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-rw-r--r--drivers/acpi/battery.c2
-rw-r--r--drivers/acpi/sbs.c2
-rw-r--r--drivers/acpi/sleep/proc.c18
-rw-r--r--drivers/acpi/system.c1
-rw-r--r--drivers/base/memory.c4
-rw-r--r--drivers/base/node.c69
-rw-r--r--drivers/block/aoe/aoeblk.c2
-rw-r--r--drivers/block/nbd.c2
-rw-r--r--drivers/char/agp/ali-agp.c2
-rw-r--r--drivers/char/agp/amd64-agp.c2
-rw-r--r--drivers/char/agp/ati-agp.c2
-rw-r--r--drivers/char/agp/backend.c2
-rw-r--r--drivers/char/agp/intel-agp.c2
-rw-r--r--drivers/char/agp/nvidia-agp.c2
-rw-r--r--drivers/char/agp/parisc-agp.c4
-rw-r--r--drivers/char/agp/via-agp.c2
-rw-r--r--drivers/char/ds1286.c34
-rw-r--r--drivers/char/ds1302.c24
-rw-r--r--drivers/char/epca.c6
-rw-r--r--drivers/char/hpet.c2
-rw-r--r--drivers/char/ip27-rtc.c24
-rw-r--r--drivers/char/pc8736x_gpio.c11
-rw-r--r--drivers/char/random.c36
-rw-r--r--drivers/char/rtc.c40
-rw-r--r--drivers/char/sx.c6
-rw-r--r--drivers/char/sysrq.c2
-rw-r--r--drivers/char/tpm/tpm.c2
-rw-r--r--drivers/char/vr41xx_giu.c2
-rw-r--r--drivers/clocksource/acpi_pm.c7
-rw-r--r--drivers/dma/Kconfig10
-rw-r--r--drivers/dma/dmatest.c7
-rw-r--r--drivers/dma/fsldma.c270
-rw-r--r--drivers/dma/fsldma.h1
-rw-r--r--drivers/dma/ioat_dma.c2
-rw-r--r--drivers/edac/cell_edac.c2
-rw-r--r--drivers/firmware/iscsi_ibft.c1
-rw-r--r--drivers/gpio/gpiolib.c6
-rw-r--r--drivers/gpu/drm/Kconfig2
-rw-r--r--drivers/gpu/drm/drm_proc.c4
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c60
-rw-r--r--drivers/hwmon/applesmc.c109
-rw-r--r--drivers/hwmon/pc87360.c248
-rw-r--r--drivers/i2c/busses/i2c-amd756.c5
-rw-r--r--drivers/i2c/busses/i2c-viapro.c5
-rw-r--r--drivers/i2c/chips/at24.c1
-rw-r--r--drivers/i2c/chips/ds1682.c1
-rw-r--r--drivers/i2c/chips/menelaus.c34
-rw-r--r--drivers/ide/Kconfig88
-rw-r--r--drivers/ide/Makefile19
-rw-r--r--drivers/ide/ide-atapi.c2
-rw-r--r--drivers/ide/ide-cd.c61
-rw-r--r--drivers/ide/ide-cd_ioctl.c8
-rw-r--r--drivers/ide/ide-disk.c382
-rw-r--r--drivers/ide/ide-disk.h21
-rw-r--r--drivers/ide/ide-disk_ioctl.c4
-rw-r--r--drivers/ide/ide-disk_proc.c2
-rw-r--r--drivers/ide/ide-dma-sff.c2
-rw-r--r--drivers/ide/ide-floppy.c357
-rw-r--r--drivers/ide/ide-floppy.h41
-rw-r--r--drivers/ide/ide-floppy_ioctl.c23
-rw-r--r--drivers/ide/ide-floppy_proc.c2
-rw-r--r--drivers/ide/ide-gd.c398
-rw-r--r--drivers/ide/ide-gd.h44
-rw-r--r--drivers/ide/ide-iops.c2
-rw-r--r--drivers/ide/ide-probe.c1
-rw-r--r--drivers/ide/ide-proc.c6
-rw-r--r--drivers/ide/ide-tape.c16
-rw-r--r--drivers/ide/pci/Makefile1
-rw-r--r--drivers/ide/pci/delkin_cb.c63
-rw-r--r--drivers/ide/pci/hpt34x.c193
-rw-r--r--drivers/ide/pci/hpt366.c35
-rw-r--r--drivers/ide/pci/scc_pata.c4
-rw-r--r--drivers/ide/pci/sgiioc4.c49
-rw-r--r--drivers/infiniband/core/cm.c2
-rw-r--r--drivers/input/touchscreen/Kconfig2
-rw-r--r--drivers/input/touchscreen/hp680_ts_input.c2
-rw-r--r--drivers/leds/Kconfig2
-rw-r--r--drivers/leds/leds-hp6xx.c2
-rw-r--r--drivers/media/dvb/ttpci/av7110.c2
-rw-r--r--drivers/media/video/cx18/cx18-driver.h1
-rw-r--r--drivers/media/video/ivtv/ivtv-driver.h1
-rw-r--r--drivers/memstick/core/mspro_block.c1
-rw-r--r--drivers/mfd/Kconfig16
-rw-r--r--drivers/mfd/Makefile2
-rw-r--r--drivers/mfd/asic3.c4
-rw-r--r--drivers/mfd/da903x.c563
-rw-r--r--drivers/mfd/htc-egpio.c4
-rw-r--r--drivers/mfd/mfd-core.c15
-rw-r--r--drivers/mfd/sm501.c6
-rw-r--r--drivers/mfd/t7l66xb.c40
-rw-r--r--drivers/mfd/tc6387xb.c47
-rw-r--r--drivers/mfd/tc6393xb.c296
-rw-r--r--drivers/mfd/twl4030-core.c1193
-rw-r--r--drivers/mfd/wm8350-core.c2
-rw-r--r--drivers/misc/hp-wmi.c1
-rw-r--r--drivers/mmc/card/queue.c1
-rw-r--r--drivers/mmc/host/s3cmci.c210
-rw-r--r--drivers/mmc/host/s3cmci.h6
-rw-r--r--drivers/mtd/Kconfig5
-rw-r--r--drivers/mtd/chips/Kconfig4
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0001.c71
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0002.c52
-rw-r--r--drivers/mtd/chips/cfi_probe.c58
-rw-r--r--drivers/mtd/chips/cfi_util.c66
-rw-r--r--drivers/mtd/chips/gen_probe.c2
-rw-r--r--drivers/mtd/cmdlinepart.c1
-rw-r--r--drivers/mtd/devices/Kconfig21
-rw-r--r--drivers/mtd/devices/m25p80.c138
-rw-r--r--drivers/mtd/devices/mtd_dataflash.c214
-rw-r--r--drivers/mtd/inftlcore.c5
-rw-r--r--drivers/mtd/maps/Kconfig33
-rw-r--r--drivers/mtd/maps/Makefile4
-rw-r--r--drivers/mtd/maps/ebony.c163
-rw-r--r--drivers/mtd/maps/ocotea.c154
-rw-r--r--drivers/mtd/maps/omap-toto-flash.c133
-rw-r--r--drivers/mtd/maps/pci.c18
-rw-r--r--drivers/mtd/maps/physmap_of.c3
-rw-r--r--drivers/mtd/maps/walnut.c122
-rw-r--r--drivers/mtd/mtdchar.c4
-rw-r--r--drivers/mtd/mtdconcat.c4
-rw-r--r--drivers/mtd/mtdoops.c42
-rw-r--r--drivers/mtd/mtdpart.c4
-rw-r--r--drivers/mtd/nand/Kconfig42
-rw-r--r--drivers/mtd/nand/Makefile4
-rw-r--r--drivers/mtd/nand/atmel_nand.c58
-rw-r--r--drivers/mtd/nand/cs553x_nand.c2
-rw-r--r--drivers/mtd/nand/fsl_elbc_nand.c3
-rw-r--r--drivers/mtd/nand/fsl_upm.c68
-rw-r--r--drivers/mtd/nand/gpio.c375
-rw-r--r--drivers/mtd/nand/mxc_nand.c1077
-rw-r--r--drivers/mtd/nand/nand_base.c16
-rw-r--r--drivers/mtd/nand/nand_ecc.c554
-rw-r--r--drivers/mtd/nand/nandsim.c1
-rw-r--r--drivers/mtd/nand/pxa3xx_nand.c147
-rw-r--r--drivers/mtd/nand/sh_flctl.c878
-rw-r--r--drivers/mtd/nand/toto.c206
-rw-r--r--drivers/mtd/ofpart.c1
-rw-r--r--drivers/mtd/onenand/Kconfig8
-rw-r--r--drivers/mtd/onenand/Makefile1
-rw-r--r--drivers/mtd/onenand/omap2.c802
-rw-r--r--drivers/mtd/onenand/onenand_base.c2
-rw-r--r--drivers/mtd/ssfdc.c3
-rw-r--r--drivers/mtd/ubi/cdev.c6
-rw-r--r--drivers/mtd/ubi/scan.c2
-rw-r--r--drivers/mtd/ubi/vtbl.c4
-rw-r--r--drivers/net/3c59x.c4
-rw-r--r--drivers/net/hamradio/baycom_ser_fdx.c4
-rw-r--r--drivers/net/hamradio/scc.c6
-rw-r--r--drivers/net/sh_eth.c5
-rw-r--r--drivers/net/usb/pegasus.c4
-rw-r--r--drivers/net/wan/sbni.c2
-rw-r--r--drivers/parisc/ccio-dma.c43
-rw-r--r--drivers/parisc/dino.c6
-rw-r--r--drivers/parisc/eisa.c4
-rw-r--r--drivers/parisc/gsc.c12
-rw-r--r--drivers/parisc/iosapic.c4
-rw-r--r--drivers/parisc/superio.c4
-rw-r--r--drivers/pci/bus.c7
-rw-r--r--drivers/pci/dmar.c61
-rw-r--r--drivers/pci/hotplug/ibmphp_ebda.c92
-rw-r--r--drivers/pci/hotplug/pci_hotplug_core.c14
-rw-r--r--drivers/pci/hotplug/pciehp.h16
-rw-r--r--drivers/pci/hotplug/pciehp_core.c78
-rw-r--r--drivers/pci/hotplug/pciehp_ctrl.c136
-rw-r--r--drivers/pci/hotplug/pciehp_hpc.c202
-rw-r--r--drivers/pci/hotplug/pciehp_pci.c26
-rw-r--r--drivers/pci/hotplug/rpaphp.h4
-rw-r--r--drivers/pci/hotplug/rpaphp_core.c4
-rw-r--r--drivers/pci/hotplug/rpaphp_pci.c2
-rw-r--r--drivers/pci/htirq.c3
-rw-r--r--drivers/pci/intel-iommu.c4
-rw-r--r--drivers/pci/intr_remapping.c139
-rw-r--r--drivers/pci/msi.c10
-rw-r--r--drivers/pci/pci-driver.c21
-rw-r--r--drivers/pci/pci-sysfs.c241
-rw-r--r--drivers/pci/pci.c96
-rw-r--r--drivers/pci/pci.h26
-rw-r--r--drivers/pci/pcie/aer/aerdrv.c6
-rw-r--r--drivers/pci/pcie/aer/aerdrv_core.c47
-rw-r--r--drivers/pci/pcie/aspm.c6
-rw-r--r--drivers/pci/pcie/portdrv.h1
-rw-r--r--drivers/pci/pcie/portdrv_core.c23
-rw-r--r--drivers/pci/pcie/portdrv_pci.c2
-rw-r--r--drivers/pci/probe.c135
-rw-r--r--drivers/pci/quirks.c173
-rw-r--r--drivers/pci/remove.c11
-rw-r--r--drivers/pci/rom.c6
-rw-r--r--drivers/pci/setup-bus.c17
-rw-r--r--drivers/pci/setup-res.c42
-rw-r--r--drivers/pci/slot.c10
-rw-r--r--drivers/pcmcia/at91_cf.c2
-rw-r--r--drivers/pcmcia/hd64465_ss.c12
-rw-r--r--drivers/pcmcia/vrc4171_card.c2
-rw-r--r--drivers/power/Kconfig8
-rw-r--r--drivers/power/Makefile3
-rw-r--r--drivers/power/bq27x00_battery.c381
-rw-r--r--drivers/power/pda_power.c11
-rw-r--r--drivers/power/power_supply_core.c25
-rw-r--r--drivers/power/power_supply_sysfs.c2
-rw-r--r--drivers/ps3/ps3av.c16
-rw-r--r--drivers/ps3/ps3av_cmd.c19
-rw-r--r--drivers/rtc/Kconfig8
-rw-r--r--drivers/rtc/Makefile1
-rw-r--r--drivers/rtc/rtc-at91rm9200.c42
-rw-r--r--drivers/rtc/rtc-bq4802.c30
-rw-r--r--drivers/rtc/rtc-cmos.c91
-rw-r--r--drivers/rtc/rtc-ds1216.c26
-rw-r--r--drivers/rtc/rtc-ds1302.c30
-rw-r--r--drivers/rtc/rtc-ds1305.c39
-rw-r--r--drivers/rtc/rtc-ds1307.c41
-rw-r--r--drivers/rtc/rtc-ds1511.c43
-rw-r--r--drivers/rtc/rtc-ds1553.c38
-rw-r--r--drivers/rtc/rtc-ds1742.c30
-rw-r--r--drivers/rtc/rtc-fm3130.c56
-rw-r--r--drivers/rtc/rtc-isl1208.c42
-rw-r--r--drivers/rtc/rtc-m41t80.c44
-rw-r--r--drivers/rtc/rtc-m41t94.c28
-rw-r--r--drivers/rtc/rtc-m48t59.c49
-rw-r--r--drivers/rtc/rtc-m48t86.c28
-rw-r--r--drivers/rtc/rtc-max6900.c32
-rw-r--r--drivers/rtc/rtc-max6902.c32
-rw-r--r--drivers/rtc/rtc-omap.c24
-rw-r--r--drivers/rtc/rtc-parisc.c111
-rw-r--r--drivers/rtc/rtc-pcf8563.c24
-rw-r--r--drivers/rtc/rtc-pcf8583.c20
-rw-r--r--drivers/rtc/rtc-r9701.c24
-rw-r--r--drivers/rtc/rtc-rs5c313.c28
-rw-r--r--drivers/rtc/rtc-rs5c348.c30
-rw-r--r--drivers/rtc/rtc-rs5c372.c42
-rw-r--r--drivers/rtc/rtc-s35390a.c34
-rw-r--r--drivers/rtc/rtc-s3c.c42
-rw-r--r--drivers/rtc/rtc-sh.c61
-rw-r--r--drivers/rtc/rtc-stk17ta8.c39
-rw-r--r--drivers/rtc/rtc-v3020.c28
-rw-r--r--drivers/rtc/rtc-vr41xx.c4
-rw-r--r--drivers/rtc/rtc-x1205.c30
-rw-r--r--drivers/scsi/aha152x.c2
-rw-r--r--drivers/scsi/arcmsr/arcmsr_attr.c3
-rw-r--r--drivers/scsi/ide-scsi.c26
-rw-r--r--drivers/scsi/ipr.c1
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h2
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c5
-rw-r--r--drivers/scsi/sr_vendor.c12
-rw-r--r--drivers/serial/68328serial.c11
-rw-r--r--drivers/serial/8250.c69
-rw-r--r--drivers/serial/8250_gsc.c2
-rw-r--r--drivers/serial/amba-pl010.c2
-rw-r--r--drivers/serial/amba-pl011.c2
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_core.c2
-rw-r--r--drivers/serial/m32r_sio.c4
-rw-r--r--drivers/serial/serial_core.c2
-rw-r--r--drivers/serial/serial_lh7a40x.c2
-rw-r--r--drivers/serial/serial_txx9.c2
-rw-r--r--drivers/serial/sh-sci.c92
-rw-r--r--drivers/serial/sh-sci.h23
-rw-r--r--drivers/serial/sn_console.c2
-rw-r--r--drivers/serial/ucc_uart.c2
-rw-r--r--drivers/sh/Makefile2
-rw-r--r--drivers/sh/intc.c713
-rw-r--r--drivers/staging/go7007/Kconfig2
-rw-r--r--drivers/staging/sxg/Kconfig1
-rw-r--r--drivers/telephony/phonedev.c2
-rw-r--r--drivers/uio/uio.c14
-rw-r--r--drivers/usb/host/ehci-hcd.c2
-rw-r--r--drivers/video/backlight/hp680_bl.c2
-rw-r--r--drivers/video/fbmem.c174
-rw-r--r--drivers/video/imacfb.c0
-rw-r--r--drivers/video/sh_mobile_lcdcfb.c14
-rw-r--r--drivers/w1/slaves/w1_ds2760.c1
-rw-r--r--drivers/watchdog/ib700wdt.c2
-rw-r--r--drivers/xen/events.c18
271 files changed, 11158 insertions, 4476 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index b1c723f9f58..70f7f60929c 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -431,7 +431,7 @@ static ssize_t acpi_battery_alarm_store(struct device *dev,
}
static struct device_attribute alarm_attr = {
- .attr = {.name = "alarm", .mode = 0644, .owner = THIS_MODULE},
+ .attr = {.name = "alarm", .mode = 0644},
.show = acpi_battery_alarm_show,
.store = acpi_battery_alarm_store,
};
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 10a36512647..7b011e7e29f 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -463,7 +463,7 @@ static ssize_t acpi_battery_alarm_store(struct device *dev,
}
static struct device_attribute alarm_attr = {
- .attr = {.name = "alarm", .mode = 0644, .owner = THIS_MODULE},
+ .attr = {.name = "alarm", .mode = 0644},
.show = acpi_battery_alarm_show,
.store = acpi_battery_alarm_store,
};
diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c
index bf5b04de02d..631ee2ee2ca 100644
--- a/drivers/acpi/sleep/proc.c
+++ b/drivers/acpi/sleep/proc.c
@@ -120,13 +120,13 @@ static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset)
spin_unlock_irqrestore(&rtc_lock, flags);
if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
- BCD_TO_BIN(sec);
- BCD_TO_BIN(min);
- BCD_TO_BIN(hr);
- BCD_TO_BIN(day);
- BCD_TO_BIN(mo);
- BCD_TO_BIN(yr);
- BCD_TO_BIN(cent);
+ sec = bcd2bin(sec);
+ min = bcd2bin(min);
+ hr = bcd2bin(hr);
+ day = bcd2bin(day);
+ mo = bcd2bin(mo);
+ yr = bcd2bin(yr);
+ cent = bcd2bin(cent);
}
/* we're trusting the FADT (see above) */
@@ -204,7 +204,7 @@ static u32 cmos_bcd_read(int offset, int rtc_control)
{
u32 val = CMOS_READ(offset);
if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
- BCD_TO_BIN(val);
+ val = bcd2bin(val);
return val;
}
@@ -212,7 +212,7 @@ static u32 cmos_bcd_read(int offset, int rtc_control)
static void cmos_bcd_write(u32 val, int offset, int rtc_control)
{
if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
- BIN_TO_BCD(val);
+ val = bin2bcd(val);
CMOS_WRITE(val, offset);
}
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 91dec448b3e..24e80fd927e 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -115,7 +115,6 @@ static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
table_attr->attr.read = acpi_table_show;
table_attr->attr.attr.name = table_attr->name;
table_attr->attr.attr.mode = 0444;
- table_attr->attr.attr.owner = THIS_MODULE;
return;
}
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index af0d175c025..5260e9e0df4 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -21,6 +21,8 @@
#include <linux/memory_hotplug.h>
#include <linux/mm.h>
#include <linux/mutex.h>
+#include <linux/stat.h>
+
#include <asm/atomic.h>
#include <asm/uaccess.h>
@@ -325,7 +327,7 @@ memory_probe_store(struct class *class, const char *buf, size_t count)
return count;
}
-static CLASS_ATTR(probe, 0700, NULL, memory_probe_store);
+static CLASS_ATTR(probe, S_IWUSR, NULL, memory_probe_store);
static int memory_probe_init(void)
{
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 5116b78c632..f5207090885 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -13,6 +13,7 @@
#include <linux/nodemask.h>
#include <linux/cpu.h>
#include <linux/device.h>
+#include <linux/swap.h>
static struct sysdev_class node_class = {
.name = "node",
@@ -61,34 +62,52 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
si_meminfo_node(&i, nid);
n = sprintf(buf, "\n"
- "Node %d MemTotal: %8lu kB\n"
- "Node %d MemFree: %8lu kB\n"
- "Node %d MemUsed: %8lu kB\n"
- "Node %d Active: %8lu kB\n"
- "Node %d Inactive: %8lu kB\n"
+ "Node %d MemTotal: %8lu kB\n"
+ "Node %d MemFree: %8lu kB\n"
+ "Node %d MemUsed: %8lu kB\n"
+ "Node %d Active: %8lu kB\n"
+ "Node %d Inactive: %8lu kB\n"
+ "Node %d Active(anon): %8lu kB\n"
+ "Node %d Inactive(anon): %8lu kB\n"
+ "Node %d Active(file): %8lu kB\n"
+ "Node %d Inactive(file): %8lu kB\n"
+#ifdef CONFIG_UNEVICTABLE_LRU
+ "Node %d Unevictable: %8lu kB\n"
+ "Node %d Mlocked: %8lu kB\n"
+#endif
#ifdef CONFIG_HIGHMEM
- "Node %d HighTotal: %8lu kB\n"
- "Node %d HighFree: %8lu kB\n"
- "Node %d LowTotal: %8lu kB\n"
- "Node %d LowFree: %8lu kB\n"
+ "Node %d HighTotal: %8lu kB\n"
+ "Node %d HighFree: %8lu kB\n"
+ "Node %d LowTotal: %8lu kB\n"
+ "Node %d LowFree: %8lu kB\n"
#endif
- "Node %d Dirty: %8lu kB\n"
- "Node %d Writeback: %8lu kB\n"
- "Node %d FilePages: %8lu kB\n"
- "Node %d Mapped: %8lu kB\n"
- "Node %d AnonPages: %8lu kB\n"
- "Node %d PageTables: %8lu kB\n"
- "Node %d NFS_Unstable: %8lu kB\n"
- "Node %d Bounce: %8lu kB\n"
- "Node %d WritebackTmp: %8lu kB\n"
- "Node %d Slab: %8lu kB\n"
- "Node %d SReclaimable: %8lu kB\n"
- "Node %d SUnreclaim: %8lu kB\n",
+ "Node %d Dirty: %8lu kB\n"
+ "Node %d Writeback: %8lu kB\n"
+ "Node %d FilePages: %8lu kB\n"
+ "Node %d Mapped: %8lu kB\n"
+ "Node %d AnonPages: %8lu kB\n"
+ "Node %d PageTables: %8lu kB\n"
+ "Node %d NFS_Unstable: %8lu kB\n"
+ "Node %d Bounce: %8lu kB\n"
+ "Node %d WritebackTmp: %8lu kB\n"
+ "Node %d Slab: %8lu kB\n"
+ "Node %d SReclaimable: %8lu kB\n"
+ "Node %d SUnreclaim: %8lu kB\n",
nid, K(i.totalram),
nid, K(i.freeram),
nid, K(i.totalram - i.freeram),
- nid, K(node_page_state(nid, NR_ACTIVE)),
- nid, K(node_page_state(nid, NR_INACTIVE)),
+ nid, K(node_page_state(nid, NR_ACTIVE_ANON) +
+ node_page_state(nid, NR_ACTIVE_FILE)),
+ nid, K(node_page_state(nid, NR_INACTIVE_ANON) +
+ node_page_state(nid, NR_INACTIVE_FILE)),
+ nid, K(node_page_state(nid, NR_ACTIVE_ANON)),
+ nid, K(node_page_state(nid, NR_INACTIVE_ANON)),
+ nid, K(node_page_state(nid, NR_ACTIVE_FILE)),
+ nid, K(node_page_state(nid, NR_INACTIVE_FILE)),
+#ifdef CONFIG_UNEVICTABLE_LRU
+ nid, K(node_page_state(nid, NR_UNEVICTABLE)),
+ nid, K(node_page_state(nid, NR_MLOCK)),
+#endif
#ifdef CONFIG_HIGHMEM
nid, K(i.totalhigh),
nid, K(i.freehigh),
@@ -173,6 +192,8 @@ int register_node(struct node *node, int num, struct node *parent)
sysdev_create_file(&node->sysdev, &attr_meminfo);
sysdev_create_file(&node->sysdev, &attr_numastat);
sysdev_create_file(&node->sysdev, &attr_distance);
+
+ scan_unevictable_register_node(node);
}
return error;
}
@@ -192,6 +213,8 @@ void unregister_node(struct node *node)
sysdev_remove_file(&node->sysdev, &attr_numastat);
sysdev_remove_file(&node->sysdev, &attr_distance);
+ scan_unevictable_unregister_node(node);
+
sysdev_unregister(&node->sysdev);
}
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index b82654e883a..d876ad86123 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -90,7 +90,7 @@ static DEVICE_ATTR(state, S_IRUGO, aoedisk_show_state, NULL);
static DEVICE_ATTR(mac, S_IRUGO, aoedisk_show_mac, NULL);
static DEVICE_ATTR(netif, S_IRUGO, aoedisk_show_netif, NULL);
static struct device_attribute dev_attr_firmware_version = {
- .attr = { .name = "firmware-version", .mode = S_IRUGO, .owner = THIS_MODULE },
+ .attr = { .name = "firmware-version", .mode = S_IRUGO },
.show = aoedisk_show_fwver,
};
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 7b3351260d5..9034ca585af 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -391,7 +391,7 @@ static ssize_t pid_show(struct device *dev,
}
static struct device_attribute pid_attr = {
- .attr = { .name = "pid", .mode = S_IRUGO, .owner = THIS_MODULE },
+ .attr = { .name = "pid", .mode = S_IRUGO},
.show = pid_show,
};
diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c
index 31dcd9142d5..dc8d1a90971 100644
--- a/drivers/char/agp/ali-agp.c
+++ b/drivers/char/agp/ali-agp.c
@@ -417,6 +417,6 @@ static void __exit agp_ali_cleanup(void)
module_init(agp_ali_init);
module_exit(agp_ali_cleanup);
-MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
+MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 2812ee2b165..52f4361eb6e 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -772,6 +772,6 @@ module_init(agp_amd64_init);
module_exit(agp_amd64_cleanup);
#endif
-MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>, Andi Kleen");
+MODULE_AUTHOR("Dave Jones <davej@redhat.com>, Andi Kleen");
module_param(agp_try_unsupported, bool, 0);
MODULE_LICENSE("GPL");
diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index ae2791b926b..f1537eece07 100644
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -561,6 +561,6 @@ static void __exit agp_ati_cleanup(void)
module_init(agp_ati_init);
module_exit(agp_ati_cleanup);
-MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
+MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c
index 3a3cc03d401..8c617ad7497 100644
--- a/drivers/char/agp/backend.c
+++ b/drivers/char/agp/backend.c
@@ -349,7 +349,7 @@ static __init int agp_setup(char *s)
__setup("agp=", agp_setup);
#endif
-MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
+MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
MODULE_DESCRIPTION("AGP GART driver");
MODULE_LICENSE("GPL and additional rights");
MODULE_ALIAS_MISCDEV(AGPGART_MINOR);
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 1108665913e..9cf6e9bb017 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -2390,5 +2390,5 @@ static void __exit agp_intel_cleanup(void)
module_init(agp_intel_init);
module_exit(agp_intel_cleanup);
-MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
+MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 5bbed3d79db..16acee2de11 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -1,7 +1,7 @@
/*
* Nvidia AGPGART routines.
* Based upon a 2.4 agpgart diff by the folks from NVIDIA, and hacked up
- * to work in 2.5 by Dave Jones <davej@codemonkey.org.uk>
+ * to work in 2.5 by Dave Jones <davej@redhat.com>
*/
#include <linux/module.h>
diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c
index f2492ecf082..db60539bf67 100644
--- a/drivers/char/agp/parisc-agp.c
+++ b/drivers/char/agp/parisc-agp.c
@@ -20,8 +20,8 @@
#include <linux/agp_backend.h>
#include <linux/log2.h>
-#include <asm-parisc/parisc-device.h>
-#include <asm-parisc/ropes.h>
+#include <asm/parisc-device.h>
+#include <asm/ropes.h>
#include "agp.h"
diff --git a/drivers/char/agp/via-agp.c b/drivers/char/agp/via-agp.c
index 9f4d49e1b59..d3bd243867f 100644
--- a/drivers/char/agp/via-agp.c
+++ b/drivers/char/agp/via-agp.c
@@ -595,4 +595,4 @@ module_init(agp_via_init);
module_exit(agp_via_cleanup);
MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
+MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
diff --git a/drivers/char/ds1286.c b/drivers/char/ds1286.c
index 5329d482b58..0a826d7be10 100644
--- a/drivers/char/ds1286.c
+++ b/drivers/char/ds1286.c
@@ -210,8 +210,8 @@ static int ds1286_ioctl(struct inode *inode, struct file *file,
if (sec != 0)
return -EINVAL;
- min = BIN2BCD(min);
- min = BIN2BCD(hrs);
+ min = bin2bcd(min);
+ min = bin2bcd(hrs);
spin_lock(&ds1286_lock);
rtc_write(hrs, RTC_HOURS_ALARM);
@@ -353,7 +353,7 @@ static int ds1286_proc_output(char *buf)
ds1286_get_time(&tm);
hundredth = rtc_read(RTC_HUNDREDTH_SECOND);
- BCD_TO_BIN(hundredth);
+ hundredth = bcd2bin(hundredth);
p += sprintf(p,
"rtc_time\t: %02d:%02d:%02d.%02d\n"
@@ -477,12 +477,12 @@ static void ds1286_get_time(struct rtc_time *rtc_tm)
rtc_write(save_control, RTC_CMD);
spin_unlock_irqrestore(&ds1286_lock, flags);
- BCD_TO_BIN(rtc_tm->tm_sec);
- BCD_TO_BIN(rtc_tm->tm_min);
- BCD_TO_BIN(rtc_tm->tm_hour);
- BCD_TO_BIN(rtc_tm->tm_mday);
- BCD_TO_BIN(rtc_tm->tm_mon);
- BCD_TO_BIN(rtc_tm->tm_year);
+ rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
+ rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min);
+ rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour);
+ rtc_tm->tm_mday = bcd2bin(rtc_tm->tm_mday);
+ rtc_tm->tm_mon = bcd2bin(rtc_tm->tm_mon);
+ rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year);
/*
* Account for differences between how the RTC uses the values
@@ -531,12 +531,12 @@ static int ds1286_set_time(struct rtc_time *rtc_tm)
if (yrs >= 100)
yrs -= 100;
- BIN_TO_BCD(sec);
- BIN_TO_BCD(min);
- BIN_TO_BCD(hrs);
- BIN_TO_BCD(day);
- BIN_TO_BCD(mon);
- BIN_TO_BCD(yrs);
+ sec = bin2bcd(sec);
+ min = bin2bcd(min);
+ hrs = bin2bcd(hrs);
+ day = bin2bcd(day);
+ mon = bin2bcd(mon);
+ yrs = bin2bcd(yrs);
spin_lock_irqsave(&ds1286_lock, flags);
save_control = rtc_read(RTC_CMD);
@@ -572,8 +572,8 @@ static void ds1286_get_alm_time(struct rtc_time *alm_tm)
cmd = rtc_read(RTC_CMD);
spin_unlock_irqrestore(&ds1286_lock, flags);
- BCD_TO_BIN(alm_tm->tm_min);
- BCD_TO_BIN(alm_tm->tm_hour);
+ alm_tm->tm_min = bcd2bin(alm_tm->tm_min);
+ alm_tm->tm_hour = bcd2bin(alm_tm->tm_hour);
alm_tm->tm_sec = 0;
}
diff --git a/drivers/char/ds1302.c b/drivers/char/ds1302.c
index c5e67a62395..170693c93c7 100644
--- a/drivers/char/ds1302.c
+++ b/drivers/char/ds1302.c
@@ -131,12 +131,12 @@ get_rtc_time(struct rtc_time *rtc_tm)
local_irq_restore(flags);
- BCD_TO_BIN(rtc_tm->tm_sec);
- BCD_TO_BIN(rtc_tm->tm_min);
- BCD_TO_BIN(rtc_tm->tm_hour);
- BCD_TO_BIN(rtc_tm->tm_mday);
- BCD_TO_BIN(rtc_tm->tm_mon);
- BCD_TO_BIN(rtc_tm->tm_year);
+ rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
+ rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min);
+ rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour);
+ rtc_tm->tm_mday = bcd2bin(rtc_tm->tm_mday);
+ rtc_tm->tm_mon = bcd2bin(rtc_tm->tm_mon);
+ rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year);
/*
* Account for differences between how the RTC uses the values
@@ -211,12 +211,12 @@ static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
else
yrs -= 1900; /* RTC (70, 71, ... 99) */
- BIN_TO_BCD(sec);
- BIN_TO_BCD(min);
- BIN_TO_BCD(hrs);
- BIN_TO_BCD(day);
- BIN_TO_BCD(mon);
- BIN_TO_BCD(yrs);
+ sec = bin2bcd(sec);
+ min = bin2bcd(min);
+ hrs = bin2bcd(hrs);
+ day = bin2bcd(day);
+ mon = bin2bcd(mon);
+ yrs = bin2bcd(yrs);
lock_kernel();
local_irq_save(flags);
diff --git a/drivers/char/epca.c b/drivers/char/epca.c
index 4998b2761e8..cf2461d34e5 100644
--- a/drivers/char/epca.c
+++ b/drivers/char/epca.c
@@ -2477,7 +2477,11 @@ static int pc_send_break(struct tty_struct *tty, int msec)
unsigned long flags;
if (msec == -1)
- return -EOPNOTSUPP;
+ msec = 0xFFFF;
+ else if (msec > 0xFFFE)
+ msec = 0xFFFE;
+ else if (msec < 1)
+ msec = 1;
spin_lock_irqsave(&epca_lock, flags);
globalwinon(ch);
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index f3cfb4c7612..408f5f92cb4 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -219,7 +219,7 @@ static void hpet_timer_set_irq(struct hpet_dev *devp)
for (irq = find_first_bit(&v, HPET_MAX_IRQ); irq < HPET_MAX_IRQ;
irq = find_next_bit(&v, HPET_MAX_IRQ, 1 + irq)) {
- if (irq >= NR_IRQS) {
+ if (irq >= nr_irqs) {
irq = HPET_MAX_IRQ;
break;
}
diff --git a/drivers/char/ip27-rtc.c b/drivers/char/ip27-rtc.c
index ec9d0443d92..2abd881b4cb 100644
--- a/drivers/char/ip27-rtc.c
+++ b/drivers/char/ip27-rtc.c
@@ -130,12 +130,12 @@ static long rtc_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
if (yrs >= 100)
yrs -= 100;
- sec = BIN2BCD(sec);
- min = BIN2BCD(min);
- hrs = BIN2BCD(hrs);
- day = BIN2BCD(day);
- mon = BIN2BCD(mon);
- yrs = BIN2BCD(yrs);
+ sec = bin2bcd(sec);
+ min = bin2bcd(min);
+ hrs = bin2bcd(hrs);
+ day = bin2bcd(day);
+ mon = bin2bcd(mon);
+ yrs = bin2bcd(yrs);
spin_lock_irq(&rtc_lock);
rtc->control |= M48T35_RTC_SET;
@@ -311,12 +311,12 @@ static void get_rtc_time(struct rtc_time *rtc_tm)
rtc->control &= ~M48T35_RTC_READ;
spin_unlock_irq(&rtc_lock);
- rtc_tm->tm_sec = BCD2BIN(rtc_tm->tm_sec);
- rtc_tm->tm_min = BCD2BIN(rtc_tm->tm_min);
- rtc_tm->tm_hour = BCD2BIN(rtc_tm->tm_hour);
- rtc_tm->tm_mday = BCD2BIN(rtc_tm->tm_mday);
- rtc_tm->tm_mon = BCD2BIN(rtc_tm->tm_mon);
- rtc_tm->tm_year = BCD2BIN(rtc_tm->tm_year);
+ rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
+ rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min);
+ rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour);
+ rtc_tm->tm_mday = bcd2bin(rtc_tm->tm_mday);
+ rtc_tm->tm_mon = bcd2bin(rtc_tm->tm_mon);
+ rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year);
/*
* Account for differences between how the RTC uses the values
diff --git a/drivers/char/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index b930de50407..3f7da8cf3a8 100644
--- a/drivers/char/pc8736x_gpio.c
+++ b/drivers/char/pc8736x_gpio.c
@@ -41,7 +41,8 @@ static u8 pc8736x_gpio_shadow[4];
#define SIO_BASE2 0x4E /* alt command-reg to check */
#define SIO_SID 0x20 /* SuperI/O ID Register */
-#define SIO_SID_VALUE 0xe9 /* Expected value in SuperI/O ID Register */
+#define SIO_SID_PC87365 0xe5 /* Expected value in ID Register for PC87365 */
+#define SIO_SID_PC87366 0xe9 /* Expected value in ID Register for PC87366 */
#define SIO_CF1 0x21 /* chip config, bit0 is chip enable */
@@ -91,13 +92,17 @@ static inline int superio_inb(int addr)
static int pc8736x_superio_present(void)
{
+ int id;
+
/* try the 2 possible values, read a hardware reg to verify */
superio_cmd = SIO_BASE1;
- if (superio_inb(SIO_SID) == SIO_SID_VALUE)
+ id = superio_inb(SIO_SID);
+ if (id == SIO_SID_PC87365 || id == SIO_SID_PC87366)
return superio_cmd;
superio_cmd = SIO_BASE2;
- if (superio_inb(SIO_SID) == SIO_SID_VALUE)
+ id = superio_inb(SIO_SID);
+ if (id == SIO_SID_PC87365 || id == SIO_SID_PC87366)
return superio_cmd;
return 0;
diff --git a/drivers/char/random.c b/drivers/char/random.c
index c8752eaad48..705a839f179 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -558,9 +558,26 @@ struct timer_rand_state {
unsigned dont_count_entropy:1;
};
-static struct timer_rand_state input_timer_state;
static struct timer_rand_state *irq_timer_state[NR_IRQS];
+static struct timer_rand_state *get_timer_rand_state(unsigned int irq)
+{
+ if (irq >= nr_irqs)
+ return NULL;
+
+ return irq_timer_state[irq];
+}
+
+static void set_timer_rand_state(unsigned int irq, struct timer_rand_state *state)
+{
+ if (irq >= nr_irqs)
+ return;
+
+ irq_timer_state[irq] = state;
+}
+
+static struct timer_rand_state input_timer_state;
+
/*
* This function adds entropy to the entropy "pool" by using timing
* delays. It uses the timer_rand_state structure to make an estimate
@@ -648,11 +665,15 @@ EXPORT_SYMBOL_GPL(add_input_randomness);
void add_interrupt_randomness(int irq)
{
- if (irq >= NR_IRQS || irq_timer_state[irq] == NULL)
+ struct timer_rand_state *state;
+
+ state = get_timer_rand_state(irq);
+
+ if (state == NULL)
return;
DEBUG_ENT("irq event %d\n", irq);
- add_timer_randomness(irq_timer_state[irq], 0x100 + irq);
+ add_timer_randomness(state, 0x100 + irq);
}
#ifdef CONFIG_BLOCK
@@ -912,7 +933,12 @@ void rand_initialize_irq(int irq)
{
struct timer_rand_state *state;
- if (irq >= NR_IRQS || irq_timer_state[irq])
+ if (irq >= nr_irqs)
+ return;
+
+ state = get_timer_rand_state(irq);
+
+ if (state)
return;
/*
@@ -921,7 +947,7 @@ void rand_initialize_irq(int irq)
*/
state = kzalloc(sizeof(struct timer_rand_state), GFP_KERNEL);
if (state)
- irq_timer_state[irq] = state;
+ set_timer_rand_state(irq, state);
}
#ifdef CONFIG_BLOCK
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index 17683de9571..32dc89720d5 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -518,17 +518,17 @@ static int rtc_do_ioctl(unsigned int cmd, unsigned long arg, int kernel)
if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) ||
RTC_ALWAYS_BCD) {
if (sec < 60)
- BIN_TO_BCD(sec);
+ sec = bin2bcd(sec);
else
sec = 0xff;
if (min < 60)
- BIN_TO_BCD(min);
+ min = bin2bcd(min);
else
min = 0xff;
if (hrs < 24)
- BIN_TO_BCD(hrs);
+ hrs = bin2bcd(hrs);
else
hrs = 0xff;
}
@@ -614,12 +614,12 @@ static int rtc_do_ioctl(unsigned int cmd, unsigned long arg, int kernel)
if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY)
|| RTC_ALWAYS_BCD) {
- BIN_TO_BCD(sec);
- BIN_TO_BCD(min);
- BIN_TO_BCD(hrs);
- BIN_TO_BCD(day);
- BIN_TO_BCD(mon);
- BIN_TO_BCD(yrs);
+ sec = bin2bcd(sec);
+ min = bin2bcd(min);
+ hrs = bin2bcd(hrs);
+ day = bin2bcd(day);
+ mon = bin2bcd(mon);
+ yrs = bin2bcd(yrs);
}
save_control = CMOS_READ(RTC_CONTROL);
@@ -1099,7 +1099,7 @@ no_irq:
spin_unlock_irq(&rtc_lock);
if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
- BCD_TO_BIN(year); /* This should never happen... */
+ year = bcd2bin(year); /* This should never happen... */
if (year < 20) {
epoch = 2000;
@@ -1352,13 +1352,13 @@ static void rtc_get_rtc_time(struct rtc_time *rtc_tm)
spin_unlock_irqrestore(&rtc_lock, flags);
if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
- BCD_TO_BIN(rtc_tm->tm_sec);
- BCD_TO_BIN(rtc_tm->tm_min);
- BCD_TO_BIN(rtc_tm->tm_hour);
- BCD_TO_BIN(rtc_tm->tm_mday);
- BCD_TO_BIN(rtc_tm->tm_mon);
- BCD_TO_BIN(rtc_tm->tm_year);
- BCD_TO_BIN(rtc_tm->tm_wday);
+ rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
+ rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min);
+ rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour);
+ rtc_tm->tm_mday = bcd2bin(rtc_tm->tm_mday);
+ rtc_tm->tm_mon = bcd2bin(rtc_tm->tm_mon);
+ rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year);
+ rtc_tm->tm_wday = bcd2bin(rtc_tm->tm_wday);
}
#ifdef CONFIG_MACH_DECSTATION
@@ -1392,9 +1392,9 @@ static void get_rtc_alm_time(struct rtc_time *alm_tm)
spin_unlock_irq(&rtc_lock);
if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
- BCD_TO_BIN(alm_tm->tm_sec);
- BCD_TO_BIN(alm_tm->tm_min);
- BCD_TO_BIN(alm_tm->tm_hour);
+ alm_tm->tm_sec = bcd2bin(alm_tm->tm_sec);
+ alm_tm->tm_min = bcd2bin(alm_tm->tm_min);
+ alm_tm->tm_hour = bcd2bin(alm_tm->tm_hour);
}
}
diff --git a/drivers/char/sx.c b/drivers/char/sx.c
index 5b8d7a1aa3e..ba4e86281fb 100644
--- a/drivers/char/sx.c
+++ b/drivers/char/sx.c
@@ -2504,7 +2504,7 @@ static void __devexit sx_remove_card(struct sx_board *board,
del_timer(&board->timer);
if (pdev) {
#ifdef CONFIG_PCI
- pci_iounmap(pdev, board->base2);
+ iounmap(board->base2);
pci_release_region(pdev, IS_CF_BOARD(board) ? 3 : 2);
#endif
} else {
@@ -2677,7 +2677,7 @@ static int __devinit sx_pci_probe(struct pci_dev *pdev,
}
board->hw_base = pci_resource_start(pdev, reg);
board->base2 =
- board->base = pci_iomap(pdev, reg, WINDOW_LEN(board));
+ board->base = ioremap_nocache(board->hw_base, WINDOW_LEN(board));
if (!board->base) {
dev_err(&pdev->dev, "ioremap failed\n");
goto err_reg;
@@ -2703,7 +2703,7 @@ static int __devinit sx_pci_probe(struct pci_dev *pdev,
return 0;
err_unmap:
- pci_iounmap(pdev, board->base2);
+ iounmap(board->base2);
err_reg:
pci_release_region(pdev, reg);
err_flag:
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index dce4cc0e695..ce0d9da52a8 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -168,7 +168,7 @@ static void sysrq_handle_show_timers(int key, struct tty_struct *tty)
static struct sysrq_key_op sysrq_show_timers_op = {
.handler = sysrq_handle_show_timers,
.help_msg = "show-all-timers(Q)",
- .action_msg = "Show Pending Timers",
+ .action_msg = "Show clockevent devices & pending hrtimers (no others)",
};
static void sysrq_handle_mountro(int key, struct tty_struct *tty)
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index e70d13defde..9c47dc48c9f 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1157,7 +1157,7 @@ EXPORT_SYMBOL_GPL(tpm_dev_vendor_release);
* Once all references to platform device are down to 0,
* release all allocated structures.
*/
-static void tpm_dev_release(struct device *dev)
+void tpm_dev_release(struct device *dev)
{
struct tpm_chip *chip = dev_get_drvdata(dev);
diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c
index ffe9b4e3072..54c837288d1 100644
--- a/drivers/char/vr41xx_giu.c
+++ b/drivers/char/vr41xx_giu.c
@@ -641,7 +641,7 @@ static int __devinit giu_probe(struct platform_device *dev)
}
irq = platform_get_irq(dev, 0);
- if (irq < 0 || irq >= NR_IRQS)
+ if (irq < 0 || irq >= nr_irqs)
return -EBUSY;
return cascade_irq(irq, giu_get_irq);
diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c
index 71d2ac4e3f4..c20171078d1 100644
--- a/drivers/clocksource/acpi_pm.c
+++ b/drivers/clocksource/acpi_pm.c
@@ -237,9 +237,12 @@ static int __init parse_pmtmr(char *arg)
if (strict_strtoul(arg, 16, &base))
return -EINVAL;
-
+#ifdef CONFIG_X86_64
+ if (base > UINT_MAX)
+ return -ERANGE;
+#endif
printk(KERN_INFO "PMTMR IOPort override: 0x%04x -> 0x%04lx\n",
- (unsigned int)pmtmr_ioport, base);
+ pmtmr_ioport, base);
pmtmr_ioport = base;
return 1;
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index cd303901eb5..904e57558bb 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -48,13 +48,13 @@ config DW_DMAC
can be integrated in chips such as the Atmel AT32ap7000.
config FSL_DMA
- bool "Freescale MPC85xx/MPC83xx DMA support"
- depends on PPC
+ tristate "Freescale Elo and Elo Plus DMA support"
+ depends on FSL_SOC
select DMA_ENGINE
---help---
- Enable support for the Freescale DMA engine. Now, it support
- MPC8560/40, MPC8555, MPC8548 and MPC8641 processors.
- The MPC8349, MPC8360 is also supported.
+ Enable support for the Freescale Elo and Elo Plus DMA controllers.
+ The Elo is the DMA controller on some 82xx and 83xx parts, and the
+ Elo Plus is the DMA controller on 85xx and 86xx parts.
config MV_XOR
bool "Marvell XOR engine support"
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index a08d1970474..d1e381e35a9 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -325,7 +325,12 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan)
struct dmatest_thread *thread;
unsigned int i;
- dtc = kmalloc(sizeof(struct dmatest_chan), GFP_ATOMIC);
+ /* Have we already been told about this channel? */
+ list_for_each_entry(dtc, &dmatest_channels, node)
+ if (dtc->chan == chan)
+ return DMA_DUP;
+
+ dtc = kmalloc(sizeof(struct dmatest_chan), GFP_KERNEL);
if (!dtc) {
pr_warning("dmatest: No memory for %s\n", chan->dev.bus_id);
return DMA_NAK;
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index c0059ca5834..0b95dcce447 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -370,7 +370,10 @@ static int fsl_dma_alloc_chan_resources(struct dma_chan *chan,
struct dma_client *client)
{
struct fsl_dma_chan *fsl_chan = to_fsl_chan(chan);
- LIST_HEAD(tmp_list);
+
+ /* Has this channel already been allocated? */
+ if (fsl_chan->desc_pool)
+ return 1;
/* We need the descriptor to be aligned to 32bytes
* for meeting FSL DMA specification requirement.
@@ -410,6 +413,8 @@ static void fsl_dma_free_chan_resources(struct dma_chan *chan)
}
spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
dma_pool_destroy(fsl_chan->desc_pool);
+
+ fsl_chan->desc_pool = NULL;
}
static struct dma_async_tx_descriptor *
@@ -786,159 +791,29 @@ static void dma_do_tasklet(unsigned long data)
fsl_chan_ld_cleanup(fsl_chan);
}
-static void fsl_dma_callback_test(void *param)
-{
- struct fsl_dma_chan *fsl_chan = param;
- if (fsl_chan)
- dev_dbg(fsl_chan->dev, "selftest: callback is ok!\n");
-}
-
-static int fsl_dma_self_test(struct fsl_dma_chan *fsl_chan)
-{
- struct dma_chan *chan;
- int err = 0;
- dma_addr_t dma_dest, dma_src;
- dma_cookie_t cookie;
- u8 *src, *dest;
- int i;
- size_t test_size;
- struct dma_async_tx_descriptor *tx1, *tx2, *tx3;
-
- test_size = 4096;
-
- src = kmalloc(test_size * 2, GFP_KERNEL);
- if (!src) {
- dev_err(fsl_chan->dev,
- "selftest: Cannot alloc memory for test!\n");
- return -ENOMEM;
- }
-
- dest = src + test_size;
-
- for (i = 0; i < test_size; i++)
- src[i] = (u8) i;
-
- chan = &fsl_chan->common;
-
- if (fsl_dma_alloc_chan_resources(chan, NULL) < 1) {
- dev_err(fsl_chan->dev,
- "selftest: Cannot alloc resources for DMA\n");
- err = -ENODEV;
- goto out;
- }
-
- /* TX 1 */
- dma_src = dma_map_single(fsl_chan->dev, src, test_size / 2,
- DMA_TO_DEVICE);
- dma_dest = dma_map_single(fsl_chan->dev, dest, test_size / 2,
- DMA_FROM_DEVICE);
- tx1 = fsl_dma_prep_memcpy(chan, dma_dest, dma_src, test_size / 2, 0);
- async_tx_ack(tx1);
-
- cookie = fsl_dma_tx_submit(tx1);
- fsl_dma_memcpy_issue_pending(chan);
- msleep(2);
-
- if (fsl_dma_is_complete(chan, cookie, NULL, NULL) != DMA_SUCCESS) {
- dev_err(fsl_chan->dev, "selftest: Time out!\n");
- err = -ENODEV;
- goto free_resources;
- }
-
- /* Test free and re-alloc channel resources */
- fsl_dma_free_chan_resources(chan);
-
- if (fsl_dma_alloc_chan_resources(chan, NULL) < 1) {
- dev_err(fsl_chan->dev,
- "selftest: Cannot alloc resources for DMA\n");
- err = -ENODEV;
- goto free_resources;
- }
-
- /* Continue to test
- * TX 2
- */
- dma_src = dma_map_single(fsl_chan->dev, src + test_size / 2,
- test_size / 4, DMA_TO_DEVICE);
- dma_dest = dma_map_single(fsl_chan->dev, dest + test_size / 2,
- test_size / 4, DMA_FROM_DEVICE);
- tx2 = fsl_dma_prep_memcpy(chan, dma_dest, dma_src, test_size / 4, 0);
- async_tx_ack(tx2);
-
- /* TX 3 */
- dma_src = dma_map_single(fsl_chan->dev, src + test_size * 3 / 4,
- test_size / 4, DMA_TO_DEVICE);
- dma_dest = dma_map_single(fsl_chan->dev, dest + test_size * 3 / 4,
- test_size / 4, DMA_FROM_DEVICE);
- tx3 = fsl_dma_prep_memcpy(chan, dma_dest, dma_src, test_size / 4, 0);
- async_tx_ack(tx3);
-
- /* Interrupt tx test */
- tx1 = fsl_dma_prep_interrupt(chan, 0);
- async_tx_ack(tx1);
- cookie = fsl_dma_tx_submit(tx1);
-
- /* Test exchanging the prepared tx sort */
- cookie = fsl_dma_tx_submit(tx3);
- cookie = fsl_dma_tx_submit(tx2);
-
- if (dma_has_cap(DMA_INTERRUPT, ((struct fsl_dma_device *)
- dev_get_drvdata(fsl_chan->dev->parent))->common.cap_mask)) {
- tx3->callback = fsl_dma_callback_test;
- tx3->callback_param = fsl_chan;
- }
- fsl_dma_memcpy_issue_pending(chan);
- msleep(2);
-
- if (fsl_dma_is_complete(chan, cookie, NULL, NULL) != DMA_SUCCESS) {
- dev_err(fsl_chan->dev, "selftest: Time out!\n");
- err = -ENODEV;
- goto free_resources;
- }
-
- err = memcmp(src, dest, test_size);
- if (err) {
- for (i = 0; (*(src + i) == *(dest + i)) && (i < test_size);
- i++);
- dev_err(fsl_chan->dev, "selftest: Test failed, data %d/%ld is "
- "error! src 0x%x, dest 0x%x\n",
- i, (long)test_size, *(src + i), *(dest + i));
- }
-
-free_resources:
- fsl_dma_free_chan_resources(chan);
-out:
- kfree(src);
- return err;
-}
-
-static int __devinit of_fsl_dma_chan_probe(struct of_device *dev,
- const struct of_device_id *match)
+static int __devinit fsl_dma_chan_probe(struct fsl_dma_device *fdev,
+ struct device_node *node, u32 feature, const char *compatible)
{
- struct fsl_dma_device *fdev;
struct fsl_dma_chan *new_fsl_chan;
int err;
- fdev = dev_get_drvdata(dev->dev.parent);
- BUG_ON(!fdev);
-
/* alloc channel */
new_fsl_chan = kzalloc(sizeof(struct fsl_dma_chan), GFP_KERNEL);
if (!new_fsl_chan) {
- dev_err(&dev->dev, "No free memory for allocating "
+ dev_err(fdev->dev, "No free memory for allocating "
"dma channels!\n");
return -ENOMEM;
}
/* get dma channel register base */
- err = of_address_to_resource(dev->node, 0, &new_fsl_chan->reg);
+ err = of_address_to_resource(node, 0, &new_fsl_chan->reg);
if (err) {
- dev_err(&dev->dev, "Can't get %s property 'reg'\n",
- dev->node->full_name);
+ dev_err(fdev->dev, "Can't get %s property 'reg'\n",
+ node->full_name);
goto err_no_reg;
}
- new_fsl_chan->feature = *(u32 *)match->data;
+ new_fsl_chan->feature = feature;
if (!fdev->feature)
fdev->feature = new_fsl_chan->feature;
@@ -948,13 +823,13 @@ static int __devinit of_fsl_dma_chan_probe(struct of_device *dev,
*/
WARN_ON(fdev->feature != new_fsl_chan->feature);
- new_fsl_chan->dev = &dev->dev;
+ new_fsl_chan->dev = &new_fsl_chan->common.dev;
new_fsl_chan->reg_base = ioremap(new_fsl_chan->reg.start,
new_fsl_chan->reg.end - new_fsl_chan->reg.start + 1);
new_fsl_chan->id = ((new_fsl_chan->reg.start - 0x100) & 0xfff) >> 7;
if (new_fsl_chan->id > FSL_DMA_MAX_CHANS_PER_DEVICE) {
- dev_err(&dev->dev, "There is no %d channel!\n",
+ dev_err(fdev->dev, "There is no %d channel!\n",
new_fsl_chan->id);
err = -EINVAL;
goto err_no_chan;
@@ -988,29 +863,23 @@ static int __devinit of_fsl_dma_chan_probe(struct of_device *dev,
&fdev->common.channels);
fdev->common.chancnt++;
- new_fsl_chan->irq = irq_of_parse_and_map(dev->node, 0);
+ new_fsl_chan->irq = irq_of_parse_and_map(node, 0);
if (new_fsl_chan->irq != NO_IRQ) {
err = request_irq(new_fsl_chan->irq,
&fsl_dma_chan_do_interrupt, IRQF_SHARED,
"fsldma-channel", new_fsl_chan);
if (err) {
- dev_err(&dev->dev, "DMA channel %s request_irq error "
- "with return %d\n", dev->node->full_name, err);
+ dev_err(fdev->dev, "DMA channel %s request_irq error "
+ "with return %d\n", node->full_name, err);
goto err_no_irq;
}
}
- err = fsl_dma_self_test(new_fsl_chan);
- if (err)
- goto err_self_test;
-
- dev_info(&dev->dev, "#%d (%s), irq %d\n", new_fsl_chan->id,
- match->compatible, new_fsl_chan->irq);
+ dev_info(fdev->dev, "#%d (%s), irq %d\n", new_fsl_chan->id,
+ compatible, new_fsl_chan->irq);
return 0;
-err_self_test:
- free_irq(new_fsl_chan->irq, new_fsl_chan);
err_no_irq:
list_del(&new_fsl_chan->common.device_node);
err_no_chan:
@@ -1020,38 +889,20 @@ err_no_reg:
return err;
}
-const u32 mpc8540_dma_ip_feature = FSL_DMA_IP_85XX | FSL_DMA_BIG_ENDIAN;
-const u32 mpc8349_dma_ip_feature = FSL_DMA_IP_83XX | FSL_DMA_LITTLE_ENDIAN;
-
-static struct of_device_id of_fsl_dma_chan_ids[] = {
- {
- .compatible = "fsl,eloplus-dma-channel",
- .data = (void *)&mpc8540_dma_ip_feature,
- },
- {
- .compatible = "fsl,elo-dma-channel",
- .data = (void *)&mpc8349_dma_ip_feature,
- },
- {}
-};
-
-static struct of_platform_driver of_fsl_dma_chan_driver = {
- .name = "of-fsl-dma-channel",
- .match_table = of_fsl_dma_chan_ids,
- .probe = of_fsl_dma_chan_probe,
-};
-
-static __init int of_fsl_dma_chan_init(void)
+static void fsl_dma_chan_remove(struct fsl_dma_chan *fchan)
{
- return of_register_platform_driver(&of_fsl_dma_chan_driver);
+ free_irq(fchan->irq, fchan);
+ list_del(&fchan->common.device_node);
+ iounmap(fchan->reg_base);
+ kfree(fchan);
}
static int __devinit of_fsl_dma_probe(struct of_device *dev,
const struct of_device_id *match)
{
int err;
- unsigned int irq;
struct fsl_dma_device *fdev;
+ struct device_node *child;
fdev = kzalloc(sizeof(struct fsl_dma_device), GFP_KERNEL);
if (!fdev) {
@@ -1085,9 +936,9 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev,
fdev->common.device_issue_pending = fsl_dma_memcpy_issue_pending;
fdev->common.dev = &dev->dev;
- irq = irq_of_parse_and_map(dev->node, 0);
- if (irq != NO_IRQ) {
- err = request_irq(irq, &fsl_dma_do_interrupt, IRQF_SHARED,
+ fdev->irq = irq_of_parse_and_map(dev->node, 0);
+ if (fdev->irq != NO_IRQ) {
+ err = request_irq(fdev->irq, &fsl_dma_do_interrupt, IRQF_SHARED,
"fsldma-device", fdev);
if (err) {
dev_err(&dev->dev, "DMA device request_irq error "
@@ -1097,7 +948,21 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev,
}
dev_set_drvdata(&(dev->dev), fdev);
- of_platform_bus_probe(dev->node, of_fsl_dma_chan_ids, &dev->dev);
+
+ /* We cannot use of_platform_bus_probe() because there is no
+ * of_platform_bus_remove. Instead, we manually instantiate every DMA
+ * channel object.
+ */
+ for_each_child_of_node(dev->node, child) {
+ if (of_device_is_compatible(child, "fsl,eloplus-dma-channel"))
+ fsl_dma_chan_probe(fdev, child,
+ FSL_DMA_IP_85XX | FSL_DMA_BIG_ENDIAN,
+ "fsl,eloplus-dma-channel");
+ if (of_device_is_compatible(child, "fsl,elo-dma-channel"))
+ fsl_dma_chan_probe(fdev, child,
+ FSL_DMA_IP_83XX | FSL_DMA_LITTLE_ENDIAN,
+ "fsl,elo-dma-channel");
+ }
dma_async_device_register(&fdev->common);
return 0;
@@ -1109,6 +974,30 @@ err_no_reg:
return err;
}
+static int of_fsl_dma_remove(struct of_device *of_dev)
+{
+ struct fsl_dma_device *fdev;
+ unsigned int i;
+
+ fdev = dev_get_drvdata(&of_dev->dev);
+
+ dma_async_device_unregister(&fdev->common);
+
+ for (i = 0; i < FSL_DMA_MAX_CHANS_PER_DEVICE; i++)
+ if (fdev->chan[i])
+ fsl_dma_chan_remove(fdev->chan[i]);
+
+ if (fdev->irq != NO_IRQ)
+ free_irq(fdev->irq, fdev);
+
+ iounmap(fdev->reg_base);
+
+ kfree(fdev);
+ dev_set_drvdata(&of_dev->dev, NULL);
+
+ return 0;
+}
+
static struct of_device_id of_fsl_dma_ids[] = {
{ .compatible = "fsl,eloplus-dma", },
{ .compatible = "fsl,elo-dma", },
@@ -1116,15 +1005,32 @@ static struct of_device_id of_fsl_dma_ids[] = {
};
static struct of_platform_driver of_fsl_dma_driver = {
- .name = "of-fsl-dma",
+ .name = "fsl-elo-dma",
.match_table = of_fsl_dma_ids,
.probe = of_fsl_dma_probe,
+ .remove = of_fsl_dma_remove,
};
static __init int of_fsl_dma_init(void)
{
- return of_register_platform_driver(&of_fsl_dma_driver);
+ int ret;
+
+ pr_info("Freescale Elo / Elo Plus DMA driver\n");
+
+ ret = of_register_platform_driver(&of_fsl_dma_driver);
+ if (ret)
+ pr_err("fsldma: failed to register platform driver\n");
+
+ return ret;
+}
+
+static void __exit of_fsl_dma_exit(void)
+{
+ of_unregister_platform_driver(&of_fsl_dma_driver);
}
-subsys_initcall(of_fsl_dma_chan_init);
subsys_initcall(of_fsl_dma_init);
+module_exit(of_fsl_dma_exit);
+
+MODULE_DESCRIPTION("Freescale Elo / Elo Plus DMA driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/dma/fsldma.h b/drivers/dma/fsldma.h
index 6faf07ba0d0..4f21a512d84 100644
--- a/drivers/dma/fsldma.h
+++ b/drivers/dma/fsldma.h
@@ -114,6 +114,7 @@ struct fsl_dma_device {
struct dma_device common;
struct fsl_dma_chan *chan[FSL_DMA_MAX_CHANS_PER_DEVICE];
u32 feature; /* The same as DMA channels */
+ int irq; /* Channel IRQ */
};
/* Define macros for fsl_dma_chan->feature property */
diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c
index bc8c6e3470c..1ef68b31565 100644
--- a/drivers/dma/ioat_dma.c
+++ b/drivers/dma/ioat_dma.c
@@ -971,11 +971,9 @@ static struct ioat_desc_sw *ioat_dma_get_next_descriptor(
switch (ioat_chan->device->version) {
case IOAT_VER_1_2:
return ioat1_dma_get_next_descriptor(ioat_chan);
- break;
case IOAT_VER_2_0:
case IOAT_VER_3_0:
return ioat2_dma_get_next_descriptor(ioat_chan);
- break;
}
return NULL;
}
diff --git a/drivers/edac/cell_edac.c b/drivers/edac/cell_edac.c
index 0e024fe2d8c..887072f5dc8 100644
--- a/drivers/edac/cell_edac.c
+++ b/drivers/edac/cell_edac.c
@@ -142,7 +142,7 @@ static void __devinit cell_edac_init_csrows(struct mem_ctl_info *mci)
csrow->nr_pages = (r.end - r.start + 1) >> PAGE_SHIFT;
csrow->last_page = csrow->first_page + csrow->nr_pages - 1;
csrow->mtype = MEM_XDR;
- csrow->edac_mode = EDAC_FLAG_EC | EDAC_FLAG_SECDED;
+ csrow->edac_mode = EDAC_SECDED;
dev_dbg(mci->dev,
"Initialized on node %d, chanmask=0x%x,"
" first_page=0x%lx, nr_pages=0x%x\n",
diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c
index deb154aa47c..4353414a0b7 100644
--- a/drivers/firmware/iscsi_ibft.c
+++ b/drivers/firmware/iscsi_ibft.c
@@ -732,7 +732,6 @@ static int __init ibft_create_attribute(struct ibft_kobject *kobj_data,
attr->attr.name = name;
attr->attr.mode = S_IRUSR;
- attr->attr.owner = THIS_MODULE;
attr->hdr = hdr;
attr->show = show;
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 9112830107a..faa1cc66e9c 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -248,7 +248,7 @@ static ssize_t gpio_value_show(struct device *dev,
if (!test_bit(FLAG_EXPORT, &desc->flags))
status = -EIO;
else
- status = sprintf(buf, "%d\n", gpio_get_value_cansleep(gpio));
+ status = sprintf(buf, "%d\n", !!gpio_get_value_cansleep(gpio));
mutex_unlock(&sysfs_lock);
return status;
@@ -1105,7 +1105,7 @@ int gpio_get_value_cansleep(unsigned gpio)
might_sleep_if(extra_checks);
chip = gpio_to_chip(gpio);
- return chip->get(chip, gpio - chip->base);
+ return chip->get ? chip->get(chip, gpio - chip->base) : 0;
}
EXPORT_SYMBOL_GPL(gpio_get_value_cansleep);
@@ -1143,7 +1143,7 @@ static void gpiolib_dbg_show(struct seq_file *s, struct gpio_chip *chip)
if (!is_out) {
int irq = gpio_to_irq(gpio);
- struct irq_desc *desc = irq_desc + irq;
+ struct irq_desc *desc = irq_to_desc(irq);
/* This races with request_irq(), set_irq_type(),
* and set_irq_wake() ... but those are "rare".
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 9097500de5f..a8b33c2ec8d 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -6,7 +6,7 @@
#
menuconfig DRM
tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
- depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG && SHMEM
+ depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG && MMU
help
Kernel-level support for the Direct Rendering Infrastructure (DRI)
introduced in XFree86 4.0. If you say Y here, you need to select
diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c
index d490db4c0de..ae73b7f7249 100644
--- a/drivers/gpu/drm/drm_proc.c
+++ b/drivers/gpu/drm/drm_proc.c
@@ -522,12 +522,12 @@ static int drm_gem_one_name_info(int id, void *ptr, void *data)
struct drm_gem_object *obj = ptr;
struct drm_gem_name_info_data *nid = data;
- DRM_INFO("name %d size %d\n", obj->name, obj->size);
+ DRM_INFO("name %d size %zd\n", obj->name, obj->size);
if (nid->eof)
return 0;
nid->len += sprintf(&nid->buf[nid->len],
- "%6d%9d%8d%9d\n",
+ "%6d %8zd %7d %8d\n",
obj->name, obj->size,
atomic_read(&obj->handlecount.refcount),
atomic_read(&obj->refcount.refcount));
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 9ac73dd1b42..dc2e6fdb6ca 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -171,6 +171,37 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
return 0;
}
+/*
+ * Try to write quickly with an atomic kmap. Return true on success.
+ *
+ * If this fails (which includes a partial write), we'll redo the whole
+ * thing with the slow version.
+ *
+ * This is a workaround for the low performance of iounmap (approximate
+ * 10% cpu cost on normal 3D workloads). kmap_atomic on HIGHMEM kernels
+ * happens to let us map card memory without taking IPIs. When the vmap
+ * rework lands we should be able to dump this hack.
+ */
+static inline int fast_user_write(unsigned long pfn, char __user *user_data,
+ int l, int o)
+{
+#ifdef CONFIG_HIGHMEM
+ unsigned long unwritten;
+ char *vaddr_atomic;
+
+ vaddr_atomic = kmap_atomic_pfn(pfn, KM_USER0);
+#if WATCH_PWRITE
+ DRM_INFO("pwrite i %d o %d l %d pfn %ld vaddr %p\n",
+ i, o, l, pfn, vaddr_atomic);
+#endif
+ unwritten = __copy_from_user_inatomic_nocache(vaddr_atomic + o, user_data, l);
+ kunmap_atomic(vaddr_atomic, KM_USER0);
+ return !unwritten;
+#else
+ return 0;
+#endif
+}
+
static int
i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
struct drm_i915_gem_pwrite *args,
@@ -180,12 +211,7 @@ i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
ssize_t remain;
loff_t offset;
char __user *user_data;
- char __iomem *vaddr;
- char *vaddr_atomic;
- int i, o, l;
int ret = 0;
- unsigned long pfn;
- unsigned long unwritten;
user_data = (char __user *) (uintptr_t) args->data_ptr;
remain = args->size;
@@ -209,6 +235,9 @@ i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
obj_priv->dirty = 1;
while (remain > 0) {
+ unsigned long pfn;
+ int i, o, l;
+
/* Operation in this page
*
* i = page number
@@ -223,25 +252,10 @@ i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
pfn = (dev->agp->base >> PAGE_SHIFT) + i;
-#ifdef CONFIG_HIGHMEM
- /* This is a workaround for the low performance of iounmap
- * (approximate 10% cpu cost on normal 3D workloads).
- * kmap_atomic on HIGHMEM kernels happens to let us map card
- * memory without taking IPIs. When the vmap rework lands
- * we should be able to dump this hack.
- */
- vaddr_atomic = kmap_atomic_pfn(pfn, KM_USER0);
-#if WATCH_PWRITE
- DRM_INFO("pwrite i %d o %d l %d pfn %ld vaddr %p\n",
- i, o, l, pfn, vaddr_atomic);
-#endif
- unwritten = __copy_from_user_inatomic_nocache(vaddr_atomic + o,
- user_data, l);
- kunmap_atomic(vaddr_atomic, KM_USER0);
+ if (!fast_user_write(pfn, user_data, l, o)) {
+ unsigned long unwritten;
+ char __iomem *vaddr;
- if (unwritten)
-#endif /* CONFIG_HIGHMEM */
- {
vaddr = ioremap_wc(pfn << PAGE_SHIFT, PAGE_SIZE);
#if WATCH_PWRITE
DRM_INFO("pwrite slow i %d o %d l %d "
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index b06b8e090a2..bc011da79e1 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -49,6 +49,9 @@
#define APPLESMC_MAX_DATA_LENGTH 32
+#define APPLESMC_MIN_WAIT 0x0040
+#define APPLESMC_MAX_WAIT 0x8000
+
#define APPLESMC_STATUS_MASK 0x0f
#define APPLESMC_READ_CMD 0x10
#define APPLESMC_WRITE_CMD 0x11
@@ -57,8 +60,8 @@
#define KEY_COUNT_KEY "#KEY" /* r-o ui32 */
-#define LIGHT_SENSOR_LEFT_KEY "ALV0" /* r-o {alv (6 bytes) */
-#define LIGHT_SENSOR_RIGHT_KEY "ALV1" /* r-o {alv (6 bytes) */
+#define LIGHT_SENSOR_LEFT_KEY "ALV0" /* r-o {alv (6-10 bytes) */
+#define LIGHT_SENSOR_RIGHT_KEY "ALV1" /* r-o {alv (6-10 bytes) */
#define BACKLIGHT_KEY "LKSB" /* w-o {lkb (2 bytes) */
#define CLAMSHELL_KEY "MSLD" /* r-o ui8 (unused) */
@@ -104,6 +107,15 @@ static const char* temperature_sensors_sets[][36] = {
/* Set 6: Macbook3 set */
{ "TB0T", "TC0D", "TC0P", "TM0P", "TN0P", "TTF0", "TW0P", "Th0H",
"Th0S", "Th1H", NULL },
+/* Set 7: Macbook Air */
+ { "TB0T", "TB1S", "TB1T", "TB2S", "TB2T", "TC0D", "TC0P", "TCFP",
+ "TTF0", "TW0P", "Th0H", "Tp0P", "TpFP", "Ts0P", "Ts0S", NULL },
+/* Set 8: Macbook Pro 4,1 (Penryn) */
+ { "TB0T", "TC0D", "TC0P", "TG0D", "TG0H", "TTF0", "TW0P", "Th0H",
+ "Th1H", "Th2H", "Tm0P", "Ts0P", NULL },
+/* Set 9: Macbook Pro 3,1 (Santa Rosa) */
+ { "TALP", "TB0T", "TC0D", "TC0P", "TG0D", "TG0H", "TTF0", "TW0P",
+ "Th0H", "Th1H", "Th2H", "Tm0P", "Ts0P", NULL },
};
/* List of keys used to read/write fan speeds */
@@ -163,25 +175,25 @@ static unsigned int key_at_index;
static struct workqueue_struct *applesmc_led_wq;
/*
- * __wait_status - Wait up to 2ms for the status port to get a certain value
+ * __wait_status - Wait up to 32ms for the status port to get a certain value
* (masked with 0x0f), returning zero if the value is obtained. Callers must
* hold applesmc_lock.
*/
static int __wait_status(u8 val)
{
- unsigned int i;
+ int us;
val = val & APPLESMC_STATUS_MASK;
- for (i = 0; i < 200; i++) {
+ for (us = APPLESMC_MIN_WAIT; us < APPLESMC_MAX_WAIT; us <<= 1) {
+ udelay(us);
if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == val) {
if (debug)
printk(KERN_DEBUG
- "Waited %d us for status %x\n",
- i*10, val);
+ "Waited %d us for status %x\n",
+ 2 * us - APPLESMC_MIN_WAIT, val);
return 0;
}
- udelay(10);
}
printk(KERN_WARNING "applesmc: wait status failed: %x != %x\n",
@@ -191,6 +203,25 @@ static int __wait_status(u8 val)
}
/*
+ * special treatment of command port - on newer macbooks, it seems necessary
+ * to resend the command byte before polling the status again. Callers must
+ * hold applesmc_lock.
+ */
+static int send_command(u8 cmd)
+{
+ int us;
+ for (us = APPLESMC_MIN_WAIT; us < APPLESMC_MAX_WAIT; us <<= 1) {
+ outb(cmd, APPLESMC_CMD_PORT);
+ udelay(us);
+ if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == 0x0c)
+ return 0;
+ }
+ printk(KERN_WARNING "applesmc: command failed: %x -> %x\n",
+ cmd, inb(APPLESMC_CMD_PORT));
+ return -EIO;
+}
+
+/*
* applesmc_read_key - reads len bytes from a given key, and put them in buffer.
* Returns zero on success or a negative error on failure. Callers must
* hold applesmc_lock.
@@ -205,8 +236,7 @@ static int applesmc_read_key(const char* key, u8* buffer, u8 len)
return -EINVAL;
}
- outb(APPLESMC_READ_CMD, APPLESMC_CMD_PORT);
- if (__wait_status(0x0c))
+ if (send_command(APPLESMC_READ_CMD))
return -EIO;
for (i = 0; i < 4; i++) {
@@ -249,8 +279,7 @@ static int applesmc_write_key(const char* key, u8* buffer, u8 len)
return -EINVAL;
}
- outb(APPLESMC_WRITE_CMD, APPLESMC_CMD_PORT);
- if (__wait_status(0x0c))
+ if (send_command(APPLESMC_WRITE_CMD))
return -EIO;
for (i = 0; i < 4; i++) {
@@ -284,8 +313,7 @@ static int applesmc_get_key_at_index(int index, char* key)
readkey[2] = index >> 8;
readkey[3] = index;
- outb(APPLESMC_GET_KEY_BY_INDEX_CMD, APPLESMC_CMD_PORT);
- if (__wait_status(0x0c))
+ if (send_command(APPLESMC_GET_KEY_BY_INDEX_CMD))
return -EIO;
for (i = 0; i < 4; i++) {
@@ -315,8 +343,7 @@ static int applesmc_get_key_type(char* key, char* type)
{
int i;
- outb(APPLESMC_GET_KEY_TYPE_CMD, APPLESMC_CMD_PORT);
- if (__wait_status(0x0c))
+ if (send_command(APPLESMC_GET_KEY_TYPE_CMD))
return -EIO;
for (i = 0; i < 4; i++) {
@@ -325,7 +352,7 @@ static int applesmc_get_key_type(char* key, char* type)
return -EIO;
}
- outb(5, APPLESMC_DATA_PORT);
+ outb(6, APPLESMC_DATA_PORT);
for (i = 0; i < 6; i++) {
if (__wait_status(0x05))
@@ -527,17 +554,27 @@ out:
static ssize_t applesmc_light_show(struct device *dev,
struct device_attribute *attr, char *sysfsbuf)
{
+ static int data_length;
int ret;
u8 left = 0, right = 0;
- u8 buffer[6];
+ u8 buffer[10], query[6];
mutex_lock(&applesmc_lock);
- ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, 6);
+ if (!data_length) {
+ ret = applesmc_get_key_type(LIGHT_SENSOR_LEFT_KEY, query);
+ if (ret)
+ goto out;
+ data_length = clamp_val(query[0], 0, 10);
+ printk(KERN_INFO "applesmc: light sensor data length set to "
+ "%d\n", data_length);
+ }
+
+ ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, data_length);
left = buffer[2];
if (ret)
goto out;
- ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, 6);
+ ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length);
right = buffer[2];
out:
@@ -1233,39 +1270,57 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = {
{ .accelerometer = 0, .light = 0, .temperature_set = 5 },
/* MacBook3: accelerometer and temperature set 6 */
{ .accelerometer = 1, .light = 0, .temperature_set = 6 },
+/* MacBook Air: accelerometer, backlight and temperature set 7 */
+ { .accelerometer = 1, .light = 1, .temperature_set = 7 },
+/* MacBook Pro 4: accelerometer, backlight and temperature set 8 */
+ { .accelerometer = 1, .light = 1, .temperature_set = 8 },
+/* MacBook Pro 3: accelerometer, backlight and temperature set 9 */
+ { .accelerometer = 1, .light = 1, .temperature_set = 9 },
};
/* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1".
* So we need to put "Apple MacBook Pro" before "Apple MacBook". */
static __initdata struct dmi_system_id applesmc_whitelist[] = {
+ { applesmc_dmi_match, "Apple MacBook Air", {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir") },
+ &applesmc_dmi_data[7]},
+ { applesmc_dmi_match, "Apple MacBook Pro 4", {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro4") },
+ &applesmc_dmi_data[8]},
+ { applesmc_dmi_match, "Apple MacBook Pro 3", {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro3") },
+ &applesmc_dmi_data[9]},
{ applesmc_dmi_match, "Apple MacBook Pro", {
DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
DMI_MATCH(DMI_PRODUCT_NAME,"MacBookPro") },
- (void*)&applesmc_dmi_data[0]},
+ &applesmc_dmi_data[0]},
{ applesmc_dmi_match, "Apple MacBook (v2)", {
DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
DMI_MATCH(DMI_PRODUCT_NAME,"MacBook2") },
- (void*)&applesmc_dmi_data[1]},
+ &applesmc_dmi_data[1]},
{ applesmc_dmi_match, "Apple MacBook (v3)", {
DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
DMI_MATCH(DMI_PRODUCT_NAME,"MacBook3") },
- (void*)&applesmc_dmi_data[6]},
+ &applesmc_dmi_data[6]},
{ applesmc_dmi_match, "Apple MacBook", {
DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
DMI_MATCH(DMI_PRODUCT_NAME,"MacBook") },
- (void*)&applesmc_dmi_data[2]},
+ &applesmc_dmi_data[2]},
{ applesmc_dmi_match, "Apple Macmini", {
DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
DMI_MATCH(DMI_PRODUCT_NAME,"Macmini") },
- (void*)&applesmc_dmi_data[3]},
+ &applesmc_dmi_data[3]},
{ applesmc_dmi_match, "Apple MacPro2", {
DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
DMI_MATCH(DMI_PRODUCT_NAME,"MacPro2") },
- (void*)&applesmc_dmi_data[4]},
+ &applesmc_dmi_data[4]},
{ applesmc_dmi_match, "Apple iMac", {
DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
DMI_MATCH(DMI_PRODUCT_NAME,"iMac") },
- (void*)&applesmc_dmi_data[5]},
+ &applesmc_dmi_data[5]},
{ .ident = NULL }
};
diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index 9b462bb13fa..5fbfa34c110 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -75,7 +75,8 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID");
#define FSCM 0x09 /* Logical device: fans */
#define VLM 0x0d /* Logical device: voltages */
#define TMS 0x0e /* Logical device: temperatures */
-static const u8 logdev[3] = { FSCM, VLM, TMS };
+#define LDNI_MAX 3
+static const u8 logdev[LDNI_MAX] = { FSCM, VLM, TMS };
#define LD_FAN 0
#define LD_IN 1
@@ -489,11 +490,66 @@ static struct sensor_device_attribute in_max[] = {
SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10),
};
+/* (temp & vin) channel status register alarm bits (pdf sec.11.5.12) */
+#define CHAN_ALM_MIN 0x02 /* min limit crossed */
+#define CHAN_ALM_MAX 0x04 /* max limit exceeded */
+#define TEMP_ALM_CRIT 0x08 /* temp crit exceeded (temp only) */
+
+/* show_in_min/max_alarm() reads data from the per-channel status
+ register (sec 11.5.12), not the vin event status registers (sec
+ 11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms) */
+
+static ssize_t show_in_min_alarm(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ struct pc87360_data *data = pc87360_update_device(dev);
+ unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN));
+}
+static ssize_t show_in_max_alarm(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ struct pc87360_data *data = pc87360_update_device(dev);
+ unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX));
+}
+
+static struct sensor_device_attribute in_min_alarm[] = {
+ SENSOR_ATTR(in0_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 0),
+ SENSOR_ATTR(in1_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 1),
+ SENSOR_ATTR(in2_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 2),
+ SENSOR_ATTR(in3_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 3),
+ SENSOR_ATTR(in4_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 4),
+ SENSOR_ATTR(in5_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 5),
+ SENSOR_ATTR(in6_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 6),
+ SENSOR_ATTR(in7_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 7),
+ SENSOR_ATTR(in8_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 8),
+ SENSOR_ATTR(in9_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 9),
+ SENSOR_ATTR(in10_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 10),
+};
+static struct sensor_device_attribute in_max_alarm[] = {
+ SENSOR_ATTR(in0_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 0),
+ SENSOR_ATTR(in1_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 1),
+ SENSOR_ATTR(in2_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 2),
+ SENSOR_ATTR(in3_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 3),
+ SENSOR_ATTR(in4_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 4),
+ SENSOR_ATTR(in5_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 5),
+ SENSOR_ATTR(in6_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 6),
+ SENSOR_ATTR(in7_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 7),
+ SENSOR_ATTR(in8_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 8),
+ SENSOR_ATTR(in9_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 9),
+ SENSOR_ATTR(in10_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 10),
+};
+
#define VIN_UNIT_ATTRS(X) \
&in_input[X].dev_attr.attr, \
&in_status[X].dev_attr.attr, \
&in_min[X].dev_attr.attr, \
- &in_max[X].dev_attr.attr
+ &in_max[X].dev_attr.attr, \
+ &in_min_alarm[X].dev_attr.attr, \
+ &in_max_alarm[X].dev_attr.attr
static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
{
@@ -658,12 +714,68 @@ static struct sensor_device_attribute therm_crit[] = {
show_therm_crit, set_therm_crit, 2+11),
};
+/* show_therm_min/max_alarm() reads data from the per-channel voltage
+ status register (sec 11.5.12) */
+
+static ssize_t show_therm_min_alarm(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ struct pc87360_data *data = pc87360_update_device(dev);
+ unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN));
+}
+static ssize_t show_therm_max_alarm(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ struct pc87360_data *data = pc87360_update_device(dev);
+ unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX));
+}
+static ssize_t show_therm_crit_alarm(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ struct pc87360_data *data = pc87360_update_device(dev);
+ unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%u\n", !!(data->in_status[nr] & TEMP_ALM_CRIT));
+}
+
+static struct sensor_device_attribute therm_min_alarm[] = {
+ SENSOR_ATTR(temp4_min_alarm, S_IRUGO,
+ show_therm_min_alarm, NULL, 0+11),
+ SENSOR_ATTR(temp5_min_alarm, S_IRUGO,
+ show_therm_min_alarm, NULL, 1+11),
+ SENSOR_ATTR(temp6_min_alarm, S_IRUGO,
+ show_therm_min_alarm, NULL, 2+11),
+};
+static struct sensor_device_attribute therm_max_alarm[] = {
+ SENSOR_ATTR(temp4_max_alarm, S_IRUGO,
+ show_therm_max_alarm, NULL, 0+11),
+ SENSOR_ATTR(temp5_max_alarm, S_IRUGO,
+ show_therm_max_alarm, NULL, 1+11),
+ SENSOR_ATTR(temp6_max_alarm, S_IRUGO,
+ show_therm_max_alarm, NULL, 2+11),
+};
+static struct sensor_device_attribute therm_crit_alarm[] = {
+ SENSOR_ATTR(temp4_crit_alarm, S_IRUGO,
+ show_therm_crit_alarm, NULL, 0+11),
+ SENSOR_ATTR(temp5_crit_alarm, S_IRUGO,
+ show_therm_crit_alarm, NULL, 1+11),
+ SENSOR_ATTR(temp6_crit_alarm, S_IRUGO,
+ show_therm_crit_alarm, NULL, 2+11),
+};
+
#define THERM_UNIT_ATTRS(X) \
&therm_input[X].dev_attr.attr, \
&therm_status[X].dev_attr.attr, \
&therm_min[X].dev_attr.attr, \
&therm_max[X].dev_attr.attr, \
- &therm_crit[X].dev_attr.attr
+ &therm_crit[X].dev_attr.attr, \
+ &therm_min_alarm[X].dev_attr.attr, \
+ &therm_max_alarm[X].dev_attr.attr, \
+ &therm_crit_alarm[X].dev_attr.attr
static struct attribute * pc8736x_therm_attr_array[] = {
THERM_UNIT_ATTRS(0),
@@ -790,12 +902,76 @@ static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *att
}
static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL);
+/* show_temp_min/max_alarm() reads data from the per-channel status
+ register (sec 12.3.7), not the temp event status registers (sec
+ 12.3.2) that show_temp_alarm() reads (via data->temp_alarms) */
+
+static ssize_t show_temp_min_alarm(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ struct pc87360_data *data = pc87360_update_device(dev);
+ unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MIN));
+}
+static ssize_t show_temp_max_alarm(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ struct pc87360_data *data = pc87360_update_device(dev);
+ unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MAX));
+}
+static ssize_t show_temp_crit_alarm(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ struct pc87360_data *data = pc87360_update_device(dev);
+ unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_ALM_CRIT));
+}
+
+static struct sensor_device_attribute temp_min_alarm[] = {
+ SENSOR_ATTR(temp1_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 0),
+ SENSOR_ATTR(temp2_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 1),
+ SENSOR_ATTR(temp3_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 2),
+};
+static struct sensor_device_attribute temp_max_alarm[] = {
+ SENSOR_ATTR(temp1_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 0),
+ SENSOR_ATTR(temp2_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 1),
+ SENSOR_ATTR(temp3_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 2),
+};
+static struct sensor_device_attribute temp_crit_alarm[] = {
+ SENSOR_ATTR(temp1_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 0),
+ SENSOR_ATTR(temp2_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 1),
+ SENSOR_ATTR(temp3_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 2),
+};
+
+#define TEMP_FAULT 0x40 /* open diode */
+static ssize_t show_temp_fault(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ struct pc87360_data *data = pc87360_update_device(dev);
+ unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_FAULT));
+}
+static struct sensor_device_attribute temp_fault[] = {
+ SENSOR_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0),
+ SENSOR_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1),
+ SENSOR_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2),
+};
+
#define TEMP_UNIT_ATTRS(X) \
&temp_input[X].dev_attr.attr, \
&temp_status[X].dev_attr.attr, \
&temp_min[X].dev_attr.attr, \
&temp_max[X].dev_attr.attr, \
- &temp_crit[X].dev_attr.attr
+ &temp_crit[X].dev_attr.attr, \
+ &temp_min_alarm[X].dev_attr.attr, \
+ &temp_max_alarm[X].dev_attr.attr, \
+ &temp_crit_alarm[X].dev_attr.attr, \
+ &temp_fault[X].dev_attr.attr
static struct attribute * pc8736x_temp_attr_array[] = {
TEMP_UNIT_ATTRS(0),
@@ -809,8 +985,8 @@ static const struct attribute_group pc8736x_temp_group = {
.attrs = pc8736x_temp_attr_array,
};
-static ssize_t show_name(struct device *dev, struct device_attribute
- *devattr, char *buf)
+static ssize_t show_name(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
struct pc87360_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%s\n", data->name);
@@ -955,7 +1131,7 @@ static int __devinit pc87360_probe(struct platform_device *pdev)
mutex_init(&data->update_lock);
platform_set_drvdata(pdev, data);
- for (i = 0; i < 3; i++) {
+ for (i = 0; i < LDNI_MAX; i++) {
if (((data->address[i] = extra_isa[i]))
&& !request_region(extra_isa[i], PC87360_EXTENT,
pc87360_driver.driver.name)) {
@@ -1031,7 +1207,15 @@ static int __devinit pc87360_probe(struct platform_device *pdev)
|| (err = device_create_file(dev,
&temp_crit[i].dev_attr))
|| (err = device_create_file(dev,
- &temp_status[i].dev_attr)))
+ &temp_status[i].dev_attr))
+ || (err = device_create_file(dev,
+ &temp_min_alarm[i].dev_attr))
+ || (err = device_create_file(dev,
+ &temp_max_alarm[i].dev_attr))
+ || (err = device_create_file(dev,
+ &temp_crit_alarm[i].dev_attr))
+ || (err = device_create_file(dev,
+ &temp_fault[i].dev_attr)))
goto ERROR3;
}
if ((err = device_create_file(dev, &dev_attr_alarms_temp)))
@@ -1131,6 +1315,16 @@ static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
mutex_unlock(&(data->lock));
}
+/* (temp & vin) channel conversion status register flags (pdf sec.11.5.12) */
+#define CHAN_CNVRTD 0x80 /* new data ready */
+#define CHAN_ENA 0x01 /* enabled channel (temp or vin) */
+#define CHAN_ALM_ENA 0x10 /* propagate to alarms-reg ?? (chk val!) */
+#define CHAN_READY (CHAN_ENA|CHAN_CNVRTD) /* sample ready mask */
+
+#define TEMP_OTS_OE 0x20 /* OTS Output Enable */
+#define VIN_RW1C_MASK (CHAN_READY|CHAN_ALM_MAX|CHAN_ALM_MIN) /* 0x87 */
+#define TEMP_RW1C_MASK (VIN_RW1C_MASK|TEMP_ALM_CRIT|TEMP_FAULT) /* 0xCF */
+
static void pc87360_init_device(struct platform_device *pdev,
int use_thermistors)
{
@@ -1152,11 +1346,12 @@ static void pc87360_init_device(struct platform_device *pdev,
nr = data->innr < 11 ? data->innr : 11;
for (i = 0; i < nr; i++) {
+ reg = pc87360_read_value(data, LD_IN, i,
+ PC87365_REG_IN_STATUS);
+ dev_dbg(&pdev->dev, "bios in%d status:0x%02x\n", i, reg);
if (init >= init_in[i]) {
/* Forcibly enable voltage channel */
- reg = pc87360_read_value(data, LD_IN, i,
- PC87365_REG_IN_STATUS);
- if (!(reg & 0x01)) {
+ if (!(reg & CHAN_ENA)) {
dev_dbg(&pdev->dev, "Forcibly "
"enabling in%d\n", i);
pc87360_write_value(data, LD_IN, i,
@@ -1168,19 +1363,24 @@ static void pc87360_init_device(struct platform_device *pdev,
/* We can't blindly trust the Super-I/O space configuration bit,
most BIOS won't set it properly */
+ dev_dbg(&pdev->dev, "bios thermistors:%d\n", use_thermistors);
for (i = 11; i < data->innr; i++) {
reg = pc87360_read_value(data, LD_IN, i,
PC87365_REG_TEMP_STATUS);
- use_thermistors = use_thermistors || (reg & 0x01);
+ use_thermistors = use_thermistors || (reg & CHAN_ENA);
+ /* thermistors are temp[4-6], measured on vin[11-14] */
+ dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i-7, reg);
}
+ dev_dbg(&pdev->dev, "using thermistors:%d\n", use_thermistors);
i = use_thermistors ? 2 : 0;
for (; i < data->tempnr; i++) {
+ reg = pc87360_read_value(data, LD_TEMP, i,
+ PC87365_REG_TEMP_STATUS);
+ dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i+1, reg);
if (init >= init_temp[i]) {
/* Forcibly enable temperature channel */
- reg = pc87360_read_value(data, LD_TEMP, i,
- PC87365_REG_TEMP_STATUS);
- if (!(reg & 0x01)) {
+ if (!(reg & CHAN_ENA)) {
dev_dbg(&pdev->dev, "Forcibly "
"enabling temp%d\n", i+1);
pc87360_write_value(data, LD_TEMP, i,
@@ -1197,7 +1397,7 @@ static void pc87360_init_device(struct platform_device *pdev,
diodes */
reg = pc87360_read_value(data, LD_TEMP,
(i-11)/2, PC87365_REG_TEMP_STATUS);
- if (reg & 0x01) {
+ if (reg & CHAN_ENA) {
dev_dbg(&pdev->dev, "Skipping "
"temp%d, pin already in use "
"by temp%d\n", i-7, (i-11)/2);
@@ -1207,7 +1407,7 @@ static void pc87360_init_device(struct platform_device *pdev,
/* Forcibly enable thermistor channel */
reg = pc87360_read_value(data, LD_IN, i,
PC87365_REG_IN_STATUS);
- if (!(reg & 0x01)) {
+ if (!(reg & CHAN_ENA)) {
dev_dbg(&pdev->dev, "Forcibly "
"enabling temp%d\n", i-7);
pc87360_write_value(data, LD_IN, i,
@@ -1221,7 +1421,8 @@ static void pc87360_init_device(struct platform_device *pdev,
if (data->innr) {
reg = pc87360_read_value(data, LD_IN, NO_BANK,
PC87365_REG_IN_CONFIG);
- if (reg & 0x01) {
+ dev_dbg(&pdev->dev, "bios vin-cfg:0x%02x\n", reg);
+ if (reg & CHAN_ENA) {
dev_dbg(&pdev->dev, "Forcibly "
"enabling monitoring (VLM)\n");
pc87360_write_value(data, LD_IN, NO_BANK,
@@ -1233,7 +1434,8 @@ static void pc87360_init_device(struct platform_device *pdev,
if (data->tempnr) {
reg = pc87360_read_value(data, LD_TEMP, NO_BANK,
PC87365_REG_TEMP_CONFIG);
- if (reg & 0x01) {
+ dev_dbg(&pdev->dev, "bios temp-cfg:0x%02x\n", reg);
+ if (reg & CHAN_ENA) {
dev_dbg(&pdev->dev, "Forcibly enabling "
"monitoring (TMS)\n");
pc87360_write_value(data, LD_TEMP, NO_BANK,
@@ -1336,11 +1538,11 @@ static struct pc87360_data *pc87360_update_device(struct device *dev)
pc87360_write_value(data, LD_IN, i,
PC87365_REG_IN_STATUS,
data->in_status[i]);
- if ((data->in_status[i] & 0x81) == 0x81) {
+ if ((data->in_status[i] & CHAN_READY) == CHAN_READY) {
data->in[i] = pc87360_read_value(data, LD_IN,
i, PC87365_REG_IN);
}
- if (data->in_status[i] & 0x01) {
+ if (data->in_status[i] & CHAN_ENA) {
data->in_min[i] = pc87360_read_value(data,
LD_IN, i,
PC87365_REG_IN_MIN);
@@ -1373,12 +1575,12 @@ static struct pc87360_data *pc87360_update_device(struct device *dev)
pc87360_write_value(data, LD_TEMP, i,
PC87365_REG_TEMP_STATUS,
data->temp_status[i]);
- if ((data->temp_status[i] & 0x81) == 0x81) {
+ if ((data->temp_status[i] & CHAN_READY) == CHAN_READY) {
data->temp[i] = pc87360_read_value(data,
LD_TEMP, i,
PC87365_REG_TEMP);
}
- if (data->temp_status[i] & 0x01) {
+ if (data->temp_status[i] & CHAN_ENA) {
data->temp_min[i] = pc87360_read_value(data,
LD_TEMP, i,
PC87365_REG_TEMP_MIN);
diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c
index 1ea39254dac..424dad6f18d 100644
--- a/drivers/i2c/busses/i2c-amd756.c
+++ b/drivers/i2c/busses/i2c-amd756.c
@@ -332,10 +332,6 @@ static int __devinit amd756_probe(struct pci_dev *pdev,
int error;
u8 temp;
- /* driver_data might come from user-space, so check it */
- if (id->driver_data >= ARRAY_SIZE(chipname))
- return -EINVAL;
-
if (amd756_ioport) {
dev_err(&pdev->dev, "Only one device supported "
"(you have a strange motherboard, btw)\n");
@@ -412,7 +408,6 @@ static struct pci_driver amd756_driver = {
.id_table = amd756_ids,
.probe = amd756_probe,
.remove = __devexit_p(amd756_remove),
- .dynids.use_driver_data = 1,
};
static int __init amd756_init(void)
diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index 73dc52e114e..9f194d9efd9 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -332,10 +332,6 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
unsigned char temp;
int error = -ENODEV;
- /* driver_data might come from user-space, so check it */
- if (id->driver_data & 1 || id->driver_data > 0xff)
- return -EINVAL;
-
/* Determine the address of the SMBus areas */
if (force_addr) {
vt596_smba = force_addr & 0xfff0;
@@ -483,7 +479,6 @@ static struct pci_driver vt596_driver = {
.name = "vt596_smbus",
.id_table = vt596_ids,
.probe = vt596_probe,
- .dynids.use_driver_data = 1,
};
static int __init i2c_vt596_init(void)
diff --git a/drivers/i2c/chips/at24.c b/drivers/i2c/chips/at24.c
index 2a4acb26956..d4775528abc 100644
--- a/drivers/i2c/chips/at24.c
+++ b/drivers/i2c/chips/at24.c
@@ -460,7 +460,6 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
*/
at24->bin.attr.name = "eeprom";
at24->bin.attr.mode = chip.flags & AT24_FLAG_IRUGO ? S_IRUGO : S_IRUSR;
- at24->bin.attr.owner = THIS_MODULE;
at24->bin.read = at24_bin_read;
at24->bin.size = chip.byte_len;
diff --git a/drivers/i2c/chips/ds1682.c b/drivers/i2c/chips/ds1682.c
index 23be4d42cb0..f3ee4a1abb7 100644
--- a/drivers/i2c/chips/ds1682.c
+++ b/drivers/i2c/chips/ds1682.c
@@ -190,7 +190,6 @@ static struct bin_attribute ds1682_eeprom_attr = {
.attr = {
.name = "eeprom",
.mode = S_IRUGO | S_IWUSR,
- .owner = THIS_MODULE,
},
.size = DS1682_EEPROM_SIZE,
.read = ds1682_eeprom_read,
diff --git a/drivers/i2c/chips/menelaus.c b/drivers/i2c/chips/menelaus.c
index 176126d3a01..4b364bae6b3 100644
--- a/drivers/i2c/chips/menelaus.c
+++ b/drivers/i2c/chips/menelaus.c
@@ -832,52 +832,52 @@ static irqreturn_t menelaus_irq(int irq, void *_menelaus)
static void menelaus_to_time(char *regs, struct rtc_time *t)
{
- t->tm_sec = BCD2BIN(regs[0]);
- t->tm_min = BCD2BIN(regs[1]);
+ t->tm_sec = bcd2bin(regs[0]);
+ t->tm_min = bcd2bin(regs[1]);
if (the_menelaus->rtc_control & RTC_CTRL_MODE12) {
- t->tm_hour = BCD2BIN(regs[2] & 0x1f) - 1;
+ t->tm_hour = bcd2bin(regs[2] & 0x1f) - 1;
if (regs[2] & RTC_HR_PM)
t->tm_hour += 12;
} else
- t->tm_hour = BCD2BIN(regs[2] & 0x3f);
- t->tm_mday = BCD2BIN(regs[3]);
- t->tm_mon = BCD2BIN(regs[4]) - 1;
- t->tm_year = BCD2BIN(regs[5]) + 100;
+ t->tm_hour = bcd2bin(regs[2] & 0x3f);
+ t->tm_mday = bcd2bin(regs[3]);
+ t->tm_mon = bcd2bin(regs[4]) - 1;
+ t->tm_year = bcd2bin(regs[5]) + 100;
}
static int time_to_menelaus(struct rtc_time *t, int regnum)
{
int hour, status;
- status = menelaus_write_reg(regnum++, BIN2BCD(t->tm_sec));
+ status = menelaus_write_reg(regnum++, bin2bcd(t->tm_sec));
if (status < 0)
goto fail;
- status = menelaus_write_reg(regnum++, BIN2BCD(t->tm_min));
+ status = menelaus_write_reg(regnum++, bin2bcd(t->tm_min));
if (status < 0)
goto fail;
if (the_menelaus->rtc_control & RTC_CTRL_MODE12) {
hour = t->tm_hour + 1;
if (hour > 12)
- hour = RTC_HR_PM | BIN2BCD(hour - 12);
+ hour = RTC_HR_PM | bin2bcd(hour - 12);
else
- hour = BIN2BCD(hour);
+ hour = bin2bcd(hour);
} else
- hour = BIN2BCD(t->tm_hour);
+ hour = bin2bcd(t->tm_hour);
status = menelaus_write_reg(regnum++, hour);
if (status < 0)
goto fail;
- status = menelaus_write_reg(regnum++, BIN2BCD(t->tm_mday));
+ status = menelaus_write_reg(regnum++, bin2bcd(t->tm_mday));
if (status < 0)
goto fail;
- status = menelaus_write_reg(regnum++, BIN2BCD(t->tm_mon + 1));
+ status = menelaus_write_reg(regnum++, bin2bcd(t->tm_mon + 1));
if (status < 0)
goto fail;
- status = menelaus_write_reg(regnum++, BIN2BCD(t->tm_year - 100));
+ status = menelaus_write_reg(regnum++, bin2bcd(t->tm_year - 100));
if (status < 0)
goto fail;
@@ -914,7 +914,7 @@ static int menelaus_read_time(struct device *dev, struct rtc_time *t)
}
menelaus_to_time(regs, t);
- t->tm_wday = BCD2BIN(regs[6]);
+ t->tm_wday = bcd2bin(regs[6]);
return 0;
}
@@ -927,7 +927,7 @@ static int menelaus_set_time(struct device *dev, struct rtc_time *t)
status = time_to_menelaus(t, MENELAUS_RTC_SEC);
if (status < 0)
return status;
- status = menelaus_write_reg(MENELAUS_RTC_WKDAY, BIN2BCD(t->tm_wday));
+ status = menelaus_write_reg(MENELAUS_RTC_WKDAY, bin2bcd(t->tm_wday));
if (status < 0) {
dev_err(&the_menelaus->client->dev, "rtc write reg %02x "
"err %d\n", MENELAUS_RTC_WKDAY, status);
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 74a369a6116..a820ca6fc32 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -84,21 +84,40 @@ config BLK_DEV_IDE_SATA
If unsure, say N.
-config BLK_DEV_IDEDISK
- tristate "Include IDE/ATA-2 DISK support"
- ---help---
- This will include enhanced support for MFM/RLL/IDE hard disks. If
- you have a MFM/RLL/IDE disk, and there is no special reason to use
- the old hard disk driver instead, say Y. If you have an SCSI-only
- system, you can say N here.
+config IDE_GD
+ tristate "generic ATA/ATAPI disk support"
+ default y
+ help
+ Support for ATA/ATAPI disks (including ATAPI floppy drives).
- To compile this driver as a module, choose M here: the
- module will be called ide-disk.
- Do not compile this driver as a module if your root file system
- (the one containing the directory /) is located on the IDE disk.
+ To compile this driver as a module, choose M here.
+ The module will be called ide-gd_mod.
+
+ If unsure, say Y.
+
+config IDE_GD_ATA
+ bool "ATA disk support"
+ depends on IDE_GD
+ default y
+ help
+ This will include support for ATA hard disks.
If unsure, say Y.
+config IDE_GD_ATAPI
+ bool "ATAPI floppy support"
+ depends on IDE_GD
+ select IDE_ATAPI
+ help
+ This will include support for ATAPI floppy drives
+ (i.e. Iomega ZIP or MKE LS-120).
+
+ For information about jumper settings and the question
+ of when a ZIP drive uses a partition table, see
+ <http://www.win.tue.nl/~aeb/linux/zip/zip-1.html>.
+
+ If unsure, say N.
+
config BLK_DEV_IDECS
tristate "PCMCIA IDE support"
depends on PCMCIA
@@ -163,29 +182,6 @@ config BLK_DEV_IDETAPE
To compile this driver as a module, choose M here: the
module will be called ide-tape.
-config BLK_DEV_IDEFLOPPY
- tristate "Include IDE/ATAPI FLOPPY support"
- select IDE_ATAPI
- ---help---
- If you have an IDE floppy drive which uses the ATAPI protocol,
- answer Y. ATAPI is a newer protocol used by IDE CD-ROM/tape/floppy
- drives, similar to the SCSI protocol.
-
- The LS-120 and the IDE/ATAPI Iomega ZIP drive are also supported by
- this driver. For information about jumper settings and the question
- of when a ZIP drive uses a partition table, see
- <http://www.win.tue.nl/~aeb/linux/zip/zip-1.html>.
- (ATAPI PD-CD/CDR drives are not supported by this driver; support
- for PD-CD/CDR drives is available if you answer Y to
- "SCSI emulation support", below).
-
- If you say Y here, the FLOPPY drive will be identified along with
- other IDE devices, as "hdb" or "hdc", or something similar (check
- the boot messages with dmesg).
-
- To compile this driver as a module, choose M here: the
- module will be called ide-floppy.
-
config BLK_DEV_IDESCSI
tristate "SCSI emulation support (DEPRECATED)"
depends on SCSI
@@ -332,7 +328,7 @@ config IDEPCI_PCIBUS_ORDER
# TODO: split it on per host driver config options (or module parameters)
config BLK_DEV_OFFBOARD
bool "Boot off-board chipsets first support (DEPRECATED)"
- depends on BLK_DEV_IDEPCI && (BLK_DEV_AEC62XX || BLK_DEV_GENERIC || BLK_DEV_HPT34X || BLK_DEV_HPT366 || BLK_DEV_PDC202XX_NEW || BLK_DEV_PDC202XX_OLD || BLK_DEV_TC86C001)
+ depends on BLK_DEV_IDEPCI && (BLK_DEV_AEC62XX || BLK_DEV_GENERIC || BLK_DEV_HPT366 || BLK_DEV_PDC202XX_NEW || BLK_DEV_PDC202XX_OLD || BLK_DEV_TC86C001)
help
Normally, IDE controllers built into the motherboard (on-board
controllers) are assigned to ide0 and ide1 while those on add-in PCI
@@ -482,28 +478,6 @@ config BLK_DEV_CS5535
It is safe to say Y to this question.
-config BLK_DEV_HPT34X
- tristate "HPT34X chipset support"
- depends on BROKEN
- select BLK_DEV_IDEDMA_PCI
- help
- This driver adds up to 4 more EIDE devices sharing a single
- interrupt. The HPT343 chipset in its current form is a non-bootable
- controller; the HPT345/HPT363 chipset is a bootable (needs BIOS FIX)
- PCI UDMA controllers. This driver requires dynamic tuning of the
- chipset during the ide-probe at boot time. It is reported to support
- DVD II drives, by the manufacturer.
-
-config HPT34X_AUTODMA
- bool "HPT34X AUTODMA support (EXPERIMENTAL)"
- depends on BLK_DEV_HPT34X && EXPERIMENTAL
- help
- This is a dangerous thing to attempt currently! Please read the
- comments at the top of <file:drivers/ide/pci/hpt34x.c>. If you say Y
- here, then say Y to "Use DMA by default when available" as well.
-
- If unsure, say N.
-
config BLK_DEV_HPT366
tristate "HPT36X/37X chipset support"
select BLK_DEV_IDEDMA_PCI
diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile
index ceaf779054e..093d3248ca8 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -37,18 +37,25 @@ obj-$(CONFIG_IDE_H8300) += h8300/
obj-$(CONFIG_IDE_GENERIC) += ide-generic.o
obj-$(CONFIG_BLK_DEV_IDEPNP) += ide-pnp.o
-ide-disk_mod-y += ide-disk.o ide-disk_ioctl.o
+ide-gd_mod-y += ide-gd.o
ide-cd_mod-y += ide-cd.o ide-cd_ioctl.o ide-cd_verbose.o
-ide-floppy_mod-y += ide-floppy.o ide-floppy_ioctl.o
+ifeq ($(CONFIG_IDE_GD_ATA), y)
+ ide-gd_mod-y += ide-disk.o ide-disk_ioctl.o
ifeq ($(CONFIG_IDE_PROC_FS), y)
- ide-disk_mod-y += ide-disk_proc.o
- ide-floppy_mod-y += ide-floppy_proc.o
+ ide-gd_mod-y += ide-disk_proc.o
+endif
+endif
+
+ifeq ($(CONFIG_IDE_GD_ATAPI), y)
+ ide-gd_mod-y += ide-floppy.o ide-floppy_ioctl.o
+ifeq ($(CONFIG_IDE_PROC_FS), y)
+ ide-gd_mod-y += ide-floppy_proc.o
+endif
endif
-obj-$(CONFIG_BLK_DEV_IDEDISK) += ide-disk_mod.o
+obj-$(CONFIG_IDE_GD) += ide-gd_mod.o
obj-$(CONFIG_BLK_DEV_IDECD) += ide-cd_mod.o
-obj-$(CONFIG_BLK_DEV_IDEFLOPPY) += ide-floppy_mod.o
obj-$(CONFIG_BLK_DEV_IDETAPE) += ide-tape.o
ifeq ($(CONFIG_BLK_DEV_IDECS), y)
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 2e305714c20..4e58b9e7a58 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -191,7 +191,7 @@ int ide_set_media_lock(ide_drive_t *drive, struct gendisk *disk, int on)
{
struct ide_atapi_pc pc;
- if (drive->atapi_flags & IDE_AFLAG_NO_DOORLOCK)
+ if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) == 0)
return 0;
ide_init_pc(&pc);
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 3308b1cd3a3..13265a8827d 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -99,7 +99,7 @@ static void ide_cd_put(struct cdrom_info *cd)
/* Mark that we've seen a media change and invalidate our internal buffers. */
static void cdrom_saw_media_change(ide_drive_t *drive)
{
- drive->atapi_flags |= IDE_AFLAG_MEDIA_CHANGED;
+ drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
drive->atapi_flags &= ~IDE_AFLAG_TOC_VALID;
}
@@ -340,8 +340,8 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
}
ide_debug_log(IDE_DBG_RQ, "%s: stat: 0x%x, good_stat: 0x%x, "
- "rq->cmd_type: 0x%x, err: 0x%x\n", __func__, stat,
- good_stat, rq->cmd_type, err);
+ "rq->cmd[0]: 0x%x, rq->cmd_type: 0x%x, err: 0x%x\n",
+ __func__, stat, good_stat, rq->cmd[0], rq->cmd_type, err);
if (blk_sense_request(rq)) {
/*
@@ -843,13 +843,10 @@ static void ide_cd_restore_request(ide_drive_t *drive, struct request *rq)
rq->q->prep_rq_fn(rq->q, rq);
}
-/*
- * All other packet commands.
- */
static void ide_cd_request_sense_fixup(ide_drive_t *drive, struct request *rq)
{
-
- ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+ ide_debug_log(IDE_DBG_FUNC, "Call %s, rq->cmd[0]: 0x%x\n",
+ __func__, rq->cmd[0]);
/*
* Some of the trailing request sense fields are optional,
@@ -876,7 +873,7 @@ int ide_cd_queue_pc(ide_drive_t *drive, const unsigned char *cmd,
if (!sense)
sense = &local_sense;
- ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd[0]: 0x%x, write: 0x%x, "
+ ide_debug_log(IDE_DBG_PC, "Call %s, cmd[0]: 0x%x, write: 0x%x, "
"timeout: %d, cmd_flags: 0x%x\n", __func__, cmd[0], write,
timeout, cmd_flags);
@@ -1177,8 +1174,9 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq)
unsigned short sectors_per_frame =
queue_hardsect_size(drive->queue) >> SECTOR_BITS;
- ide_debug_log(IDE_DBG_RQ, "Call %s, write: 0x%x, secs_per_frame: %u\n",
- __func__, write, sectors_per_frame);
+ ide_debug_log(IDE_DBG_RQ, "Call %s, rq->cmd[0]: 0x%x, write: 0x%x, "
+ "secs_per_frame: %u\n",
+ __func__, rq->cmd[0], write, sectors_per_frame);
if (write) {
/* disk has become write protected */
@@ -1221,7 +1219,8 @@ static ide_startstop_t cdrom_do_newpc_cont(ide_drive_t *drive)
static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
{
- ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd_type: 0x%x\n", __func__,
+ ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd[0]: 0x%x, "
+ "rq->cmd_type: 0x%x\n", __func__, rq->cmd[0],
rq->cmd_type);
if (blk_pc_request(rq))
@@ -1257,9 +1256,6 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
}
}
-/*
- * cdrom driver request routine.
- */
static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
sector_t block)
{
@@ -1267,8 +1263,10 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
ide_handler_t *fn;
int xferlen;
- ide_debug_log(IDE_DBG_RQ, "Call %s, rq->cmd_type: 0x%x, block: %llu\n",
- __func__, rq->cmd_type, (unsigned long long)block);
+ ide_debug_log(IDE_DBG_RQ, "Call %s, rq->cmd[0]: 0x%x, "
+ "rq->cmd_type: 0x%x, block: %llu\n",
+ __func__, rq->cmd[0], rq->cmd_type,
+ (unsigned long long)block);
if (blk_fs_request(rq)) {
if (drive->atapi_flags & IDE_AFLAG_SEEKING) {
@@ -1412,6 +1410,10 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity,
*capacity = 1 + be32_to_cpu(capbuf.lba);
*sectors_per_frame = blocklen >> SECTOR_BITS;
+
+ ide_debug_log(IDE_DBG_PROBE, "%s: cap: %lu, sectors_per_frame: %lu\n",
+ __func__, *capacity, *sectors_per_frame);
+
return 0;
}
@@ -1643,6 +1645,9 @@ void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf)
maxspeed = be16_to_cpup((__be16 *)&buf[8 + 8]);
}
+ ide_debug_log(IDE_DBG_PROBE, "%s: curspeed: %u, maxspeed: %u\n",
+ __func__, curspeed, maxspeed);
+
cd->current_speed = (curspeed + (176/2)) / 176;
cd->max_speed = (maxspeed + (176/2)) / 176;
}
@@ -1732,7 +1737,7 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive)
return 0;
if ((buf[8 + 6] & 0x01) == 0)
- drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+ drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
if (buf[8 + 6] & 0x08)
drive->atapi_flags &= ~IDE_AFLAG_NO_EJECT;
if (buf[8 + 3] & 0x01)
@@ -1777,7 +1782,7 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive)
if ((cdi->mask & CDC_DVD_R) == 0 || (cdi->mask & CDC_DVD_RAM) == 0)
printk(KERN_CONT " DVD%s%s",
(cdi->mask & CDC_DVD_R) ? "" : "-R",
- (cdi->mask & CDC_DVD_RAM) ? "" : "-RAM");
+ (cdi->mask & CDC_DVD_RAM) ? "" : "/RAM");
if ((cdi->mask & CDC_CD_R) == 0 || (cdi->mask & CDC_CD_RW) == 0)
printk(KERN_CONT " CD%s%s",
@@ -1908,6 +1913,16 @@ static const struct ide_proc_devset idecd_settings[] = {
IDE_PROC_DEVSET(dsc_overlap, 0, 1),
{ 0 },
};
+
+static ide_proc_entry_t *ide_cd_proc_entries(ide_drive_t *drive)
+{
+ return idecd_proc;
+}
+
+static const struct ide_proc_devset *ide_cd_proc_devsets(ide_drive_t *drive)
+{
+ return idecd_settings;
+}
#endif
static const struct cd_list_entry ide_cd_quirks_list[] = {
@@ -1986,8 +2001,8 @@ static int ide_cdrom_setup(ide_drive_t *drive)
if (!drive->queue->unplug_delay)
drive->queue->unplug_delay = 1;
- drive->atapi_flags = IDE_AFLAG_MEDIA_CHANGED | IDE_AFLAG_NO_EJECT |
- ide_cd_flags(id);
+ drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
+ drive->atapi_flags = IDE_AFLAG_NO_EJECT | ide_cd_flags(id);
if ((drive->atapi_flags & IDE_AFLAG_VERTOS_300_SSD) &&
fw_rev[4] == '1' && fw_rev[6] <= '2')
@@ -2069,8 +2084,8 @@ static ide_driver_t ide_cdrom_driver = {
.end_request = ide_end_request,
.error = __ide_error,
#ifdef CONFIG_IDE_PROC_FS
- .proc = idecd_proc,
- .settings = idecd_settings,
+ .proc_entries = ide_cd_proc_entries,
+ .proc_devsets = ide_cd_proc_devsets,
#endif
};
diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c
index 74231b41f61..df3df0041eb 100644
--- a/drivers/ide/ide-cd_ioctl.c
+++ b/drivers/ide/ide-cd_ioctl.c
@@ -86,8 +86,8 @@ int ide_cdrom_check_media_change_real(struct cdrom_device_info *cdi,
if (slot_nr == CDSL_CURRENT) {
(void) cdrom_check_status(drive, NULL);
- retval = (drive->atapi_flags & IDE_AFLAG_MEDIA_CHANGED) ? 1 : 0;
- drive->atapi_flags &= ~IDE_AFLAG_MEDIA_CHANGED;
+ retval = (drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED) ? 1 : 0;
+ drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED;
return retval;
} else {
return -EINVAL;
@@ -136,7 +136,7 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag,
sense = &my_sense;
/* If the drive cannot lock the door, just pretend. */
- if (drive->atapi_flags & IDE_AFLAG_NO_DOORLOCK) {
+ if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) == 0) {
stat = 0;
} else {
unsigned char cmd[BLK_MAX_CDB];
@@ -157,7 +157,7 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag,
(sense->asc == 0x24 || sense->asc == 0x20)) {
printk(KERN_ERR "%s: door locking not supported\n",
drive->name);
- drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+ drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
stat = 0;
}
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 3853bde8eed..223750c1b5a 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -14,9 +14,6 @@
* This is the IDE/ATA disk driver, as evolved from hd.c and ide.c.
*/
-#define IDEDISK_VERSION "1.18"
-
-#include <linux/module.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/kernel.h>
@@ -39,46 +36,8 @@
#include <asm/io.h>
#include <asm/div64.h>
-#if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT)
-#define IDE_DISK_MINORS (1 << PARTN_BITS)
-#else
-#define IDE_DISK_MINORS 0
-#endif
-
#include "ide-disk.h"
-static DEFINE_MUTEX(idedisk_ref_mutex);
-
-#define to_ide_disk(obj) container_of(obj, struct ide_disk_obj, kref)
-
-static void ide_disk_release(struct kref *);
-
-static struct ide_disk_obj *ide_disk_get(struct gendisk *disk)
-{
- struct ide_disk_obj *idkp = NULL;
-
- mutex_lock(&idedisk_ref_mutex);
- idkp = ide_disk_g(disk);
- if (idkp) {
- if (ide_device_get(idkp->drive))
- idkp = NULL;
- else
- kref_get(&idkp->kref);
- }
- mutex_unlock(&idedisk_ref_mutex);
- return idkp;
-}
-
-static void ide_disk_put(struct ide_disk_obj *idkp)
-{
- ide_drive_t *drive = idkp->drive;
-
- mutex_lock(&idedisk_ref_mutex);
- kref_put(&idkp->kref, ide_disk_release);
- ide_device_put(drive);
- mutex_unlock(&idedisk_ref_mutex);
-}
-
static const u8 ide_rw_cmds[] = {
ATA_CMD_READ_MULTI,
ATA_CMD_WRITE_MULTI,
@@ -374,7 +333,7 @@ static void idedisk_check_hpa(ide_drive_t *drive)
}
}
-static void init_idedisk_capacity(ide_drive_t *drive)
+static int ide_disk_get_capacity(ide_drive_t *drive)
{
u16 *id = drive->id;
int lba;
@@ -403,11 +362,28 @@ static void init_idedisk_capacity(ide_drive_t *drive)
if (ata_id_hpa_enabled(id))
idedisk_check_hpa(drive);
}
-}
-sector_t ide_disk_capacity(ide_drive_t *drive)
-{
- return drive->capacity64;
+ /* limit drive capacity to 137GB if LBA48 cannot be used */
+ if ((drive->dev_flags & IDE_DFLAG_LBA48) == 0 &&
+ drive->capacity64 > 1ULL << 28) {
+ printk(KERN_WARNING "%s: cannot use LBA48 - full capacity "
+ "%llu sectors (%llu MB)\n",
+ drive->name, (unsigned long long)drive->capacity64,
+ sectors_to_MB(drive->capacity64));
+ drive->capacity64 = 1ULL << 28;
+ }
+
+ if ((drive->hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) &&
+ (drive->dev_flags & IDE_DFLAG_LBA48)) {
+ if (drive->capacity64 > 1ULL << 28) {
+ printk(KERN_INFO "%s: cannot use LBA48 DMA - PIO mode"
+ " will be used for accessing sectors "
+ "> %u\n", drive->name, 1 << 28);
+ } else
+ drive->dev_flags &= ~IDE_DFLAG_LBA48;
+ }
+
+ return 0;
}
static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
@@ -508,7 +484,7 @@ static void update_ordered(ide_drive_t *drive)
* time we have trimmed the drive capacity if LBA48 is
* not available so we don't need to recheck that.
*/
- capacity = ide_disk_capacity(drive);
+ capacity = ide_gd_capacity(drive);
barrier = ata_id_flush_enabled(id) &&
(drive->dev_flags & IDE_DFLAG_NOFLUSH) == 0 &&
((drive->dev_flags & IDE_DFLAG_LBA48) == 0 ||
@@ -616,7 +592,12 @@ ide_ext_devset_rw(wcache, wcache);
ide_ext_devset_rw_sync(nowerr, nowerr);
-static void idedisk_setup(ide_drive_t *drive)
+static int ide_disk_check(ide_drive_t *drive, const char *s)
+{
+ return 1;
+}
+
+static void ide_disk_setup(ide_drive_t *drive)
{
struct ide_disk_obj *idkp = drive->driver_data;
ide_hwif_t *hwif = drive->hwif;
@@ -652,33 +633,13 @@ static void idedisk_setup(ide_drive_t *drive)
drive->queue->max_sectors / 2);
/* calculate drive capacity, and select LBA if possible */
- init_idedisk_capacity(drive);
-
- /* limit drive capacity to 137GB if LBA48 cannot be used */
- if ((drive->dev_flags & IDE_DFLAG_LBA48) == 0 &&
- drive->capacity64 > 1ULL << 28) {
- printk(KERN_WARNING "%s: cannot use LBA48 - full capacity "
- "%llu sectors (%llu MB)\n",
- drive->name, (unsigned long long)drive->capacity64,
- sectors_to_MB(drive->capacity64));
- drive->capacity64 = 1ULL << 28;
- }
-
- if ((hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) &&
- (drive->dev_flags & IDE_DFLAG_LBA48)) {
- if (drive->capacity64 > 1ULL << 28) {
- printk(KERN_INFO "%s: cannot use LBA48 DMA - PIO mode"
- " will be used for accessing sectors "
- "> %u\n", drive->name, 1 << 28);
- } else
- drive->dev_flags &= ~IDE_DFLAG_LBA48;
- }
+ ide_disk_get_capacity(drive);
/*
* if possible, give fdisk access to more of the drive,
* by correcting bios_cyls:
*/
- capacity = ide_disk_capacity(drive);
+ capacity = ide_gd_capacity(drive);
if ((drive->dev_flags & IDE_DFLAG_FORCED_GEOM) == 0) {
if (ata_id_lba48_enabled(drive->id)) {
@@ -718,9 +679,17 @@ static void idedisk_setup(ide_drive_t *drive)
drive->dev_flags |= IDE_DFLAG_WCACHE;
set_wcache(drive, 1);
+
+ if ((drive->dev_flags & IDE_DFLAG_LBA) == 0 &&
+ (drive->head == 0 || drive->head > 16)) {
+ printk(KERN_ERR "%s: invalid geometry: %d physical heads?\n",
+ drive->name, drive->head);
+ drive->dev_flags &= ~IDE_DFLAG_ATTACH;
+ } else
+ drive->dev_flags |= IDE_DFLAG_ATTACH;
}
-static void ide_cacheflush_p(ide_drive_t *drive)
+static void ide_disk_flush(ide_drive_t *drive)
{
if (ata_id_flush_enabled(drive->id) == 0 ||
(drive->dev_flags & IDE_DFLAG_WCACHE) == 0)
@@ -730,267 +699,40 @@ static void ide_cacheflush_p(ide_drive_t *drive)
printk(KERN_INFO "%s: wcache flush failed!\n", drive->name);
}
-static void ide_disk_remove(ide_drive_t *drive)
-{
- struct ide_disk_obj *idkp = drive->driver_data;
- struct gendisk *g = idkp->disk;
-
- ide_proc_unregister_driver(drive, idkp->driver);
-
- del_gendisk(g);
-
- ide_cacheflush_p(drive);
-
- ide_disk_put(idkp);
-}
-
-static void ide_disk_release(struct kref *kref)
-{
- struct ide_disk_obj *idkp = to_ide_disk(kref);
- ide_drive_t *drive = idkp->drive;
- struct gendisk *g = idkp->disk;
-
- drive->driver_data = NULL;
- g->private_data = NULL;
- put_disk(g);
- kfree(idkp);
-}
-
-static int ide_disk_probe(ide_drive_t *drive);
-
-/*
- * On HPA drives the capacity needs to be
- * reinitilized on resume otherwise the disk
- * can not be used and a hard reset is required
- */
-static void ide_disk_resume(ide_drive_t *drive)
+static int ide_disk_init_media(ide_drive_t *drive, struct gendisk *disk)
{
- if (ata_id_hpa_enabled(drive->id))
- init_idedisk_capacity(drive);
-}
-
-static void ide_device_shutdown(ide_drive_t *drive)
-{
-#ifdef CONFIG_ALPHA
- /* On Alpha, halt(8) doesn't actually turn the machine off,
- it puts you into the sort of firmware monitor. Typically,
- it's used to boot another kernel image, so it's not much
- different from reboot(8). Therefore, we don't need to
- spin down the disk in this case, especially since Alpha
- firmware doesn't handle disks in standby mode properly.
- On the other hand, it's reasonably safe to turn the power
- off when the shutdown process reaches the firmware prompt,
- as the firmware initialization takes rather long time -
- at least 10 seconds, which should be sufficient for
- the disk to expire its write cache. */
- if (system_state != SYSTEM_POWER_OFF) {
-#else
- if (system_state == SYSTEM_RESTART) {
-#endif
- ide_cacheflush_p(drive);
- return;
- }
-
- printk(KERN_INFO "Shutdown: %s\n", drive->name);
-
- drive->gendev.bus->suspend(&drive->gendev, PMSG_SUSPEND);
+ return 0;
}
-static ide_driver_t idedisk_driver = {
- .gen_driver = {
- .owner = THIS_MODULE,
- .name = "ide-disk",
- .bus = &ide_bus_type,
- },
- .probe = ide_disk_probe,
- .remove = ide_disk_remove,
- .resume = ide_disk_resume,
- .shutdown = ide_device_shutdown,
- .version = IDEDISK_VERSION,
- .do_request = ide_do_rw_disk,
- .end_request = ide_end_request,
- .error = __ide_error,
-#ifdef CONFIG_IDE_PROC_FS
- .proc = ide_disk_proc,
- .settings = ide_disk_settings,
-#endif
-};
-
-static int idedisk_set_doorlock(ide_drive_t *drive, int on)
+static int ide_disk_set_doorlock(ide_drive_t *drive, struct gendisk *disk,
+ int on)
{
ide_task_t task;
+ int ret;
+
+ if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) == 0)
+ return 0;
memset(&task, 0, sizeof(task));
task.tf.command = on ? ATA_CMD_MEDIA_LOCK : ATA_CMD_MEDIA_UNLOCK;
task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
- return ide_no_data_taskfile(drive, &task);
-}
-
-static int idedisk_open(struct inode *inode, struct file *filp)
-{
- struct gendisk *disk = inode->i_bdev->bd_disk;
- struct ide_disk_obj *idkp;
- ide_drive_t *drive;
-
- idkp = ide_disk_get(disk);
- if (idkp == NULL)
- return -ENXIO;
-
- drive = idkp->drive;
-
- idkp->openers++;
-
- if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
- check_disk_change(inode->i_bdev);
- /*
- * Ignore the return code from door_lock,
- * since the open() has already succeeded,
- * and the door_lock is irrelevant at this point.
- */
- if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) &&
- idedisk_set_doorlock(drive, 1))
- drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
- }
- return 0;
-}
-
-static int idedisk_release(struct inode *inode, struct file *filp)
-{
- struct gendisk *disk = inode->i_bdev->bd_disk;
- struct ide_disk_obj *idkp = ide_disk_g(disk);
- ide_drive_t *drive = idkp->drive;
-
- if (idkp->openers == 1)
- ide_cacheflush_p(drive);
-
- if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
- if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) &&
- idedisk_set_doorlock(drive, 0))
- drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
- }
+ ret = ide_no_data_taskfile(drive, &task);
- idkp->openers--;
+ if (ret)
+ drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
- ide_disk_put(idkp);
-
- return 0;
-}
-
-static int idedisk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
-{
- struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk);
- ide_drive_t *drive = idkp->drive;
-
- geo->heads = drive->bios_head;
- geo->sectors = drive->bios_sect;
- geo->cylinders = (u16)drive->bios_cyl; /* truncate */
- return 0;
+ return ret;
}
-static int idedisk_media_changed(struct gendisk *disk)
-{
- struct ide_disk_obj *idkp = ide_disk_g(disk);
- ide_drive_t *drive = idkp->drive;
-
- /* do not scan partitions twice if this is a removable device */
- if (drive->dev_flags & IDE_DFLAG_ATTACH) {
- drive->dev_flags &= ~IDE_DFLAG_ATTACH;
- return 0;
- }
-
- /* if removable, always assume it was changed */
- return !!(drive->dev_flags & IDE_DFLAG_REMOVABLE);
-}
-
-static int idedisk_revalidate_disk(struct gendisk *disk)
-{
- struct ide_disk_obj *idkp = ide_disk_g(disk);
- set_capacity(disk, ide_disk_capacity(idkp->drive));
- return 0;
-}
-
-static struct block_device_operations idedisk_ops = {
- .owner = THIS_MODULE,
- .open = idedisk_open,
- .release = idedisk_release,
- .ioctl = ide_disk_ioctl,
- .getgeo = idedisk_getgeo,
- .media_changed = idedisk_media_changed,
- .revalidate_disk = idedisk_revalidate_disk
+const struct ide_disk_ops ide_ata_disk_ops = {
+ .check = ide_disk_check,
+ .get_capacity = ide_disk_get_capacity,
+ .setup = ide_disk_setup,
+ .flush = ide_disk_flush,
+ .init_media = ide_disk_init_media,
+ .set_doorlock = ide_disk_set_doorlock,
+ .do_request = ide_do_rw_disk,
+ .end_request = ide_end_request,
+ .ioctl = ide_disk_ioctl,
};
-
-MODULE_DESCRIPTION("ATA DISK Driver");
-
-static int ide_disk_probe(ide_drive_t *drive)
-{
- struct ide_disk_obj *idkp;
- struct gendisk *g;
-
- /* strstr("foo", "") is non-NULL */
- if (!strstr("ide-disk", drive->driver_req))
- goto failed;
-
- if (drive->media != ide_disk)
- goto failed;
-
- idkp = kzalloc(sizeof(*idkp), GFP_KERNEL);
- if (!idkp)
- goto failed;
-
- g = alloc_disk_node(IDE_DISK_MINORS, hwif_to_node(drive->hwif));
- if (!g)
- goto out_free_idkp;
-
- ide_init_disk(g, drive);
-
- kref_init(&idkp->kref);
-
- idkp->drive = drive;
- idkp->driver = &idedisk_driver;
- idkp->disk = g;
-
- g->private_data = &idkp->driver;
-
- drive->driver_data = idkp;
-
- idedisk_setup(drive);
- if ((drive->dev_flags & IDE_DFLAG_LBA) == 0 &&
- (drive->head == 0 || drive->head > 16)) {
- printk(KERN_ERR "%s: INVALID GEOMETRY: %d PHYSICAL HEADS?\n",
- drive->name, drive->head);
- drive->dev_flags &= ~IDE_DFLAG_ATTACH;
- } else
- drive->dev_flags |= IDE_DFLAG_ATTACH;
-
- g->minors = IDE_DISK_MINORS;
- g->driverfs_dev = &drive->gendev;
- g->flags |= GENHD_FL_EXT_DEVT;
- if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
- g->flags = GENHD_FL_REMOVABLE;
- set_capacity(g, ide_disk_capacity(drive));
- g->fops = &idedisk_ops;
- add_disk(g);
- return 0;
-
-out_free_idkp:
- kfree(idkp);
-failed:
- return -ENODEV;
-}
-
-static void __exit idedisk_exit(void)
-{
- driver_unregister(&idedisk_driver.gen_driver);
-}
-
-static int __init idedisk_init(void)
-{
- return driver_register(&idedisk_driver.gen_driver);
-}
-
-MODULE_ALIAS("ide:*m-disk*");
-MODULE_ALIAS("ide-disk");
-module_init(idedisk_init);
-module_exit(idedisk_exit);
-MODULE_LICENSE("GPL");
diff --git a/drivers/ide/ide-disk.h b/drivers/ide/ide-disk.h
index a82fa435566..b234b0feaf7 100644
--- a/drivers/ide/ide-disk.h
+++ b/drivers/ide/ide-disk.h
@@ -1,19 +1,11 @@
#ifndef __IDE_DISK_H
#define __IDE_DISK_H
-struct ide_disk_obj {
- ide_drive_t *drive;
- ide_driver_t *driver;
- struct gendisk *disk;
- struct kref kref;
- unsigned int openers; /* protected by BKL for now */
-};
-
-#define ide_disk_g(disk) \
- container_of((disk)->private_data, struct ide_disk_obj, driver)
+#include "ide-gd.h"
+#ifdef CONFIG_IDE_GD_ATA
/* ide-disk.c */
-sector_t ide_disk_capacity(ide_drive_t *);
+extern const struct ide_disk_ops ide_ata_disk_ops;
ide_decl_devset(address);
ide_decl_devset(multcount);
ide_decl_devset(nowerr);
@@ -21,12 +13,17 @@ ide_decl_devset(wcache);
ide_decl_devset(acoustic);
/* ide-disk_ioctl.c */
-int ide_disk_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
+int ide_disk_ioctl(ide_drive_t *, struct inode *, struct file *, unsigned int,
+ unsigned long);
#ifdef CONFIG_IDE_PROC_FS
/* ide-disk_proc.c */
extern ide_proc_entry_t ide_disk_proc[];
extern const struct ide_proc_devset ide_disk_settings[];
#endif
+#else
+#define ide_disk_proc NULL
+#define ide_disk_settings NULL
+#endif
#endif /* __IDE_DISK_H */
diff --git a/drivers/ide/ide-disk_ioctl.c b/drivers/ide/ide-disk_ioctl.c
index a6cf1a03a80..a49698bcf96 100644
--- a/drivers/ide/ide-disk_ioctl.c
+++ b/drivers/ide/ide-disk_ioctl.c
@@ -13,12 +13,10 @@ static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = {
{ 0 }
};
-int ide_disk_ioctl(struct inode *inode, struct file *file,
+int ide_disk_ioctl(ide_drive_t *drive, struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
struct block_device *bdev = inode->i_bdev;
- struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk);
- ide_drive_t *drive = idkp->drive;
int err;
err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
diff --git a/drivers/ide/ide-disk_proc.c b/drivers/ide/ide-disk_proc.c
index 4724976afe7..1146f4204c6 100644
--- a/drivers/ide/ide-disk_proc.c
+++ b/drivers/ide/ide-disk_proc.c
@@ -56,7 +56,7 @@ static int proc_idedisk_read_capacity
ide_drive_t*drive = (ide_drive_t *)data;
int len;
- len = sprintf(page, "%llu\n", (long long)ide_disk_capacity(drive));
+ len = sprintf(page, "%llu\n", (long long)ide_gd_capacity(drive));
PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
}
diff --git a/drivers/ide/ide-dma-sff.c b/drivers/ide/ide-dma-sff.c
index 0903782689e..cac431f0df1 100644
--- a/drivers/ide/ide-dma-sff.c
+++ b/drivers/ide/ide-dma-sff.c
@@ -130,7 +130,7 @@ int ide_build_dmatable(ide_drive_t *drive, struct request *rq)
xcount = bcount & 0xffff;
if (is_trm290)
xcount = ((xcount >> 2) - 1) << 16;
- if (xcount == 0x0000) {
+ else if (xcount == 0x0000) {
if (count++ >= PRD_ENTRIES)
goto use_pio_instead;
*table++ = cpu_to_le32(0x8000);
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index cf0aa25470e..aeb1ad782f5 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -15,12 +15,6 @@
* Documentation/ide/ChangeLog.ide-floppy.1996-2002
*/
-#define DRV_NAME "ide-floppy"
-#define PFX DRV_NAME ": "
-
-#define IDEFLOPPY_VERSION "1.00"
-
-#include <linux/module.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/kernel.h>
@@ -49,19 +43,6 @@
#include "ide-floppy.h"
-/* module parameters */
-static unsigned long debug_mask;
-module_param(debug_mask, ulong, 0644);
-
-/* define to see debug info */
-#define IDEFLOPPY_DEBUG_LOG 0
-
-#if IDEFLOPPY_DEBUG_LOG
-#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, args)
-#else
-#define ide_debug_log(lvl, fmt, args...) do {} while (0)
-#endif
-
/*
* After each failed packet command we issue a request sense command and retry
* the packet command IDEFLOPPY_MAX_PC_RETRIES times.
@@ -83,43 +64,13 @@ module_param(debug_mask, ulong, 0644);
/* Error code returned in rq->errors to the higher part of the driver. */
#define IDEFLOPPY_ERROR_GENERAL 101
-static DEFINE_MUTEX(idefloppy_ref_mutex);
-
-static void idefloppy_cleanup_obj(struct kref *);
-
-static struct ide_floppy_obj *ide_floppy_get(struct gendisk *disk)
-{
- struct ide_floppy_obj *floppy = NULL;
-
- mutex_lock(&idefloppy_ref_mutex);
- floppy = ide_drv_g(disk, ide_floppy_obj);
- if (floppy) {
- if (ide_device_get(floppy->drive))
- floppy = NULL;
- else
- kref_get(&floppy->kref);
- }
- mutex_unlock(&idefloppy_ref_mutex);
- return floppy;
-}
-
-static void ide_floppy_put(struct ide_floppy_obj *floppy)
-{
- ide_drive_t *drive = floppy->drive;
-
- mutex_lock(&idefloppy_ref_mutex);
- kref_put(&floppy->kref, idefloppy_cleanup_obj);
- ide_device_put(drive);
- mutex_unlock(&idefloppy_ref_mutex);
-}
-
/*
* Used to finish servicing a request. For read/write requests, we will call
* ide_end_request to pass to the next buffer.
*/
-static int idefloppy_end_request(ide_drive_t *drive, int uptodate, int nsecs)
+static int ide_floppy_end_request(ide_drive_t *drive, int uptodate, int nsecs)
{
- idefloppy_floppy_t *floppy = drive->driver_data;
+ struct ide_disk_obj *floppy = drive->driver_data;
struct request *rq = HWGROUP(drive)->rq;
int error;
@@ -161,12 +112,12 @@ static void idefloppy_update_buffers(ide_drive_t *drive,
struct bio *bio = rq->bio;
while ((bio = rq->bio) != NULL)
- idefloppy_end_request(drive, 1, 0);
+ ide_floppy_end_request(drive, 1, 0);
}
static void ide_floppy_callback(ide_drive_t *drive, int dsc)
{
- idefloppy_floppy_t *floppy = drive->driver_data;
+ struct ide_disk_obj *floppy = drive->driver_data;
struct ide_atapi_pc *pc = drive->pc;
int uptodate = pc->error ? 0 : 1;
@@ -200,10 +151,10 @@ static void ide_floppy_callback(ide_drive_t *drive, int dsc)
"Aborting request!\n");
}
- idefloppy_end_request(drive, uptodate, 0);
+ ide_floppy_end_request(drive, uptodate, 0);
}
-static void ide_floppy_report_error(idefloppy_floppy_t *floppy,
+static void ide_floppy_report_error(struct ide_disk_obj *floppy,
struct ide_atapi_pc *pc)
{
/* supress error messages resulting from Medium not present */
@@ -222,7 +173,7 @@ static void ide_floppy_report_error(idefloppy_floppy_t *floppy,
static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
struct ide_atapi_pc *pc)
{
- idefloppy_floppy_t *floppy = drive->driver_data;
+ struct ide_disk_obj *floppy = drive->driver_data;
if (floppy->failed_pc == NULL &&
pc->c[0] != GPCMD_REQUEST_SENSE)
@@ -286,7 +237,7 @@ static void idefloppy_create_rw_cmd(ide_drive_t *drive,
struct ide_atapi_pc *pc, struct request *rq,
unsigned long sector)
{
- idefloppy_floppy_t *floppy = drive->driver_data;
+ struct ide_disk_obj *floppy = drive->driver_data;
int block = sector / floppy->bs_factor;
int blocks = rq->nr_sectors / floppy->bs_factor;
int cmd = rq_data_dir(rq);
@@ -310,7 +261,7 @@ static void idefloppy_create_rw_cmd(ide_drive_t *drive,
pc->flags |= PC_FLAG_DMA_OK;
}
-static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
+static void idefloppy_blockpc_cmd(struct ide_disk_obj *floppy,
struct ide_atapi_pc *pc, struct request *rq)
{
ide_init_pc(pc);
@@ -329,13 +280,12 @@ static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
pc->req_xfer = pc->buf_size = rq->data_len;
}
-static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
- struct request *rq, sector_t block_s)
+static ide_startstop_t ide_floppy_do_request(ide_drive_t *drive,
+ struct request *rq, sector_t block)
{
- idefloppy_floppy_t *floppy = drive->driver_data;
+ struct ide_disk_obj *floppy = drive->driver_data;
ide_hwif_t *hwif = drive->hwif;
struct ide_atapi_pc *pc;
- unsigned long block = (unsigned long)block_s;
ide_debug_log(IDE_DBG_FUNC, "%s: dev: %s, cmd: 0x%x, cmd_type: %x, "
"errors: %d\n",
@@ -353,7 +303,7 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
else
printk(KERN_ERR PFX "%s: I/O error\n", drive->name);
- idefloppy_end_request(drive, 0, 0);
+ ide_floppy_end_request(drive, 0, 0);
return ide_stopped;
}
if (blk_fs_request(rq)) {
@@ -361,11 +311,11 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
(rq->nr_sectors % floppy->bs_factor)) {
printk(KERN_ERR PFX "%s: unsupported r/w rq size\n",
drive->name);
- idefloppy_end_request(drive, 0, 0);
+ ide_floppy_end_request(drive, 0, 0);
return ide_stopped;
}
pc = &floppy->queued_pc;
- idefloppy_create_rw_cmd(drive, pc, rq, block);
+ idefloppy_create_rw_cmd(drive, pc, rq, (unsigned long)block);
} else if (blk_special_request(rq)) {
pc = (struct ide_atapi_pc *) rq->buffer;
} else if (blk_pc_request(rq)) {
@@ -373,7 +323,7 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
idefloppy_blockpc_cmd(floppy, pc, rq);
} else {
blk_dump_rq_flags(rq, PFX "unsupported command in queue");
- idefloppy_end_request(drive, 0, 0);
+ ide_floppy_end_request(drive, 0, 0);
return ide_stopped;
}
@@ -394,7 +344,7 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
*/
static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
{
- idefloppy_floppy_t *floppy = drive->driver_data;
+ struct ide_disk_obj *floppy = drive->driver_data;
struct gendisk *disk = floppy->disk;
struct ide_atapi_pc pc;
u8 *page;
@@ -410,11 +360,11 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
}
if (pc.buf[3] & 0x80)
- drive->atapi_flags |= IDE_AFLAG_WP;
+ drive->dev_flags |= IDE_DFLAG_WP;
else
- drive->atapi_flags &= ~IDE_AFLAG_WP;
+ drive->dev_flags &= ~IDE_DFLAG_WP;
- set_disk_ro(disk, !!(drive->atapi_flags & IDE_AFLAG_WP));
+ set_disk_ro(disk, !!(drive->dev_flags & IDE_DFLAG_WP));
page = &pc.buf[8];
@@ -445,7 +395,9 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
drive->name, lba_capacity, capacity);
floppy->blocks = floppy->block_size ?
capacity / floppy->block_size : 0;
+ drive->capacity64 = floppy->blocks * floppy->bs_factor;
}
+
return 0;
}
@@ -455,7 +407,7 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
*/
static int ide_floppy_get_capacity(ide_drive_t *drive)
{
- idefloppy_floppy_t *floppy = drive->driver_data;
+ struct ide_disk_obj *floppy = drive->driver_data;
struct gendisk *disk = floppy->disk;
struct ide_atapi_pc pc;
u8 *cap_desc;
@@ -466,7 +418,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
drive->bios_head = drive->bios_sect = 0;
floppy->blocks = 0;
floppy->bs_factor = 1;
- set_capacity(floppy->disk, 0);
+ drive->capacity64 = 0;
ide_floppy_create_read_capacity_cmd(&pc);
if (ide_queue_pc_tail(drive, disk, &pc)) {
@@ -523,6 +475,8 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
"non 512 bytes block size not "
"fully supported\n",
drive->name);
+ drive->capacity64 =
+ floppy->blocks * floppy->bs_factor;
rc = 0;
}
break;
@@ -547,21 +501,12 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE))
(void) ide_floppy_get_flexible_disk_page(drive);
- set_capacity(disk, floppy->blocks * floppy->bs_factor);
-
return rc;
}
-sector_t ide_floppy_capacity(ide_drive_t *drive)
-{
- idefloppy_floppy_t *floppy = drive->driver_data;
- unsigned long capacity = floppy->blocks * floppy->bs_factor;
-
- return capacity;
-}
-
-static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy)
+static void ide_floppy_setup(ide_drive_t *drive)
{
+ struct ide_disk_obj *floppy = drive->driver_data;
u16 *id = drive->id;
drive->pc_callback = ide_floppy_callback;
@@ -592,252 +537,42 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy)
blk_queue_max_sectors(drive->queue, 64);
drive->atapi_flags |= IDE_AFLAG_CLIK_DRIVE;
/* IOMEGA Clik! drives do not support lock/unlock commands */
- drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+ drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
}
(void) ide_floppy_get_capacity(drive);
ide_proc_register_driver(drive, floppy->driver);
-}
-static void ide_floppy_remove(ide_drive_t *drive)
-{
- idefloppy_floppy_t *floppy = drive->driver_data;
- struct gendisk *g = floppy->disk;
-
- ide_proc_unregister_driver(drive, floppy->driver);
-
- del_gendisk(g);
-
- ide_floppy_put(floppy);
+ drive->dev_flags |= IDE_DFLAG_ATTACH;
}
-static void idefloppy_cleanup_obj(struct kref *kref)
+static void ide_floppy_flush(ide_drive_t *drive)
{
- struct ide_floppy_obj *floppy = to_ide_drv(kref, ide_floppy_obj);
- ide_drive_t *drive = floppy->drive;
- struct gendisk *g = floppy->disk;
-
- drive->driver_data = NULL;
- g->private_data = NULL;
- put_disk(g);
- kfree(floppy);
}
-static int ide_floppy_probe(ide_drive_t *);
-
-static ide_driver_t idefloppy_driver = {
- .gen_driver = {
- .owner = THIS_MODULE,
- .name = "ide-floppy",
- .bus = &ide_bus_type,
- },
- .probe = ide_floppy_probe,
- .remove = ide_floppy_remove,
- .version = IDEFLOPPY_VERSION,
- .do_request = idefloppy_do_request,
- .end_request = idefloppy_end_request,
- .error = __ide_error,
-#ifdef CONFIG_IDE_PROC_FS
- .proc = ide_floppy_proc,
- .settings = ide_floppy_settings,
-#endif
-};
-
-static int idefloppy_open(struct inode *inode, struct file *filp)
+static int ide_floppy_init_media(ide_drive_t *drive, struct gendisk *disk)
{
- struct gendisk *disk = inode->i_bdev->bd_disk;
- struct ide_floppy_obj *floppy;
- ide_drive_t *drive;
int ret = 0;
- floppy = ide_floppy_get(disk);
- if (!floppy)
- return -ENXIO;
-
- drive = floppy->drive;
-
- ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
-
- floppy->openers++;
-
- if (floppy->openers == 1) {
- drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
- /* Just in case */
-
- if (ide_do_test_unit_ready(drive, disk))
- ide_do_start_stop(drive, disk, 1);
-
- if (ide_floppy_get_capacity(drive)
- && (filp->f_flags & O_NDELAY) == 0
- /*
- * Allow O_NDELAY to open a drive without a disk, or with an
- * unreadable disk, so that we can get the format capacity
- * of the drive or begin the format - Sam
- */
- ) {
- ret = -EIO;
- goto out_put_floppy;
- }
-
- if ((drive->atapi_flags & IDE_AFLAG_WP) && (filp->f_mode & 2)) {
- ret = -EROFS;
- goto out_put_floppy;
- }
-
- drive->atapi_flags |= IDE_AFLAG_MEDIA_CHANGED;
- ide_set_media_lock(drive, disk, 1);
- check_disk_change(inode->i_bdev);
- } else if (drive->atapi_flags & IDE_AFLAG_FORMAT_IN_PROGRESS) {
- ret = -EBUSY;
- goto out_put_floppy;
- }
- return 0;
-
-out_put_floppy:
- floppy->openers--;
- ide_floppy_put(floppy);
- return ret;
-}
-
-static int idefloppy_release(struct inode *inode, struct file *filp)
-{
- struct gendisk *disk = inode->i_bdev->bd_disk;
- struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
- ide_drive_t *drive = floppy->drive;
-
- ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
-
- if (floppy->openers == 1) {
- ide_set_media_lock(drive, disk, 0);
- drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
- }
-
- floppy->openers--;
-
- ide_floppy_put(floppy);
-
- return 0;
-}
-
-static int idefloppy_getgeo(struct block_device *bdev, struct hd_geometry *geo)
-{
- struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk,
- ide_floppy_obj);
- ide_drive_t *drive = floppy->drive;
+ if (ide_do_test_unit_ready(drive, disk))
+ ide_do_start_stop(drive, disk, 1);
- geo->heads = drive->bios_head;
- geo->sectors = drive->bios_sect;
- geo->cylinders = (u16)drive->bios_cyl; /* truncate */
- return 0;
-}
+ ret = ide_floppy_get_capacity(drive);
-static int idefloppy_media_changed(struct gendisk *disk)
-{
- struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
- ide_drive_t *drive = floppy->drive;
- int ret;
+ set_capacity(disk, ide_gd_capacity(drive));
- /* do not scan partitions twice if this is a removable device */
- if (drive->dev_flags & IDE_DFLAG_ATTACH) {
- drive->dev_flags &= ~IDE_DFLAG_ATTACH;
- return 0;
- }
- ret = !!(drive->atapi_flags & IDE_AFLAG_MEDIA_CHANGED);
- drive->atapi_flags &= ~IDE_AFLAG_MEDIA_CHANGED;
return ret;
}
-static int idefloppy_revalidate_disk(struct gendisk *disk)
-{
- struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
- set_capacity(disk, ide_floppy_capacity(floppy->drive));
- return 0;
-}
-
-static struct block_device_operations idefloppy_ops = {
- .owner = THIS_MODULE,
- .open = idefloppy_open,
- .release = idefloppy_release,
- .ioctl = ide_floppy_ioctl,
- .getgeo = idefloppy_getgeo,
- .media_changed = idefloppy_media_changed,
- .revalidate_disk = idefloppy_revalidate_disk
+const struct ide_disk_ops ide_atapi_disk_ops = {
+ .check = ide_check_atapi_device,
+ .get_capacity = ide_floppy_get_capacity,
+ .setup = ide_floppy_setup,
+ .flush = ide_floppy_flush,
+ .init_media = ide_floppy_init_media,
+ .set_doorlock = ide_set_media_lock,
+ .do_request = ide_floppy_do_request,
+ .end_request = ide_floppy_end_request,
+ .ioctl = ide_floppy_ioctl,
};
-
-static int ide_floppy_probe(ide_drive_t *drive)
-{
- idefloppy_floppy_t *floppy;
- struct gendisk *g;
-
- if (!strstr("ide-floppy", drive->driver_req))
- goto failed;
-
- if (drive->media != ide_floppy)
- goto failed;
-
- if (!ide_check_atapi_device(drive, DRV_NAME)) {
- printk(KERN_ERR PFX "%s: not supported by this version of "
- DRV_NAME "\n", drive->name);
- goto failed;
- }
- floppy = kzalloc(sizeof(idefloppy_floppy_t), GFP_KERNEL);
- if (!floppy) {
- printk(KERN_ERR PFX "%s: Can't allocate a floppy structure\n",
- drive->name);
- goto failed;
- }
-
- g = alloc_disk(1 << PARTN_BITS);
- if (!g)
- goto out_free_floppy;
-
- ide_init_disk(g, drive);
-
- kref_init(&floppy->kref);
-
- floppy->drive = drive;
- floppy->driver = &idefloppy_driver;
- floppy->disk = g;
-
- g->private_data = &floppy->driver;
-
- drive->driver_data = floppy;
-
- drive->debug_mask = debug_mask;
-
- idefloppy_setup(drive, floppy);
- drive->dev_flags |= IDE_DFLAG_ATTACH;
-
- g->minors = 1 << PARTN_BITS;
- g->driverfs_dev = &drive->gendev;
- if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
- g->flags = GENHD_FL_REMOVABLE;
- g->fops = &idefloppy_ops;
- add_disk(g);
- return 0;
-
-out_free_floppy:
- kfree(floppy);
-failed:
- return -ENODEV;
-}
-
-static void __exit idefloppy_exit(void)
-{
- driver_unregister(&idefloppy_driver.gen_driver);
-}
-
-static int __init idefloppy_init(void)
-{
- printk(KERN_INFO DRV_NAME " driver " IDEFLOPPY_VERSION "\n");
- return driver_register(&idefloppy_driver.gen_driver);
-}
-
-MODULE_ALIAS("ide:*m-floppy*");
-MODULE_ALIAS("ide-floppy");
-module_init(idefloppy_init);
-module_exit(idefloppy_exit);
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("ATAPI FLOPPY Driver");
-
diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h
index 17cf865e583..c17124dd607 100644
--- a/drivers/ide/ide-floppy.h
+++ b/drivers/ide/ide-floppy.h
@@ -1,37 +1,9 @@
#ifndef __IDE_FLOPPY_H
#define __IDE_FLOPPY_H
-/*
- * Most of our global data which we need to save even as we leave the driver
- * due to an interrupt or a timer event is stored in a variable of type
- * idefloppy_floppy_t, defined below.
- */
-typedef struct ide_floppy_obj {
- ide_drive_t *drive;
- ide_driver_t *driver;
- struct gendisk *disk;
- struct kref kref;
- unsigned int openers; /* protected by BKL for now */
-
- /* Last failed packet command */
- struct ide_atapi_pc *failed_pc;
- /* used for blk_{fs,pc}_request() requests */
- struct ide_atapi_pc queued_pc;
-
- /* Last error information */
- u8 sense_key, asc, ascq;
-
- int progress_indication;
-
- /* Device information */
- /* Current format */
- int blocks, block_size, bs_factor;
- /* Last format capacity descriptor */
- u8 cap_desc[8];
- /* Copy of the flexible disk page */
- u8 flexible_disk_page[32];
-} idefloppy_floppy_t;
+#include "ide-gd.h"
+#ifdef CONFIG_IDE_GD_ATAPI
/*
* Pages of the SELECT SENSE / MODE SENSE packet commands.
* See SFF-8070i spec.
@@ -46,17 +18,22 @@ typedef struct ide_floppy_obj {
#define IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS 0x4603
/* ide-floppy.c */
+extern const struct ide_disk_ops ide_atapi_disk_ops;
void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *, u8);
void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *);
-sector_t ide_floppy_capacity(ide_drive_t *);
/* ide-floppy_ioctl.c */
-int ide_floppy_ioctl(struct inode *, struct file *, unsigned, unsigned long);
+int ide_floppy_ioctl(ide_drive_t *, struct inode *, struct file *, unsigned int,
+ unsigned long);
#ifdef CONFIG_IDE_PROC_FS
/* ide-floppy_proc.c */
extern ide_proc_entry_t ide_floppy_proc[];
extern const struct ide_proc_devset ide_floppy_settings[];
#endif
+#else
+#define ide_floppy_proc NULL
+#define ide_floppy_settings NULL
+#endif
#endif /*__IDE_FLOPPY_H */
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
index a3a7a0809e2..409e4c15f9b 100644
--- a/drivers/ide/ide-floppy_ioctl.c
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -33,7 +33,7 @@
static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg)
{
- struct ide_floppy_obj *floppy = drive->driver_data;
+ struct ide_disk_obj *floppy = drive->driver_data;
struct ide_atapi_pc pc;
u8 header_len, desc_cnt;
int i, blocks, length, u_array_size, u_index;
@@ -113,7 +113,7 @@ static void ide_floppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b,
static int ide_floppy_get_sfrp_bit(ide_drive_t *drive)
{
- idefloppy_floppy_t *floppy = drive->driver_data;
+ struct ide_disk_obj *floppy = drive->driver_data;
struct ide_atapi_pc pc;
drive->atapi_flags &= ~IDE_AFLAG_SRFP;
@@ -132,17 +132,17 @@ static int ide_floppy_get_sfrp_bit(ide_drive_t *drive)
static int ide_floppy_format_unit(ide_drive_t *drive, int __user *arg)
{
- idefloppy_floppy_t *floppy = drive->driver_data;
+ struct ide_disk_obj *floppy = drive->driver_data;
struct ide_atapi_pc pc;
int blocks, length, flags, err = 0;
if (floppy->openers > 1) {
/* Don't format if someone is using the disk */
- drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
+ drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
return -EBUSY;
}
- drive->atapi_flags |= IDE_AFLAG_FORMAT_IN_PROGRESS;
+ drive->dev_flags |= IDE_DFLAG_FORMAT_IN_PROGRESS;
/*
* Send ATAPI_FORMAT_UNIT to the drive.
@@ -174,7 +174,7 @@ static int ide_floppy_format_unit(ide_drive_t *drive, int __user *arg)
out:
if (err)
- drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
+ drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
return err;
}
@@ -190,7 +190,7 @@ out:
static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg)
{
- idefloppy_floppy_t *floppy = drive->driver_data;
+ struct ide_disk_obj *floppy = drive->driver_data;
struct ide_atapi_pc pc;
int progress_indication = 0x10000;
@@ -226,7 +226,7 @@ static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg)
static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc,
unsigned long arg, unsigned int cmd)
{
- idefloppy_floppy_t *floppy = drive->driver_data;
+ struct ide_disk_obj *floppy = drive->driver_data;
struct gendisk *disk = floppy->disk;
int prevent = (arg && cmd != CDROMEJECT) ? 1 : 0;
@@ -260,13 +260,10 @@ static int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
}
}
-int ide_floppy_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+int ide_floppy_ioctl(ide_drive_t *drive, struct inode *inode,
+ struct file *file, unsigned int cmd, unsigned long arg)
{
struct block_device *bdev = inode->i_bdev;
- struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk,
- ide_floppy_obj);
- ide_drive_t *drive = floppy->drive;
struct ide_atapi_pc pc;
void __user *argp = (void __user *)arg;
int err;
diff --git a/drivers/ide/ide-floppy_proc.c b/drivers/ide/ide-floppy_proc.c
index 76f0c6c4eca..3ec762cb60a 100644
--- a/drivers/ide/ide-floppy_proc.c
+++ b/drivers/ide/ide-floppy_proc.c
@@ -9,7 +9,7 @@ static int proc_idefloppy_read_capacity(char *page, char **start, off_t off,
ide_drive_t*drive = (ide_drive_t *)data;
int len;
- len = sprintf(page, "%llu\n", (long long)ide_floppy_capacity(drive));
+ len = sprintf(page, "%llu\n", (long long)ide_gd_capacity(drive));
PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
}
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
new file mode 100644
index 00000000000..d44898f46c3
--- /dev/null
+++ b/drivers/ide/ide-gd.c
@@ -0,0 +1,398 @@
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/genhd.h>
+#include <linux/mutex.h>
+#include <linux/ide.h>
+#include <linux/hdreg.h>
+
+#if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT)
+#define IDE_DISK_MINORS (1 << PARTN_BITS)
+#else
+#define IDE_DISK_MINORS 0
+#endif
+
+#include "ide-disk.h"
+#include "ide-floppy.h"
+
+#define IDE_GD_VERSION "1.18"
+
+/* module parameters */
+static unsigned long debug_mask;
+module_param(debug_mask, ulong, 0644);
+
+static DEFINE_MUTEX(ide_disk_ref_mutex);
+
+static void ide_disk_release(struct kref *);
+
+static struct ide_disk_obj *ide_disk_get(struct gendisk *disk)
+{
+ struct ide_disk_obj *idkp = NULL;
+
+ mutex_lock(&ide_disk_ref_mutex);
+ idkp = ide_drv_g(disk, ide_disk_obj);
+ if (idkp) {
+ if (ide_device_get(idkp->drive))
+ idkp = NULL;
+ else
+ kref_get(&idkp->kref);
+ }
+ mutex_unlock(&ide_disk_ref_mutex);
+ return idkp;
+}
+
+static void ide_disk_put(struct ide_disk_obj *idkp)
+{
+ ide_drive_t *drive = idkp->drive;
+
+ mutex_lock(&ide_disk_ref_mutex);
+ kref_put(&idkp->kref, ide_disk_release);
+ ide_device_put(drive);
+ mutex_unlock(&ide_disk_ref_mutex);
+}
+
+sector_t ide_gd_capacity(ide_drive_t *drive)
+{
+ return drive->capacity64;
+}
+
+static int ide_gd_probe(ide_drive_t *);
+
+static void ide_gd_remove(ide_drive_t *drive)
+{
+ struct ide_disk_obj *idkp = drive->driver_data;
+ struct gendisk *g = idkp->disk;
+
+ ide_proc_unregister_driver(drive, idkp->driver);
+
+ del_gendisk(g);
+
+ drive->disk_ops->flush(drive);
+
+ ide_disk_put(idkp);
+}
+
+static void ide_disk_release(struct kref *kref)
+{
+ struct ide_disk_obj *idkp = to_ide_drv(kref, ide_disk_obj);
+ ide_drive_t *drive = idkp->drive;
+ struct gendisk *g = idkp->disk;
+
+ drive->disk_ops = NULL;
+ drive->driver_data = NULL;
+ g->private_data = NULL;
+ put_disk(g);
+ kfree(idkp);
+}
+
+/*
+ * On HPA drives the capacity needs to be
+ * reinitilized on resume otherwise the disk
+ * can not be used and a hard reset is required
+ */
+static void ide_gd_resume(ide_drive_t *drive)
+{
+ if (ata_id_hpa_enabled(drive->id))
+ (void)drive->disk_ops->get_capacity(drive);
+}
+
+static void ide_gd_shutdown(ide_drive_t *drive)
+{
+#ifdef CONFIG_ALPHA
+ /* On Alpha, halt(8) doesn't actually turn the machine off,
+ it puts you into the sort of firmware monitor. Typically,
+ it's used to boot another kernel image, so it's not much
+ different from reboot(8). Therefore, we don't need to
+ spin down the disk in this case, especially since Alpha
+ firmware doesn't handle disks in standby mode properly.
+ On the other hand, it's reasonably safe to turn the power
+ off when the shutdown process reaches the firmware prompt,
+ as the firmware initialization takes rather long time -
+ at least 10 seconds, which should be sufficient for
+ the disk to expire its write cache. */
+ if (system_state != SYSTEM_POWER_OFF) {
+#else
+ if (system_state == SYSTEM_RESTART) {
+#endif
+ drive->disk_ops->flush(drive);
+ return;
+ }
+
+ printk(KERN_INFO "Shutdown: %s\n", drive->name);
+
+ drive->gendev.bus->suspend(&drive->gendev, PMSG_SUSPEND);
+}
+
+#ifdef CONFIG_IDE_PROC_FS
+static ide_proc_entry_t *ide_disk_proc_entries(ide_drive_t *drive)
+{
+ return (drive->media == ide_disk) ? ide_disk_proc : ide_floppy_proc;
+}
+
+static const struct ide_proc_devset *ide_disk_proc_devsets(ide_drive_t *drive)
+{
+ return (drive->media == ide_disk) ? ide_disk_settings
+ : ide_floppy_settings;
+}
+#endif
+
+static ide_startstop_t ide_gd_do_request(ide_drive_t *drive,
+ struct request *rq, sector_t sector)
+{
+ return drive->disk_ops->do_request(drive, rq, sector);
+}
+
+static int ide_gd_end_request(ide_drive_t *drive, int uptodate, int nrsecs)
+{
+ return drive->disk_ops->end_request(drive, uptodate, nrsecs);
+}
+
+static ide_driver_t ide_gd_driver = {
+ .gen_driver = {
+ .owner = THIS_MODULE,
+ .name = "ide-gd",
+ .bus = &ide_bus_type,
+ },
+ .probe = ide_gd_probe,
+ .remove = ide_gd_remove,
+ .resume = ide_gd_resume,
+ .shutdown = ide_gd_shutdown,
+ .version = IDE_GD_VERSION,
+ .do_request = ide_gd_do_request,
+ .end_request = ide_gd_end_request,
+ .error = __ide_error,
+#ifdef CONFIG_IDE_PROC_FS
+ .proc_entries = ide_disk_proc_entries,
+ .proc_devsets = ide_disk_proc_devsets,
+#endif
+};
+
+static int ide_gd_open(struct inode *inode, struct file *filp)
+{
+ struct gendisk *disk = inode->i_bdev->bd_disk;
+ struct ide_disk_obj *idkp;
+ ide_drive_t *drive;
+ int ret = 0;
+
+ idkp = ide_disk_get(disk);
+ if (idkp == NULL)
+ return -ENXIO;
+
+ drive = idkp->drive;
+
+ ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
+ idkp->openers++;
+
+ if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
+ drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
+ /* Just in case */
+
+ ret = drive->disk_ops->init_media(drive, disk);
+
+ /*
+ * Allow O_NDELAY to open a drive without a disk, or with an
+ * unreadable disk, so that we can get the format capacity
+ * of the drive or begin the format - Sam
+ */
+ if (ret && (filp->f_flags & O_NDELAY) == 0) {
+ ret = -EIO;
+ goto out_put_idkp;
+ }
+
+ if ((drive->dev_flags & IDE_DFLAG_WP) && (filp->f_mode & 2)) {
+ ret = -EROFS;
+ goto out_put_idkp;
+ }
+
+ /*
+ * Ignore the return code from door_lock,
+ * since the open() has already succeeded,
+ * and the door_lock is irrelevant at this point.
+ */
+ drive->disk_ops->set_doorlock(drive, disk, 1);
+ drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
+ check_disk_change(inode->i_bdev);
+ } else if (drive->dev_flags & IDE_DFLAG_FORMAT_IN_PROGRESS) {
+ ret = -EBUSY;
+ goto out_put_idkp;
+ }
+ return 0;
+
+out_put_idkp:
+ idkp->openers--;
+ ide_disk_put(idkp);
+ return ret;
+}
+
+static int ide_gd_release(struct inode *inode, struct file *filp)
+{
+ struct gendisk *disk = inode->i_bdev->bd_disk;
+ struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
+ ide_drive_t *drive = idkp->drive;
+
+ ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
+ if (idkp->openers == 1)
+ drive->disk_ops->flush(drive);
+
+ if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
+ drive->disk_ops->set_doorlock(drive, disk, 0);
+ drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
+ }
+
+ idkp->openers--;
+
+ ide_disk_put(idkp);
+
+ return 0;
+}
+
+static int ide_gd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
+{
+ struct ide_disk_obj *idkp = ide_drv_g(bdev->bd_disk, ide_disk_obj);
+ ide_drive_t *drive = idkp->drive;
+
+ geo->heads = drive->bios_head;
+ geo->sectors = drive->bios_sect;
+ geo->cylinders = (u16)drive->bios_cyl; /* truncate */
+ return 0;
+}
+
+static int ide_gd_media_changed(struct gendisk *disk)
+{
+ struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
+ ide_drive_t *drive = idkp->drive;
+ int ret;
+
+ /* do not scan partitions twice if this is a removable device */
+ if (drive->dev_flags & IDE_DFLAG_ATTACH) {
+ drive->dev_flags &= ~IDE_DFLAG_ATTACH;
+ return 0;
+ }
+
+ ret = !!(drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED);
+ drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED;
+
+ return ret;
+}
+
+static int ide_gd_revalidate_disk(struct gendisk *disk)
+{
+ struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
+ set_capacity(disk, ide_gd_capacity(idkp->drive));
+ return 0;
+}
+
+static int ide_gd_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ struct block_device *bdev = inode->i_bdev;
+ struct ide_disk_obj *idkp = ide_drv_g(bdev->bd_disk, ide_disk_obj);
+ ide_drive_t *drive = idkp->drive;
+
+ return drive->disk_ops->ioctl(drive, inode, file, cmd, arg);
+}
+
+static struct block_device_operations ide_gd_ops = {
+ .owner = THIS_MODULE,
+ .open = ide_gd_open,
+ .release = ide_gd_release,
+ .ioctl = ide_gd_ioctl,
+ .getgeo = ide_gd_getgeo,
+ .media_changed = ide_gd_media_changed,
+ .revalidate_disk = ide_gd_revalidate_disk
+};
+
+static int ide_gd_probe(ide_drive_t *drive)
+{
+ const struct ide_disk_ops *disk_ops = NULL;
+ struct ide_disk_obj *idkp;
+ struct gendisk *g;
+
+ /* strstr("foo", "") is non-NULL */
+ if (!strstr("ide-gd", drive->driver_req))
+ goto failed;
+
+#ifdef CONFIG_IDE_GD_ATA
+ if (drive->media == ide_disk)
+ disk_ops = &ide_ata_disk_ops;
+#endif
+#ifdef CONFIG_IDE_GD_ATAPI
+ if (drive->media == ide_floppy)
+ disk_ops = &ide_atapi_disk_ops;
+#endif
+ if (disk_ops == NULL)
+ goto failed;
+
+ if (disk_ops->check(drive, DRV_NAME) == 0) {
+ printk(KERN_ERR PFX "%s: not supported by this driver\n",
+ drive->name);
+ goto failed;
+ }
+
+ idkp = kzalloc(sizeof(*idkp), GFP_KERNEL);
+ if (!idkp) {
+ printk(KERN_ERR PFX "%s: can't allocate a disk structure\n",
+ drive->name);
+ goto failed;
+ }
+
+ g = alloc_disk_node(IDE_DISK_MINORS, hwif_to_node(drive->hwif));
+ if (!g)
+ goto out_free_idkp;
+
+ ide_init_disk(g, drive);
+
+ kref_init(&idkp->kref);
+
+ idkp->drive = drive;
+ idkp->driver = &ide_gd_driver;
+ idkp->disk = g;
+
+ g->private_data = &idkp->driver;
+
+ drive->driver_data = idkp;
+ drive->debug_mask = debug_mask;
+ drive->disk_ops = disk_ops;
+
+ disk_ops->setup(drive);
+
+ set_capacity(g, ide_gd_capacity(drive));
+
+ g->minors = IDE_DISK_MINORS;
+ g->driverfs_dev = &drive->gendev;
+ g->flags |= GENHD_FL_EXT_DEVT;
+ if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
+ g->flags = GENHD_FL_REMOVABLE;
+ g->fops = &ide_gd_ops;
+ add_disk(g);
+ return 0;
+
+out_free_idkp:
+ kfree(idkp);
+failed:
+ return -ENODEV;
+}
+
+static int __init ide_gd_init(void)
+{
+ printk(KERN_INFO DRV_NAME " driver " IDE_GD_VERSION "\n");
+ return driver_register(&ide_gd_driver.gen_driver);
+}
+
+static void __exit ide_gd_exit(void)
+{
+ driver_unregister(&ide_gd_driver.gen_driver);
+}
+
+MODULE_ALIAS("ide:*m-disk*");
+MODULE_ALIAS("ide-disk");
+MODULE_ALIAS("ide:*m-floppy*");
+MODULE_ALIAS("ide-floppy");
+module_init(ide_gd_init);
+module_exit(ide_gd_exit);
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("generic ATA/ATAPI disk driver");
diff --git a/drivers/ide/ide-gd.h b/drivers/ide/ide-gd.h
new file mode 100644
index 00000000000..7d3d101713e
--- /dev/null
+++ b/drivers/ide/ide-gd.h
@@ -0,0 +1,44 @@
+#ifndef __IDE_GD_H
+#define __IDE_GD_H
+
+#define DRV_NAME "ide-gd"
+#define PFX DRV_NAME ": "
+
+/* define to see debug info */
+#define IDE_GD_DEBUG_LOG 0
+
+#if IDE_GD_DEBUG_LOG
+#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, args)
+#else
+#define ide_debug_log(lvl, fmt, args...) do {} while (0)
+#endif
+
+struct ide_disk_obj {
+ ide_drive_t *drive;
+ ide_driver_t *driver;
+ struct gendisk *disk;
+ struct kref kref;
+ unsigned int openers; /* protected by BKL for now */
+
+ /* Last failed packet command */
+ struct ide_atapi_pc *failed_pc;
+ /* used for blk_{fs,pc}_request() requests */
+ struct ide_atapi_pc queued_pc;
+
+ /* Last error information */
+ u8 sense_key, asc, ascq;
+
+ int progress_indication;
+
+ /* Device information */
+ /* Current format */
+ int blocks, block_size, bs_factor;
+ /* Last format capacity descriptor */
+ u8 cap_desc[8];
+ /* Copy of the flexible disk page */
+ u8 flexible_disk_page[32];
+};
+
+sector_t ide_gd_capacity(ide_drive_t *);
+
+#endif /* __IDE_GD_H */
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index b762deb2dac..bb7a1ed8094 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -755,7 +755,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
udelay(1);
SELECT_DRIVE(drive);
- SELECT_MASK(drive, 0);
+ SELECT_MASK(drive, 1);
udelay(1);
tp_ops->set_irq(hwif, 0);
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 19f8c7770a2..1649ea54f76 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -208,6 +208,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
drive->ready_stat = 0;
if (ata_id_cdb_intr(id))
drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT;
+ drive->dev_flags |= IDE_DFLAG_DOORLOCKING;
/* we don't do head unloading on ATAPI devices */
drive->dev_flags |= IDE_DFLAG_NO_UNLOAD;
return;
diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index b26926487cc..c31d0dd7a53 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -567,10 +567,10 @@ static void ide_remove_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t
void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver)
{
mutex_lock(&ide_setting_mtx);
- drive->settings = driver->settings;
+ drive->settings = driver->proc_devsets(drive);
mutex_unlock(&ide_setting_mtx);
- ide_add_proc_entries(drive->proc, driver->proc, drive);
+ ide_add_proc_entries(drive->proc, driver->proc_entries(drive), drive);
}
EXPORT_SYMBOL(ide_proc_register_driver);
@@ -591,7 +591,7 @@ void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver)
{
unsigned long flags;
- ide_remove_proc_entries(drive->proc, driver->proc);
+ ide_remove_proc_entries(drive->proc, driver->proc_entries(drive));
mutex_lock(&ide_setting_mtx);
spin_lock_irqsave(&ide_lock, flags);
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index d879c7797cd..b2b2e5e8d38 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -2108,7 +2108,7 @@ static void idetape_get_mode_sense_results(ide_drive_t *drive)
/* device lacks locking support according to capabilities page */
if ((caps[6] & 1) == 0)
- drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+ drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
if (caps[7] & 0x02)
tape->blk_size = 512;
@@ -2298,6 +2298,16 @@ static ide_proc_entry_t idetape_proc[] = {
{ "name", S_IFREG|S_IRUGO, proc_idetape_read_name, NULL },
{ NULL, 0, NULL, NULL }
};
+
+static ide_proc_entry_t *ide_tape_proc_entries(ide_drive_t *drive)
+{
+ return idetape_proc;
+}
+
+static const struct ide_proc_devset *ide_tape_proc_devsets(ide_drive_t *drive)
+{
+ return idetape_settings;
+}
#endif
static int ide_tape_probe(ide_drive_t *);
@@ -2315,8 +2325,8 @@ static ide_driver_t idetape_driver = {
.end_request = idetape_end_request,
.error = __ide_error,
#ifdef CONFIG_IDE_PROC_FS
- .proc = idetape_proc,
- .settings = idetape_settings,
+ .proc_entries = ide_tape_proc_entries,
+ .proc_devsets = ide_tape_proc_devsets,
#endif
};
diff --git a/drivers/ide/pci/Makefile b/drivers/ide/pci/Makefile
index 02e6ee7d751..ab44a1f5f5a 100644
--- a/drivers/ide/pci/Makefile
+++ b/drivers/ide/pci/Makefile
@@ -11,7 +11,6 @@ obj-$(CONFIG_BLK_DEV_CS5535) += cs5535.o
obj-$(CONFIG_BLK_DEV_SC1200) += sc1200.o
obj-$(CONFIG_BLK_DEV_CY82C693) += cy82c693.o
obj-$(CONFIG_BLK_DEV_DELKIN) += delkin_cb.o
-obj-$(CONFIG_BLK_DEV_HPT34X) += hpt34x.o
obj-$(CONFIG_BLK_DEV_HPT366) += hpt366.o
obj-$(CONFIG_BLK_DEV_IT8213) += it8213.o
obj-$(CONFIG_BLK_DEV_IT821X) += it821x.o
diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/pci/delkin_cb.c
index 8689a706f53..8f1b2d9f051 100644
--- a/drivers/ide/pci/delkin_cb.c
+++ b/drivers/ide/pci/delkin_cb.c
@@ -46,10 +46,27 @@ static const struct ide_port_ops delkin_cb_port_ops = {
.quirkproc = ide_undecoded_slave,
};
+static unsigned int delkin_cb_init_chipset(struct pci_dev *dev)
+{
+ unsigned long base = pci_resource_start(dev, 0);
+ int i;
+
+ outb(0x02, base + 0x1e); /* set nIEN to block interrupts */
+ inb(base + 0x17); /* read status to clear interrupts */
+
+ for (i = 0; i < sizeof(setup); ++i) {
+ if (setup[i])
+ outb(setup[i], base + i);
+ }
+
+ return 0;
+}
+
static const struct ide_port_info delkin_cb_port_info = {
.port_ops = &delkin_cb_port_ops,
.host_flags = IDE_HFLAG_IO_32BIT | IDE_HFLAG_UNMASK_IRQS |
IDE_HFLAG_NO_DMA,
+ .init_chipset = delkin_cb_init_chipset,
};
static int __devinit
@@ -57,7 +74,7 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
{
struct ide_host *host;
unsigned long base;
- int i, rc;
+ int rc;
hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
rc = pci_enable_device(dev);
@@ -72,12 +89,8 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
return rc;
}
base = pci_resource_start(dev, 0);
- outb(0x02, base + 0x1e); /* set nIEN to block interrupts */
- inb(base + 0x17); /* read status to clear interrupts */
- for (i = 0; i < sizeof(setup); ++i) {
- if (setup[i])
- outb(setup[i], base + i);
- }
+
+ delkin_cb_init_chipset(dev);
memset(&hw, 0, sizeof(hw));
ide_std_init_ports(&hw, base + 0x10, base + 0x1e);
@@ -110,6 +123,40 @@ delkin_cb_remove (struct pci_dev *dev)
pci_disable_device(dev);
}
+#ifdef CONFIG_PM
+static int delkin_cb_suspend(struct pci_dev *dev, pm_message_t state)
+{
+ pci_save_state(dev);
+ pci_disable_device(dev);
+ pci_set_power_state(dev, pci_choose_state(dev, state));
+
+ return 0;
+}
+
+static int delkin_cb_resume(struct pci_dev *dev)
+{
+ struct ide_host *host = pci_get_drvdata(dev);
+ int rc;
+
+ pci_set_power_state(dev, PCI_D0);
+
+ rc = pci_enable_device(dev);
+ if (rc)
+ return rc;
+
+ pci_restore_state(dev);
+ pci_set_master(dev);
+
+ if (host->init_chipset)
+ host->init_chipset(dev);
+
+ return 0;
+}
+#else
+#define delkin_cb_suspend NULL
+#define delkin_cb_resume NULL
+#endif
+
static struct pci_device_id delkin_cb_pci_tbl[] __devinitdata = {
{ 0x1145, 0xf021, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ 0x1145, 0xf024, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
@@ -122,6 +169,8 @@ static struct pci_driver delkin_cb_pci_driver = {
.id_table = delkin_cb_pci_tbl,
.probe = delkin_cb_probe,
.remove = delkin_cb_remove,
+ .suspend = delkin_cb_suspend,
+ .resume = delkin_cb_resume,
};
static int __init delkin_cb_init(void)
diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c
deleted file mode 100644
index fb1a3aa57f0..00000000000
--- a/drivers/ide/pci/hpt34x.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
- *
- * May be copied or modified under the terms of the GNU General Public License
- *
- *
- * 00:12.0 Unknown mass storage controller:
- * Triones Technologies, Inc.
- * Unknown device 0003 (rev 01)
- *
- * hde: UDMA 2 (0x0000 0x0002) (0x0000 0x0010)
- * hdf: UDMA 2 (0x0002 0x0012) (0x0010 0x0030)
- * hde: DMA 2 (0x0000 0x0002) (0x0000 0x0010)
- * hdf: DMA 2 (0x0002 0x0012) (0x0010 0x0030)
- * hdg: DMA 1 (0x0012 0x0052) (0x0030 0x0070)
- * hdh: DMA 1 (0x0052 0x0252) (0x0070 0x00f0)
- *
- * ide-pci.c reference
- *
- * Since there are two cards that report almost identically,
- * the only discernable difference is the values reported in pcicmd.
- * Booting-BIOS card or HPT363 :: pcicmd == 0x07
- * Non-bootable card or HPT343 :: pcicmd == 0x05
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/ioport.h>
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/ide.h>
-
-#define DRV_NAME "hpt34x"
-
-#define HPT343_DEBUG_DRIVE_INFO 0
-
-static void hpt34x_set_mode(ide_drive_t *drive, const u8 speed)
-{
- struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
- u32 reg1= 0, tmp1 = 0, reg2 = 0, tmp2 = 0;
- u8 hi_speed, lo_speed;
-
- hi_speed = speed >> 4;
- lo_speed = speed & 0x0f;
-
- if (hi_speed & 7) {
- hi_speed = (hi_speed & 4) ? 0x01 : 0x10;
- } else {
- lo_speed <<= 5;
- lo_speed >>= 5;
- }
-
- pci_read_config_dword(dev, 0x44, &reg1);
- pci_read_config_dword(dev, 0x48, &reg2);
- tmp1 = ((lo_speed << (3*drive->dn)) | (reg1 & ~(7 << (3*drive->dn))));
- tmp2 = ((hi_speed << drive->dn) | (reg2 & ~(0x11 << drive->dn)));
- pci_write_config_dword(dev, 0x44, tmp1);
- pci_write_config_dword(dev, 0x48, tmp2);
-
-#if HPT343_DEBUG_DRIVE_INFO
- printk("%s: %s drive%d (0x%04x 0x%04x) (0x%04x 0x%04x)" \
- " (0x%02x 0x%02x)\n",
- drive->name, ide_xfer_verbose(speed),
- drive->dn, reg1, tmp1, reg2, tmp2,
- hi_speed, lo_speed);
-#endif /* HPT343_DEBUG_DRIVE_INFO */
-}
-
-static void hpt34x_set_pio_mode(ide_drive_t *drive, const u8 pio)
-{
- hpt34x_set_mode(drive, XFER_PIO_0 + pio);
-}
-
-/*
- * If the BIOS does not set the IO base addaress to XX00, 343 will fail.
- */
-#define HPT34X_PCI_INIT_REG 0x80
-
-static unsigned int init_chipset_hpt34x(struct pci_dev *dev)
-{
- int i = 0;
- unsigned long hpt34xIoBase = pci_resource_start(dev, 4);
- unsigned long hpt_addr[4] = { 0x20, 0x34, 0x28, 0x3c };
- unsigned long hpt_addr_len[4] = { 7, 3, 7, 3 };
- u16 cmd;
- unsigned long flags;
-
- local_irq_save(flags);
-
- pci_write_config_byte(dev, HPT34X_PCI_INIT_REG, 0x00);
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
-
- if (cmd & PCI_COMMAND_MEMORY)
- pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0);
- else
- pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20);
-
- /*
- * Since 20-23 can be assigned and are R/W, we correct them.
- */
- pci_write_config_word(dev, PCI_COMMAND, cmd & ~PCI_COMMAND_IO);
- for(i=0; i<4; i++) {
- dev->resource[i].start = (hpt34xIoBase + hpt_addr[i]);
- dev->resource[i].end = dev->resource[i].start + hpt_addr_len[i];
- dev->resource[i].flags = IORESOURCE_IO;
- pci_write_config_dword(dev,
- (PCI_BASE_ADDRESS_0 + (i * 4)),
- dev->resource[i].start);
- }
- pci_write_config_word(dev, PCI_COMMAND, cmd);
-
- local_irq_restore(flags);
-
- return dev->irq;
-}
-
-static const struct ide_port_ops hpt34x_port_ops = {
- .set_pio_mode = hpt34x_set_pio_mode,
- .set_dma_mode = hpt34x_set_mode,
-};
-
-#define IDE_HFLAGS_HPT34X \
- (IDE_HFLAG_NO_ATAPI_DMA | \
- IDE_HFLAG_NO_DSC | \
- IDE_HFLAG_NO_AUTODMA)
-
-static const struct ide_port_info hpt34x_chipsets[] __devinitdata = {
- { /* 0: HPT343 */
- .name = DRV_NAME,
- .init_chipset = init_chipset_hpt34x,
- .port_ops = &hpt34x_port_ops,
- .host_flags = IDE_HFLAGS_HPT34X | IDE_HFLAG_NON_BOOTABLE,
- .pio_mask = ATA_PIO5,
- },
- { /* 1: HPT345 */
- .name = DRV_NAME,
- .init_chipset = init_chipset_hpt34x,
- .port_ops = &hpt34x_port_ops,
- .host_flags = IDE_HFLAGS_HPT34X | IDE_HFLAG_OFF_BOARD,
- .pio_mask = ATA_PIO5,
-#ifdef CONFIG_HPT34X_AUTODMA
- .swdma_mask = ATA_SWDMA2,
- .mwdma_mask = ATA_MWDMA2,
- .udma_mask = ATA_UDMA2,
-#endif
- }
-};
-
-static int __devinit hpt34x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
-{
- const struct ide_port_info *d;
- u16 pcicmd = 0;
-
- pci_read_config_word(dev, PCI_COMMAND, &pcicmd);
-
- d = &hpt34x_chipsets[(pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0];
-
- return ide_pci_init_one(dev, d, NULL);
-}
-
-static const struct pci_device_id hpt34x_pci_tbl[] = {
- { PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT343), 0 },
- { 0, },
-};
-MODULE_DEVICE_TABLE(pci, hpt34x_pci_tbl);
-
-static struct pci_driver hpt34x_pci_driver = {
- .name = "HPT34x_IDE",
- .id_table = hpt34x_pci_tbl,
- .probe = hpt34x_init_one,
- .remove = ide_pci_remove,
- .suspend = ide_pci_suspend,
- .resume = ide_pci_resume,
-};
-
-static int __init hpt34x_ide_init(void)
-{
- return ide_pci_register_driver(&hpt34x_pci_driver);
-}
-
-static void __exit hpt34x_ide_exit(void)
-{
- pci_unregister_driver(&hpt34x_pci_driver);
-}
-
-module_init(hpt34x_ide_init);
-module_exit(hpt34x_ide_exit);
-
-MODULE_AUTHOR("Andre Hedrick");
-MODULE_DESCRIPTION("PCI driver module for Highpoint 34x IDE");
-MODULE_LICENSE("GPL");
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index 9cf171cb937..a7909e9c720 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -3,7 +3,7 @@
* Portions Copyright (C) 2001 Sun Microsystems, Inc.
* Portions Copyright (C) 2003 Red Hat Inc
* Portions Copyright (C) 2007 Bartlomiej Zolnierkiewicz
- * Portions Copyright (C) 2005-2007 MontaVista Software, Inc.
+ * Portions Copyright (C) 2005-2008 MontaVista Software, Inc.
*
* Thanks to HighPoint Technologies for their assistance, and hardware.
* Special Thanks to Jon Burchmore in SanDiego for the deep pockets, his
@@ -748,26 +748,24 @@ static void hpt3xx_maskproc(ide_drive_t *drive, int mask)
struct pci_dev *dev = to_pci_dev(hwif->dev);
struct hpt_info *info = hpt3xx_get_info(hwif->dev);
- if (drive->quirk_list) {
- if (info->chip_type >= HPT370) {
- u8 scr1 = 0;
-
- pci_read_config_byte(dev, 0x5a, &scr1);
- if (((scr1 & 0x10) >> 4) != mask) {
- if (mask)
- scr1 |= 0x10;
- else
- scr1 &= ~0x10;
- pci_write_config_byte(dev, 0x5a, scr1);
- }
- } else {
+ if (drive->quirk_list == 0)
+ return;
+
+ if (info->chip_type >= HPT370) {
+ u8 scr1 = 0;
+
+ pci_read_config_byte(dev, 0x5a, &scr1);
+ if (((scr1 & 0x10) >> 4) != mask) {
if (mask)
- disable_irq(hwif->irq);
+ scr1 |= 0x10;
else
- enable_irq (hwif->irq);
+ scr1 &= ~0x10;
+ pci_write_config_byte(dev, 0x5a, scr1);
}
- } else
- outb(ATA_DEVCTL_OBS | (mask ? 2 : 0), hwif->io_ports.ctl_addr);
+ } else if (mask)
+ disable_irq(hwif->irq);
+ else
+ enable_irq(hwif->irq);
}
/*
@@ -1289,7 +1287,6 @@ static u8 hpt3xx_cable_detect(ide_hwif_t *hwif)
static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
{
- struct pci_dev *dev = to_pci_dev(hwif->dev);
struct hpt_info *info = hpt3xx_get_info(hwif->dev);
int serialize = HPT_SERIALIZE_IO;
u8 chip_type = info->chip_type;
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index 9ce1d805992..49f163aa51e 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -617,7 +617,6 @@ static int __devinit init_setup_scc(struct pci_dev *dev,
unsigned long intmask_port;
unsigned long mode_port;
unsigned long ecmode_port;
- unsigned long dma_status_port;
u32 reg = 0;
struct scc_ports *ports;
int rc;
@@ -637,7 +636,6 @@ static int __devinit init_setup_scc(struct pci_dev *dev,
intmask_port = dma_base + 0x010;
mode_port = ctl_base + 0x024;
ecmode_port = ctl_base + 0xf00;
- dma_status_port = dma_base + 0x004;
/* controller initialization */
reg = 0;
@@ -843,8 +841,6 @@ static u8 scc_cable_detect(ide_hwif_t *hwif)
static void __devinit init_hwif_scc(ide_hwif_t *hwif)
{
- struct scc_ports *ports = ide_get_hwifdata(hwif);
-
/* PTERADD */
out_be32((void __iomem *)(hwif->dma_base + 0x018), hwif->dmatable_dma);
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index dd634541ce3..8af9b23499f 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -101,18 +101,8 @@ sgiioc4_init_hwif_ports(hw_regs_t * hw, unsigned long data_port,
for (i = 0; i <= 7; i++)
hw->io_ports_array[i] = reg + i * 4;
- if (ctrl_port)
- hw->io_ports.ctl_addr = ctrl_port;
-
- if (irq_port)
- hw->io_ports.irq_addr = irq_port;
-}
-
-static void
-sgiioc4_maskproc(ide_drive_t * drive, int mask)
-{
- writeb(ATA_DEVCTL_OBS | (mask ? 2 : 0),
- (void __iomem *)drive->hwif->io_ports.ctl_addr);
+ hw->io_ports.ctl_addr = ctrl_port;
+ hw->io_ports.irq_addr = irq_port;
}
static int
@@ -310,16 +300,14 @@ static u8 sgiioc4_read_status(ide_hwif_t *hwif)
unsigned long port = hwif->io_ports.status_addr;
u8 reg = (u8) readb((void __iomem *) port);
- if ((port & 0xFFF) == 0x11C) { /* Status register of IOC4 */
- if (!(reg & ATA_BUSY)) { /* Not busy... check for interrupt */
- unsigned long other_ir = port - 0x110;
- unsigned int intr_reg = (u32) readl((void __iomem *) other_ir);
+ if (!(reg & ATA_BUSY)) { /* Not busy... check for interrupt */
+ unsigned long other_ir = port - 0x110;
+ unsigned int intr_reg = (u32) readl((void __iomem *) other_ir);
- /* Clear the Interrupt, Error bits on the IOC4 */
- if (intr_reg & 0x03) {
- writel(0x03, (void __iomem *) other_ir);
- intr_reg = (u32) readl((void __iomem *) other_ir);
- }
+ /* Clear the Interrupt, Error bits on the IOC4 */
+ if (intr_reg & 0x03) {
+ writel(0x03, (void __iomem *) other_ir);
+ intr_reg = (u32) readl((void __iomem *) other_ir);
}
}
@@ -332,13 +320,9 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d)
{
struct pci_dev *dev = to_pci_dev(hwif->dev);
unsigned long dma_base = pci_resource_start(dev, 0) + IOC4_DMA_OFFSET;
- void __iomem *virt_dma_base;
int num_ports = sizeof (ioc4_dma_regs_t);
void *pad;
- if (dma_base == 0)
- return -1;
-
printk(KERN_INFO " %s: MMIO-DMA\n", hwif->name);
if (request_mem_region(dma_base, num_ports, hwif->name) == NULL) {
@@ -348,14 +332,8 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d)
return -1;
}
- virt_dma_base = ioremap(dma_base, num_ports);
- if (virt_dma_base == NULL) {
- printk(KERN_ERR "%s(%s) -- ERROR: unable to map addresses "
- "0x%lx to 0x%lx\n", __func__, hwif->name,
- dma_base, dma_base + num_ports - 1);
- goto dma_remap_failure;
- }
- hwif->dma_base = (unsigned long) virt_dma_base;
+ hwif->dma_base = (unsigned long)hwif->io_ports.irq_addr +
+ IOC4_DMA_OFFSET;
hwif->sg_max_nents = IOC4_PRD_ENTRIES;
@@ -379,9 +357,6 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d)
printk(KERN_INFO "%s: changing from DMA to PIO mode", hwif->name);
dma_pci_alloc_failure:
- iounmap(virt_dma_base);
-
-dma_remap_failure:
release_mem_region(dma_base, num_ports);
return -1;
@@ -563,8 +538,6 @@ static const struct ide_port_ops sgiioc4_port_ops = {
.set_dma_mode = sgiioc4_set_dma_mode,
/* reset DMA engine, clear IRQs */
.resetproc = sgiioc4_resetproc,
- /* mask on/off NIEN register */
- .maskproc = sgiioc4_maskproc,
};
static const struct ide_dma_ops sgiioc4_dma_ops = {
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index a78d35aecee..f1e82a92e61 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -122,7 +122,7 @@ struct cm_counter_attribute {
#define CM_COUNTER_ATTR(_name, _index) \
struct cm_counter_attribute cm_##_name##_counter_attr = { \
- .attr = { .name = __stringify(_name), .mode = 0444, .owner = THIS_MODULE }, \
+ .attr = { .name = __stringify(_name), .mode = 0444 }, \
.index = _index \
}
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index dff4adca647..3d1ab8fa9ac 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -223,7 +223,7 @@ config TOUCHSCREEN_ATMEL_TSADCC
config TOUCHSCREEN_UCB1400
tristate "Philips UCB1400 touchscreen"
- select AC97_BUS
+ depends on AC97_BUS
depends on UCB1400_CORE
help
This enables support for the Philips UCB1400 touchscreen interface.
diff --git a/drivers/input/touchscreen/hp680_ts_input.c b/drivers/input/touchscreen/hp680_ts_input.c
index c38d4e0f95c..a89700e7ace 100644
--- a/drivers/input/touchscreen/hp680_ts_input.c
+++ b/drivers/input/touchscreen/hp680_ts_input.c
@@ -5,7 +5,7 @@
#include <asm/io.h>
#include <asm/delay.h>
#include <asm/adc.h>
-#include <asm/hp6xx.h>
+#include <mach/hp6xx.h>
#define MODNAME "hp680_ts_input"
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index e3e40427e00..c7ff1e11ea8 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -179,7 +179,7 @@ config LEDS_TRIGGER_TIMER
config LEDS_TRIGGER_IDE_DISK
bool "LED IDE Disk Trigger"
- depends on LEDS_TRIGGERS && BLK_DEV_IDEDISK
+ depends on LEDS_TRIGGERS && IDE_GD_ATA
help
This allows LEDs to be controlled by IDE disk activity.
If unsure, say Y.
diff --git a/drivers/leds/leds-hp6xx.c b/drivers/leds/leds-hp6xx.c
index 844d5979c90..e8fb1baf8a5 100644
--- a/drivers/leds/leds-hp6xx.c
+++ b/drivers/leds/leds-hp6xx.c
@@ -15,7 +15,7 @@
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <asm/hd64461.h>
-#include <asm/hp6xx.h>
+#include <mach/hp6xx.h>
static void hp6xxled_green_set(struct led_classdev *led_cdev,
enum led_brightness value)
diff --git a/drivers/media/dvb/ttpci/av7110.c b/drivers/media/dvb/ttpci/av7110.c
index c7c770c2898..aa1ff524256 100644
--- a/drivers/media/dvb/ttpci/av7110.c
+++ b/drivers/media/dvb/ttpci/av7110.c
@@ -36,7 +36,6 @@
#include <linux/fs.h>
#include <linux/timer.h>
#include <linux/poll.h>
-#include <linux/byteorder/swabb.h>
#include <linux/smp_lock.h>
#include <linux/kernel.h>
@@ -52,6 +51,7 @@
#include <linux/i2c.h>
#include <linux/kthread.h>
#include <asm/unaligned.h>
+#include <asm/byteorder.h>
#include <asm/system.h>
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h
index fa8be0731a3..a4b1708fafe 100644
--- a/drivers/media/video/cx18/cx18-driver.h
+++ b/drivers/media/video/cx18/cx18-driver.h
@@ -41,6 +41,7 @@
#include <linux/pagemap.h>
#include <linux/workqueue.h>
#include <linux/mutex.h>
+#include <asm/byteorder.h>
#include <linux/dvb/video.h>
#include <linux/dvb/audio.h>
diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h
index bc29436e8a3..3733b2afec5 100644
--- a/drivers/media/video/ivtv/ivtv-driver.h
+++ b/drivers/media/video/ivtv/ivtv-driver.h
@@ -55,6 +55,7 @@
#include <linux/mutex.h>
#include <asm/uaccess.h>
#include <asm/system.h>
+#include <asm/byteorder.h>
#include <linux/dvb/video.h>
#include <linux/dvb/audio.h>
diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c
index 6e291bf8237..5263913e0c6 100644
--- a/drivers/memstick/core/mspro_block.c
+++ b/drivers/memstick/core/mspro_block.c
@@ -1044,7 +1044,6 @@ static int mspro_block_read_attributes(struct memstick_dev *card)
s_attr->dev_attr.attr.name = s_attr->name;
s_attr->dev_attr.attr.mode = S_IRUGO;
- s_attr->dev_attr.attr.owner = THIS_MODULE;
s_attr->dev_attr.show = mspro_block_attr_show(s_attr->id);
if (!rc)
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 5eff8ad834d..5a79d2d4cda 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -52,6 +52,8 @@ config HTC_PASIC3
config UCB1400_CORE
tristate "Philips UCB1400 Core driver"
+ depends on AC97_BUS
+ depends on GPIOLIB
help
This enables support for the Philips UCB1400 core functions.
The UCB1400 is an AC97 audio codec.
@@ -59,6 +61,20 @@ config UCB1400_CORE
To compile this driver as a module, choose M here: the
module will be called ucb1400_core.
+config TWL4030_CORE
+ bool "Texas Instruments TWL4030/TPS659x0 Support"
+ depends on I2C=y && GENERIC_HARDIRQS && (ARCH_OMAP2 || ARCH_OMAP3)
+ help
+ Say yes here if you have TWL4030 family chip on your board.
+ This core driver provides register access and IRQ handling
+ facilities, and registers devices for the various functions
+ so that function-specific drivers can bind to them.
+
+ These multi-function chips are found on many OMAP2 and OMAP3
+ boards, providing power management, RTC, GPIO, keypad, a
+ high speed USB OTG transceiver, an audio codec (on most
+ versions) and many other features.
+
config MFD_TMIO
bool
default n
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 759b1fe1c89..68e237b830a 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -17,6 +17,8 @@ wm8350-objs := wm8350-core.o wm8350-regmap.o wm8350-gpio.o
obj-$(CONFIG_MFD_WM8350) += wm8350.o
obj-$(CONFIG_MFD_WM8350_I2C) += wm8350-i2c.o
+obj-$(CONFIG_TWL4030_CORE) += twl4030-core.o
+
obj-$(CONFIG_MFD_CORE) += mfd-core.o
obj-$(CONFIG_MCP) += mcp-core.o
diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index ba5aa200827..e4c0db4dc7b 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -123,7 +123,7 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc)
irqnr = asic->irq_base +
(ASIC3_GPIOS_PER_BANK * bank)
+ i;
- desc = irq_desc + irqnr;
+ desc = irq_to_desc(irqnr);
desc->handle_irq(irqnr, desc);
if (asic->irq_bothedge[bank] & bit)
asic3_irq_flip_edge(asic, base,
@@ -136,7 +136,7 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc)
for (i = ASIC3_NUM_GPIOS; i < ASIC3_NR_IRQS; i++) {
/* They start at bit 4 and go up */
if (status & (1 << (i - ASIC3_NUM_GPIOS + 4))) {
- desc = irq_desc + asic->irq_base + i;
+ desc = irq_to_desc(asic->irq_base + i);
desc->handle_irq(asic->irq_base + i,
desc);
}
diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
new file mode 100644
index 00000000000..b57326ae464
--- /dev/null
+++ b/drivers/mfd/da903x.c
@@ -0,0 +1,563 @@
+/*
+ * Base driver for Dialog Semiconductor DA9030/DA9034
+ *
+ * Copyright (C) 2008 Compulab, Ltd.
+ * Mike Rapoport <mike@compulab.co.il>
+ *
+ * Copyright (C) 2006-2008 Marvell International Ltd.
+ * Eric Miao <eric.miao@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/mfd/da903x.h>
+
+#define DA9030_CHIP_ID 0x00
+#define DA9030_EVENT_A 0x01
+#define DA9030_EVENT_B 0x02
+#define DA9030_EVENT_C 0x03
+#define DA9030_STATUS 0x04
+#define DA9030_IRQ_MASK_A 0x05
+#define DA9030_IRQ_MASK_B 0x06
+#define DA9030_IRQ_MASK_C 0x07
+#define DA9030_SYS_CTRL_A 0x08
+#define DA9030_SYS_CTRL_B 0x09
+#define DA9030_FAULT_LOG 0x0a
+
+#define DA9034_CHIP_ID 0x00
+#define DA9034_EVENT_A 0x01
+#define DA9034_EVENT_B 0x02
+#define DA9034_EVENT_C 0x03
+#define DA9034_EVENT_D 0x04
+#define DA9034_STATUS_A 0x05
+#define DA9034_STATUS_B 0x06
+#define DA9034_IRQ_MASK_A 0x07
+#define DA9034_IRQ_MASK_B 0x08
+#define DA9034_IRQ_MASK_C 0x09
+#define DA9034_IRQ_MASK_D 0x0a
+#define DA9034_SYS_CTRL_A 0x0b
+#define DA9034_SYS_CTRL_B 0x0c
+#define DA9034_FAULT_LOG 0x0d
+
+struct da903x_chip;
+
+struct da903x_chip_ops {
+ int (*init_chip)(struct da903x_chip *);
+ int (*unmask_events)(struct da903x_chip *, unsigned int events);
+ int (*mask_events)(struct da903x_chip *, unsigned int events);
+ int (*read_events)(struct da903x_chip *, unsigned int *events);
+ int (*read_status)(struct da903x_chip *, unsigned int *status);
+};
+
+struct da903x_chip {
+ struct i2c_client *client;
+ struct device *dev;
+ struct da903x_chip_ops *ops;
+
+ int type;
+ uint32_t events_mask;
+
+ struct mutex lock;
+ struct work_struct irq_work;
+
+ struct blocking_notifier_head notifier_list;
+};
+
+static inline int __da903x_read(struct i2c_client *client,
+ int reg, uint8_t *val)
+{
+ int ret;
+
+ ret = i2c_smbus_read_byte_data(client, reg);
+ if (ret < 0) {
+ dev_err(&client->dev, "failed reading at 0x%02x\n", reg);
+ return ret;
+ }
+
+ *val = (uint8_t)ret;
+ return 0;
+}
+
+static inline int __da903x_reads(struct i2c_client *client, int reg,
+ int len, uint8_t *val)
+{
+ int ret;
+
+ ret = i2c_smbus_read_i2c_block_data(client, reg, len, val);
+ if (ret < 0) {
+ dev_err(&client->dev, "failed reading from 0x%02x\n", reg);
+ return ret;
+ }
+ return 0;
+}
+
+static inline int __da903x_write(struct i2c_client *client,
+ int reg, uint8_t val)
+{
+ int ret;
+
+ ret = i2c_smbus_write_byte_data(client, reg, val);
+ if (ret < 0) {
+ dev_err(&client->dev, "failed writing 0x%02x to 0x%02x\n",
+ val, reg);
+ return ret;
+ }
+ return 0;
+}
+
+static inline int __da903x_writes(struct i2c_client *client, int reg,
+ int len, uint8_t *val)
+{
+ int ret;
+
+ ret = i2c_smbus_write_i2c_block_data(client, reg, len, val);
+ if (ret < 0) {
+ dev_err(&client->dev, "failed writings to 0x%02x\n", reg);
+ return ret;
+ }
+ return 0;
+}
+
+int da903x_register_notifier(struct device *dev, struct notifier_block *nb,
+ unsigned int events)
+{
+ struct da903x_chip *chip = dev_get_drvdata(dev);
+
+ chip->ops->unmask_events(chip, events);
+ return blocking_notifier_chain_register(&chip->notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(da903x_register_notifier);
+
+int da903x_unregister_notifier(struct device *dev, struct notifier_block *nb,
+ unsigned int events)
+{
+ struct da903x_chip *chip = dev_get_drvdata(dev);
+
+ chip->ops->mask_events(chip, events);
+ return blocking_notifier_chain_unregister(&chip->notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(da903x_unregister_notifier);
+
+int da903x_write(struct device *dev, int reg, uint8_t val)
+{
+ return __da903x_write(to_i2c_client(dev), reg, val);
+}
+EXPORT_SYMBOL_GPL(da903x_write);
+
+int da903x_read(struct device *dev, int reg, uint8_t *val)
+{
+ return __da903x_read(to_i2c_client(dev), reg, val);
+}
+EXPORT_SYMBOL_GPL(da903x_read);
+
+int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
+{
+ struct da903x_chip *chip = dev_get_drvdata(dev);
+ uint8_t reg_val;
+ int ret = 0;
+
+ mutex_lock(&chip->lock);
+
+ ret = __da903x_read(chip->client, reg, &reg_val);
+ if (ret)
+ goto out;
+
+ if ((reg_val & bit_mask) == 0) {
+ reg_val |= bit_mask;
+ ret = __da903x_write(chip->client, reg, reg_val);
+ }
+out:
+ mutex_unlock(&chip->lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(da903x_set_bits);
+
+int da903x_clr_bits(struct device *dev, int reg, uint8_t bit_mask)
+{
+ struct da903x_chip *chip = dev_get_drvdata(dev);
+ uint8_t reg_val;
+ int ret = 0;
+
+ mutex_lock(&chip->lock);
+
+ ret = __da903x_read(chip->client, reg, &reg_val);
+ if (ret)
+ goto out;
+
+ if (reg_val & bit_mask) {
+ reg_val &= ~bit_mask;
+ ret = __da903x_write(chip->client, reg, reg_val);
+ }
+out:
+ mutex_unlock(&chip->lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(da903x_clr_bits);
+
+int da903x_update(struct device *dev, int reg, uint8_t val, uint8_t mask)
+{
+ struct da903x_chip *chip = dev_get_drvdata(dev);
+ uint8_t reg_val;
+ int ret = 0;
+
+ mutex_lock(&chip->lock);
+
+ ret = __da903x_read(chip->client, reg, &reg_val);
+ if (ret)
+ goto out;
+
+ if ((reg_val & mask) != val) {
+ reg_val = (reg_val & ~mask) | val;
+ ret = __da903x_write(chip->client, reg, reg_val);
+ }
+out:
+ mutex_unlock(&chip->lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(da903x_update);
+
+int da903x_query_status(struct device *dev, unsigned int sbits)
+{
+ struct da903x_chip *chip = dev_get_drvdata(dev);
+ unsigned int status = 0;
+
+ chip->ops->read_status(chip, &status);
+ return ((status & sbits) == sbits);
+}
+EXPORT_SYMBOL(da903x_query_status);
+
+static int __devinit da9030_init_chip(struct da903x_chip *chip)
+{
+ uint8_t chip_id;
+ int err;
+
+ err = __da903x_read(chip->client, DA9030_CHIP_ID, &chip_id);
+ if (err)
+ return err;
+
+ err = __da903x_write(chip->client, DA9030_SYS_CTRL_A, 0xE8);
+ if (err)
+ return err;
+
+ dev_info(chip->dev, "DA9030 (CHIP ID: 0x%02x) detected\n", chip_id);
+ return 0;
+}
+
+static int da9030_unmask_events(struct da903x_chip *chip, unsigned int events)
+{
+ uint8_t v[3];
+
+ chip->events_mask &= ~events;
+
+ v[0] = (chip->events_mask & 0xff);
+ v[1] = (chip->events_mask >> 8) & 0xff;
+ v[2] = (chip->events_mask >> 16) & 0xff;
+
+ return __da903x_writes(chip->client, DA9030_IRQ_MASK_A, 3, v);
+}
+
+static int da9030_mask_events(struct da903x_chip *chip, unsigned int events)
+{
+ uint8_t v[3];
+
+ chip->events_mask &= ~events;
+
+ v[0] = (chip->events_mask & 0xff);
+ v[1] = (chip->events_mask >> 8) & 0xff;
+ v[2] = (chip->events_mask >> 16) & 0xff;
+
+ return __da903x_writes(chip->client, DA9030_IRQ_MASK_A, 3, v);
+}
+
+static int da9030_read_events(struct da903x_chip *chip, unsigned int *events)
+{
+ uint8_t v[3] = {0, 0, 0};
+ int ret;
+
+ ret = __da903x_reads(chip->client, DA9030_EVENT_A, 3, v);
+ if (ret < 0)
+ return ret;
+
+ *events = (v[2] << 16) | (v[1] << 8) | v[0];
+ return 0;
+}
+
+static int da9030_read_status(struct da903x_chip *chip, unsigned int *status)
+{
+ return __da903x_read(chip->client, DA9030_STATUS, (uint8_t *)status);
+}
+
+static int da9034_init_chip(struct da903x_chip *chip)
+{
+ uint8_t chip_id;
+ int err;
+
+ err = __da903x_read(chip->client, DA9034_CHIP_ID, &chip_id);
+ if (err)
+ return err;
+
+ err = __da903x_write(chip->client, DA9034_SYS_CTRL_A, 0xE8);
+ if (err)
+ return err;
+
+ /* avoid SRAM power off during sleep*/
+ __da903x_write(chip->client, 0x10, 0x07);
+ __da903x_write(chip->client, 0x11, 0xff);
+ __da903x_write(chip->client, 0x12, 0xff);
+
+ /* Enable the ONKEY power down functionality */
+ __da903x_write(chip->client, DA9034_SYS_CTRL_B, 0x20);
+ __da903x_write(chip->client, DA9034_SYS_CTRL_A, 0x60);
+
+ /* workaround to make LEDs work */
+ __da903x_write(chip->client, 0x90, 0x01);
+ __da903x_write(chip->client, 0xB0, 0x08);
+
+ /* make ADTV1 and SDTV1 effective */
+ __da903x_write(chip->client, 0x20, 0x00);
+
+ dev_info(chip->dev, "DA9034 (CHIP ID: 0x%02x) detected\n", chip_id);
+ return 0;
+}
+
+static int da9034_unmask_events(struct da903x_chip *chip, unsigned int events)
+{
+ uint8_t v[4];
+
+ chip->events_mask &= ~events;
+
+ v[0] = (chip->events_mask & 0xff);
+ v[1] = (chip->events_mask >> 8) & 0xff;
+ v[2] = (chip->events_mask >> 16) & 0xff;
+ v[3] = (chip->events_mask >> 24) & 0xff;
+
+ return __da903x_writes(chip->client, DA9034_IRQ_MASK_A, 4, v);
+}
+
+static int da9034_mask_events(struct da903x_chip *chip, unsigned int events)
+{
+ uint8_t v[4];
+
+ chip->events_mask |= events;
+
+ v[0] = (chip->events_mask & 0xff);
+ v[1] = (chip->events_mask >> 8) & 0xff;
+ v[2] = (chip->events_mask >> 16) & 0xff;
+ v[3] = (chip->events_mask >> 24) & 0xff;
+
+ return __da903x_writes(chip->client, DA9034_IRQ_MASK_A, 4, v);
+}
+
+static int da9034_read_events(struct da903x_chip *chip, unsigned int *events)
+{
+ uint8_t v[4] = {0, 0, 0, 0};
+ int ret;
+
+ ret = __da903x_reads(chip->client, DA9034_EVENT_A, 4, v);
+ if (ret < 0)
+ return ret;
+
+ *events = (v[3] << 24) | (v[2] << 16) | (v[1] << 8) | v[0];
+ return 0;
+}
+
+static int da9034_read_status(struct da903x_chip *chip, unsigned int *status)
+{
+ uint8_t v[2] = {0, 0};
+ int ret = 0;
+
+ ret = __da903x_reads(chip->client, DA9034_STATUS_A, 2, v);
+ if (ret)
+ return ret;
+
+ *status = (v[1] << 8) | v[0];
+ return 0;
+}
+
+static void da903x_irq_work(struct work_struct *work)
+{
+ struct da903x_chip *chip =
+ container_of(work, struct da903x_chip, irq_work);
+ unsigned int events = 0;
+
+ while (1) {
+ if (chip->ops->read_events(chip, &events))
+ break;
+
+ events &= ~chip->events_mask;
+ if (events == 0)
+ break;
+
+ blocking_notifier_call_chain(
+ &chip->notifier_list, events, NULL);
+ }
+ enable_irq(chip->client->irq);
+}
+
+static int da903x_irq_handler(int irq, void *data)
+{
+ struct da903x_chip *chip = data;
+
+ disable_irq_nosync(irq);
+ (void)schedule_work(&chip->irq_work);
+
+ return IRQ_HANDLED;
+}
+
+static struct da903x_chip_ops da903x_ops[] = {
+ [0] = {
+ .init_chip = da9030_init_chip,
+ .unmask_events = da9030_unmask_events,
+ .mask_events = da9030_mask_events,
+ .read_events = da9030_read_events,
+ .read_status = da9030_read_status,
+ },
+ [1] = {
+ .init_chip = da9034_init_chip,
+ .unmask_events = da9034_unmask_events,
+ .mask_events = da9034_mask_events,
+ .read_events = da9034_read_events,
+ .read_status = da9034_read_status,
+ }
+};
+
+static const struct i2c_device_id da903x_id_table[] = {
+ { "da9030", 0 },
+ { "da9034", 1 },
+ { },
+};
+MODULE_DEVICE_TABLE(i2c, da903x_id_table);
+
+static int __devexit __remove_subdev(struct device *dev, void *unused)
+{
+ platform_device_unregister(to_platform_device(dev));
+ return 0;
+}
+
+static int __devexit da903x_remove_subdevs(struct da903x_chip *chip)
+{
+ return device_for_each_child(chip->dev, NULL, __remove_subdev);
+}
+
+static int __devinit da903x_add_subdevs(struct da903x_chip *chip,
+ struct da903x_platform_data *pdata)
+{
+ struct da903x_subdev_info *subdev;
+ struct platform_device *pdev;
+ int i, ret = 0;
+
+ for (i = 0; i < pdata->num_subdevs; i++) {
+ subdev = &pdata->subdevs[i];
+
+ pdev = platform_device_alloc(subdev->name, subdev->id);
+
+ pdev->dev.parent = chip->dev;
+ pdev->dev.platform_data = subdev->platform_data;
+
+ ret = platform_device_add(pdev);
+ if (ret)
+ goto failed;
+ }
+ return 0;
+
+failed:
+ da903x_remove_subdevs(chip);
+ return ret;
+}
+
+static int __devinit da903x_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct da903x_platform_data *pdata = client->dev.platform_data;
+ struct da903x_chip *chip;
+ unsigned int tmp;
+ int ret;
+
+ chip = kzalloc(sizeof(struct da903x_chip), GFP_KERNEL);
+ if (chip == NULL)
+ return -ENOMEM;
+
+ chip->client = client;
+ chip->dev = &client->dev;
+ chip->ops = &da903x_ops[id->driver_data];
+
+ mutex_init(&chip->lock);
+ INIT_WORK(&chip->irq_work, da903x_irq_work);
+ BLOCKING_INIT_NOTIFIER_HEAD(&chip->notifier_list);
+
+ i2c_set_clientdata(client, chip);
+
+ ret = chip->ops->init_chip(chip);
+ if (ret)
+ goto out_free_chip;
+
+ /* mask and clear all IRQs */
+ chip->events_mask = 0xffffffff;
+ chip->ops->mask_events(chip, chip->events_mask);
+ chip->ops->read_events(chip, &tmp);
+
+ ret = request_irq(client->irq, da903x_irq_handler,
+ IRQF_DISABLED | IRQF_TRIGGER_FALLING,
+ "da903x", chip);
+ if (ret) {
+ dev_err(&client->dev, "failed to request irq %d\n",
+ client->irq);
+ goto out_free_chip;
+ }
+
+ ret = da903x_add_subdevs(chip, pdata);
+ if (ret)
+ goto out_free_irq;
+
+ return 0;
+
+out_free_irq:
+ free_irq(client->irq, chip);
+out_free_chip:
+ i2c_set_clientdata(client, NULL);
+ kfree(chip);
+ return ret;
+}
+
+static int __devexit da903x_remove(struct i2c_client *client)
+{
+ struct da903x_chip *chip = i2c_get_clientdata(client);
+
+ da903x_remove_subdevs(chip);
+ kfree(chip);
+ return 0;
+}
+
+static struct i2c_driver da903x_driver = {
+ .driver = {
+ .name = "da903x",
+ .owner = THIS_MODULE,
+ },
+ .probe = da903x_probe,
+ .remove = __devexit_p(da903x_remove),
+ .id_table = da903x_id_table,
+};
+
+static int __init da903x_init(void)
+{
+ return i2c_add_driver(&da903x_driver);
+}
+module_init(da903x_init);
+
+static void __exit da903x_exit(void)
+{
+ i2c_del_driver(&da903x_driver);
+}
+module_exit(da903x_exit);
+
+MODULE_DESCRIPTION("PMIC Driver for Dialog Semiconductor DA9034");
+MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"
+ "Mike Rapoport <mike@compulab.co.il>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/htc-egpio.c b/drivers/mfd/htc-egpio.c
index 6be43172dc6..1a4d04664d6 100644
--- a/drivers/mfd/htc-egpio.c
+++ b/drivers/mfd/htc-egpio.c
@@ -112,7 +112,7 @@ static void egpio_handler(unsigned int irq, struct irq_desc *desc)
/* Run irq handler */
pr_debug("got IRQ %d\n", irqpin);
irq = ei->irq_start + irqpin;
- desc = &irq_desc[irq];
+ desc = irq_to_desc(irq);
desc->handle_irq(irq, desc);
}
}
@@ -289,7 +289,7 @@ static int __init egpio_probe(struct platform_device *pdev)
ei->base_addr = ioremap_nocache(res->start, res->end - res->start);
if (!ei->base_addr)
goto fail;
- pr_debug("EGPIO phys=%08x virt=%p\n", res->start, ei->base_addr);
+ pr_debug("EGPIO phys=%08x virt=%p\n", (u32)res->start, ei->base_addr);
if ((pdata->bus_width != 16) && (pdata->bus_width != 32))
goto fail;
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 9c9c126ed33..6c0d1bec4b7 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -20,7 +20,7 @@ static int mfd_add_device(struct device *parent, int id,
struct resource *mem_base,
int irq_base)
{
- struct resource res[cell->num_resources];
+ struct resource *res;
struct platform_device *pdev;
int ret = -ENOMEM;
int r;
@@ -29,14 +29,17 @@ static int mfd_add_device(struct device *parent, int id,
if (!pdev)
goto fail_alloc;
+ res = kzalloc(sizeof(*res) * cell->num_resources, GFP_KERNEL);
+ if (!res)
+ goto fail_device;
+
pdev->dev.parent = parent;
ret = platform_device_add_data(pdev,
cell->platform_data, cell->data_size);
if (ret)
- goto fail_device;
+ goto fail_res;
- memset(res, 0, sizeof(res));
for (r = 0; r < cell->num_resources; r++) {
res[r].name = cell->resources[r].name;
res[r].flags = cell->resources[r].flags;
@@ -64,11 +67,15 @@ static int mfd_add_device(struct device *parent, int id,
ret = platform_device_add(pdev);
if (ret)
- goto fail_device;
+ goto fail_res;
+
+ kfree(res);
return 0;
/* platform_device_del(pdev); */
+fail_res:
+ kfree(res);
fail_device:
platform_device_put(pdev);
fail_alloc:
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 7aebad4c06f..220e4371266 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -623,8 +623,8 @@ unsigned long sm501_set_clock(struct device *dev,
sm501_sync_regs(sm);
- dev_info(sm->dev, "gate %08lx, clock %08lx, mode %08lx\n",
- gate, clock, mode);
+ dev_dbg(sm->dev, "gate %08lx, clock %08lx, mode %08lx\n",
+ gate, clock, mode);
sm501_mdelay(sm, 16);
mutex_unlock(&sm->clock_lock);
@@ -742,7 +742,7 @@ static int sm501_register_device(struct sm501_devdata *sm,
int ret;
for (ptr = 0; ptr < pdev->num_resources; ptr++) {
- printk("%s[%d] flags %08lx: %08llx..%08llx\n",
+ printk(KERN_DEBUG "%s[%d] flags %08lx: %08llx..%08llx\n",
pdev->name, ptr,
pdev->resource[ptr].flags,
(unsigned long long)pdev->resource[ptr].start,
diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c
index 49a0fffc02a..9f7024c0f8e 100644
--- a/drivers/mfd/t7l66xb.c
+++ b/drivers/mfd/t7l66xb.c
@@ -24,8 +24,10 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/err.h>
#include <linux/io.h>
#include <linux/irq.h>
+#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tmio.h>
@@ -56,6 +58,8 @@ struct t7l66xb {
spinlock_t lock;
struct resource rscr;
+ struct clk *clk48m;
+ struct clk *clk32k;
int irq;
int irq_base;
};
@@ -65,13 +69,11 @@ struct t7l66xb {
static int t7l66xb_mmc_enable(struct platform_device *mmc)
{
struct platform_device *dev = to_platform_device(mmc->dev.parent);
- struct t7l66xb_platform_data *pdata = dev->dev.platform_data;
struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
unsigned long flags;
u8 dev_ctl;
- if (pdata->enable_clk32k)
- pdata->enable_clk32k(dev);
+ clk_enable(t7l66xb->clk32k);
spin_lock_irqsave(&t7l66xb->lock, flags);
@@ -87,7 +89,6 @@ static int t7l66xb_mmc_enable(struct platform_device *mmc)
static int t7l66xb_mmc_disable(struct platform_device *mmc)
{
struct platform_device *dev = to_platform_device(mmc->dev.parent);
- struct t7l66xb_platform_data *pdata = dev->dev.platform_data;
struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
unsigned long flags;
u8 dev_ctl;
@@ -100,8 +101,7 @@ static int t7l66xb_mmc_disable(struct platform_device *mmc)
spin_unlock_irqrestore(&t7l66xb->lock, flags);
- if (pdata->disable_clk32k)
- pdata->disable_clk32k(dev);
+ clk_disable(t7l66xb->clk32k);
return 0;
}
@@ -258,18 +258,22 @@ static void t7l66xb_detach_irq(struct platform_device *dev)
#ifdef CONFIG_PM
static int t7l66xb_suspend(struct platform_device *dev, pm_message_t state)
{
+ struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
struct t7l66xb_platform_data *pdata = dev->dev.platform_data;
if (pdata && pdata->suspend)
pdata->suspend(dev);
+ clk_disable(t7l66xb->clk48m);
return 0;
}
static int t7l66xb_resume(struct platform_device *dev)
{
+ struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
struct t7l66xb_platform_data *pdata = dev->dev.platform_data;
+ clk_enable(t7l66xb->clk48m);
if (pdata && pdata->resume)
pdata->resume(dev);
@@ -309,6 +313,19 @@ static int t7l66xb_probe(struct platform_device *dev)
t7l66xb->irq_base = pdata->irq_base;
+ t7l66xb->clk32k = clk_get(&dev->dev, "CLK_CK32K");
+ if (IS_ERR(t7l66xb->clk32k)) {
+ ret = PTR_ERR(t7l66xb->clk32k);
+ goto err_clk32k_get;
+ }
+
+ t7l66xb->clk48m = clk_get(&dev->dev, "CLK_CK48M");
+ if (IS_ERR(t7l66xb->clk48m)) {
+ ret = PTR_ERR(t7l66xb->clk48m);
+ clk_put(t7l66xb->clk32k);
+ goto err_clk48m_get;
+ }
+
rscr = &t7l66xb->rscr;
rscr->name = "t7l66xb-core";
rscr->start = iomem->start;
@@ -325,6 +342,8 @@ static int t7l66xb_probe(struct platform_device *dev)
goto err_ioremap;
}
+ clk_enable(t7l66xb->clk48m);
+
if (pdata && pdata->enable)
pdata->enable(dev);
@@ -359,9 +378,13 @@ static int t7l66xb_probe(struct platform_device *dev)
iounmap(t7l66xb->scr);
err_ioremap:
release_resource(&t7l66xb->rscr);
-err_noirq:
err_request_scr:
kfree(t7l66xb);
+ clk_put(t7l66xb->clk48m);
+err_clk48m_get:
+ clk_put(t7l66xb->clk32k);
+err_clk32k_get:
+err_noirq:
return ret;
}
@@ -372,7 +395,8 @@ static int t7l66xb_remove(struct platform_device *dev)
int ret;
ret = pdata->disable(dev);
-
+ clk_disable(t7l66xb->clk48m);
+ clk_put(t7l66xb->clk48m);
t7l66xb_detach_irq(dev);
iounmap(t7l66xb->scr);
release_resource(&t7l66xb->rscr);
diff --git a/drivers/mfd/tc6387xb.c b/drivers/mfd/tc6387xb.c
index a22b21ac6cf..43222c12fec 100644
--- a/drivers/mfd/tc6387xb.c
+++ b/drivers/mfd/tc6387xb.c
@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/clk.h>
#include <linux/err.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tmio.h>
@@ -24,18 +25,22 @@ enum {
#ifdef CONFIG_PM
static int tc6387xb_suspend(struct platform_device *dev, pm_message_t state)
{
- struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev);
+ struct clk *clk32k = platform_get_drvdata(dev);
+ struct tc6387xb_platform_data *pdata = dev->dev.platform_data;
if (pdata && pdata->suspend)
pdata->suspend(dev);
+ clk_disable(clk32k);
return 0;
}
static int tc6387xb_resume(struct platform_device *dev)
{
- struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev);
+ struct clk *clk32k = platform_get_drvdata(dev);
+ struct tc6387xb_platform_data *pdata = dev->dev.platform_data;
+ clk_enable(clk32k);
if (pdata && pdata->resume)
pdata->resume(dev);
@@ -51,10 +56,9 @@ static int tc6387xb_resume(struct platform_device *dev)
static int tc6387xb_mmc_enable(struct platform_device *mmc)
{
struct platform_device *dev = to_platform_device(mmc->dev.parent);
- struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data;
+ struct clk *clk32k = platform_get_drvdata(dev);
- if (tc6387xb->enable_clk32k)
- tc6387xb->enable_clk32k(dev);
+ clk_enable(clk32k);
return 0;
}
@@ -62,10 +66,9 @@ static int tc6387xb_mmc_enable(struct platform_device *mmc)
static int tc6387xb_mmc_disable(struct platform_device *mmc)
{
struct platform_device *dev = to_platform_device(mmc->dev.parent);
- struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data;
+ struct clk *clk32k = platform_get_drvdata(dev);
- if (tc6387xb->disable_clk32k)
- tc6387xb->disable_clk32k(dev);
+ clk_disable(clk32k);
return 0;
}
@@ -102,14 +105,14 @@ static struct mfd_cell tc6387xb_cells[] = {
static int tc6387xb_probe(struct platform_device *dev)
{
- struct tc6387xb_platform_data *data = platform_get_drvdata(dev);
+ struct tc6387xb_platform_data *pdata = dev->dev.platform_data;
struct resource *iomem;
+ struct clk *clk32k;
int irq, ret;
iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (!iomem) {
- ret = -EINVAL;
- goto err_resource;
+ return -EINVAL;
}
ret = platform_get_irq(dev, 0);
@@ -118,8 +121,15 @@ static int tc6387xb_probe(struct platform_device *dev)
else
goto err_resource;
- if (data && data->enable)
- data->enable(dev);
+ clk32k = clk_get(&dev->dev, "CLK_CK32K");
+ if (IS_ERR(clk32k)) {
+ ret = PTR_ERR(clk32k);
+ goto err_resource;
+ }
+ platform_set_drvdata(dev, clk32k);
+
+ if (pdata && pdata->enable)
+ pdata->enable(dev);
printk(KERN_INFO "Toshiba tc6387xb initialised\n");
@@ -134,18 +144,19 @@ static int tc6387xb_probe(struct platform_device *dev)
if (!ret)
return 0;
+ clk_put(clk32k);
err_resource:
return ret;
}
static int tc6387xb_remove(struct platform_device *dev)
{
- struct tc6387xb_platform_data *data = platform_get_drvdata(dev);
-
- if (data && data->disable)
- data->disable(dev);
+ struct clk *clk32k = platform_get_drvdata(dev);
- /* FIXME - free the resources! */
+ mfd_remove_devices(&dev->dev);
+ clk_disable(clk32k);
+ clk_put(clk32k);
+ platform_set_drvdata(dev, NULL);
return 0;
}
diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index e4c1c788b5f..f856e9463a9 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -113,6 +113,8 @@ struct tc6393xb {
enum {
TC6393XB_CELL_NAND,
TC6393XB_CELL_MMC,
+ TC6393XB_CELL_OHCI,
+ TC6393XB_CELL_FB,
};
/*--------------------------------------------------------------------------*/
@@ -170,6 +172,176 @@ static struct resource __devinitdata tc6393xb_mmc_resources[] = {
},
};
+const static struct resource tc6393xb_ohci_resources[] = {
+ {
+ .start = 0x3000,
+ .end = 0x31ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = 0x0300,
+ .end = 0x03ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = 0x010000,
+ .end = 0x017fff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = 0x018000,
+ .end = 0x01ffff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_TC6393_OHCI,
+ .end = IRQ_TC6393_OHCI,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource __devinitdata tc6393xb_fb_resources[] = {
+ {
+ .start = 0x5000,
+ .end = 0x51ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = 0x0500,
+ .end = 0x05ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = 0x100000,
+ .end = 0x1fffff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_TC6393_FB,
+ .end = IRQ_TC6393_FB,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static int tc6393xb_ohci_enable(struct platform_device *dev)
+{
+ struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
+ unsigned long flags;
+ u16 ccr;
+ u8 fer;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);
+ ccr |= SCR_CCR_USBCK;
+ tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);
+
+ fer = tmio_ioread8(tc6393xb->scr + SCR_FER);
+ fer |= SCR_FER_USBEN;
+ tmio_iowrite8(fer, tc6393xb->scr + SCR_FER);
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+ return 0;
+}
+
+static int tc6393xb_ohci_disable(struct platform_device *dev)
+{
+ struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
+ unsigned long flags;
+ u16 ccr;
+ u8 fer;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ fer = tmio_ioread8(tc6393xb->scr + SCR_FER);
+ fer &= ~SCR_FER_USBEN;
+ tmio_iowrite8(fer, tc6393xb->scr + SCR_FER);
+
+ ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);
+ ccr &= ~SCR_CCR_USBCK;
+ tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+ return 0;
+}
+
+static int tc6393xb_fb_enable(struct platform_device *dev)
+{
+ struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
+ unsigned long flags;
+ u16 ccr;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);
+ ccr &= ~SCR_CCR_MCLK_MASK;
+ ccr |= SCR_CCR_MCLK_48;
+ tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+ return 0;
+}
+
+static int tc6393xb_fb_disable(struct platform_device *dev)
+{
+ struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
+ unsigned long flags;
+ u16 ccr;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);
+ ccr &= ~SCR_CCR_MCLK_MASK;
+ ccr |= SCR_CCR_MCLK_OFF;
+ tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+ return 0;
+}
+
+int tc6393xb_lcd_set_power(struct platform_device *fb, bool on)
+{
+ struct platform_device *dev = to_platform_device(fb->dev.parent);
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+ u8 fer;
+ unsigned long flags;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ fer = ioread8(tc6393xb->scr + SCR_FER);
+ if (on)
+ fer |= SCR_FER_SLCDEN;
+ else
+ fer &= ~SCR_FER_SLCDEN;
+ iowrite8(fer, tc6393xb->scr + SCR_FER);
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(tc6393xb_lcd_set_power);
+
+int tc6393xb_lcd_mode(struct platform_device *fb,
+ const struct fb_videomode *mode) {
+ struct platform_device *dev = to_platform_device(fb->dev.parent);
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ iowrite16(mode->pixclock, tc6393xb->scr + SCR_PLL1CR + 0);
+ iowrite16(mode->pixclock >> 16, tc6393xb->scr + SCR_PLL1CR + 2);
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(tc6393xb_lcd_mode);
+
static struct mfd_cell __devinitdata tc6393xb_cells[] = {
[TC6393XB_CELL_NAND] = {
.name = "tmio-nand",
@@ -182,6 +354,24 @@ static struct mfd_cell __devinitdata tc6393xb_cells[] = {
.num_resources = ARRAY_SIZE(tc6393xb_mmc_resources),
.resources = tc6393xb_mmc_resources,
},
+ [TC6393XB_CELL_OHCI] = {
+ .name = "tmio-ohci",
+ .num_resources = ARRAY_SIZE(tc6393xb_ohci_resources),
+ .resources = tc6393xb_ohci_resources,
+ .enable = tc6393xb_ohci_enable,
+ .suspend = tc6393xb_ohci_disable,
+ .resume = tc6393xb_ohci_enable,
+ .disable = tc6393xb_ohci_disable,
+ },
+ [TC6393XB_CELL_FB] = {
+ .name = "tmio-fb",
+ .num_resources = ARRAY_SIZE(tc6393xb_fb_resources),
+ .resources = tc6393xb_fb_resources,
+ .enable = tc6393xb_fb_enable,
+ .suspend = tc6393xb_fb_disable,
+ .resume = tc6393xb_fb_enable,
+ .disable = tc6393xb_fb_disable,
+ },
};
/*--------------------------------------------------------------------------*/
@@ -369,41 +559,12 @@ static void tc6393xb_detach_irq(struct platform_device *dev)
/*--------------------------------------------------------------------------*/
-static int tc6393xb_hw_init(struct platform_device *dev)
-{
- struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
- struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
- int i;
-
- iowrite8(tc6393xb->suspend_state.fer, tc6393xb->scr + SCR_FER);
- iowrite16(tcpd->scr_pll2cr, tc6393xb->scr + SCR_PLL2CR);
- iowrite16(tc6393xb->suspend_state.ccr, tc6393xb->scr + SCR_CCR);
- iowrite16(SCR_MCR_RDY_OPENDRAIN | SCR_MCR_RDY_UNK | SCR_MCR_RDY_EN |
- SCR_MCR_INT_OPENDRAIN | SCR_MCR_INT_UNK | SCR_MCR_INT_EN |
- BIT(15), tc6393xb->scr + SCR_MCR);
- iowrite16(tcpd->scr_gper, tc6393xb->scr + SCR_GPER);
- iowrite8(0, tc6393xb->scr + SCR_IRR);
- iowrite8(0xbf, tc6393xb->scr + SCR_IMR);
-
- for (i = 0; i < 3; i++) {
- iowrite8(tc6393xb->suspend_state.gpo_dsr[i],
- tc6393xb->scr + SCR_GPO_DSR(i));
- iowrite8(tc6393xb->suspend_state.gpo_doecr[i],
- tc6393xb->scr + SCR_GPO_DOECR(i));
- iowrite8(tc6393xb->suspend_state.gpi_bcr[i],
- tc6393xb->scr + SCR_GPI_BCR(i));
- }
-
- return 0;
-}
-
static int __devinit tc6393xb_probe(struct platform_device *dev)
{
struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
struct tc6393xb *tc6393xb;
struct resource *iomem, *rscr;
int ret, temp;
- int i;
iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (!iomem)
@@ -458,21 +619,16 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
if (ret)
goto err_enable;
- tc6393xb->suspend_state.fer = 0;
-
- for (i = 0; i < 3; i++) {
- tc6393xb->suspend_state.gpo_dsr[i] =
- (tcpd->scr_gpo_dsr >> (8 * i)) & 0xff;
- tc6393xb->suspend_state.gpo_doecr[i] =
- (tcpd->scr_gpo_doecr >> (8 * i)) & 0xff;
- }
-
- tc6393xb->suspend_state.ccr = SCR_CCR_UNK1 |
- SCR_CCR_HCLK_48;
-
- ret = tc6393xb_hw_init(dev);
- if (ret)
- goto err_hw_init;
+ iowrite8(0, tc6393xb->scr + SCR_FER);
+ iowrite16(tcpd->scr_pll2cr, tc6393xb->scr + SCR_PLL2CR);
+ iowrite16(SCR_CCR_UNK1 | SCR_CCR_HCLK_48,
+ tc6393xb->scr + SCR_CCR);
+ iowrite16(SCR_MCR_RDY_OPENDRAIN | SCR_MCR_RDY_UNK | SCR_MCR_RDY_EN |
+ SCR_MCR_INT_OPENDRAIN | SCR_MCR_INT_UNK | SCR_MCR_INT_EN |
+ BIT(15), tc6393xb->scr + SCR_MCR);
+ iowrite16(tcpd->scr_gper, tc6393xb->scr + SCR_GPER);
+ iowrite8(0, tc6393xb->scr + SCR_IRR);
+ iowrite8(0xbf, tc6393xb->scr + SCR_IMR);
printk(KERN_INFO "Toshiba tc6393xb revision %d at 0x%08lx, irq %d\n",
tmio_ioread8(tc6393xb->scr + SCR_REVID),
@@ -488,16 +644,33 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
tc6393xb_attach_irq(dev);
+ if (tcpd->setup) {
+ ret = tcpd->setup(dev);
+ if (ret)
+ goto err_setup;
+ }
+
tc6393xb_cells[TC6393XB_CELL_NAND].driver_data = tcpd->nand_data;
tc6393xb_cells[TC6393XB_CELL_NAND].platform_data =
&tc6393xb_cells[TC6393XB_CELL_NAND];
tc6393xb_cells[TC6393XB_CELL_NAND].data_size =
sizeof(tc6393xb_cells[TC6393XB_CELL_NAND]);
+
tc6393xb_cells[TC6393XB_CELL_MMC].platform_data =
&tc6393xb_cells[TC6393XB_CELL_MMC];
tc6393xb_cells[TC6393XB_CELL_MMC].data_size =
sizeof(tc6393xb_cells[TC6393XB_CELL_MMC]);
+ tc6393xb_cells[TC6393XB_CELL_OHCI].platform_data =
+ &tc6393xb_cells[TC6393XB_CELL_OHCI];
+ tc6393xb_cells[TC6393XB_CELL_OHCI].data_size =
+ sizeof(tc6393xb_cells[TC6393XB_CELL_OHCI]);
+
+ tc6393xb_cells[TC6393XB_CELL_FB].driver_data = tcpd->fb_data;
+ tc6393xb_cells[TC6393XB_CELL_FB].platform_data =
+ &tc6393xb_cells[TC6393XB_CELL_FB];
+ tc6393xb_cells[TC6393XB_CELL_FB].data_size =
+ sizeof(tc6393xb_cells[TC6393XB_CELL_FB]);
ret = mfd_add_devices(&dev->dev, dev->id,
tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells),
@@ -506,12 +679,15 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
if (!ret)
return 0;
+ if (tcpd->teardown)
+ tcpd->teardown(dev);
+
+err_setup:
tc6393xb_detach_irq(dev);
err_gpio_add:
if (tc6393xb->gpio.base != -1)
temp = gpiochip_remove(&tc6393xb->gpio);
-err_hw_init:
tcpd->disable(dev);
err_clk_enable:
clk_disable(tc6393xb->clk);
@@ -535,6 +711,10 @@ static int __devexit tc6393xb_remove(struct platform_device *dev)
int ret;
mfd_remove_devices(&dev->dev);
+
+ if (tcpd->teardown)
+ tcpd->teardown(dev);
+
tc6393xb_detach_irq(dev);
if (tc6393xb->gpio.base != -1) {
@@ -585,15 +765,37 @@ static int tc6393xb_resume(struct platform_device *dev)
struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
int ret;
+ int i;
clk_enable(tc6393xb->clk);
ret = tcpd->resume(dev);
-
if (ret)
return ret;
- return tc6393xb_hw_init(dev);
+ if (!tcpd->resume_restore)
+ return 0;
+
+ iowrite8(tc6393xb->suspend_state.fer, tc6393xb->scr + SCR_FER);
+ iowrite16(tcpd->scr_pll2cr, tc6393xb->scr + SCR_PLL2CR);
+ iowrite16(tc6393xb->suspend_state.ccr, tc6393xb->scr + SCR_CCR);
+ iowrite16(SCR_MCR_RDY_OPENDRAIN | SCR_MCR_RDY_UNK | SCR_MCR_RDY_EN |
+ SCR_MCR_INT_OPENDRAIN | SCR_MCR_INT_UNK | SCR_MCR_INT_EN |
+ BIT(15), tc6393xb->scr + SCR_MCR);
+ iowrite16(tcpd->scr_gper, tc6393xb->scr + SCR_GPER);
+ iowrite8(0, tc6393xb->scr + SCR_IRR);
+ iowrite8(0xbf, tc6393xb->scr + SCR_IMR);
+
+ for (i = 0; i < 3; i++) {
+ iowrite8(tc6393xb->suspend_state.gpo_dsr[i],
+ tc6393xb->scr + SCR_GPO_DSR(i));
+ iowrite8(tc6393xb->suspend_state.gpo_doecr[i],
+ tc6393xb->scr + SCR_GPO_DOECR(i));
+ iowrite8(tc6393xb->suspend_state.gpi_bcr[i],
+ tc6393xb->scr + SCR_GPI_BCR(i));
+ }
+
+ return 0;
}
#else
#define tc6393xb_suspend NULL
diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c
new file mode 100644
index 00000000000..fd9a0160202
--- /dev/null
+++ b/drivers/mfd/twl4030-core.c
@@ -0,0 +1,1193 @@
+/*
+ * twl4030_core.c - driver for TWL4030/TPS659x0 PM and audio CODEC devices
+ *
+ * Copyright (C) 2005-2006 Texas Instruments, Inc.
+ *
+ * Modifications to defer interrupt handling to a kernel thread:
+ * Copyright (C) 2006 MontaVista Software, Inc.
+ *
+ * Based on tlv320aic23.c:
+ * Copyright (c) by Kai Svahn <kai.svahn@nokia.com>
+ *
+ * Code cleanup and modifications to IRQ handler.
+ * by syed khasim <x0khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/kernel_stat.h>
+#include <linux/init.h>
+#include <linux/mutex.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/random.h>
+#include <linux/kthread.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c/twl4030.h>
+
+
+/*
+ * The TWL4030 "Triton 2" is one of a family of a multi-function "Power
+ * Management and System Companion Device" chips originally designed for
+ * use in OMAP2 and OMAP 3 based systems. Its control interfaces use I2C,
+ * often at around 3 Mbit/sec, including for interrupt handling.
+ *
+ * This driver core provides genirq support for the interrupts emitted,
+ * by the various modules, and exports register access primitives.
+ *
+ * FIXME this driver currently requires use of the first interrupt line
+ * (and associated registers).
+ */
+
+#define DRIVER_NAME "twl4030"
+
+#if defined(CONFIG_TWL4030_BCI_BATTERY) || \
+ defined(CONFIG_TWL4030_BCI_BATTERY_MODULE)
+#define twl_has_bci() true
+#else
+#define twl_has_bci() false
+#endif
+
+#if defined(CONFIG_KEYBOARD_TWL4030) || defined(CONFIG_KEYBOARD_TWL4030_MODULE)
+#define twl_has_keypad() true
+#else
+#define twl_has_keypad() false
+#endif
+
+#if defined(CONFIG_GPIO_TWL4030) || defined(CONFIG_GPIO_TWL4030_MODULE)
+#define twl_has_gpio() true
+#else
+#define twl_has_gpio() false
+#endif
+
+#if defined(CONFIG_TWL4030_MADC) || defined(CONFIG_TWL4030_MADC_MODULE)
+#define twl_has_madc() true
+#else
+#define twl_has_madc() false
+#endif
+
+#if defined(CONFIG_RTC_DRV_TWL4030) || defined(CONFIG_RTC_DRV_TWL4030_MODULE)
+#define twl_has_rtc() true
+#else
+#define twl_has_rtc() false
+#endif
+
+#if defined(CONFIG_TWL4030_USB) || defined(CONFIG_TWL4030_USB_MODULE)
+#define twl_has_usb() true
+#else
+#define twl_has_usb() false
+#endif
+
+static inline void activate_irq(int irq)
+{
+#ifdef CONFIG_ARM
+ /* ARM requires an extra step to clear IRQ_NOREQUEST, which it
+ * sets on behalf of every irq_chip. Also sets IRQ_NOPROBE.
+ */
+ set_irq_flags(irq, IRQF_VALID);
+#else
+ /* same effect on other architectures */
+ set_irq_noprobe(irq);
+#endif
+}
+
+/* Primary Interrupt Handler on TWL4030 Registers */
+
+/* Register Definitions */
+
+#define REG_PIH_ISR_P1 (0x1)
+#define REG_PIH_ISR_P2 (0x2)
+#define REG_PIH_SIR (0x3)
+
+/* Triton Core internal information (BEGIN) */
+
+/* Last - for index max*/
+#define TWL4030_MODULE_LAST TWL4030_MODULE_SECURED_REG
+
+#define TWL4030_NUM_SLAVES 4
+
+
+/* Base Address defns for twl4030_map[] */
+
+/* subchip/slave 0 - USB ID */
+#define TWL4030_BASEADD_USB 0x0000
+
+/* subchip/slave 1 - AUD ID */
+#define TWL4030_BASEADD_AUDIO_VOICE 0x0000
+#define TWL4030_BASEADD_GPIO 0x0098
+#define TWL4030_BASEADD_INTBR 0x0085
+#define TWL4030_BASEADD_PIH 0x0080
+#define TWL4030_BASEADD_TEST 0x004C
+
+/* subchip/slave 2 - AUX ID */
+#define TWL4030_BASEADD_INTERRUPTS 0x00B9
+#define TWL4030_BASEADD_LED 0x00EE
+#define TWL4030_BASEADD_MADC 0x0000
+#define TWL4030_BASEADD_MAIN_CHARGE 0x0074
+#define TWL4030_BASEADD_PRECHARGE 0x00AA
+#define TWL4030_BASEADD_PWM0 0x00F8
+#define TWL4030_BASEADD_PWM1 0x00FB
+#define TWL4030_BASEADD_PWMA 0x00EF
+#define TWL4030_BASEADD_PWMB 0x00F1
+#define TWL4030_BASEADD_KEYPAD 0x00D2
+
+/* subchip/slave 3 - POWER ID */
+#define TWL4030_BASEADD_BACKUP 0x0014
+#define TWL4030_BASEADD_INT 0x002E
+#define TWL4030_BASEADD_PM_MASTER 0x0036
+#define TWL4030_BASEADD_PM_RECEIVER 0x005B
+#define TWL4030_BASEADD_RTC 0x001C
+#define TWL4030_BASEADD_SECURED_REG 0x0000
+
+/* Triton Core internal information (END) */
+
+
+/* Few power values */
+#define R_CFG_BOOT 0x05
+#define R_PROTECT_KEY 0x0E
+
+/* access control values for R_PROTECT_KEY */
+#define KEY_UNLOCK1 0xce
+#define KEY_UNLOCK2 0xec
+#define KEY_LOCK 0x00
+
+/* some fields in R_CFG_BOOT */
+#define HFCLK_FREQ_19p2_MHZ (1 << 0)
+#define HFCLK_FREQ_26_MHZ (2 << 0)
+#define HFCLK_FREQ_38p4_MHZ (3 << 0)
+#define HIGH_PERF_SQ (1 << 3)
+
+
+/*----------------------------------------------------------------------*/
+
+/**
+ * struct twl4030_mod_iregs - TWL module IMR/ISR regs to mask/clear at init
+ * @mod_no: TWL4030 module number (e.g., TWL4030_MODULE_GPIO)
+ * @sih_ctrl: address of module SIH_CTRL register
+ * @reg_cnt: number of IMR/ISR regs
+ * @imrs: pointer to array of TWL module interrupt mask register indices
+ * @isrs: pointer to array of TWL module interrupt status register indices
+ *
+ * Ties together TWL4030 modules and lists of IMR/ISR registers to mask/clear
+ * during twl_init_irq().
+ */
+struct twl4030_mod_iregs {
+ const u8 mod_no;
+ const u8 sih_ctrl;
+ const u8 reg_cnt;
+ const u8 *imrs;
+ const u8 *isrs;
+};
+
+/* TWL4030 INT module interrupt mask registers */
+static const u8 __initconst twl4030_int_imr_regs[] = {
+ TWL4030_INT_PWR_IMR1,
+ TWL4030_INT_PWR_IMR2,
+};
+
+/* TWL4030 INT module interrupt status registers */
+static const u8 __initconst twl4030_int_isr_regs[] = {
+ TWL4030_INT_PWR_ISR1,
+ TWL4030_INT_PWR_ISR2,
+};
+
+/* TWL4030 INTERRUPTS module interrupt mask registers */
+static const u8 __initconst twl4030_interrupts_imr_regs[] = {
+ TWL4030_INTERRUPTS_BCIIMR1A,
+ TWL4030_INTERRUPTS_BCIIMR1B,
+ TWL4030_INTERRUPTS_BCIIMR2A,
+ TWL4030_INTERRUPTS_BCIIMR2B,
+};
+
+/* TWL4030 INTERRUPTS module interrupt status registers */
+static const u8 __initconst twl4030_interrupts_isr_regs[] = {
+ TWL4030_INTERRUPTS_BCIISR1A,
+ TWL4030_INTERRUPTS_BCIISR1B,
+ TWL4030_INTERRUPTS_BCIISR2A,
+ TWL4030_INTERRUPTS_BCIISR2B,
+};
+
+/* TWL4030 MADC module interrupt mask registers */
+static const u8 __initconst twl4030_madc_imr_regs[] = {
+ TWL4030_MADC_IMR1,
+ TWL4030_MADC_IMR2,
+};
+
+/* TWL4030 MADC module interrupt status registers */
+static const u8 __initconst twl4030_madc_isr_regs[] = {
+ TWL4030_MADC_ISR1,
+ TWL4030_MADC_ISR2,
+};
+
+/* TWL4030 keypad module interrupt mask registers */
+static const u8 __initconst twl4030_keypad_imr_regs[] = {
+ TWL4030_KEYPAD_KEYP_IMR1,
+ TWL4030_KEYPAD_KEYP_IMR2,
+};
+
+/* TWL4030 keypad module interrupt status registers */
+static const u8 __initconst twl4030_keypad_isr_regs[] = {
+ TWL4030_KEYPAD_KEYP_ISR1,
+ TWL4030_KEYPAD_KEYP_ISR2,
+};
+
+/* TWL4030 GPIO module interrupt mask registers */
+static const u8 __initconst twl4030_gpio_imr_regs[] = {
+ REG_GPIO_IMR1A,
+ REG_GPIO_IMR1B,
+ REG_GPIO_IMR2A,
+ REG_GPIO_IMR2B,
+ REG_GPIO_IMR3A,
+ REG_GPIO_IMR3B,
+};
+
+/* TWL4030 GPIO module interrupt status registers */
+static const u8 __initconst twl4030_gpio_isr_regs[] = {
+ REG_GPIO_ISR1A,
+ REG_GPIO_ISR1B,
+ REG_GPIO_ISR2A,
+ REG_GPIO_ISR2B,
+ REG_GPIO_ISR3A,
+ REG_GPIO_ISR3B,
+};
+
+/* TWL4030 modules that have IMR/ISR registers that must be masked/cleared */
+static const struct twl4030_mod_iregs __initconst twl4030_mod_regs[] = {
+ {
+ .mod_no = TWL4030_MODULE_INT,
+ .sih_ctrl = TWL4030_INT_PWR_SIH_CTRL,
+ .reg_cnt = ARRAY_SIZE(twl4030_int_imr_regs),
+ .imrs = twl4030_int_imr_regs,
+ .isrs = twl4030_int_isr_regs,
+ },
+ {
+ .mod_no = TWL4030_MODULE_INTERRUPTS,
+ .sih_ctrl = TWL4030_INTERRUPTS_BCISIHCTRL,
+ .reg_cnt = ARRAY_SIZE(twl4030_interrupts_imr_regs),
+ .imrs = twl4030_interrupts_imr_regs,
+ .isrs = twl4030_interrupts_isr_regs,
+ },
+ {
+ .mod_no = TWL4030_MODULE_MADC,
+ .sih_ctrl = TWL4030_MADC_SIH_CTRL,
+ .reg_cnt = ARRAY_SIZE(twl4030_madc_imr_regs),
+ .imrs = twl4030_madc_imr_regs,
+ .isrs = twl4030_madc_isr_regs,
+ },
+ {
+ .mod_no = TWL4030_MODULE_KEYPAD,
+ .sih_ctrl = TWL4030_KEYPAD_KEYP_SIH_CTRL,
+ .reg_cnt = ARRAY_SIZE(twl4030_keypad_imr_regs),
+ .imrs = twl4030_keypad_imr_regs,
+ .isrs = twl4030_keypad_isr_regs,
+ },
+ {
+ .mod_no = TWL4030_MODULE_GPIO,
+ .sih_ctrl = REG_GPIO_SIH_CTRL,
+ .reg_cnt = ARRAY_SIZE(twl4030_gpio_imr_regs),
+ .imrs = twl4030_gpio_imr_regs,
+ .isrs = twl4030_gpio_isr_regs,
+ },
+};
+
+/*----------------------------------------------------------------*/
+
+/* is driver active, bound to a chip? */
+static bool inuse;
+
+/* Structure for each TWL4030 Slave */
+struct twl4030_client {
+ struct i2c_client *client;
+ u8 address;
+
+ /* max numb of i2c_msg required is for read =2 */
+ struct i2c_msg xfer_msg[2];
+
+ /* To lock access to xfer_msg */
+ struct mutex xfer_lock;
+};
+
+static struct twl4030_client twl4030_modules[TWL4030_NUM_SLAVES];
+
+
+/* mapping the module id to slave id and base address */
+struct twl4030mapping {
+ unsigned char sid; /* Slave ID */
+ unsigned char base; /* base address */
+};
+
+static struct twl4030mapping twl4030_map[TWL4030_MODULE_LAST + 1] = {
+ /*
+ * NOTE: don't change this table without updating the
+ * <linux/i2c/twl4030.h> defines for TWL4030_MODULE_*
+ * so they continue to match the order in this table.
+ */
+
+ { 0, TWL4030_BASEADD_USB },
+
+ { 1, TWL4030_BASEADD_AUDIO_VOICE },
+ { 1, TWL4030_BASEADD_GPIO },
+ { 1, TWL4030_BASEADD_INTBR },
+ { 1, TWL4030_BASEADD_PIH },
+ { 1, TWL4030_BASEADD_TEST },
+
+ { 2, TWL4030_BASEADD_KEYPAD },
+ { 2, TWL4030_BASEADD_MADC },
+ { 2, TWL4030_BASEADD_INTERRUPTS },
+ { 2, TWL4030_BASEADD_LED },
+ { 2, TWL4030_BASEADD_MAIN_CHARGE },
+ { 2, TWL4030_BASEADD_PRECHARGE },
+ { 2, TWL4030_BASEADD_PWM0 },
+ { 2, TWL4030_BASEADD_PWM1 },
+ { 2, TWL4030_BASEADD_PWMA },
+ { 2, TWL4030_BASEADD_PWMB },
+
+ { 3, TWL4030_BASEADD_BACKUP },
+ { 3, TWL4030_BASEADD_INT },
+ { 3, TWL4030_BASEADD_PM_MASTER },
+ { 3, TWL4030_BASEADD_PM_RECEIVER },
+ { 3, TWL4030_BASEADD_RTC },
+ { 3, TWL4030_BASEADD_SECURED_REG },
+};
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * TWL4030 doesn't have PIH mask, hence dummy function for mask
+ * and unmask of the (eight) interrupts reported at that level ...
+ * masking is only available from SIH (secondary) modules.
+ */
+
+static void twl4030_i2c_ackirq(unsigned int irq)
+{
+}
+
+static void twl4030_i2c_disableint(unsigned int irq)
+{
+}
+
+static void twl4030_i2c_enableint(unsigned int irq)
+{
+}
+
+static struct irq_chip twl4030_irq_chip = {
+ .name = "twl4030",
+ .ack = twl4030_i2c_ackirq,
+ .mask = twl4030_i2c_disableint,
+ .unmask = twl4030_i2c_enableint,
+};
+
+/*----------------------------------------------------------------------*/
+
+/* Exported Functions */
+
+/**
+ * twl4030_i2c_write - Writes a n bit register in TWL4030
+ * @mod_no: module number
+ * @value: an array of num_bytes+1 containing data to write
+ * @reg: register address (just offset will do)
+ * @num_bytes: number of bytes to transfer
+ *
+ * IMPORTANT: for 'value' parameter: Allocate value num_bytes+1 and
+ * valid data starts at Offset 1.
+ *
+ * Returns the result of operation - 0 is success
+ */
+int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, u8 num_bytes)
+{
+ int ret;
+ int sid;
+ struct twl4030_client *twl;
+ struct i2c_msg *msg;
+
+ if (unlikely(mod_no > TWL4030_MODULE_LAST)) {
+ pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no);
+ return -EPERM;
+ }
+ sid = twl4030_map[mod_no].sid;
+ twl = &twl4030_modules[sid];
+
+ if (unlikely(!inuse)) {
+ pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid);
+ return -EPERM;
+ }
+ mutex_lock(&twl->xfer_lock);
+ /*
+ * [MSG1]: fill the register address data
+ * fill the data Tx buffer
+ */
+ msg = &twl->xfer_msg[0];
+ msg->addr = twl->address;
+ msg->len = num_bytes + 1;
+ msg->flags = 0;
+ msg->buf = value;
+ /* over write the first byte of buffer with the register address */
+ *value = twl4030_map[mod_no].base + reg;
+ ret = i2c_transfer(twl->client->adapter, twl->xfer_msg, 1);
+ mutex_unlock(&twl->xfer_lock);
+
+ /* i2cTransfer returns num messages.translate it pls.. */
+ if (ret >= 0)
+ ret = 0;
+ return ret;
+}
+EXPORT_SYMBOL(twl4030_i2c_write);
+
+/**
+ * twl4030_i2c_read - Reads a n bit register in TWL4030
+ * @mod_no: module number
+ * @value: an array of num_bytes containing data to be read
+ * @reg: register address (just offset will do)
+ * @num_bytes: number of bytes to transfer
+ *
+ * Returns result of operation - num_bytes is success else failure.
+ */
+int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, u8 num_bytes)
+{
+ int ret;
+ u8 val;
+ int sid;
+ struct twl4030_client *twl;
+ struct i2c_msg *msg;
+
+ if (unlikely(mod_no > TWL4030_MODULE_LAST)) {
+ pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no);
+ return -EPERM;
+ }
+ sid = twl4030_map[mod_no].sid;
+ twl = &twl4030_modules[sid];
+
+ if (unlikely(!inuse)) {
+ pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid);
+ return -EPERM;
+ }
+ mutex_lock(&twl->xfer_lock);
+ /* [MSG1] fill the register address data */
+ msg = &twl->xfer_msg[0];
+ msg->addr = twl->address;
+ msg->len = 1;
+ msg->flags = 0; /* Read the register value */
+ val = twl4030_map[mod_no].base + reg;
+ msg->buf = &val;
+ /* [MSG2] fill the data rx buffer */
+ msg = &twl->xfer_msg[1];
+ msg->addr = twl->address;
+ msg->flags = I2C_M_RD; /* Read the register value */
+ msg->len = num_bytes; /* only n bytes */
+ msg->buf = value;
+ ret = i2c_transfer(twl->client->adapter, twl->xfer_msg, 2);
+ mutex_unlock(&twl->xfer_lock);
+
+ /* i2cTransfer returns num messages.translate it pls.. */
+ if (ret >= 0)
+ ret = 0;
+ return ret;
+}
+EXPORT_SYMBOL(twl4030_i2c_read);
+
+/**
+ * twl4030_i2c_write_u8 - Writes a 8 bit register in TWL4030
+ * @mod_no: module number
+ * @value: the value to be written 8 bit
+ * @reg: register address (just offset will do)
+ *
+ * Returns result of operation - 0 is success
+ */
+int twl4030_i2c_write_u8(u8 mod_no, u8 value, u8 reg)
+{
+
+ /* 2 bytes offset 1 contains the data offset 0 is used by i2c_write */
+ u8 temp_buffer[2] = { 0 };
+ /* offset 1 contains the data */
+ temp_buffer[1] = value;
+ return twl4030_i2c_write(mod_no, temp_buffer, reg, 1);
+}
+EXPORT_SYMBOL(twl4030_i2c_write_u8);
+
+/**
+ * twl4030_i2c_read_u8 - Reads a 8 bit register from TWL4030
+ * @mod_no: module number
+ * @value: the value read 8 bit
+ * @reg: register address (just offset will do)
+ *
+ * Returns result of operation - 0 is success
+ */
+int twl4030_i2c_read_u8(u8 mod_no, u8 *value, u8 reg)
+{
+ return twl4030_i2c_read(mod_no, value, reg, 1);
+}
+EXPORT_SYMBOL(twl4030_i2c_read_u8);
+
+/*----------------------------------------------------------------------*/
+
+static unsigned twl4030_irq_base;
+
+static struct completion irq_event;
+
+/*
+ * This thread processes interrupts reported by the Primary Interrupt Handler.
+ */
+static int twl4030_irq_thread(void *data)
+{
+ long irq = (long)data;
+ irq_desc_t *desc = irq_desc + irq;
+ static unsigned i2c_errors;
+ const static unsigned max_i2c_errors = 100;
+
+ current->flags |= PF_NOFREEZE;
+
+ while (!kthread_should_stop()) {
+ int ret;
+ int module_irq;
+ u8 pih_isr;
+
+ /* Wait for IRQ, then read PIH irq status (also blocking) */
+ wait_for_completion_interruptible(&irq_event);
+
+ ret = twl4030_i2c_read_u8(TWL4030_MODULE_PIH, &pih_isr,
+ REG_PIH_ISR_P1);
+ if (ret) {
+ pr_warning("%s: I2C error %d reading PIH ISR\n",
+ DRIVER_NAME, ret);
+ if (++i2c_errors >= max_i2c_errors) {
+ printk(KERN_ERR "Maximum I2C error count"
+ " exceeded. Terminating %s.\n",
+ __func__);
+ break;
+ }
+ complete(&irq_event);
+ continue;
+ }
+
+ /* these handlers deal with the relevant SIH irq status */
+ local_irq_disable();
+ for (module_irq = twl4030_irq_base;
+ pih_isr;
+ pih_isr >>= 1, module_irq++) {
+ if (pih_isr & 0x1) {
+ irq_desc_t *d = irq_desc + module_irq;
+
+ d->handle_irq(module_irq, d);
+ }
+ }
+ local_irq_enable();
+
+ desc->chip->unmask(irq);
+ }
+
+ return 0;
+}
+
+/*
+ * do_twl4030_irq() is the desc->handle method for the twl4030 interrupt.
+ * This is a chained interrupt, so there is no desc->action method for it.
+ * Now we need to query the interrupt controller in the twl4030 to determine
+ * which module is generating the interrupt request. However, we can't do i2c
+ * transactions in interrupt context, so we must defer that work to a kernel
+ * thread. All we do here is acknowledge and mask the interrupt and wakeup
+ * the kernel thread.
+ */
+static void do_twl4030_irq(unsigned int irq, irq_desc_t *desc)
+{
+ const unsigned int cpu = smp_processor_id();
+
+ /*
+ * Earlier this was desc->triggered = 1;
+ */
+ desc->status |= IRQ_LEVEL;
+
+ /*
+ * Acknowledge, clear _AND_ disable the interrupt.
+ */
+ desc->chip->ack(irq);
+
+ if (!desc->depth) {
+ kstat_cpu(cpu).irqs[irq]++;
+
+ complete(&irq_event);
+ }
+}
+
+static struct task_struct * __init start_twl4030_irq_thread(long irq)
+{
+ struct task_struct *thread;
+
+ init_completion(&irq_event);
+ thread = kthread_run(twl4030_irq_thread, (void *)irq, "twl4030-irq");
+ if (!thread)
+ pr_err("%s: could not create twl4030 irq %ld thread!\n",
+ DRIVER_NAME, irq);
+
+ return thread;
+}
+
+/*----------------------------------------------------------------------*/
+
+static int add_children(struct twl4030_platform_data *pdata)
+{
+ struct platform_device *pdev = NULL;
+ struct twl4030_client *twl = NULL;
+ int status = 0;
+
+ if (twl_has_bci() && pdata->bci) {
+ twl = &twl4030_modules[3];
+
+ pdev = platform_device_alloc("twl4030_bci", -1);
+ if (!pdev) {
+ pr_debug("%s: can't alloc bci dev\n", DRIVER_NAME);
+ status = -ENOMEM;
+ goto err;
+ }
+
+ if (status == 0) {
+ pdev->dev.parent = &twl->client->dev;
+ status = platform_device_add_data(pdev, pdata->bci,
+ sizeof(*pdata->bci));
+ if (status < 0) {
+ dev_dbg(&twl->client->dev,
+ "can't add bci data, %d\n",
+ status);
+ goto err;
+ }
+ }
+
+ if (status == 0) {
+ struct resource r = {
+ .start = TWL4030_PWRIRQ_CHG_PRES,
+ .flags = IORESOURCE_IRQ,
+ };
+
+ status = platform_device_add_resources(pdev, &r, 1);
+ }
+
+ if (status == 0)
+ status = platform_device_add(pdev);
+
+ if (status < 0) {
+ platform_device_put(pdev);
+ dev_dbg(&twl->client->dev,
+ "can't create bci dev, %d\n",
+ status);
+ goto err;
+ }
+ }
+
+ if (twl_has_gpio() && pdata->gpio) {
+ twl = &twl4030_modules[1];
+
+ pdev = platform_device_alloc("twl4030_gpio", -1);
+ if (!pdev) {
+ pr_debug("%s: can't alloc gpio dev\n", DRIVER_NAME);
+ status = -ENOMEM;
+ goto err;
+ }
+
+ /* more driver model init */
+ if (status == 0) {
+ pdev->dev.parent = &twl->client->dev;
+ /* device_init_wakeup(&pdev->dev, 1); */
+
+ status = platform_device_add_data(pdev, pdata->gpio,
+ sizeof(*pdata->gpio));
+ if (status < 0) {
+ dev_dbg(&twl->client->dev,
+ "can't add gpio data, %d\n",
+ status);
+ goto err;
+ }
+ }
+
+ /* GPIO module IRQ */
+ if (status == 0) {
+ struct resource r = {
+ .start = pdata->irq_base + 0,
+ .flags = IORESOURCE_IRQ,
+ };
+
+ status = platform_device_add_resources(pdev, &r, 1);
+ }
+
+ if (status == 0)
+ status = platform_device_add(pdev);
+
+ if (status < 0) {
+ platform_device_put(pdev);
+ dev_dbg(&twl->client->dev,
+ "can't create gpio dev, %d\n",
+ status);
+ goto err;
+ }
+ }
+
+ if (twl_has_keypad() && pdata->keypad) {
+ pdev = platform_device_alloc("twl4030_keypad", -1);
+ if (pdev) {
+ twl = &twl4030_modules[2];
+ pdev->dev.parent = &twl->client->dev;
+ device_init_wakeup(&pdev->dev, 1);
+ status = platform_device_add_data(pdev, pdata->keypad,
+ sizeof(*pdata->keypad));
+ if (status < 0) {
+ dev_dbg(&twl->client->dev,
+ "can't add keypad data, %d\n",
+ status);
+ platform_device_put(pdev);
+ goto err;
+ }
+ status = platform_device_add(pdev);
+ if (status < 0) {
+ platform_device_put(pdev);
+ dev_dbg(&twl->client->dev,
+ "can't create keypad dev, %d\n",
+ status);
+ goto err;
+ }
+ } else {
+ pr_debug("%s: can't alloc keypad dev\n", DRIVER_NAME);
+ status = -ENOMEM;
+ goto err;
+ }
+ }
+
+ if (twl_has_madc() && pdata->madc) {
+ pdev = platform_device_alloc("twl4030_madc", -1);
+ if (pdev) {
+ twl = &twl4030_modules[2];
+ pdev->dev.parent = &twl->client->dev;
+ device_init_wakeup(&pdev->dev, 1);
+ status = platform_device_add_data(pdev, pdata->madc,
+ sizeof(*pdata->madc));
+ if (status < 0) {
+ platform_device_put(pdev);
+ dev_dbg(&twl->client->dev,
+ "can't add madc data, %d\n",
+ status);
+ goto err;
+ }
+ status = platform_device_add(pdev);
+ if (status < 0) {
+ platform_device_put(pdev);
+ dev_dbg(&twl->client->dev,
+ "can't create madc dev, %d\n",
+ status);
+ goto err;
+ }
+ } else {
+ pr_debug("%s: can't alloc madc dev\n", DRIVER_NAME);
+ status = -ENOMEM;
+ goto err;
+ }
+ }
+
+ if (twl_has_rtc()) {
+ twl = &twl4030_modules[3];
+
+ pdev = platform_device_alloc("twl4030_rtc", -1);
+ if (!pdev) {
+ pr_debug("%s: can't alloc rtc dev\n", DRIVER_NAME);
+ status = -ENOMEM;
+ } else {
+ pdev->dev.parent = &twl->client->dev;
+ device_init_wakeup(&pdev->dev, 1);
+ }
+
+ /*
+ * REVISIT platform_data here currently might use of
+ * "msecure" line ... but for now we just expect board
+ * setup to tell the chip "we are secure" at all times.
+ * Eventually, Linux might become more aware of such
+ * HW security concerns, and "least privilege".
+ */
+
+ /* RTC module IRQ */
+ if (status == 0) {
+ struct resource r = {
+ /* REVISIT don't hard-wire this stuff */
+ .start = TWL4030_PWRIRQ_RTC,
+ .flags = IORESOURCE_IRQ,
+ };
+
+ status = platform_device_add_resources(pdev, &r, 1);
+ }
+
+ if (status == 0)
+ status = platform_device_add(pdev);
+
+ if (status < 0) {
+ platform_device_put(pdev);
+ dev_dbg(&twl->client->dev,
+ "can't create rtc dev, %d\n",
+ status);
+ goto err;
+ }
+ }
+
+ if (twl_has_usb() && pdata->usb) {
+ twl = &twl4030_modules[0];
+
+ pdev = platform_device_alloc("twl4030_usb", -1);
+ if (!pdev) {
+ pr_debug("%s: can't alloc usb dev\n", DRIVER_NAME);
+ status = -ENOMEM;
+ goto err;
+ }
+
+ if (status == 0) {
+ pdev->dev.parent = &twl->client->dev;
+ device_init_wakeup(&pdev->dev, 1);
+ status = platform_device_add_data(pdev, pdata->usb,
+ sizeof(*pdata->usb));
+ if (status < 0) {
+ platform_device_put(pdev);
+ dev_dbg(&twl->client->dev,
+ "can't add usb data, %d\n",
+ status);
+ goto err;
+ }
+ }
+
+ if (status == 0) {
+ struct resource r = {
+ .start = TWL4030_PWRIRQ_USB_PRES,
+ .flags = IORESOURCE_IRQ,
+ };
+
+ status = platform_device_add_resources(pdev, &r, 1);
+ }
+
+ if (status == 0)
+ status = platform_device_add(pdev);
+
+ if (status < 0) {
+ platform_device_put(pdev);
+ dev_dbg(&twl->client->dev,
+ "can't create usb dev, %d\n",
+ status);
+ }
+ }
+
+err:
+ if (status)
+ pr_err("failed to add twl4030's children (status %d)\n", status);
+ return status;
+}
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * These three functions initialize the on-chip clock framework,
+ * letting it generate the right frequencies for USB, MADC, and
+ * other purposes.
+ */
+static inline int __init protect_pm_master(void)
+{
+ int e = 0;
+
+ e = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, KEY_LOCK,
+ R_PROTECT_KEY);
+ return e;
+}
+
+static inline int __init unprotect_pm_master(void)
+{
+ int e = 0;
+
+ e |= twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, KEY_UNLOCK1,
+ R_PROTECT_KEY);
+ e |= twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, KEY_UNLOCK2,
+ R_PROTECT_KEY);
+ return e;
+}
+
+static void __init clocks_init(void)
+{
+ int e = 0;
+ struct clk *osc;
+ u32 rate;
+ u8 ctrl = HFCLK_FREQ_26_MHZ;
+
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+ if (cpu_is_omap2430())
+ osc = clk_get(NULL, "osc_ck");
+ else
+ osc = clk_get(NULL, "osc_sys_ck");
+#else
+ /* REVISIT for non-OMAP systems, pass the clock rate from
+ * board init code, using platform_data.
+ */
+ osc = ERR_PTR(-EIO);
+#endif
+ if (IS_ERR(osc)) {
+ printk(KERN_WARNING "Skipping twl4030 internal clock init and "
+ "using bootloader value (unknown osc rate)\n");
+ return;
+ }
+
+ rate = clk_get_rate(osc);
+ clk_put(osc);
+
+ switch (rate) {
+ case 19200000:
+ ctrl = HFCLK_FREQ_19p2_MHZ;
+ break;
+ case 26000000:
+ ctrl = HFCLK_FREQ_26_MHZ;
+ break;
+ case 38400000:
+ ctrl = HFCLK_FREQ_38p4_MHZ;
+ break;
+ }
+
+ ctrl |= HIGH_PERF_SQ;
+ e |= unprotect_pm_master();
+ /* effect->MADC+USB ck en */
+ e |= twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, ctrl, R_CFG_BOOT);
+ e |= protect_pm_master();
+
+ if (e < 0)
+ pr_err("%s: clock init err [%d]\n", DRIVER_NAME, e);
+}
+
+/*----------------------------------------------------------------------*/
+
+/**
+ * twl4030_i2c_clear_isr - clear TWL4030 SIH ISR regs via read + write
+ * @mod_no: TWL4030 module number
+ * @reg: register index to clear
+ * @cor: value of the <module>_SIH_CTRL.COR bit (1 or 0)
+ *
+ * Either reads (cor == 1) or writes (cor == 0) to a TWL4030 interrupt
+ * status register to ensure that any prior interrupts are cleared.
+ * Returns the status from the I2C read operation.
+ */
+static int __init twl4030_i2c_clear_isr(u8 mod_no, u8 reg, u8 cor)
+{
+ u8 tmp;
+
+ return (cor) ? twl4030_i2c_read_u8(mod_no, &tmp, reg) :
+ twl4030_i2c_write_u8(mod_no, 0xff, reg);
+}
+
+/**
+ * twl4030_read_cor_bit - are TWL module ISRs cleared by reads or writes?
+ * @mod_no: TWL4030 module number
+ * @reg: register index to clear
+ *
+ * Returns 1 if the TWL4030 SIH interrupt status registers (ISRs) for
+ * the specified TWL module are cleared by reads, or 0 if cleared by
+ * writes.
+ */
+static int twl4030_read_cor_bit(u8 mod_no, u8 reg)
+{
+ u8 tmp = 0;
+
+ WARN_ON(twl4030_i2c_read_u8(mod_no, &tmp, reg) < 0);
+
+ tmp &= TWL4030_SIH_CTRL_COR_MASK;
+ tmp >>= __ffs(TWL4030_SIH_CTRL_COR_MASK);
+
+ return tmp;
+}
+
+/**
+ * twl4030_mask_clear_intrs - mask and clear all TWL4030 interrupts
+ * @t: pointer to twl4030_mod_iregs array
+ * @t_sz: ARRAY_SIZE(t) (starting at 1)
+ *
+ * Mask all TWL4030 interrupt mask registers (IMRs) and clear all
+ * interrupt status registers (ISRs). No return value, but will WARN if
+ * any I2C operations fail.
+ */
+static void __init twl4030_mask_clear_intrs(const struct twl4030_mod_iregs *t,
+ const u8 t_sz)
+{
+ int i, j;
+
+ /*
+ * N.B. - further efficiency is possible here. Eight I2C
+ * operations on BCI and GPIO modules are avoidable if I2C
+ * burst read/write transactions were implemented. Would
+ * probably save about 1ms of boot time and a small amount of
+ * power.
+ */
+ for (i = 0; i < t_sz; i++) {
+ const struct twl4030_mod_iregs tmr = t[i];
+ int cor;
+
+ /* Are ISRs cleared by reads or writes? */
+ cor = twl4030_read_cor_bit(tmr.mod_no, tmr.sih_ctrl);
+
+ for (j = 0; j < tmr.reg_cnt; j++) {
+
+ /* Mask interrupts at the TWL4030 */
+ WARN_ON(twl4030_i2c_write_u8(tmr.mod_no, 0xff,
+ tmr.imrs[j]) < 0);
+
+ /* Clear TWL4030 ISRs */
+ WARN_ON(twl4030_i2c_clear_isr(tmr.mod_no,
+ tmr.isrs[j], cor) < 0);
+ }
+ }
+}
+
+
+static void twl_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
+{
+ int i;
+
+ /*
+ * Mask and clear all TWL4030 interrupts since initially we do
+ * not have any TWL4030 module interrupt handlers present
+ */
+ twl4030_mask_clear_intrs(twl4030_mod_regs,
+ ARRAY_SIZE(twl4030_mod_regs));
+
+ twl4030_irq_base = irq_base;
+
+ /* install an irq handler for each of the PIH modules */
+ for (i = irq_base; i < irq_end; i++) {
+ set_irq_chip_and_handler(i, &twl4030_irq_chip,
+ handle_simple_irq);
+ activate_irq(i);
+ }
+
+ /* install an irq handler to demultiplex the TWL4030 interrupt */
+ set_irq_data(irq_num, start_twl4030_irq_thread(irq_num));
+ set_irq_chained_handler(irq_num, do_twl4030_irq);
+}
+
+/*----------------------------------------------------------------------*/
+
+static int twl4030_remove(struct i2c_client *client)
+{
+ unsigned i;
+
+ /* FIXME undo twl_init_irq() */
+ if (twl4030_irq_base) {
+ dev_err(&client->dev, "can't yet clean up IRQs?\n");
+ return -ENOSYS;
+ }
+
+ for (i = 0; i < TWL4030_NUM_SLAVES; i++) {
+ struct twl4030_client *twl = &twl4030_modules[i];
+
+ if (twl->client && twl->client != client)
+ i2c_unregister_device(twl->client);
+ twl4030_modules[i].client = NULL;
+ }
+ inuse = false;
+ return 0;
+}
+
+/* NOTE: this driver only handles a single twl4030/tps659x0 chip */
+static int
+twl4030_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+ int status;
+ unsigned i;
+ struct twl4030_platform_data *pdata = client->dev.platform_data;
+
+ if (!pdata) {
+ dev_dbg(&client->dev, "no platform data?\n");
+ return -EINVAL;
+ }
+
+ if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) {
+ dev_dbg(&client->dev, "can't talk I2C?\n");
+ return -EIO;
+ }
+
+ if (inuse || twl4030_irq_base) {
+ dev_dbg(&client->dev, "driver is already in use\n");
+ return -EBUSY;
+ }
+
+ for (i = 0; i < TWL4030_NUM_SLAVES; i++) {
+ struct twl4030_client *twl = &twl4030_modules[i];
+
+ twl->address = client->addr + i;
+ if (i == 0)
+ twl->client = client;
+ else {
+ twl->client = i2c_new_dummy(client->adapter,
+ twl->address);
+ if (!twl->client) {
+ dev_err(&twl->client->dev,
+ "can't attach client %d\n", i);
+ status = -ENOMEM;
+ goto fail;
+ }
+ strlcpy(twl->client->name, id->name,
+ sizeof(twl->client->name));
+ }
+ mutex_init(&twl->xfer_lock);
+ }
+ inuse = true;
+
+ /* setup clock framework */
+ clocks_init();
+
+ /* Maybe init the T2 Interrupt subsystem */
+ if (client->irq
+ && pdata->irq_base
+ && pdata->irq_end > pdata->irq_base) {
+ twl_init_irq(client->irq, pdata->irq_base, pdata->irq_end);
+ dev_info(&client->dev, "IRQ %d chains IRQs %d..%d\n",
+ client->irq, pdata->irq_base, pdata->irq_end - 1);
+ }
+
+ status = add_children(pdata);
+fail:
+ if (status < 0)
+ twl4030_remove(client);
+ return status;
+}
+
+static const struct i2c_device_id twl4030_ids[] = {
+ { "twl4030", 0 }, /* "Triton 2" */
+ { "tps65950", 0 }, /* catalog version of twl4030 */
+ { "tps65930", 0 }, /* fewer LDOs and DACs; no charger */
+ { "tps65920", 0 }, /* fewer LDOs; no codec or charger */
+ { "twl5030", 0 }, /* T2 updated */
+ { /* end of list */ },
+};
+MODULE_DEVICE_TABLE(i2c, twl4030_ids);
+
+/* One Client Driver , 4 Clients */
+static struct i2c_driver twl4030_driver = {
+ .driver.name = DRIVER_NAME,
+ .id_table = twl4030_ids,
+ .probe = twl4030_probe,
+ .remove = twl4030_remove,
+};
+
+static int __init twl4030_init(void)
+{
+ return i2c_add_driver(&twl4030_driver);
+}
+subsys_initcall(twl4030_init);
+
+static void __exit twl4030_exit(void)
+{
+ i2c_del_driver(&twl4030_driver);
+}
+module_exit(twl4030_exit);
+
+MODULE_AUTHOR("Texas Instruments, Inc.");
+MODULE_DESCRIPTION("I2C Core interface for TWL4030");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index 25a7a5d08bc..bf87f675e7f 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -1217,7 +1217,7 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
mutex_init(&wm8350->irq_mutex);
INIT_WORK(&wm8350->irq_work, wm8350_irq_worker);
- if (irq != NO_IRQ) {
+ if (irq) {
ret = request_irq(irq, wm8350_irq, 0,
"wm8350", wm8350);
if (ret != 0) {
diff --git a/drivers/misc/hp-wmi.c b/drivers/misc/hp-wmi.c
index 5dabfb69ee5..4b7c24c519c 100644
--- a/drivers/misc/hp-wmi.c
+++ b/drivers/misc/hp-wmi.c
@@ -82,6 +82,7 @@ static struct key_entry hp_wmi_keymap[] = {
{KE_KEY, 0x03, KEY_BRIGHTNESSDOWN},
{KE_KEY, 0x20e6, KEY_PROG1},
{KE_KEY, 0x2142, KEY_MEDIA},
+ {KE_KEY, 0x213b, KEY_INFO},
{KE_KEY, 0x231b, KEY_HELP},
{KE_END, 0}
};
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 406989e992b..7a72e75d5c6 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -132,6 +132,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
blk_queue_prep_rq(mq->queue, mmc_prep_request);
blk_queue_ordered(mq->queue, QUEUE_ORDERED_DRAIN, NULL);
+ queue_flag_set_unlocked(QUEUE_FLAG_NONROT, mq->queue);
#ifdef CONFIG_MMC_BLOCK_BOUNCE
if (host->max_hw_segs == 1) {
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index ae16d845d74..3b2085b5776 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -3,6 +3,9 @@
*
* Copyright (C) 2004-2006 maintech GmbH, Thomas Kleffel <tk@maintech.de>
*
+ * Current driver maintained by Ben Dooks and Simtec Electronics
+ * Copyright (C) 2008 Simtec Electronics <ben-linux@fluff.org>
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
@@ -13,6 +16,7 @@
#include <linux/clk.h>
#include <linux/mmc/host.h>
#include <linux/platform_device.h>
+#include <linux/cpufreq.h>
#include <linux/irq.h>
#include <linux/io.h>
@@ -39,9 +43,9 @@ enum dbg_channels {
dbg_conf = (1 << 8),
};
-static const int dbgmap_err = dbg_err | dbg_fail;
+static const int dbgmap_err = dbg_fail;
static const int dbgmap_info = dbg_info | dbg_conf;
-static const int dbgmap_debug = dbg_debug;
+static const int dbgmap_debug = dbg_err | dbg_debug;
#define dbg(host, channels, args...) \
do { \
@@ -189,7 +193,7 @@ static inline void clear_imask(struct s3cmci_host *host)
}
static inline int get_data_buffer(struct s3cmci_host *host,
- u32 *words, u32 **pointer)
+ u32 *bytes, u32 **pointer)
{
struct scatterlist *sg;
@@ -206,7 +210,7 @@ static inline int get_data_buffer(struct s3cmci_host *host,
}
sg = &host->mrq->data->sg[host->pio_sgptr];
- *words = sg->length >> 2;
+ *bytes = sg->length;
*pointer = sg_virt(sg);
host->pio_sgptr++;
@@ -222,7 +226,7 @@ static inline u32 fifo_count(struct s3cmci_host *host)
u32 fifostat = readl(host->base + S3C2410_SDIFSTA);
fifostat &= S3C2410_SDIFSTA_COUNTMASK;
- return fifostat >> 2;
+ return fifostat;
}
static inline u32 fifo_free(struct s3cmci_host *host)
@@ -230,13 +234,15 @@ static inline u32 fifo_free(struct s3cmci_host *host)
u32 fifostat = readl(host->base + S3C2410_SDIFSTA);
fifostat &= S3C2410_SDIFSTA_COUNTMASK;
- return (63 - fifostat) >> 2;
+ return 63 - fifostat;
}
static void do_pio_read(struct s3cmci_host *host)
{
int res;
u32 fifo;
+ u32 *ptr;
+ u32 fifo_words;
void __iomem *from_ptr;
/* write real prescaler to host, it might be set slow to fix */
@@ -245,8 +251,8 @@ static void do_pio_read(struct s3cmci_host *host)
from_ptr = host->base + host->sdidata;
while ((fifo = fifo_count(host))) {
- if (!host->pio_words) {
- res = get_data_buffer(host, &host->pio_words,
+ if (!host->pio_bytes) {
+ res = get_data_buffer(host, &host->pio_bytes,
&host->pio_ptr);
if (res) {
host->pio_active = XFER_NONE;
@@ -259,26 +265,47 @@ static void do_pio_read(struct s3cmci_host *host)
dbg(host, dbg_pio,
"pio_read(): new target: [%i]@[%p]\n",
- host->pio_words, host->pio_ptr);
+ host->pio_bytes, host->pio_ptr);
}
dbg(host, dbg_pio,
"pio_read(): fifo:[%02i] buffer:[%03i] dcnt:[%08X]\n",
- fifo, host->pio_words,
+ fifo, host->pio_bytes,
readl(host->base + S3C2410_SDIDCNT));
- if (fifo > host->pio_words)
- fifo = host->pio_words;
+ /* If we have reached the end of the block, we can
+ * read a word and get 1 to 3 bytes. If we in the
+ * middle of the block, we have to read full words,
+ * otherwise we will write garbage, so round down to
+ * an even multiple of 4. */
+ if (fifo >= host->pio_bytes)
+ fifo = host->pio_bytes;
+ else
+ fifo -= fifo & 3;
- host->pio_words -= fifo;
+ host->pio_bytes -= fifo;
host->pio_count += fifo;
- while (fifo--)
- *(host->pio_ptr++) = readl(from_ptr);
+ fifo_words = fifo >> 2;
+ ptr = host->pio_ptr;
+ while (fifo_words--)
+ *ptr++ = readl(from_ptr);
+ host->pio_ptr = ptr;
+
+ if (fifo & 3) {
+ u32 n = fifo & 3;
+ u32 data = readl(from_ptr);
+ u8 *p = (u8 *)host->pio_ptr;
+
+ while (n--) {
+ *p++ = data;
+ data >>= 8;
+ }
+ }
}
- if (!host->pio_words) {
- res = get_data_buffer(host, &host->pio_words, &host->pio_ptr);
+ if (!host->pio_bytes) {
+ res = get_data_buffer(host, &host->pio_bytes, &host->pio_ptr);
if (res) {
dbg(host, dbg_pio,
"pio_read(): complete (no more buffers).\n");
@@ -298,12 +325,13 @@ static void do_pio_write(struct s3cmci_host *host)
void __iomem *to_ptr;
int res;
u32 fifo;
+ u32 *ptr;
to_ptr = host->base + host->sdidata;
while ((fifo = fifo_free(host))) {
- if (!host->pio_words) {
- res = get_data_buffer(host, &host->pio_words,
+ if (!host->pio_bytes) {
+ res = get_data_buffer(host, &host->pio_bytes,
&host->pio_ptr);
if (res) {
dbg(host, dbg_pio,
@@ -315,18 +343,27 @@ static void do_pio_write(struct s3cmci_host *host)
dbg(host, dbg_pio,
"pio_write(): new source: [%i]@[%p]\n",
- host->pio_words, host->pio_ptr);
+ host->pio_bytes, host->pio_ptr);
}
- if (fifo > host->pio_words)
- fifo = host->pio_words;
+ /* If we have reached the end of the block, we have to
+ * write exactly the remaining number of bytes. If we
+ * in the middle of the block, we have to write full
+ * words, so round down to an even multiple of 4. */
+ if (fifo >= host->pio_bytes)
+ fifo = host->pio_bytes;
+ else
+ fifo -= fifo & 3;
- host->pio_words -= fifo;
+ host->pio_bytes -= fifo;
host->pio_count += fifo;
+ fifo = (fifo + 3) >> 2;
+ ptr = host->pio_ptr;
while (fifo--)
- writel(*(host->pio_ptr++), to_ptr);
+ writel(*ptr++, to_ptr);
+ host->pio_ptr = ptr;
}
enable_imask(host, S3C2410_SDIIMSK_TXFIFOHALF);
@@ -349,9 +386,9 @@ static void pio_tasklet(unsigned long data)
clear_imask(host);
if (host->pio_active != XFER_NONE) {
dbg(host, dbg_err, "unfinished %s "
- "- pio_count:[%u] pio_words:[%u]\n",
+ "- pio_count:[%u] pio_bytes:[%u]\n",
(host->pio_active == XFER_READ) ? "read" : "write",
- host->pio_count, host->pio_words);
+ host->pio_count, host->pio_bytes);
if (host->mrq->data)
host->mrq->data->error = -EINVAL;
@@ -812,11 +849,10 @@ static int s3cmci_setup_data(struct s3cmci_host *host, struct mmc_data *data)
/* We cannot deal with unaligned blocks with more than
* one block being transfered. */
- if (data->blocks > 1)
+ if (data->blocks > 1) {
+ pr_warning("%s: can't do non-word sized block transfers (blksz %d)\n", __func__, data->blksz);
return -EINVAL;
-
- /* No support yet for non-word block transfers. */
- return -EINVAL;
+ }
}
while (readl(host->base + S3C2410_SDIDSTA) &
@@ -896,7 +932,7 @@ static int s3cmci_prepare_pio(struct s3cmci_host *host, struct mmc_data *data)
BUG_ON((data->flags & BOTH_DIR) == BOTH_DIR);
host->pio_sgptr = 0;
- host->pio_words = 0;
+ host->pio_bytes = 0;
host->pio_count = 0;
host->pio_active = rw ? XFER_WRITE : XFER_READ;
@@ -1033,10 +1069,33 @@ static void s3cmci_request(struct mmc_host *mmc, struct mmc_request *mrq)
s3cmci_send_request(mmc);
}
+static void s3cmci_set_clk(struct s3cmci_host *host, struct mmc_ios *ios)
+{
+ u32 mci_psc;
+
+ /* Set clock */
+ for (mci_psc = 0; mci_psc < 255; mci_psc++) {
+ host->real_rate = host->clk_rate / (host->clk_div*(mci_psc+1));
+
+ if (host->real_rate <= ios->clock)
+ break;
+ }
+
+ if (mci_psc > 255)
+ mci_psc = 255;
+
+ host->prescaler = mci_psc;
+ writel(host->prescaler, host->base + S3C2410_SDIPRE);
+
+ /* If requested clock is 0, real_rate will be 0, too */
+ if (ios->clock == 0)
+ host->real_rate = 0;
+}
+
static void s3cmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
{
struct s3cmci_host *host = mmc_priv(mmc);
- u32 mci_psc, mci_con;
+ u32 mci_con;
/* Set the power state */
@@ -1074,23 +1133,7 @@ static void s3cmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
break;
}
- /* Set clock */
- for (mci_psc = 0; mci_psc < 255; mci_psc++) {
- host->real_rate = host->clk_rate / (host->clk_div*(mci_psc+1));
-
- if (host->real_rate <= ios->clock)
- break;
- }
-
- if (mci_psc > 255)
- mci_psc = 255;
-
- host->prescaler = mci_psc;
- writel(host->prescaler, host->base + S3C2410_SDIPRE);
-
- /* If requested clock is 0, real_rate will be 0, too */
- if (ios->clock == 0)
- host->real_rate = 0;
+ s3cmci_set_clk(host, ios);
/* Set CLOCK_ENABLE */
if (ios->clock)
@@ -1148,6 +1191,61 @@ static struct s3c24xx_mci_pdata s3cmci_def_pdata = {
* checks. Any zero fields to ensure reaonable defaults are picked. */
};
+#ifdef CONFIG_CPU_FREQ
+
+static int s3cmci_cpufreq_transition(struct notifier_block *nb,
+ unsigned long val, void *data)
+{
+ struct s3cmci_host *host;
+ struct mmc_host *mmc;
+ unsigned long newclk;
+ unsigned long flags;
+
+ host = container_of(nb, struct s3cmci_host, freq_transition);
+ newclk = clk_get_rate(host->clk);
+ mmc = host->mmc;
+
+ if ((val == CPUFREQ_PRECHANGE && newclk > host->clk_rate) ||
+ (val == CPUFREQ_POSTCHANGE && newclk < host->clk_rate)) {
+ spin_lock_irqsave(&mmc->lock, flags);
+
+ host->clk_rate = newclk;
+
+ if (mmc->ios.power_mode != MMC_POWER_OFF &&
+ mmc->ios.clock != 0)
+ s3cmci_set_clk(host, &mmc->ios);
+
+ spin_unlock_irqrestore(&mmc->lock, flags);
+ }
+
+ return 0;
+}
+
+static inline int s3cmci_cpufreq_register(struct s3cmci_host *host)
+{
+ host->freq_transition.notifier_call = s3cmci_cpufreq_transition;
+
+ return cpufreq_register_notifier(&host->freq_transition,
+ CPUFREQ_TRANSITION_NOTIFIER);
+}
+
+static inline void s3cmci_cpufreq_deregister(struct s3cmci_host *host)
+{
+ cpufreq_unregister_notifier(&host->freq_transition,
+ CPUFREQ_TRANSITION_NOTIFIER);
+}
+
+#else
+static inline int s3cmci_cpufreq_register(struct s3cmci_host *host)
+{
+ return 0;
+}
+
+static inline void s3cmci_cpufreq_deregister(struct s3cmci_host *host)
+{
+}
+#endif
+
static int __devinit s3cmci_probe(struct platform_device *pdev, int is2440)
{
struct s3cmci_host *host;
@@ -1298,10 +1396,16 @@ static int __devinit s3cmci_probe(struct platform_device *pdev, int is2440)
(host->is2440?"2440":""),
host->base, host->irq, host->irq_cd, host->dma);
+ ret = s3cmci_cpufreq_register(host);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to register cpufreq\n");
+ goto free_dmabuf;
+ }
+
ret = mmc_add_host(mmc);
if (ret) {
dev_err(&pdev->dev, "failed to add mmc host.\n");
- goto free_dmabuf;
+ goto free_cpufreq;
}
platform_set_drvdata(pdev, mmc);
@@ -1309,6 +1413,9 @@ static int __devinit s3cmci_probe(struct platform_device *pdev, int is2440)
return 0;
+ free_cpufreq:
+ s3cmci_cpufreq_deregister(host);
+
free_dmabuf:
clk_disable(host->clk);
@@ -1342,6 +1449,7 @@ static void s3cmci_shutdown(struct platform_device *pdev)
if (host->irq_cd >= 0)
free_irq(host->irq_cd, host);
+ s3cmci_cpufreq_deregister(host);
mmc_remove_host(mmc);
clk_disable(host->clk);
}
@@ -1455,7 +1563,7 @@ module_exit(s3cmci_exit);
MODULE_DESCRIPTION("Samsung S3C MMC/SD Card Interface driver");
MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Thomas Kleffel <tk@maintech.de>");
+MODULE_AUTHOR("Thomas Kleffel <tk@maintech.de>, Ben Dooks <ben-linux@fluff.org>");
MODULE_ALIAS("platform:s3c2410-sdi");
MODULE_ALIAS("platform:s3c2412-sdi");
MODULE_ALIAS("platform:s3c2440-sdi");
diff --git a/drivers/mmc/host/s3cmci.h b/drivers/mmc/host/s3cmci.h
index 37d9c60010c..ca1ba3d58cf 100644
--- a/drivers/mmc/host/s3cmci.h
+++ b/drivers/mmc/host/s3cmci.h
@@ -51,7 +51,7 @@ struct s3cmci_host {
int dma_complete;
u32 pio_sgptr;
- u32 pio_words;
+ u32 pio_bytes;
u32 pio_count;
u32 *pio_ptr;
#define XFER_NONE 0
@@ -67,4 +67,8 @@ struct s3cmci_host {
unsigned int ccnt, dcnt;
struct tasklet_struct pio_tasklet;
+
+#ifdef CONFIG_CPU_FREQ
+ struct notifier_block freq_transition;
+#endif
};
diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index 14f11f8b9e5..a90d50c2c3e 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -172,6 +172,11 @@ config MTD_CHAR
memory chips, and also use ioctl() to obtain information about
the device, or to erase parts of it.
+config HAVE_MTD_OTP
+ bool
+ help
+ Enable access to OTP regions using MTD_CHAR.
+
config MTD_BLKDEVS
tristate "Common interface to block layer for MTD 'translation layers'"
depends on BLOCK
diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig
index 479d32b57a1..9408099eec4 100644
--- a/drivers/mtd/chips/Kconfig
+++ b/drivers/mtd/chips/Kconfig
@@ -6,6 +6,7 @@ menu "RAM/ROM/Flash chip drivers"
config MTD_CFI
tristate "Detect flash chips by Common Flash Interface (CFI) probe"
select MTD_GEN_PROBE
+ select MTD_CFI_UTIL
help
The Common Flash Interface specification was developed by Intel,
AMD and other flash manufactures that provides a universal method
@@ -154,6 +155,7 @@ config MTD_CFI_I8
config MTD_OTP
bool "Protection Registers aka one-time programmable (OTP) bits"
depends on MTD_CFI_ADV_OPTIONS
+ select HAVE_MTD_OTP
default n
help
This enables support for reading, writing and locking so called
@@ -187,7 +189,7 @@ config MTD_CFI_INTELEXT
StrataFlash and other parts.
config MTD_CFI_AMDSTD
- tristate "Support for AMD/Fujitsu flash chips"
+ tristate "Support for AMD/Fujitsu/Spansion flash chips"
depends on MTD_GEN_PROBE
select MTD_CFI_UTIL
help
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 5f1b472137a..c93a8be5d5f 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -478,6 +478,28 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
else
cfi->chips[i].erase_time = 2000000;
+ if (cfi->cfiq->WordWriteTimeoutTyp &&
+ cfi->cfiq->WordWriteTimeoutMax)
+ cfi->chips[i].word_write_time_max =
+ 1<<(cfi->cfiq->WordWriteTimeoutTyp +
+ cfi->cfiq->WordWriteTimeoutMax);
+ else
+ cfi->chips[i].word_write_time_max = 50000 * 8;
+
+ if (cfi->cfiq->BufWriteTimeoutTyp &&
+ cfi->cfiq->BufWriteTimeoutMax)
+ cfi->chips[i].buffer_write_time_max =
+ 1<<(cfi->cfiq->BufWriteTimeoutTyp +
+ cfi->cfiq->BufWriteTimeoutMax);
+
+ if (cfi->cfiq->BlockEraseTimeoutTyp &&
+ cfi->cfiq->BlockEraseTimeoutMax)
+ cfi->chips[i].erase_time_max =
+ 1000<<(cfi->cfiq->BlockEraseTimeoutTyp +
+ cfi->cfiq->BlockEraseTimeoutMax);
+ else
+ cfi->chips[i].erase_time_max = 2000000 * 8;
+
cfi->chips[i].ref_point_counter = 0;
init_waitqueue_head(&(cfi->chips[i].wq));
}
@@ -703,6 +725,10 @@ static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long
struct cfi_pri_intelext *cfip = cfi->cmdset_priv;
unsigned long timeo = jiffies + HZ;
+ /* Prevent setting state FL_SYNCING for chip in suspended state. */
+ if (mode == FL_SYNCING && chip->oldstate != FL_READY)
+ goto sleep;
+
switch (chip->state) {
case FL_STATUS:
@@ -808,8 +834,9 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
DECLARE_WAITQUEUE(wait, current);
retry:
- if (chip->priv && (mode == FL_WRITING || mode == FL_ERASING
- || mode == FL_OTP_WRITE || mode == FL_SHUTDOWN)) {
+ if (chip->priv &&
+ (mode == FL_WRITING || mode == FL_ERASING || mode == FL_OTP_WRITE
+ || mode == FL_SHUTDOWN) && chip->state != FL_SYNCING) {
/*
* OK. We have possibility for contention on the write/erase
* operations which are global to the real chip and not per
@@ -859,6 +886,14 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
return ret;
}
spin_lock(&shared->lock);
+
+ /* We should not own chip if it is already
+ * in FL_SYNCING state. Put contender and retry. */
+ if (chip->state == FL_SYNCING) {
+ put_chip(map, contender, contender->start);
+ spin_unlock(contender->mutex);
+ goto retry;
+ }
spin_unlock(contender->mutex);
}
@@ -1012,7 +1047,7 @@ static void __xipram xip_enable(struct map_info *map, struct flchip *chip,
static int __xipram xip_wait_for_operation(
struct map_info *map, struct flchip *chip,
- unsigned long adr, unsigned int chip_op_time )
+ unsigned long adr, unsigned int chip_op_time_max)
{
struct cfi_private *cfi = map->fldrv_priv;
struct cfi_pri_intelext *cfip = cfi->cmdset_priv;
@@ -1021,7 +1056,7 @@ static int __xipram xip_wait_for_operation(
flstate_t oldstate, newstate;
start = xip_currtime();
- usec = chip_op_time * 8;
+ usec = chip_op_time_max;
if (usec == 0)
usec = 500000;
done = 0;
@@ -1131,8 +1166,8 @@ static int __xipram xip_wait_for_operation(
#define XIP_INVAL_CACHED_RANGE(map, from, size) \
INVALIDATE_CACHED_RANGE(map, from, size)
-#define INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, inval_adr, inval_len, usec) \
- xip_wait_for_operation(map, chip, cmd_adr, usec)
+#define INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, inval_adr, inval_len, usec, usec_max) \
+ xip_wait_for_operation(map, chip, cmd_adr, usec_max)
#else
@@ -1144,7 +1179,7 @@ static int __xipram xip_wait_for_operation(
static int inval_cache_and_wait_for_operation(
struct map_info *map, struct flchip *chip,
unsigned long cmd_adr, unsigned long inval_adr, int inval_len,
- unsigned int chip_op_time)
+ unsigned int chip_op_time, unsigned int chip_op_time_max)
{
struct cfi_private *cfi = map->fldrv_priv;
map_word status, status_OK = CMD(0x80);
@@ -1156,8 +1191,7 @@ static int inval_cache_and_wait_for_operation(
INVALIDATE_CACHED_RANGE(map, inval_adr, inval_len);
spin_lock(chip->mutex);
- /* set our timeout to 8 times the expected delay */
- timeo = chip_op_time * 8;
+ timeo = chip_op_time_max;
if (!timeo)
timeo = 500000;
reset_timeo = timeo;
@@ -1217,8 +1251,8 @@ static int inval_cache_and_wait_for_operation(
#endif
-#define WAIT_TIMEOUT(map, chip, adr, udelay) \
- INVAL_CACHE_AND_WAIT(map, chip, adr, 0, 0, udelay);
+#define WAIT_TIMEOUT(map, chip, adr, udelay, udelay_max) \
+ INVAL_CACHE_AND_WAIT(map, chip, adr, 0, 0, udelay, udelay_max);
static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t adr, size_t len)
@@ -1452,7 +1486,8 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
ret = INVAL_CACHE_AND_WAIT(map, chip, adr,
adr, map_bankwidth(map),
- chip->word_write_time);
+ chip->word_write_time,
+ chip->word_write_time_max);
if (ret) {
xip_enable(map, chip, adr);
printk(KERN_ERR "%s: word write error (status timeout)\n", map->name);
@@ -1623,7 +1658,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
chip->state = FL_WRITING_TO_BUFFER;
map_write(map, write_cmd, cmd_adr);
- ret = WAIT_TIMEOUT(map, chip, cmd_adr, 0);
+ ret = WAIT_TIMEOUT(map, chip, cmd_adr, 0, 0);
if (ret) {
/* Argh. Not ready for write to buffer */
map_word Xstatus = map_read(map, cmd_adr);
@@ -1640,7 +1675,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
/* Figure out the number of words to write */
word_gap = (-adr & (map_bankwidth(map)-1));
- words = (len - word_gap + map_bankwidth(map) - 1) / map_bankwidth(map);
+ words = DIV_ROUND_UP(len - word_gap, map_bankwidth(map));
if (!word_gap) {
words--;
} else {
@@ -1692,7 +1727,8 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
ret = INVAL_CACHE_AND_WAIT(map, chip, cmd_adr,
initial_adr, initial_len,
- chip->buffer_write_time);
+ chip->buffer_write_time,
+ chip->buffer_write_time_max);
if (ret) {
map_write(map, CMD(0x70), cmd_adr);
chip->state = FL_STATUS;
@@ -1827,7 +1863,8 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
ret = INVAL_CACHE_AND_WAIT(map, chip, adr,
adr, len,
- chip->erase_time);
+ chip->erase_time,
+ chip->erase_time_max);
if (ret) {
map_write(map, CMD(0x70), adr);
chip->state = FL_STATUS;
@@ -2006,7 +2043,7 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip
*/
udelay = (!extp || !(extp->FeatureSupport & (1 << 5))) ? 1000000/HZ : 0;
- ret = WAIT_TIMEOUT(map, chip, adr, udelay);
+ ret = WAIT_TIMEOUT(map, chip, adr, udelay, udelay * 100);
if (ret) {
map_write(map, CMD(0x70), adr);
chip->state = FL_STATUS;
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index a972cc6be43..3e6f5d8609e 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -13,6 +13,8 @@
* XIP support hooks by Vitaly Wool (based on code for Intel flash
* by Nicolas Pitre)
*
+ * 25/09/2008 Christopher Moore: TopBottom fixup for many Macronix with CFI V1.0
+ *
* Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com
*
* This code is GPL
@@ -43,6 +45,7 @@
#define MANUFACTURER_AMD 0x0001
#define MANUFACTURER_ATMEL 0x001F
+#define MANUFACTURER_MACRONIX 0x00C2
#define MANUFACTURER_SST 0x00BF
#define SST49LF004B 0x0060
#define SST49LF040B 0x0050
@@ -144,12 +147,44 @@ static void fixup_amd_bootblock(struct mtd_info *mtd, void* param)
if (((major << 8) | minor) < 0x3131) {
/* CFI version 1.0 => don't trust bootloc */
+
+ DEBUG(MTD_DEBUG_LEVEL1,
+ "%s: JEDEC Vendor ID is 0x%02X Device ID is 0x%02X\n",
+ map->name, cfi->mfr, cfi->id);
+
+ /* AFAICS all 29LV400 with a bottom boot block have a device ID
+ * of 0x22BA in 16-bit mode and 0xBA in 8-bit mode.
+ * These were badly detected as they have the 0x80 bit set
+ * so treat them as a special case.
+ */
+ if (((cfi->id == 0xBA) || (cfi->id == 0x22BA)) &&
+
+ /* Macronix added CFI to their 2nd generation
+ * MX29LV400C B/T but AFAICS no other 29LV400 (AMD,
+ * Fujitsu, Spansion, EON, ESI and older Macronix)
+ * has CFI.
+ *
+ * Therefore also check the manufacturer.
+ * This reduces the risk of false detection due to
+ * the 8-bit device ID.
+ */
+ (cfi->mfr == MANUFACTURER_MACRONIX)) {
+ DEBUG(MTD_DEBUG_LEVEL1,
+ "%s: Macronix MX29LV400C with bottom boot block"
+ " detected\n", map->name);
+ extp->TopBottom = 2; /* bottom boot */
+ } else
if (cfi->id & 0x80) {
printk(KERN_WARNING "%s: JEDEC Device ID is 0x%02X. Assuming broken CFI table.\n", map->name, cfi->id);
extp->TopBottom = 3; /* top boot */
} else {
extp->TopBottom = 2; /* bottom boot */
}
+
+ DEBUG(MTD_DEBUG_LEVEL1,
+ "%s: AMD CFI PRI V%c.%c has no boot block field;"
+ " deduced %s from Device ID\n", map->name, major, minor,
+ extp->TopBottom == 2 ? "bottom" : "top");
}
}
#endif
@@ -178,10 +213,18 @@ static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param)
if (atmel_pri.Features & 0x02)
extp->EraseSuspend = 2;
- if (atmel_pri.BottomBoot)
- extp->TopBottom = 2;
- else
- extp->TopBottom = 3;
+ /* Some chips got it backwards... */
+ if (cfi->id == AT49BV6416) {
+ if (atmel_pri.BottomBoot)
+ extp->TopBottom = 3;
+ else
+ extp->TopBottom = 2;
+ } else {
+ if (atmel_pri.BottomBoot)
+ extp->TopBottom = 2;
+ else
+ extp->TopBottom = 3;
+ }
/* burst write mode not supported */
cfi->cfiq->BufWriteTimeoutTyp = 0;
@@ -243,6 +286,7 @@ static struct cfi_fixup cfi_fixup_table[] = {
{ CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
#ifdef AMD_BOOTLOC_BUG
{ CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL },
+ { MANUFACTURER_MACRONIX, CFI_ID_ANY, fixup_amd_bootblock, NULL },
#endif
{ CFI_MFR_AMD, 0x0050, fixup_use_secsi, NULL, },
{ CFI_MFR_AMD, 0x0053, fixup_use_secsi, NULL, },
diff --git a/drivers/mtd/chips/cfi_probe.c b/drivers/mtd/chips/cfi_probe.c
index c418e92e1d9..e63e6749429 100644
--- a/drivers/mtd/chips/cfi_probe.c
+++ b/drivers/mtd/chips/cfi_probe.c
@@ -44,17 +44,14 @@ do { \
#define xip_enable(base, map, cfi) \
do { \
- cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); \
- cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); \
+ cfi_qry_mode_off(base, map, cfi); \
xip_allowed(base, map); \
} while (0)
#define xip_disable_qry(base, map, cfi) \
do { \
xip_disable(); \
- cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); \
- cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); \
- cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL); \
+ cfi_qry_mode_on(base, map, cfi); \
} while (0)
#else
@@ -70,32 +67,6 @@ do { \
in: interleave,type,mode
ret: table index, <0 for error
*/
-static int __xipram qry_present(struct map_info *map, __u32 base,
- struct cfi_private *cfi)
-{
- int osf = cfi->interleave * cfi->device_type; // scale factor
- map_word val[3];
- map_word qry[3];
-
- qry[0] = cfi_build_cmd('Q', map, cfi);
- qry[1] = cfi_build_cmd('R', map, cfi);
- qry[2] = cfi_build_cmd('Y', map, cfi);
-
- val[0] = map_read(map, base + osf*0x10);
- val[1] = map_read(map, base + osf*0x11);
- val[2] = map_read(map, base + osf*0x12);
-
- if (!map_word_equal(map, qry[0], val[0]))
- return 0;
-
- if (!map_word_equal(map, qry[1], val[1]))
- return 0;
-
- if (!map_word_equal(map, qry[2], val[2]))
- return 0;
-
- return 1; // "QRY" found
-}
static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
unsigned long *chip_map, struct cfi_private *cfi)
@@ -116,11 +87,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
}
xip_disable();
- cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
- cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
- cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
-
- if (!qry_present(map,base,cfi)) {
+ if (!cfi_qry_mode_on(base, map, cfi)) {
xip_enable(base, map, cfi);
return 0;
}
@@ -141,14 +108,13 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
start = i << cfi->chipshift;
/* This chip should be in read mode if it's one
we've already touched. */
- if (qry_present(map, start, cfi)) {
+ if (cfi_qry_present(map, start, cfi)) {
/* Eep. This chip also had the QRY marker.
* Is it an alias for the new one? */
- cfi_send_gen_cmd(0xF0, 0, start, map, cfi, cfi->device_type, NULL);
- cfi_send_gen_cmd(0xFF, 0, start, map, cfi, cfi->device_type, NULL);
+ cfi_qry_mode_off(start, map, cfi);
/* If the QRY marker goes away, it's an alias */
- if (!qry_present(map, start, cfi)) {
+ if (!cfi_qry_present(map, start, cfi)) {
xip_allowed(base, map);
printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
map->name, base, start);
@@ -158,10 +124,9 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
* unfortunate. Stick the new chip in read mode
* too and if it's the same, assume it's an alias. */
/* FIXME: Use other modes to do a proper check */
- cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
- cfi_send_gen_cmd(0xFF, 0, start, map, cfi, cfi->device_type, NULL);
+ cfi_qry_mode_off(base, map, cfi);
- if (qry_present(map, base, cfi)) {
+ if (cfi_qry_present(map, base, cfi)) {
xip_allowed(base, map);
printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
map->name, base, start);
@@ -176,8 +141,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
cfi->numchips++;
/* Put it back into Read Mode */
- cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
- cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
+ cfi_qry_mode_off(base, map, cfi);
xip_allowed(base, map);
printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
@@ -237,9 +201,7 @@ static int __xipram cfi_chip_setup(struct map_info *map,
cfi_read_query(map, base + 0xf * ofs_factor);
/* Put it back into Read Mode */
- cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
- /* ... even if it's an Intel chip */
- cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
+ cfi_qry_mode_off(base, map, cfi);
xip_allowed(base, map);
/* Do any necessary byteswapping */
diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c
index 0ee45701801..34d40e25d31 100644
--- a/drivers/mtd/chips/cfi_util.c
+++ b/drivers/mtd/chips/cfi_util.c
@@ -24,6 +24,66 @@
#include <linux/mtd/cfi.h>
#include <linux/mtd/compatmac.h>
+int __xipram cfi_qry_present(struct map_info *map, __u32 base,
+ struct cfi_private *cfi)
+{
+ int osf = cfi->interleave * cfi->device_type; /* scale factor */
+ map_word val[3];
+ map_word qry[3];
+
+ qry[0] = cfi_build_cmd('Q', map, cfi);
+ qry[1] = cfi_build_cmd('R', map, cfi);
+ qry[2] = cfi_build_cmd('Y', map, cfi);
+
+ val[0] = map_read(map, base + osf*0x10);
+ val[1] = map_read(map, base + osf*0x11);
+ val[2] = map_read(map, base + osf*0x12);
+
+ if (!map_word_equal(map, qry[0], val[0]))
+ return 0;
+
+ if (!map_word_equal(map, qry[1], val[1]))
+ return 0;
+
+ if (!map_word_equal(map, qry[2], val[2]))
+ return 0;
+
+ return 1; /* "QRY" found */
+}
+EXPORT_SYMBOL_GPL(cfi_qry_present);
+
+int __xipram cfi_qry_mode_on(uint32_t base, struct map_info *map,
+ struct cfi_private *cfi)
+{
+ cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
+ cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
+ if (cfi_qry_present(map, base, cfi))
+ return 1;
+ /* QRY not found probably we deal with some odd CFI chips */
+ /* Some revisions of some old Intel chips? */
+ cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
+ cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
+ cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
+ if (cfi_qry_present(map, base, cfi))
+ return 1;
+ /* ST M29DW chips */
+ cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
+ cfi_send_gen_cmd(0x98, 0x555, base, map, cfi, cfi->device_type, NULL);
+ if (cfi_qry_present(map, base, cfi))
+ return 1;
+ /* QRY not found */
+ return 0;
+}
+EXPORT_SYMBOL_GPL(cfi_qry_mode_on);
+
+void __xipram cfi_qry_mode_off(uint32_t base, struct map_info *map,
+ struct cfi_private *cfi)
+{
+ cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
+ cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
+}
+EXPORT_SYMBOL_GPL(cfi_qry_mode_off);
+
struct cfi_extquery *
__xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* name)
{
@@ -48,8 +108,7 @@ __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* n
#endif
/* Switch it into Query Mode */
- cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
-
+ cfi_qry_mode_on(base, map, cfi);
/* Read in the Extended Query Table */
for (i=0; i<size; i++) {
((unsigned char *)extp)[i] =
@@ -57,8 +116,7 @@ __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* n
}
/* Make sure it returns to read mode */
- cfi_send_gen_cmd(0xf0, 0, base, map, cfi, cfi->device_type, NULL);
- cfi_send_gen_cmd(0xff, 0, base, map, cfi, cfi->device_type, NULL);
+ cfi_qry_mode_off(base, map, cfi);
#ifdef CONFIG_MTD_XIP
(void) map_read(map, base);
diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c
index f061885b281..e2dc96441e0 100644
--- a/drivers/mtd/chips/gen_probe.c
+++ b/drivers/mtd/chips/gen_probe.c
@@ -111,7 +111,7 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi
max_chips = 1;
}
- mapsize = sizeof(long) * ( (max_chips + BITS_PER_LONG-1) / BITS_PER_LONG );
+ mapsize = sizeof(long) * DIV_ROUND_UP(max_chips, BITS_PER_LONG);
chip_map = kzalloc(mapsize, GFP_KERNEL);
if (!chip_map) {
printk(KERN_WARNING "%s: kmalloc failed for CFI chip map\n", map->name);
diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c
index 71bc07f149b..50a340388e7 100644
--- a/drivers/mtd/cmdlinepart.c
+++ b/drivers/mtd/cmdlinepart.c
@@ -7,6 +7,7 @@
*
* mtdparts=<mtddef>[;<mtddef]
* <mtddef> := <mtd-id>:<partdef>[,<partdef>]
+ * where <mtd-id> is the name from the "cat /proc/mtd" command
* <partdef> := <size>[@offset][<name>][ro][lk]
* <mtd-id> := unique name used in mapping driver/device (mtd->name)
* <size> := standard linux memsize OR "-" to denote all remaining space
diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
index 9c613f06623..6fde0a2e356 100644
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -59,6 +59,27 @@ config MTD_DATAFLASH
Sometimes DataFlash chips are packaged inside MMC-format
cards; at this writing, the MMC stack won't handle those.
+config MTD_DATAFLASH_WRITE_VERIFY
+ bool "Verify DataFlash page writes"
+ depends on MTD_DATAFLASH
+ help
+ This adds an extra check when data is written to the flash.
+ It may help if you are verifying chip setup (timings etc) on
+ your board. There is a rare possibility that even though the
+ device thinks the write was successful, a bit could have been
+ flipped accidentally due to device wear or something else.
+
+config MTD_DATAFLASH_OTP
+ bool "DataFlash OTP support (Security Register)"
+ depends on MTD_DATAFLASH
+ select HAVE_MTD_OTP
+ help
+ Newer DataFlash chips (revisions C and D) support 128 bytes of
+ one-time-programmable (OTP) data. The first half may be written
+ (once) with up to 64 bytes of data, such as a serial number or
+ other key product data. The second half is programmed with a
+ unique-to-each-chip bit pattern at the factory.
+
config MTD_M25P80
tristate "Support most SPI Flash chips (AT26DF, M25P, W25X, ...)"
depends on SPI_MASTER && EXPERIMENTAL
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index b35c3333e21..76a76751da3 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -39,6 +39,7 @@
#define OPCODE_PP 0x02 /* Page program (up to 256 bytes) */
#define OPCODE_BE_4K 0x20 /* Erase 4KiB block */
#define OPCODE_BE_32K 0x52 /* Erase 32KiB block */
+#define OPCODE_BE 0xc7 /* Erase whole flash block */
#define OPCODE_SE 0xd8 /* Sector erase (usually 64KiB) */
#define OPCODE_RDID 0x9f /* Read JEDEC ID */
@@ -161,6 +162,31 @@ static int wait_till_ready(struct m25p *flash)
return 1;
}
+/*
+ * Erase the whole flash memory
+ *
+ * Returns 0 if successful, non-zero otherwise.
+ */
+static int erase_block(struct m25p *flash)
+{
+ DEBUG(MTD_DEBUG_LEVEL3, "%s: %s %dKiB\n",
+ flash->spi->dev.bus_id, __func__,
+ flash->mtd.size / 1024);
+
+ /* Wait until finished previous write command. */
+ if (wait_till_ready(flash))
+ return 1;
+
+ /* Send write enable, then erase commands. */
+ write_enable(flash);
+
+ /* Set up command buffer. */
+ flash->command[0] = OPCODE_BE;
+
+ spi_write(flash->spi, flash->command, 1);
+
+ return 0;
+}
/*
* Erase one sector of flash memory at offset ``offset'' which is any
@@ -229,15 +255,21 @@ static int m25p80_erase(struct mtd_info *mtd, struct erase_info *instr)
*/
/* now erase those sectors */
- while (len) {
- if (erase_sector(flash, addr)) {
- instr->state = MTD_ERASE_FAILED;
- mutex_unlock(&flash->lock);
- return -EIO;
- }
+ if (len == flash->mtd.size && erase_block(flash)) {
+ instr->state = MTD_ERASE_FAILED;
+ mutex_unlock(&flash->lock);
+ return -EIO;
+ } else {
+ while (len) {
+ if (erase_sector(flash, addr)) {
+ instr->state = MTD_ERASE_FAILED;
+ mutex_unlock(&flash->lock);
+ return -EIO;
+ }
- addr += mtd->erasesize;
- len -= mtd->erasesize;
+ addr += mtd->erasesize;
+ len -= mtd->erasesize;
+ }
}
mutex_unlock(&flash->lock);
@@ -437,6 +469,7 @@ struct flash_info {
* then a two byte device id.
*/
u32 jedec_id;
+ u16 ext_id;
/* The size listed here is what works with OPCODE_SE, which isn't
* necessarily called a "sector" by the vendor.
@@ -456,72 +489,75 @@ struct flash_info {
static struct flash_info __devinitdata m25p_data [] = {
/* Atmel -- some are (confusingly) marketed as "DataFlash" */
- { "at25fs010", 0x1f6601, 32 * 1024, 4, SECT_4K, },
- { "at25fs040", 0x1f6604, 64 * 1024, 8, SECT_4K, },
+ { "at25fs010", 0x1f6601, 0, 32 * 1024, 4, SECT_4K, },
+ { "at25fs040", 0x1f6604, 0, 64 * 1024, 8, SECT_4K, },
- { "at25df041a", 0x1f4401, 64 * 1024, 8, SECT_4K, },
- { "at25df641", 0x1f4800, 64 * 1024, 128, SECT_4K, },
+ { "at25df041a", 0x1f4401, 0, 64 * 1024, 8, SECT_4K, },
+ { "at25df641", 0x1f4800, 0, 64 * 1024, 128, SECT_4K, },
- { "at26f004", 0x1f0400, 64 * 1024, 8, SECT_4K, },
- { "at26df081a", 0x1f4501, 64 * 1024, 16, SECT_4K, },
- { "at26df161a", 0x1f4601, 64 * 1024, 32, SECT_4K, },
- { "at26df321", 0x1f4701, 64 * 1024, 64, SECT_4K, },
+ { "at26f004", 0x1f0400, 0, 64 * 1024, 8, SECT_4K, },
+ { "at26df081a", 0x1f4501, 0, 64 * 1024, 16, SECT_4K, },
+ { "at26df161a", 0x1f4601, 0, 64 * 1024, 32, SECT_4K, },
+ { "at26df321", 0x1f4701, 0, 64 * 1024, 64, SECT_4K, },
/* Spansion -- single (large) sector size only, at least
* for the chips listed here (without boot sectors).
*/
- { "s25sl004a", 0x010212, 64 * 1024, 8, },
- { "s25sl008a", 0x010213, 64 * 1024, 16, },
- { "s25sl016a", 0x010214, 64 * 1024, 32, },
- { "s25sl032a", 0x010215, 64 * 1024, 64, },
- { "s25sl064a", 0x010216, 64 * 1024, 128, },
+ { "s25sl004a", 0x010212, 0, 64 * 1024, 8, },
+ { "s25sl008a", 0x010213, 0, 64 * 1024, 16, },
+ { "s25sl016a", 0x010214, 0, 64 * 1024, 32, },
+ { "s25sl032a", 0x010215, 0, 64 * 1024, 64, },
+ { "s25sl064a", 0x010216, 0, 64 * 1024, 128, },
+ { "s25sl12800", 0x012018, 0x0300, 256 * 1024, 64, },
+ { "s25sl12801", 0x012018, 0x0301, 64 * 1024, 256, },
/* SST -- large erase sizes are "overlays", "sectors" are 4K */
- { "sst25vf040b", 0xbf258d, 64 * 1024, 8, SECT_4K, },
- { "sst25vf080b", 0xbf258e, 64 * 1024, 16, SECT_4K, },
- { "sst25vf016b", 0xbf2541, 64 * 1024, 32, SECT_4K, },
- { "sst25vf032b", 0xbf254a, 64 * 1024, 64, SECT_4K, },
+ { "sst25vf040b", 0xbf258d, 0, 64 * 1024, 8, SECT_4K, },
+ { "sst25vf080b", 0xbf258e, 0, 64 * 1024, 16, SECT_4K, },
+ { "sst25vf016b", 0xbf2541, 0, 64 * 1024, 32, SECT_4K, },
+ { "sst25vf032b", 0xbf254a, 0, 64 * 1024, 64, SECT_4K, },
/* ST Microelectronics -- newer production may have feature updates */
- { "m25p05", 0x202010, 32 * 1024, 2, },
- { "m25p10", 0x202011, 32 * 1024, 4, },
- { "m25p20", 0x202012, 64 * 1024, 4, },
- { "m25p40", 0x202013, 64 * 1024, 8, },
- { "m25p80", 0, 64 * 1024, 16, },
- { "m25p16", 0x202015, 64 * 1024, 32, },
- { "m25p32", 0x202016, 64 * 1024, 64, },
- { "m25p64", 0x202017, 64 * 1024, 128, },
- { "m25p128", 0x202018, 256 * 1024, 64, },
-
- { "m45pe80", 0x204014, 64 * 1024, 16, },
- { "m45pe16", 0x204015, 64 * 1024, 32, },
-
- { "m25pe80", 0x208014, 64 * 1024, 16, },
- { "m25pe16", 0x208015, 64 * 1024, 32, SECT_4K, },
+ { "m25p05", 0x202010, 0, 32 * 1024, 2, },
+ { "m25p10", 0x202011, 0, 32 * 1024, 4, },
+ { "m25p20", 0x202012, 0, 64 * 1024, 4, },
+ { "m25p40", 0x202013, 0, 64 * 1024, 8, },
+ { "m25p80", 0, 0, 64 * 1024, 16, },
+ { "m25p16", 0x202015, 0, 64 * 1024, 32, },
+ { "m25p32", 0x202016, 0, 64 * 1024, 64, },
+ { "m25p64", 0x202017, 0, 64 * 1024, 128, },
+ { "m25p128", 0x202018, 0, 256 * 1024, 64, },
+
+ { "m45pe80", 0x204014, 0, 64 * 1024, 16, },
+ { "m45pe16", 0x204015, 0, 64 * 1024, 32, },
+
+ { "m25pe80", 0x208014, 0, 64 * 1024, 16, },
+ { "m25pe16", 0x208015, 0, 64 * 1024, 32, SECT_4K, },
/* Winbond -- w25x "blocks" are 64K, "sectors" are 4KiB */
- { "w25x10", 0xef3011, 64 * 1024, 2, SECT_4K, },
- { "w25x20", 0xef3012, 64 * 1024, 4, SECT_4K, },
- { "w25x40", 0xef3013, 64 * 1024, 8, SECT_4K, },
- { "w25x80", 0xef3014, 64 * 1024, 16, SECT_4K, },
- { "w25x16", 0xef3015, 64 * 1024, 32, SECT_4K, },
- { "w25x32", 0xef3016, 64 * 1024, 64, SECT_4K, },
- { "w25x64", 0xef3017, 64 * 1024, 128, SECT_4K, },
+ { "w25x10", 0xef3011, 0, 64 * 1024, 2, SECT_4K, },
+ { "w25x20", 0xef3012, 0, 64 * 1024, 4, SECT_4K, },
+ { "w25x40", 0xef3013, 0, 64 * 1024, 8, SECT_4K, },
+ { "w25x80", 0xef3014, 0, 64 * 1024, 16, SECT_4K, },
+ { "w25x16", 0xef3015, 0, 64 * 1024, 32, SECT_4K, },
+ { "w25x32", 0xef3016, 0, 64 * 1024, 64, SECT_4K, },
+ { "w25x64", 0xef3017, 0, 64 * 1024, 128, SECT_4K, },
};
static struct flash_info *__devinit jedec_probe(struct spi_device *spi)
{
int tmp;
u8 code = OPCODE_RDID;
- u8 id[3];
+ u8 id[5];
u32 jedec;
+ u16 ext_jedec;
struct flash_info *info;
/* JEDEC also defines an optional "extended device information"
* string for after vendor-specific data, after the three bytes
* we use here. Supporting some chips might require using it.
*/
- tmp = spi_write_then_read(spi, &code, 1, id, 3);
+ tmp = spi_write_then_read(spi, &code, 1, id, 5);
if (tmp < 0) {
DEBUG(MTD_DEBUG_LEVEL0, "%s: error %d reading JEDEC ID\n",
spi->dev.bus_id, tmp);
@@ -533,10 +569,14 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi)
jedec = jedec << 8;
jedec |= id[2];
+ ext_jedec = id[3] << 8 | id[4];
+
for (tmp = 0, info = m25p_data;
tmp < ARRAY_SIZE(m25p_data);
tmp++, info++) {
if (info->jedec_id == jedec)
+ if (ext_jedec != 0 && info->ext_id != ext_jedec)
+ continue;
return info;
}
dev_err(&spi->dev, "unrecognized JEDEC id %06x\n", jedec);
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index 8bd0dea6885..6dd9aff8bb2 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -30,12 +30,10 @@
* doesn't (yet) use these for any kind of i/o overlap or prefetching.
*
* Sometimes DataFlash is packaged in MMC-format cards, although the
- * MMC stack can't use SPI (yet), or distinguish between MMC and DataFlash
+ * MMC stack can't (yet?) distinguish between MMC and DataFlash
* protocols during enumeration.
*/
-#define CONFIG_DATAFLASH_WRITE_VERIFY
-
/* reads can bypass the buffers */
#define OP_READ_CONTINUOUS 0xE8
#define OP_READ_PAGE 0xD2
@@ -80,7 +78,8 @@
*/
#define OP_READ_ID 0x9F
#define OP_READ_SECURITY 0x77
-#define OP_WRITE_SECURITY 0x9A /* OTP bits */
+#define OP_WRITE_SECURITY_REVC 0x9A
+#define OP_WRITE_SECURITY 0x9B /* revision D */
struct dataflash {
@@ -402,7 +401,7 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len,
(void) dataflash_waitready(priv->spi);
-#ifdef CONFIG_DATAFLASH_WRITE_VERIFY
+#ifdef CONFIG_MTD_DATAFLASH_VERIFY_WRITE
/* (3) Compare to Buffer1 */
addr = pageaddr << priv->page_offset;
@@ -431,7 +430,7 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len,
} else
status = 0;
-#endif /* CONFIG_DATAFLASH_WRITE_VERIFY */
+#endif /* CONFIG_MTD_DATAFLASH_VERIFY_WRITE */
remaining = remaining - writelen;
pageaddr++;
@@ -451,16 +450,192 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len,
/* ......................................................................... */
+#ifdef CONFIG_MTD_DATAFLASH_OTP
+
+static int dataflash_get_otp_info(struct mtd_info *mtd,
+ struct otp_info *info, size_t len)
+{
+ /* Report both blocks as identical: bytes 0..64, locked.
+ * Unless the user block changed from all-ones, we can't
+ * tell whether it's still writable; so we assume it isn't.
+ */
+ info->start = 0;
+ info->length = 64;
+ info->locked = 1;
+ return sizeof(*info);
+}
+
+static ssize_t otp_read(struct spi_device *spi, unsigned base,
+ uint8_t *buf, loff_t off, size_t len)
+{
+ struct spi_message m;
+ size_t l;
+ uint8_t *scratch;
+ struct spi_transfer t;
+ int status;
+
+ if (off > 64)
+ return -EINVAL;
+
+ if ((off + len) > 64)
+ len = 64 - off;
+ if (len == 0)
+ return len;
+
+ spi_message_init(&m);
+
+ l = 4 + base + off + len;
+ scratch = kzalloc(l, GFP_KERNEL);
+ if (!scratch)
+ return -ENOMEM;
+
+ /* OUT: OP_READ_SECURITY, 3 don't-care bytes, zeroes
+ * IN: ignore 4 bytes, data bytes 0..N (max 127)
+ */
+ scratch[0] = OP_READ_SECURITY;
+
+ memset(&t, 0, sizeof t);
+ t.tx_buf = scratch;
+ t.rx_buf = scratch;
+ t.len = l;
+ spi_message_add_tail(&t, &m);
+
+ dataflash_waitready(spi);
+
+ status = spi_sync(spi, &m);
+ if (status >= 0) {
+ memcpy(buf, scratch + 4 + base + off, len);
+ status = len;
+ }
+
+ kfree(scratch);
+ return status;
+}
+
+static int dataflash_read_fact_otp(struct mtd_info *mtd,
+ loff_t from, size_t len, size_t *retlen, u_char *buf)
+{
+ struct dataflash *priv = (struct dataflash *)mtd->priv;
+ int status;
+
+ /* 64 bytes, from 0..63 ... start at 64 on-chip */
+ mutex_lock(&priv->lock);
+ status = otp_read(priv->spi, 64, buf, from, len);
+ mutex_unlock(&priv->lock);
+
+ if (status < 0)
+ return status;
+ *retlen = status;
+ return 0;
+}
+
+static int dataflash_read_user_otp(struct mtd_info *mtd,
+ loff_t from, size_t len, size_t *retlen, u_char *buf)
+{
+ struct dataflash *priv = (struct dataflash *)mtd->priv;
+ int status;
+
+ /* 64 bytes, from 0..63 ... start at 0 on-chip */
+ mutex_lock(&priv->lock);
+ status = otp_read(priv->spi, 0, buf, from, len);
+ mutex_unlock(&priv->lock);
+
+ if (status < 0)
+ return status;
+ *retlen = status;
+ return 0;
+}
+
+static int dataflash_write_user_otp(struct mtd_info *mtd,
+ loff_t from, size_t len, size_t *retlen, u_char *buf)
+{
+ struct spi_message m;
+ const size_t l = 4 + 64;
+ uint8_t *scratch;
+ struct spi_transfer t;
+ struct dataflash *priv = (struct dataflash *)mtd->priv;
+ int status;
+
+ if (len > 64)
+ return -EINVAL;
+
+ /* Strictly speaking, we *could* truncate the write ... but
+ * let's not do that for the only write that's ever possible.
+ */
+ if ((from + len) > 64)
+ return -EINVAL;
+
+ /* OUT: OP_WRITE_SECURITY, 3 zeroes, 64 data-or-zero bytes
+ * IN: ignore all
+ */
+ scratch = kzalloc(l, GFP_KERNEL);
+ if (!scratch)
+ return -ENOMEM;
+ scratch[0] = OP_WRITE_SECURITY;
+ memcpy(scratch + 4 + from, buf, len);
+
+ spi_message_init(&m);
+
+ memset(&t, 0, sizeof t);
+ t.tx_buf = scratch;
+ t.len = l;
+ spi_message_add_tail(&t, &m);
+
+ /* Write the OTP bits, if they've not yet been written.
+ * This modifies SRAM buffer1.
+ */
+ mutex_lock(&priv->lock);
+ dataflash_waitready(priv->spi);
+ status = spi_sync(priv->spi, &m);
+ mutex_unlock(&priv->lock);
+
+ kfree(scratch);
+
+ if (status >= 0) {
+ status = 0;
+ *retlen = len;
+ }
+ return status;
+}
+
+static char *otp_setup(struct mtd_info *device, char revision)
+{
+ device->get_fact_prot_info = dataflash_get_otp_info;
+ device->read_fact_prot_reg = dataflash_read_fact_otp;
+ device->get_user_prot_info = dataflash_get_otp_info;
+ device->read_user_prot_reg = dataflash_read_user_otp;
+
+ /* rev c parts (at45db321c and at45db1281 only!) use a
+ * different write procedure; not (yet?) implemented.
+ */
+ if (revision > 'c')
+ device->write_user_prot_reg = dataflash_write_user_otp;
+
+ return ", OTP";
+}
+
+#else
+
+static char *otp_setup(struct mtd_info *device, char revision)
+{
+ return " (OTP)";
+}
+
+#endif
+
+/* ......................................................................... */
+
/*
* Register DataFlash device with MTD subsystem.
*/
static int __devinit
-add_dataflash(struct spi_device *spi, char *name,
- int nr_pages, int pagesize, int pageoffset)
+add_dataflash_otp(struct spi_device *spi, char *name,
+ int nr_pages, int pagesize, int pageoffset, char revision)
{
struct dataflash *priv;
struct mtd_info *device;
struct flash_platform_data *pdata = spi->dev.platform_data;
+ char *otp_tag = "";
priv = kzalloc(sizeof *priv, GFP_KERNEL);
if (!priv)
@@ -489,8 +664,12 @@ add_dataflash(struct spi_device *spi, char *name,
device->write = dataflash_write;
device->priv = priv;
- dev_info(&spi->dev, "%s (%d KBytes) pagesize %d bytes\n",
- name, DIV_ROUND_UP(device->size, 1024), pagesize);
+ if (revision >= 'c')
+ otp_tag = otp_setup(device, revision);
+
+ dev_info(&spi->dev, "%s (%d KBytes) pagesize %d bytes%s\n",
+ name, DIV_ROUND_UP(device->size, 1024),
+ pagesize, otp_tag);
dev_set_drvdata(&spi->dev, priv);
if (mtd_has_partitions()) {
@@ -519,6 +698,14 @@ add_dataflash(struct spi_device *spi, char *name,
return add_mtd_device(device) == 1 ? -ENODEV : 0;
}
+static inline int __devinit
+add_dataflash(struct spi_device *spi, char *name,
+ int nr_pages, int pagesize, int pageoffset)
+{
+ return add_dataflash_otp(spi, name, nr_pages, pagesize,
+ pageoffset, 0);
+}
+
struct flash_info {
char *name;
@@ -664,13 +851,16 @@ static int __devinit dataflash_probe(struct spi_device *spi)
* Try to detect dataflash by JEDEC ID.
* If it succeeds we know we have either a C or D part.
* D will support power of 2 pagesize option.
+ * Both support the security register, though with different
+ * write procedures.
*/
info = jedec_probe(spi);
if (IS_ERR(info))
return PTR_ERR(info);
if (info != NULL)
- return add_dataflash(spi, info->name, info->nr_pages,
- info->pagesize, info->pageoffset);
+ return add_dataflash_otp(spi, info->name, info->nr_pages,
+ info->pagesize, info->pageoffset,
+ (info->flags & SUP_POW2PS) ? 'd' : 'c');
/*
* Older chips support only legacy commands, identifing
diff --git a/drivers/mtd/inftlcore.c b/drivers/mtd/inftlcore.c
index c4f9d3378b2..50ce13887f6 100644
--- a/drivers/mtd/inftlcore.c
+++ b/drivers/mtd/inftlcore.c
@@ -388,6 +388,10 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
if (thisEUN == targetEUN)
break;
+ /* Unlink the last block from the chain. */
+ inftl->PUtable[prevEUN] = BLOCK_NIL;
+
+ /* Now try to erase it. */
if (INFTL_formatblock(inftl, thisEUN) < 0) {
/*
* Could not erase : mark block as reserved.
@@ -396,7 +400,6 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
} else {
/* Correctly erased : mark it as free */
inftl->PUtable[thisEUN] = BLOCK_FREE;
- inftl->PUtable[prevEUN] = BLOCK_NIL;
inftl->numfreeEUNs++;
}
}
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index df8e00bba07..5ea16936216 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -332,30 +332,6 @@ config MTD_CFI_FLAGADM
Mapping for the Flaga digital module. If you don't have one, ignore
this setting.
-config MTD_WALNUT
- tristate "Flash device mapped on IBM 405GP Walnut"
- depends on MTD_JEDECPROBE && WALNUT && !PPC_MERGE
- help
- This enables access routines for the flash chips on the IBM 405GP
- Walnut board. If you have one of these boards and would like to
- use the flash chips on it, say 'Y'.
-
-config MTD_EBONY
- tristate "Flash devices mapped on IBM 440GP Ebony"
- depends on MTD_JEDECPROBE && EBONY && !PPC_MERGE
- help
- This enables access routines for the flash chips on the IBM 440GP
- Ebony board. If you have one of these boards and would like to
- use the flash chips on it, say 'Y'.
-
-config MTD_OCOTEA
- tristate "Flash devices mapped on IBM 440GX Ocotea"
- depends on MTD_CFI && OCOTEA && !PPC_MERGE
- help
- This enables access routines for the flash chips on the IBM 440GX
- Ocotea board. If you have one of these boards and would like to
- use the flash chips on it, say 'Y'.
-
config MTD_REDWOOD
tristate "CFI Flash devices mapped on IBM Redwood"
depends on MTD_CFI && ( REDWOOD_4 || REDWOOD_5 || REDWOOD_6 )
@@ -458,13 +434,6 @@ config MTD_CEIVA
PhotoMax Digital Picture Frame.
If you have such a device, say 'Y'.
-config MTD_NOR_TOTO
- tristate "NOR Flash device on TOTO board"
- depends on ARCH_OMAP && OMAP_TOTO
- help
- This enables access to the NOR flash on the Texas Instruments
- TOTO board.
-
config MTD_H720X
tristate "Hynix evaluation board mappings"
depends on MTD_CFI && ( ARCH_H7201 || ARCH_H7202 )
@@ -522,7 +491,7 @@ config MTD_BFIN_ASYNC
config MTD_UCLINUX
tristate "Generic uClinux RAM/ROM filesystem support"
- depends on MTD_PARTITIONS && !MMU
+ depends on MTD_PARTITIONS && MTD_RAM && !MMU
help
Map driver to support image based filesystems for uClinux.
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index 6cda6df973e..6d9ba35caf1 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -50,12 +50,8 @@ obj-$(CONFIG_MTD_REDWOOD) += redwood.o
obj-$(CONFIG_MTD_UCLINUX) += uclinux.o
obj-$(CONFIG_MTD_NETtel) += nettel.o
obj-$(CONFIG_MTD_SCB2_FLASH) += scb2_flash.o
-obj-$(CONFIG_MTD_EBONY) += ebony.o
-obj-$(CONFIG_MTD_OCOTEA) += ocotea.o
-obj-$(CONFIG_MTD_WALNUT) += walnut.o
obj-$(CONFIG_MTD_H720X) += h720x-flash.o
obj-$(CONFIG_MTD_SBC8240) += sbc8240.o
-obj-$(CONFIG_MTD_NOR_TOTO) += omap-toto-flash.o
obj-$(CONFIG_MTD_IXP4XX) += ixp4xx.o
obj-$(CONFIG_MTD_IXP2000) += ixp2000.o
obj-$(CONFIG_MTD_WRSBC8260) += wr_sbc82xx_flash.o
diff --git a/drivers/mtd/maps/ebony.c b/drivers/mtd/maps/ebony.c
deleted file mode 100644
index d92b7c70d3e..00000000000
--- a/drivers/mtd/maps/ebony.c
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * Mapping for Ebony user flash
- *
- * Matt Porter <mporter@kernel.crashing.org>
- *
- * Copyright 2002-2004 MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-#include <asm/io.h>
-#include <asm/ibm44x.h>
-#include <platforms/4xx/ebony.h>
-
-static struct mtd_info *flash;
-
-static struct map_info ebony_small_map = {
- .name = "Ebony small flash",
- .size = EBONY_SMALL_FLASH_SIZE,
- .bankwidth = 1,
-};
-
-static struct map_info ebony_large_map = {
- .name = "Ebony large flash",
- .size = EBONY_LARGE_FLASH_SIZE,
- .bankwidth = 1,
-};
-
-static struct mtd_partition ebony_small_partitions[] = {
- {
- .name = "OpenBIOS",
- .offset = 0x0,
- .size = 0x80000,
- }
-};
-
-static struct mtd_partition ebony_large_partitions[] = {
- {
- .name = "fs",
- .offset = 0,
- .size = 0x380000,
- },
- {
- .name = "firmware",
- .offset = 0x380000,
- .size = 0x80000,
- }
-};
-
-int __init init_ebony(void)
-{
- u8 fpga0_reg;
- u8 __iomem *fpga0_adr;
- unsigned long long small_flash_base, large_flash_base;
-
- fpga0_adr = ioremap64(EBONY_FPGA_ADDR, 16);
- if (!fpga0_adr)
- return -ENOMEM;
-
- fpga0_reg = readb(fpga0_adr);
- iounmap(fpga0_adr);
-
- if (EBONY_BOOT_SMALL_FLASH(fpga0_reg) &&
- !EBONY_FLASH_SEL(fpga0_reg))
- small_flash_base = EBONY_SMALL_FLASH_HIGH2;
- else if (EBONY_BOOT_SMALL_FLASH(fpga0_reg) &&
- EBONY_FLASH_SEL(fpga0_reg))
- small_flash_base = EBONY_SMALL_FLASH_HIGH1;
- else if (!EBONY_BOOT_SMALL_FLASH(fpga0_reg) &&
- !EBONY_FLASH_SEL(fpga0_reg))
- small_flash_base = EBONY_SMALL_FLASH_LOW2;
- else
- small_flash_base = EBONY_SMALL_FLASH_LOW1;
-
- if (EBONY_BOOT_SMALL_FLASH(fpga0_reg) &&
- !EBONY_ONBRD_FLASH_EN(fpga0_reg))
- large_flash_base = EBONY_LARGE_FLASH_LOW;
- else
- large_flash_base = EBONY_LARGE_FLASH_HIGH;
-
- ebony_small_map.phys = small_flash_base;
- ebony_small_map.virt = ioremap64(small_flash_base,
- ebony_small_map.size);
-
- if (!ebony_small_map.virt) {
- printk("Failed to ioremap flash\n");
- return -EIO;
- }
-
- simple_map_init(&ebony_small_map);
-
- flash = do_map_probe("jedec_probe", &ebony_small_map);
- if (flash) {
- flash->owner = THIS_MODULE;
- add_mtd_partitions(flash, ebony_small_partitions,
- ARRAY_SIZE(ebony_small_partitions));
- } else {
- printk("map probe failed for flash\n");
- iounmap(ebony_small_map.virt);
- return -ENXIO;
- }
-
- ebony_large_map.phys = large_flash_base;
- ebony_large_map.virt = ioremap64(large_flash_base,
- ebony_large_map.size);
-
- if (!ebony_large_map.virt) {
- printk("Failed to ioremap flash\n");
- iounmap(ebony_small_map.virt);
- return -EIO;
- }
-
- simple_map_init(&ebony_large_map);
-
- flash = do_map_probe("jedec_probe", &ebony_large_map);
- if (flash) {
- flash->owner = THIS_MODULE;
- add_mtd_partitions(flash, ebony_large_partitions,
- ARRAY_SIZE(ebony_large_partitions));
- } else {
- printk("map probe failed for flash\n");
- iounmap(ebony_small_map.virt);
- iounmap(ebony_large_map.virt);
- return -ENXIO;
- }
-
- return 0;
-}
-
-static void __exit cleanup_ebony(void)
-{
- if (flash) {
- del_mtd_partitions(flash);
- map_destroy(flash);
- }
-
- if (ebony_small_map.virt) {
- iounmap(ebony_small_map.virt);
- ebony_small_map.virt = NULL;
- }
-
- if (ebony_large_map.virt) {
- iounmap(ebony_large_map.virt);
- ebony_large_map.virt = NULL;
- }
-}
-
-module_init(init_ebony);
-module_exit(cleanup_ebony);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Matt Porter <mporter@kernel.crashing.org>");
-MODULE_DESCRIPTION("MTD map and partitions for IBM 440GP Ebony boards");
diff --git a/drivers/mtd/maps/ocotea.c b/drivers/mtd/maps/ocotea.c
deleted file mode 100644
index 5522eac8c98..00000000000
--- a/drivers/mtd/maps/ocotea.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * Mapping for Ocotea user flash
- *
- * Matt Porter <mporter@kernel.crashing.org>
- *
- * Copyright 2002-2004 MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-#include <asm/io.h>
-#include <asm/ibm44x.h>
-#include <platforms/4xx/ocotea.h>
-
-static struct mtd_info *flash;
-
-static struct map_info ocotea_small_map = {
- .name = "Ocotea small flash",
- .size = OCOTEA_SMALL_FLASH_SIZE,
- .buswidth = 1,
-};
-
-static struct map_info ocotea_large_map = {
- .name = "Ocotea large flash",
- .size = OCOTEA_LARGE_FLASH_SIZE,
- .buswidth = 1,
-};
-
-static struct mtd_partition ocotea_small_partitions[] = {
- {
- .name = "pibs",
- .offset = 0x0,
- .size = 0x100000,
- }
-};
-
-static struct mtd_partition ocotea_large_partitions[] = {
- {
- .name = "fs",
- .offset = 0,
- .size = 0x300000,
- },
- {
- .name = "firmware",
- .offset = 0x300000,
- .size = 0x100000,
- }
-};
-
-int __init init_ocotea(void)
-{
- u8 fpga0_reg;
- u8 *fpga0_adr;
- unsigned long long small_flash_base, large_flash_base;
-
- fpga0_adr = ioremap64(OCOTEA_FPGA_ADDR, 16);
- if (!fpga0_adr)
- return -ENOMEM;
-
- fpga0_reg = readb((unsigned long)fpga0_adr);
- iounmap(fpga0_adr);
-
- if (OCOTEA_BOOT_LARGE_FLASH(fpga0_reg)) {
- small_flash_base = OCOTEA_SMALL_FLASH_HIGH;
- large_flash_base = OCOTEA_LARGE_FLASH_LOW;
- }
- else {
- small_flash_base = OCOTEA_SMALL_FLASH_LOW;
- large_flash_base = OCOTEA_LARGE_FLASH_HIGH;
- }
-
- ocotea_small_map.phys = small_flash_base;
- ocotea_small_map.virt = ioremap64(small_flash_base,
- ocotea_small_map.size);
-
- if (!ocotea_small_map.virt) {
- printk("Failed to ioremap flash\n");
- return -EIO;
- }
-
- simple_map_init(&ocotea_small_map);
-
- flash = do_map_probe("map_rom", &ocotea_small_map);
- if (flash) {
- flash->owner = THIS_MODULE;
- add_mtd_partitions(flash, ocotea_small_partitions,
- ARRAY_SIZE(ocotea_small_partitions));
- } else {
- printk("map probe failed for flash\n");
- iounmap(ocotea_small_map.virt);
- return -ENXIO;
- }
-
- ocotea_large_map.phys = large_flash_base;
- ocotea_large_map.virt = ioremap64(large_flash_base,
- ocotea_large_map.size);
-
- if (!ocotea_large_map.virt) {
- printk("Failed to ioremap flash\n");
- iounmap(ocotea_small_map.virt);
- return -EIO;
- }
-
- simple_map_init(&ocotea_large_map);
-
- flash = do_map_probe("cfi_probe", &ocotea_large_map);
- if (flash) {
- flash->owner = THIS_MODULE;
- add_mtd_partitions(flash, ocotea_large_partitions,
- ARRAY_SIZE(ocotea_large_partitions));
- } else {
- printk("map probe failed for flash\n");
- iounmap(ocotea_small_map.virt);
- iounmap(ocotea_large_map.virt);
- return -ENXIO;
- }
-
- return 0;
-}
-
-static void __exit cleanup_ocotea(void)
-{
- if (flash) {
- del_mtd_partitions(flash);
- map_destroy(flash);
- }
-
- if (ocotea_small_map.virt) {
- iounmap((void *)ocotea_small_map.virt);
- ocotea_small_map.virt = 0;
- }
-
- if (ocotea_large_map.virt) {
- iounmap((void *)ocotea_large_map.virt);
- ocotea_large_map.virt = 0;
- }
-}
-
-module_init(init_ocotea);
-module_exit(cleanup_ocotea);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Matt Porter <mporter@kernel.crashing.org>");
-MODULE_DESCRIPTION("MTD map and partitions for IBM 440GX Ocotea boards");
diff --git a/drivers/mtd/maps/omap-toto-flash.c b/drivers/mtd/maps/omap-toto-flash.c
deleted file mode 100644
index 0a60ebbc217..00000000000
--- a/drivers/mtd/maps/omap-toto-flash.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * NOR Flash memory access on TI Toto board
- *
- * jzhang@ti.com (C) 2003 Texas Instruments.
- *
- * (C) 2002 MontVista Software, Inc.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-#include <asm/hardware.h>
-#include <asm/io.h>
-
-
-#ifndef CONFIG_ARCH_OMAP
-#error This is for OMAP architecture only
-#endif
-
-//these lines need be moved to a hardware header file
-#define OMAP_TOTO_FLASH_BASE 0xd8000000
-#define OMAP_TOTO_FLASH_SIZE 0x80000
-
-static struct map_info omap_toto_map_flash = {
- .name = "OMAP Toto flash",
- .bankwidth = 2,
- .virt = (void __iomem *)OMAP_TOTO_FLASH_BASE,
-};
-
-
-static struct mtd_partition toto_flash_partitions[] = {
- {
- .name = "BootLoader",
- .size = 0x00040000, /* hopefully u-boot will stay 128k + 128*/
- .offset = 0,
- .mask_flags = MTD_WRITEABLE, /* force read-only */
- }, {
- .name = "ReservedSpace",
- .size = 0x00030000,
- .offset = MTDPART_OFS_APPEND,
- //mask_flags: MTD_WRITEABLE, /* force read-only */
- }, {
- .name = "EnvArea", /* bottom 64KiB for env vars */
- .size = MTDPART_SIZ_FULL,
- .offset = MTDPART_OFS_APPEND,
- }
-};
-
-static struct mtd_partition *parsed_parts;
-
-static struct mtd_info *flash_mtd;
-
-static int __init init_flash (void)
-{
-
- struct mtd_partition *parts;
- int nb_parts = 0;
- int parsed_nr_parts = 0;
- const char *part_type;
-
- /*
- * Static partition definition selection
- */
- part_type = "static";
-
- parts = toto_flash_partitions;
- nb_parts = ARRAY_SIZE(toto_flash_partitions);
- omap_toto_map_flash.size = OMAP_TOTO_FLASH_SIZE;
- omap_toto_map_flash.phys = virt_to_phys(OMAP_TOTO_FLASH_BASE);
-
- simple_map_init(&omap_toto_map_flash);
- /*
- * Now let's probe for the actual flash. Do it here since
- * specific machine settings might have been set above.
- */
- printk(KERN_NOTICE "OMAP toto flash: probing %d-bit flash bus\n",
- omap_toto_map_flash.bankwidth*8);
- flash_mtd = do_map_probe("jedec_probe", &omap_toto_map_flash);
- if (!flash_mtd)
- return -ENXIO;
-
- if (parsed_nr_parts > 0) {
- parts = parsed_parts;
- nb_parts = parsed_nr_parts;
- }
-
- if (nb_parts == 0) {
- printk(KERN_NOTICE "OMAP toto flash: no partition info available,"
- "registering whole flash at once\n");
- if (add_mtd_device(flash_mtd)){
- return -ENXIO;
- }
- } else {
- printk(KERN_NOTICE "Using %s partition definition\n",
- part_type);
- return add_mtd_partitions(flash_mtd, parts, nb_parts);
- }
- return 0;
-}
-
-int __init omap_toto_mtd_init(void)
-{
- int status;
-
- if (status = init_flash()) {
- printk(KERN_ERR "OMAP Toto Flash: unable to init map for toto flash\n");
- }
- return status;
-}
-
-static void __exit omap_toto_mtd_cleanup(void)
-{
- if (flash_mtd) {
- del_mtd_partitions(flash_mtd);
- map_destroy(flash_mtd);
- kfree(parsed_parts);
- }
-}
-
-module_init(omap_toto_mtd_init);
-module_exit(omap_toto_mtd_cleanup);
-
-MODULE_AUTHOR("Jian Zhang");
-MODULE_DESCRIPTION("OMAP Toto board map driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/maps/pci.c b/drivers/mtd/maps/pci.c
index 5c6a25c9038..48f4cf5cb9d 100644
--- a/drivers/mtd/maps/pci.c
+++ b/drivers/mtd/maps/pci.c
@@ -203,15 +203,8 @@ intel_dc21285_init(struct pci_dev *dev, struct map_pci_info *map)
* not enabled, should we be allocating a new resource for it
* or simply enabling it?
*/
- if (!(pci_resource_flags(dev, PCI_ROM_RESOURCE) &
- IORESOURCE_ROM_ENABLE)) {
- u32 val;
- pci_resource_flags(dev, PCI_ROM_RESOURCE) |= IORESOURCE_ROM_ENABLE;
- pci_read_config_dword(dev, PCI_ROM_ADDRESS, &val);
- val |= PCI_ROM_ADDRESS_ENABLE;
- pci_write_config_dword(dev, PCI_ROM_ADDRESS, val);
- printk("%s: enabling expansion ROM\n", pci_name(dev));
- }
+ pci_enable_rom(dev);
+ printk("%s: enabling expansion ROM\n", pci_name(dev));
}
if (!len || !base)
@@ -232,18 +225,13 @@ intel_dc21285_init(struct pci_dev *dev, struct map_pci_info *map)
static void
intel_dc21285_exit(struct pci_dev *dev, struct map_pci_info *map)
{
- u32 val;
-
if (map->base)
iounmap(map->base);
/*
* We need to undo the PCI BAR2/PCI ROM BAR address alteration.
*/
- pci_resource_flags(dev, PCI_ROM_RESOURCE) &= ~IORESOURCE_ROM_ENABLE;
- pci_read_config_dword(dev, PCI_ROM_ADDRESS, &val);
- val &= ~PCI_ROM_ADDRESS_ENABLE;
- pci_write_config_dword(dev, PCI_ROM_ADDRESS, val);
+ pci_disable_rom(dev);
}
static unsigned long
diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index 49acd417189..5fcfec034a9 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -230,8 +230,7 @@ static int __devinit of_flash_probe(struct of_device *dev,
#ifdef CONFIG_MTD_OF_PARTS
if (err == 0) {
- err = of_mtd_parse_partitions(&dev->dev, info->mtd,
- dp, &info->parts);
+ err = of_mtd_parse_partitions(&dev->dev, dp, &info->parts);
if (err < 0)
return err;
}
diff --git a/drivers/mtd/maps/walnut.c b/drivers/mtd/maps/walnut.c
deleted file mode 100644
index e243476c817..00000000000
--- a/drivers/mtd/maps/walnut.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Mapping for Walnut flash
- * (used ebony.c as a "framework")
- *
- * Heikki Lindholm <holindho@infradead.org>
- *
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-#include <asm/io.h>
-#include <asm/ibm4xx.h>
-#include <platforms/4xx/walnut.h>
-
-/* these should be in platforms/4xx/walnut.h ? */
-#define WALNUT_FLASH_ONBD_N(x) (x & 0x02)
-#define WALNUT_FLASH_SRAM_SEL(x) (x & 0x01)
-#define WALNUT_FLASH_LOW 0xFFF00000
-#define WALNUT_FLASH_HIGH 0xFFF80000
-#define WALNUT_FLASH_SIZE 0x80000
-
-static struct mtd_info *flash;
-
-static struct map_info walnut_map = {
- .name = "Walnut flash",
- .size = WALNUT_FLASH_SIZE,
- .bankwidth = 1,
-};
-
-/* Actually, OpenBIOS is the last 128 KiB of the flash - better
- * partitioning could be made */
-static struct mtd_partition walnut_partitions[] = {
- {
- .name = "OpenBIOS",
- .offset = 0x0,
- .size = WALNUT_FLASH_SIZE,
- /*.mask_flags = MTD_WRITEABLE, */ /* force read-only */
- }
-};
-
-int __init init_walnut(void)
-{
- u8 fpga_brds1;
- void *fpga_brds1_adr;
- void *fpga_status_adr;
- unsigned long flash_base;
-
- /* this should already be mapped (platform/4xx/walnut.c) */
- fpga_status_adr = ioremap(WALNUT_FPGA_BASE, 8);
- if (!fpga_status_adr)
- return -ENOMEM;
-
- fpga_brds1_adr = fpga_status_adr+5;
- fpga_brds1 = readb(fpga_brds1_adr);
- /* iounmap(fpga_status_adr); */
-
- if (WALNUT_FLASH_ONBD_N(fpga_brds1)) {
- printk("The on-board flash is disabled (U79 sw 5)!");
- iounmap(fpga_status_adr);
- return -EIO;
- }
- if (WALNUT_FLASH_SRAM_SEL(fpga_brds1))
- flash_base = WALNUT_FLASH_LOW;
- else
- flash_base = WALNUT_FLASH_HIGH;
-
- walnut_map.phys = flash_base;
- walnut_map.virt =
- (void __iomem *)ioremap(flash_base, walnut_map.size);
-
- if (!walnut_map.virt) {
- printk("Failed to ioremap flash.\n");
- iounmap(fpga_status_adr);
- return -EIO;
- }
-
- simple_map_init(&walnut_map);
-
- flash = do_map_probe("jedec_probe", &walnut_map);
- if (flash) {
- flash->owner = THIS_MODULE;
- add_mtd_partitions(flash, walnut_partitions,
- ARRAY_SIZE(walnut_partitions));
- } else {
- printk("map probe failed for flash\n");
- iounmap(fpga_status_adr);
- return -ENXIO;
- }
-
- iounmap(fpga_status_adr);
- return 0;
-}
-
-static void __exit cleanup_walnut(void)
-{
- if (flash) {
- del_mtd_partitions(flash);
- map_destroy(flash);
- }
-
- if (walnut_map.virt) {
- iounmap((void *)walnut_map.virt);
- walnut_map.virt = 0;
- }
-}
-
-module_init(init_walnut);
-module_exit(cleanup_walnut);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Heikki Lindholm <holindho@infradead.org>");
-MODULE_DESCRIPTION("MTD map and partitions for IBM 405GP Walnut boards");
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 1c74762dec8..963840e9b5b 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -348,7 +348,7 @@ static void mtdchar_erase_callback (struct erase_info *instr)
wake_up((wait_queue_head_t *)instr->priv);
}
-#if defined(CONFIG_MTD_OTP) || defined(CONFIG_MTD_ONENAND_OTP)
+#ifdef CONFIG_HAVE_MTD_OTP
static int otp_select_filemode(struct mtd_file_info *mfi, int mode)
{
struct mtd_info *mtd = mfi->mtd;
@@ -665,7 +665,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
break;
}
-#if defined(CONFIG_MTD_OTP) || defined(CONFIG_MTD_ONENAND_OTP)
+#ifdef CONFIG_HAVE_MTD_OTP
case OTPSELECT:
{
int mode;
diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
index 2972a5edb73..789842d0e6f 100644
--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
@@ -444,7 +444,7 @@ static int concat_erase(struct mtd_info *mtd, struct erase_info *instr)
return -EINVAL;
}
- instr->fail_addr = 0xffffffff;
+ instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN;
/* make a local copy of instr to avoid modifying the caller's struct */
erase = kmalloc(sizeof (struct erase_info), GFP_KERNEL);
@@ -493,7 +493,7 @@ static int concat_erase(struct mtd_info *mtd, struct erase_info *instr)
/* sanity check: should never happen since
* block alignment has been checked above */
BUG_ON(err == -EINVAL);
- if (erase->fail_addr != 0xffffffff)
+ if (erase->fail_addr != MTD_FAIL_ADDR_UNKNOWN)
instr->fail_addr = erase->fail_addr + offset;
break;
}
diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c
index 5a680e1e61f..aebb3b27edb 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -33,6 +33,7 @@
#include <linux/interrupt.h>
#include <linux/mtd/mtd.h>
+#define MTDOOPS_KERNMSG_MAGIC 0x5d005d00
#define OOPS_PAGE_SIZE 4096
static struct mtdoops_context {
@@ -99,7 +100,7 @@ static void mtdoops_inc_counter(struct mtdoops_context *cxt)
int ret;
cxt->nextpage++;
- if (cxt->nextpage > cxt->oops_pages)
+ if (cxt->nextpage >= cxt->oops_pages)
cxt->nextpage = 0;
cxt->nextcount++;
if (cxt->nextcount == 0xffffffff)
@@ -141,7 +142,7 @@ static void mtdoops_workfunc_erase(struct work_struct *work)
mod = (cxt->nextpage * OOPS_PAGE_SIZE) % mtd->erasesize;
if (mod != 0) {
cxt->nextpage = cxt->nextpage + ((mtd->erasesize - mod) / OOPS_PAGE_SIZE);
- if (cxt->nextpage > cxt->oops_pages)
+ if (cxt->nextpage >= cxt->oops_pages)
cxt->nextpage = 0;
}
@@ -158,7 +159,7 @@ badblock:
cxt->nextpage * OOPS_PAGE_SIZE);
i++;
cxt->nextpage = cxt->nextpage + (mtd->erasesize / OOPS_PAGE_SIZE);
- if (cxt->nextpage > cxt->oops_pages)
+ if (cxt->nextpage >= cxt->oops_pages)
cxt->nextpage = 0;
if (i == (cxt->oops_pages / (mtd->erasesize / OOPS_PAGE_SIZE))) {
printk(KERN_ERR "mtdoops: All blocks bad!\n");
@@ -224,40 +225,40 @@ static void find_next_position(struct mtdoops_context *cxt)
{
struct mtd_info *mtd = cxt->mtd;
int ret, page, maxpos = 0;
- u32 count, maxcount = 0xffffffff;
+ u32 count[2], maxcount = 0xffffffff;
size_t retlen;
for (page = 0; page < cxt->oops_pages; page++) {
- ret = mtd->read(mtd, page * OOPS_PAGE_SIZE, 4, &retlen, (u_char *) &count);
- if ((retlen != 4) || ((ret < 0) && (ret != -EUCLEAN))) {
- printk(KERN_ERR "mtdoops: Read failure at %d (%td of 4 read)"
+ ret = mtd->read(mtd, page * OOPS_PAGE_SIZE, 8, &retlen, (u_char *) &count[0]);
+ if ((retlen != 8) || ((ret < 0) && (ret != -EUCLEAN))) {
+ printk(KERN_ERR "mtdoops: Read failure at %d (%td of 8 read)"
", err %d.\n", page * OOPS_PAGE_SIZE, retlen, ret);
continue;
}
- if (count == 0xffffffff)
+ if (count[1] != MTDOOPS_KERNMSG_MAGIC)
+ continue;
+ if (count[0] == 0xffffffff)
continue;
if (maxcount == 0xffffffff) {
- maxcount = count;
+ maxcount = count[0];
maxpos = page;
- } else if ((count < 0x40000000) && (maxcount > 0xc0000000)) {
- maxcount = count;
+ } else if ((count[0] < 0x40000000) && (maxcount > 0xc0000000)) {
+ maxcount = count[0];
maxpos = page;
- } else if ((count > maxcount) && (count < 0xc0000000)) {
- maxcount = count;
+ } else if ((count[0] > maxcount) && (count[0] < 0xc0000000)) {
+ maxcount = count[0];
maxpos = page;
- } else if ((count > maxcount) && (count > 0xc0000000)
+ } else if ((count[0] > maxcount) && (count[0] > 0xc0000000)
&& (maxcount > 0x80000000)) {
- maxcount = count;
+ maxcount = count[0];
maxpos = page;
}
}
if (maxcount == 0xffffffff) {
cxt->nextpage = 0;
cxt->nextcount = 1;
- cxt->ready = 1;
- printk(KERN_DEBUG "mtdoops: Ready %d, %d (first init)\n",
- cxt->nextpage, cxt->nextcount);
+ schedule_work(&cxt->work_erase);
return;
}
@@ -358,8 +359,9 @@ mtdoops_console_write(struct console *co, const char *s, unsigned int count)
if (cxt->writecount == 0) {
u32 *stamp = cxt->oops_buf;
- *stamp = cxt->nextcount;
- cxt->writecount = 4;
+ *stamp++ = cxt->nextcount;
+ *stamp = MTDOOPS_KERNMSG_MAGIC;
+ cxt->writecount = 8;
}
if ((count + cxt->writecount) > OOPS_PAGE_SIZE)
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 9a06dc93ee0..3728913fa5f 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -214,7 +214,7 @@ static int part_erase(struct mtd_info *mtd, struct erase_info *instr)
instr->addr += part->offset;
ret = part->master->erase(part->master, instr);
if (ret) {
- if (instr->fail_addr != 0xffffffff)
+ if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN)
instr->fail_addr -= part->offset;
instr->addr -= part->offset;
}
@@ -226,7 +226,7 @@ void mtd_erase_callback(struct erase_info *instr)
if (instr->mtd->erase == part_erase) {
struct mtd_part *part = PART(instr->mtd);
- if (instr->fail_addr != 0xffffffff)
+ if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN)
instr->fail_addr -= part->offset;
instr->addr -= part->offset;
}
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 41f361c49b3..1c2e9450d66 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -56,6 +56,12 @@ config MTD_NAND_H1900
help
This enables the driver for the iPAQ h1900 flash.
+config MTD_NAND_GPIO
+ tristate "GPIO NAND Flash driver"
+ depends on GENERIC_GPIO && ARM
+ help
+ This enables a GPIO based NAND flash driver.
+
config MTD_NAND_SPIA
tristate "NAND Flash device on SPIA board"
depends on ARCH_P720T
@@ -68,12 +74,6 @@ config MTD_NAND_AMS_DELTA
help
Support for NAND flash on Amstrad E3 (Delta).
-config MTD_NAND_TOTO
- tristate "NAND Flash device on TOTO board"
- depends on ARCH_OMAP && BROKEN
- help
- Support for NAND flash on Texas Instruments Toto platform.
-
config MTD_NAND_TS7250
tristate "NAND Flash device on TS-7250 board"
depends on MACH_TS72XX
@@ -163,13 +163,6 @@ config MTD_NAND_S3C2410_HWECC
incorrect ECC generation, and if using these, the default of
software ECC is preferable.
-config MTD_NAND_NDFC
- tristate "NDFC NanD Flash Controller"
- depends on 4xx && !PPC_MERGE
- select MTD_NAND_ECC_SMC
- help
- NDFC Nand Flash Controllers are integrated in IBM/AMCC's 4xx SoCs
-
config MTD_NAND_S3C2410_CLKSTOP
bool "S3C2410 NAND IDLE clock stop"
depends on MTD_NAND_S3C2410
@@ -340,6 +333,13 @@ config MTD_NAND_PXA3xx
This enables the driver for the NAND flash device found on
PXA3xx processors
+config MTD_NAND_PXA3xx_BUILTIN
+ bool "Use builtin definitions for some NAND chips (deprecated)"
+ depends on MTD_NAND_PXA3xx
+ help
+ This enables builtin definitions for some NAND chips. This
+ is deprecated in favor of platform specific data.
+
config MTD_NAND_CM_X270
tristate "Support for NAND Flash on CM-X270 modules"
depends on MTD_NAND && MACH_ARMCORE
@@ -400,10 +400,24 @@ config MTD_NAND_FSL_ELBC
config MTD_NAND_FSL_UPM
tristate "Support for NAND on Freescale UPM"
- depends on MTD_NAND && OF_GPIO && (PPC_83xx || PPC_85xx)
+ depends on MTD_NAND && (PPC_83xx || PPC_85xx)
select FSL_LBC
help
Enables support for NAND Flash chips wired onto Freescale PowerPC
processor localbus with User-Programmable Machine support.
+config MTD_NAND_MXC
+ tristate "MXC NAND support"
+ depends on ARCH_MX2
+ help
+ This enables the driver for the NAND flash controller on the
+ MXC processors.
+
+config MTD_NAND_SH_FLCTL
+ tristate "Support for NAND on Renesas SuperH FLCTL"
+ depends on MTD_NAND && SUPERH && CPU_SUBTYPE_SH7723
+ help
+ Several Renesas SuperH CPU has FLCTL. This option enables support
+ for NAND Flash using FLCTL. This driver support SH7723.
+
endif # MTD_NAND
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index b786c5da82d..b661586afbf 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -8,7 +8,6 @@ obj-$(CONFIG_MTD_NAND_IDS) += nand_ids.o
obj-$(CONFIG_MTD_NAND_CAFE) += cafe_nand.o
obj-$(CONFIG_MTD_NAND_SPIA) += spia.o
obj-$(CONFIG_MTD_NAND_AMS_DELTA) += ams-delta.o
-obj-$(CONFIG_MTD_NAND_TOTO) += toto.o
obj-$(CONFIG_MTD_NAND_AUTCPU12) += autcpu12.o
obj-$(CONFIG_MTD_NAND_EDB7312) += edb7312.o
obj-$(CONFIG_MTD_NAND_AU1550) += au1550nd.o
@@ -24,6 +23,7 @@ obj-$(CONFIG_MTD_NAND_NANDSIM) += nandsim.o
obj-$(CONFIG_MTD_NAND_CS553X) += cs553x_nand.o
obj-$(CONFIG_MTD_NAND_NDFC) += ndfc.o
obj-$(CONFIG_MTD_NAND_ATMEL) += atmel_nand.o
+obj-$(CONFIG_MTD_NAND_GPIO) += gpio.o
obj-$(CONFIG_MTD_NAND_CM_X270) += cmx270_nand.o
obj-$(CONFIG_MTD_NAND_BASLER_EXCITE) += excite_nandflash.o
obj-$(CONFIG_MTD_NAND_PXA3xx) += pxa3xx_nand.o
@@ -34,5 +34,7 @@ obj-$(CONFIG_MTD_NAND_PASEMI) += pasemi_nand.o
obj-$(CONFIG_MTD_NAND_ORION) += orion_nand.o
obj-$(CONFIG_MTD_NAND_FSL_ELBC) += fsl_elbc_nand.o
obj-$(CONFIG_MTD_NAND_FSL_UPM) += fsl_upm.o
+obj-$(CONFIG_MTD_NAND_SH_FLCTL) += sh_flctl.o
+obj-$(CONFIG_MTD_NAND_MXC) += mxc_nand.o
nand-objs := nand_base.o nand_bbt.o
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 3387e0d5076..c98c1570a40 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -174,48 +174,6 @@ static void atmel_write_buf16(struct mtd_info *mtd, const u8 *buf, int len)
}
/*
- * write oob for small pages
- */
-static int atmel_nand_write_oob_512(struct mtd_info *mtd,
- struct nand_chip *chip, int page)
-{
- int chunk = chip->ecc.bytes + chip->ecc.prepad + chip->ecc.postpad;
- int eccsize = chip->ecc.size, length = mtd->oobsize;
- int len, pos, status = 0;
- const uint8_t *bufpoi = chip->oob_poi;
-
- pos = eccsize + chunk;
-
- chip->cmdfunc(mtd, NAND_CMD_SEQIN, pos, page);
- len = min_t(int, length, chunk);
- chip->write_buf(mtd, bufpoi, len);
- bufpoi += len;
- length -= len;
- if (length > 0)
- chip->write_buf(mtd, bufpoi, length);
-
- chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
- status = chip->waitfunc(mtd, chip);
-
- return status & NAND_STATUS_FAIL ? -EIO : 0;
-
-}
-
-/*
- * read oob for small pages
- */
-static int atmel_nand_read_oob_512(struct mtd_info *mtd,
- struct nand_chip *chip, int page, int sndcmd)
-{
- if (sndcmd) {
- chip->cmdfunc(mtd, NAND_CMD_READOOB, 0, page);
- sndcmd = 0;
- }
- chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
- return sndcmd;
-}
-
-/*
* Calculate HW ECC
*
* function called after a write
@@ -235,14 +193,14 @@ static int atmel_nand_calculate(struct mtd_info *mtd,
/* get the first 2 ECC bytes */
ecc_value = ecc_readl(host->ecc, PR);
- ecc_code[eccpos[0]] = ecc_value & 0xFF;
- ecc_code[eccpos[1]] = (ecc_value >> 8) & 0xFF;
+ ecc_code[0] = ecc_value & 0xFF;
+ ecc_code[1] = (ecc_value >> 8) & 0xFF;
/* get the last 2 ECC bytes */
ecc_value = ecc_readl(host->ecc, NPR) & ATMEL_ECC_NPARITY;
- ecc_code[eccpos[2]] = ecc_value & 0xFF;
- ecc_code[eccpos[3]] = (ecc_value >> 8) & 0xFF;
+ ecc_code[2] = ecc_value & 0xFF;
+ ecc_code[3] = (ecc_value >> 8) & 0xFF;
return 0;
}
@@ -476,14 +434,12 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
res = -EIO;
goto err_ecc_ioremap;
}
- nand_chip->ecc.mode = NAND_ECC_HW_SYNDROME;
+ nand_chip->ecc.mode = NAND_ECC_HW;
nand_chip->ecc.calculate = atmel_nand_calculate;
nand_chip->ecc.correct = atmel_nand_correct;
nand_chip->ecc.hwctl = atmel_nand_hwctl;
nand_chip->ecc.read_page = atmel_nand_read_page;
nand_chip->ecc.bytes = 4;
- nand_chip->ecc.prepad = 0;
- nand_chip->ecc.postpad = 0;
}
nand_chip->chip_delay = 20; /* 20us command delay time */
@@ -514,7 +470,7 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
goto err_scan_ident;
}
- if (nand_chip->ecc.mode == NAND_ECC_HW_SYNDROME) {
+ if (nand_chip->ecc.mode == NAND_ECC_HW) {
/* ECC is calculated for the whole page (1 step) */
nand_chip->ecc.size = mtd->writesize;
@@ -522,8 +478,6 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
switch (mtd->writesize) {
case 512:
nand_chip->ecc.layout = &atmel_oobinfo_small;
- nand_chip->ecc.read_oob = atmel_nand_read_oob_512;
- nand_chip->ecc.write_oob = atmel_nand_write_oob_512;
ecc_writel(host->ecc, MR, ATMEL_ECC_PAGESIZE_528);
break;
case 1024:
diff --git a/drivers/mtd/nand/cs553x_nand.c b/drivers/mtd/nand/cs553x_nand.c
index 3370a800fd3..9f1b451005c 100644
--- a/drivers/mtd/nand/cs553x_nand.c
+++ b/drivers/mtd/nand/cs553x_nand.c
@@ -289,8 +289,10 @@ static int __init cs553x_init(void)
int i;
uint64_t val;
+#ifdef CONFIG_MTD_PARTITIONS
int mtd_parts_nb = 0;
struct mtd_partition *mtd_parts = NULL;
+#endif
/* If the CPU isn't a Geode GX or LX, abort */
if (!is_geode())
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 98ad3cefcaf..4aa5bd6158d 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -918,8 +918,7 @@ static int __devinit fsl_elbc_chip_probe(struct fsl_elbc_ctrl *ctrl,
#ifdef CONFIG_MTD_OF_PARTS
if (ret == 0) {
- ret = of_mtd_parse_partitions(priv->dev, &priv->mtd,
- node, &parts);
+ ret = of_mtd_parse_partitions(priv->dev, node, &parts);
if (ret < 0)
goto err;
}
diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index 1ebfd87f00b..024e3fffd4b 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -13,6 +13,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/delay.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>
@@ -36,8 +37,6 @@ struct fsl_upm_nand {
uint8_t upm_cmd_offset;
void __iomem *io_base;
int rnb_gpio;
- const uint32_t *wait_pattern;
- const uint32_t *wait_write;
int chip_delay;
};
@@ -61,10 +60,11 @@ static void fun_wait_rnb(struct fsl_upm_nand *fun)
if (fun->rnb_gpio >= 0) {
while (--cnt && !fun_chip_ready(&fun->mtd))
cpu_relax();
+ if (!cnt)
+ dev_err(fun->dev, "tired waiting for RNB\n");
+ } else {
+ ndelay(100);
}
-
- if (!cnt)
- dev_err(fun->dev, "tired waiting for RNB\n");
}
static void fun_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
@@ -89,8 +89,7 @@ static void fun_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
fsl_upm_run_pattern(&fun->upm, fun->io_base, cmd);
- if (fun->wait_pattern)
- fun_wait_rnb(fun);
+ fun_wait_rnb(fun);
}
static uint8_t fun_read_byte(struct mtd_info *mtd)
@@ -116,14 +115,16 @@ static void fun_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
for (i = 0; i < len; i++) {
out_8(fun->chip.IO_ADDR_W, buf[i]);
- if (fun->wait_write)
- fun_wait_rnb(fun);
+ fun_wait_rnb(fun);
}
}
-static int __devinit fun_chip_init(struct fsl_upm_nand *fun)
+static int __devinit fun_chip_init(struct fsl_upm_nand *fun,
+ const struct device_node *upm_np,
+ const struct resource *io_res)
{
int ret;
+ struct device_node *flash_np;
#ifdef CONFIG_MTD_PARTITIONS
static const char *part_types[] = { "cmdlinepart", NULL, };
#endif
@@ -143,18 +144,37 @@ static int __devinit fun_chip_init(struct fsl_upm_nand *fun)
fun->mtd.priv = &fun->chip;
fun->mtd.owner = THIS_MODULE;
+ flash_np = of_get_next_child(upm_np, NULL);
+ if (!flash_np)
+ return -ENODEV;
+
+ fun->mtd.name = kasprintf(GFP_KERNEL, "%x.%s", io_res->start,
+ flash_np->name);
+ if (!fun->mtd.name) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
ret = nand_scan(&fun->mtd, 1);
if (ret)
- return ret;
-
- fun->mtd.name = fun->dev->bus_id;
+ goto err;
#ifdef CONFIG_MTD_PARTITIONS
ret = parse_mtd_partitions(&fun->mtd, part_types, &fun->parts, 0);
+
+#ifdef CONFIG_MTD_OF_PARTS
+ if (ret == 0)
+ ret = of_mtd_parse_partitions(fun->dev, &fun->mtd,
+ flash_np, &fun->parts);
+#endif
if (ret > 0)
- return add_mtd_partitions(&fun->mtd, fun->parts, ret);
+ ret = add_mtd_partitions(&fun->mtd, fun->parts, ret);
+ else
#endif
- return add_mtd_device(&fun->mtd);
+ ret = add_mtd_device(&fun->mtd);
+err:
+ of_node_put(flash_np);
+ return ret;
}
static int __devinit fun_probe(struct of_device *ofdev,
@@ -211,6 +231,12 @@ static int __devinit fun_probe(struct of_device *ofdev,
goto err2;
}
+ prop = of_get_property(ofdev->node, "chip-delay", NULL);
+ if (prop)
+ fun->chip_delay = *prop;
+ else
+ fun->chip_delay = 50;
+
fun->io_base = devm_ioremap_nocache(&ofdev->dev, io_res.start,
io_res.end - io_res.start + 1);
if (!fun->io_base) {
@@ -220,17 +246,8 @@ static int __devinit fun_probe(struct of_device *ofdev,
fun->dev = &ofdev->dev;
fun->last_ctrl = NAND_CLE;
- fun->wait_pattern = of_get_property(ofdev->node, "fsl,wait-pattern",
- NULL);
- fun->wait_write = of_get_property(ofdev->node, "fsl,wait-write", NULL);
-
- prop = of_get_property(ofdev->node, "chip-delay", NULL);
- if (prop)
- fun->chip_delay = *prop;
- else
- fun->chip_delay = 50;
- ret = fun_chip_init(fun);
+ ret = fun_chip_init(fun, ofdev->node, &io_res);
if (ret)
goto err2;
@@ -251,6 +268,7 @@ static int __devexit fun_remove(struct of_device *ofdev)
struct fsl_upm_nand *fun = dev_get_drvdata(&ofdev->dev);
nand_release(&fun->mtd);
+ kfree(fun->mtd.name);
if (fun->rnb_gpio >= 0)
gpio_free(fun->rnb_gpio);
diff --git a/drivers/mtd/nand/gpio.c b/drivers/mtd/nand/gpio.c
new file mode 100644
index 00000000000..8f902e75aa8
--- /dev/null
+++ b/drivers/mtd/nand/gpio.c
@@ -0,0 +1,375 @@
+/*
+ * drivers/mtd/nand/gpio.c
+ *
+ * Updated, and converted to generic GPIO based driver by Russell King.
+ *
+ * Written by Ben Dooks <ben@simtec.co.uk>
+ * Based on 2.4 version by Mark Whittaker
+ *
+ * © 2004 Simtec Electronics
+ *
+ * Device driver for NAND connected via GPIO
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/io.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand-gpio.h>
+
+struct gpiomtd {
+ void __iomem *io_sync;
+ struct mtd_info mtd_info;
+ struct nand_chip nand_chip;
+ struct gpio_nand_platdata plat;
+};
+
+#define gpio_nand_getpriv(x) container_of(x, struct gpiomtd, mtd_info)
+
+
+#ifdef CONFIG_ARM
+/* gpio_nand_dosync()
+ *
+ * Make sure the GPIO state changes occur in-order with writes to NAND
+ * memory region.
+ * Needed on PXA due to bus-reordering within the SoC itself (see section on
+ * I/O ordering in PXA manual (section 2.3, p35)
+ */
+static void gpio_nand_dosync(struct gpiomtd *gpiomtd)
+{
+ unsigned long tmp;
+
+ if (gpiomtd->io_sync) {
+ /*
+ * Linux memory barriers don't cater for what's required here.
+ * What's required is what's here - a read from a separate
+ * region with a dependency on that read.
+ */
+ tmp = readl(gpiomtd->io_sync);
+ asm volatile("mov %1, %0\n" : "=r" (tmp) : "r" (tmp));
+ }
+}
+#else
+static inline void gpio_nand_dosync(struct gpiomtd *gpiomtd) {}
+#endif
+
+static void gpio_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
+ struct gpiomtd *gpiomtd = gpio_nand_getpriv(mtd);
+
+ gpio_nand_dosync(gpiomtd);
+
+ if (ctrl & NAND_CTRL_CHANGE) {
+ gpio_set_value(gpiomtd->plat.gpio_nce, !(ctrl & NAND_NCE));
+ gpio_set_value(gpiomtd->plat.gpio_cle, !!(ctrl & NAND_CLE));
+ gpio_set_value(gpiomtd->plat.gpio_ale, !!(ctrl & NAND_ALE));
+ gpio_nand_dosync(gpiomtd);
+ }
+ if (cmd == NAND_CMD_NONE)
+ return;
+
+ writeb(cmd, gpiomtd->nand_chip.IO_ADDR_W);
+ gpio_nand_dosync(gpiomtd);
+}
+
+static void gpio_nand_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
+{
+ struct nand_chip *this = mtd->priv;
+
+ writesb(this->IO_ADDR_W, buf, len);
+}
+
+static void gpio_nand_readbuf(struct mtd_info *mtd, u_char *buf, int len)
+{
+ struct nand_chip *this = mtd->priv;
+
+ readsb(this->IO_ADDR_R, buf, len);
+}
+
+static int gpio_nand_verifybuf(struct mtd_info *mtd, const u_char *buf, int len)
+{
+ struct nand_chip *this = mtd->priv;
+ unsigned char read, *p = (unsigned char *) buf;
+ int i, err = 0;
+
+ for (i = 0; i < len; i++) {
+ read = readb(this->IO_ADDR_R);
+ if (read != p[i]) {
+ pr_debug("%s: err at %d (read %04x vs %04x)\n",
+ __func__, i, read, p[i]);
+ err = -EFAULT;
+ }
+ }
+ return err;
+}
+
+static void gpio_nand_writebuf16(struct mtd_info *mtd, const u_char *buf,
+ int len)
+{
+ struct nand_chip *this = mtd->priv;
+
+ if (IS_ALIGNED((unsigned long)buf, 2)) {
+ writesw(this->IO_ADDR_W, buf, len>>1);
+ } else {
+ int i;
+ unsigned short *ptr = (unsigned short *)buf;
+
+ for (i = 0; i < len; i += 2, ptr++)
+ writew(*ptr, this->IO_ADDR_W);
+ }
+}
+
+static void gpio_nand_readbuf16(struct mtd_info *mtd, u_char *buf, int len)
+{
+ struct nand_chip *this = mtd->priv;
+
+ if (IS_ALIGNED((unsigned long)buf, 2)) {
+ readsw(this->IO_ADDR_R, buf, len>>1);
+ } else {
+ int i;
+ unsigned short *ptr = (unsigned short *)buf;
+
+ for (i = 0; i < len; i += 2, ptr++)
+ *ptr = readw(this->IO_ADDR_R);
+ }
+}
+
+static int gpio_nand_verifybuf16(struct mtd_info *mtd, const u_char *buf,
+ int len)
+{
+ struct nand_chip *this = mtd->priv;
+ unsigned short read, *p = (unsigned short *) buf;
+ int i, err = 0;
+ len >>= 1;
+
+ for (i = 0; i < len; i++) {
+ read = readw(this->IO_ADDR_R);
+ if (read != p[i]) {
+ pr_debug("%s: err at %d (read %04x vs %04x)\n",
+ __func__, i, read, p[i]);
+ err = -EFAULT;
+ }
+ }
+ return err;
+}
+
+
+static int gpio_nand_devready(struct mtd_info *mtd)
+{
+ struct gpiomtd *gpiomtd = gpio_nand_getpriv(mtd);
+ return gpio_get_value(gpiomtd->plat.gpio_rdy);
+}
+
+static int __devexit gpio_nand_remove(struct platform_device *dev)
+{
+ struct gpiomtd *gpiomtd = platform_get_drvdata(dev);
+ struct resource *res;
+
+ nand_release(&gpiomtd->mtd_info);
+
+ res = platform_get_resource(dev, IORESOURCE_MEM, 1);
+ iounmap(gpiomtd->io_sync);
+ if (res)
+ release_mem_region(res->start, res->end - res->start + 1);
+
+ res = platform_get_resource(dev, IORESOURCE_MEM, 0);
+ iounmap(gpiomtd->nand_chip.IO_ADDR_R);
+ release_mem_region(res->start, res->end - res->start + 1);
+
+ if (gpio_is_valid(gpiomtd->plat.gpio_nwp))
+ gpio_set_value(gpiomtd->plat.gpio_nwp, 0);
+ gpio_set_value(gpiomtd->plat.gpio_nce, 1);
+
+ gpio_free(gpiomtd->plat.gpio_cle);
+ gpio_free(gpiomtd->plat.gpio_ale);
+ gpio_free(gpiomtd->plat.gpio_nce);
+ if (gpio_is_valid(gpiomtd->plat.gpio_nwp))
+ gpio_free(gpiomtd->plat.gpio_nwp);
+ gpio_free(gpiomtd->plat.gpio_rdy);
+
+ kfree(gpiomtd);
+
+ return 0;
+}
+
+static void __iomem *request_and_remap(struct resource *res, size_t size,
+ const char *name, int *err)
+{
+ void __iomem *ptr;
+
+ if (!request_mem_region(res->start, res->end - res->start + 1, name)) {
+ *err = -EBUSY;
+ return NULL;
+ }
+
+ ptr = ioremap(res->start, size);
+ if (!ptr) {
+ release_mem_region(res->start, res->end - res->start + 1);
+ *err = -ENOMEM;
+ }
+ return ptr;
+}
+
+static int __devinit gpio_nand_probe(struct platform_device *dev)
+{
+ struct gpiomtd *gpiomtd;
+ struct nand_chip *this;
+ struct resource *res0, *res1;
+ int ret;
+
+ if (!dev->dev.platform_data)
+ return -EINVAL;
+
+ res0 = platform_get_resource(dev, IORESOURCE_MEM, 0);
+ if (!res0)
+ return -EINVAL;
+
+ gpiomtd = kzalloc(sizeof(*gpiomtd), GFP_KERNEL);
+ if (gpiomtd == NULL) {
+ dev_err(&dev->dev, "failed to create NAND MTD\n");
+ return -ENOMEM;
+ }
+
+ this = &gpiomtd->nand_chip;
+ this->IO_ADDR_R = request_and_remap(res0, 2, "NAND", &ret);
+ if (!this->IO_ADDR_R) {
+ dev_err(&dev->dev, "unable to map NAND\n");
+ goto err_map;
+ }
+
+ res1 = platform_get_resource(dev, IORESOURCE_MEM, 1);
+ if (res1) {
+ gpiomtd->io_sync = request_and_remap(res1, 4, "NAND sync", &ret);
+ if (!gpiomtd->io_sync) {
+ dev_err(&dev->dev, "unable to map sync NAND\n");
+ goto err_sync;
+ }
+ }
+
+ memcpy(&gpiomtd->plat, dev->dev.platform_data, sizeof(gpiomtd->plat));
+
+ ret = gpio_request(gpiomtd->plat.gpio_nce, "NAND NCE");
+ if (ret)
+ goto err_nce;
+ gpio_direction_output(gpiomtd->plat.gpio_nce, 1);
+ if (gpio_is_valid(gpiomtd->plat.gpio_nwp)) {
+ ret = gpio_request(gpiomtd->plat.gpio_nwp, "NAND NWP");
+ if (ret)
+ goto err_nwp;
+ gpio_direction_output(gpiomtd->plat.gpio_nwp, 1);
+ }
+ ret = gpio_request(gpiomtd->plat.gpio_ale, "NAND ALE");
+ if (ret)
+ goto err_ale;
+ gpio_direction_output(gpiomtd->plat.gpio_ale, 0);
+ ret = gpio_request(gpiomtd->plat.gpio_cle, "NAND CLE");
+ if (ret)
+ goto err_cle;
+ gpio_direction_output(gpiomtd->plat.gpio_cle, 0);
+ ret = gpio_request(gpiomtd->plat.gpio_rdy, "NAND RDY");
+ if (ret)
+ goto err_rdy;
+ gpio_direction_input(gpiomtd->plat.gpio_rdy);
+
+
+ this->IO_ADDR_W = this->IO_ADDR_R;
+ this->ecc.mode = NAND_ECC_SOFT;
+ this->options = gpiomtd->plat.options;
+ this->chip_delay = gpiomtd->plat.chip_delay;
+
+ /* install our routines */
+ this->cmd_ctrl = gpio_nand_cmd_ctrl;
+ this->dev_ready = gpio_nand_devready;
+
+ if (this->options & NAND_BUSWIDTH_16) {
+ this->read_buf = gpio_nand_readbuf16;
+ this->write_buf = gpio_nand_writebuf16;
+ this->verify_buf = gpio_nand_verifybuf16;
+ } else {
+ this->read_buf = gpio_nand_readbuf;
+ this->write_buf = gpio_nand_writebuf;
+ this->verify_buf = gpio_nand_verifybuf;
+ }
+
+ /* set the mtd private data for the nand driver */
+ gpiomtd->mtd_info.priv = this;
+ gpiomtd->mtd_info.owner = THIS_MODULE;
+
+ if (nand_scan(&gpiomtd->mtd_info, 1)) {
+ dev_err(&dev->dev, "no nand chips found?\n");
+ ret = -ENXIO;
+ goto err_wp;
+ }
+
+ if (gpiomtd->plat.adjust_parts)
+ gpiomtd->plat.adjust_parts(&gpiomtd->plat,
+ gpiomtd->mtd_info.size);
+
+ add_mtd_partitions(&gpiomtd->mtd_info, gpiomtd->plat.parts,
+ gpiomtd->plat.num_parts);
+ platform_set_drvdata(dev, gpiomtd);
+
+ return 0;
+
+err_wp:
+ if (gpio_is_valid(gpiomtd->plat.gpio_nwp))
+ gpio_set_value(gpiomtd->plat.gpio_nwp, 0);
+ gpio_free(gpiomtd->plat.gpio_rdy);
+err_rdy:
+ gpio_free(gpiomtd->plat.gpio_cle);
+err_cle:
+ gpio_free(gpiomtd->plat.gpio_ale);
+err_ale:
+ if (gpio_is_valid(gpiomtd->plat.gpio_nwp))
+ gpio_free(gpiomtd->plat.gpio_nwp);
+err_nwp:
+ gpio_free(gpiomtd->plat.gpio_nce);
+err_nce:
+ iounmap(gpiomtd->io_sync);
+ if (res1)
+ release_mem_region(res1->start, res1->end - res1->start + 1);
+err_sync:
+ iounmap(gpiomtd->nand_chip.IO_ADDR_R);
+ release_mem_region(res0->start, res0->end - res0->start + 1);
+err_map:
+ kfree(gpiomtd);
+ return ret;
+}
+
+static struct platform_driver gpio_nand_driver = {
+ .probe = gpio_nand_probe,
+ .remove = gpio_nand_remove,
+ .driver = {
+ .name = "gpio-nand",
+ },
+};
+
+static int __init gpio_nand_init(void)
+{
+ printk(KERN_INFO "GPIO NAND driver, © 2004 Simtec Electronics\n");
+
+ return platform_driver_register(&gpio_nand_driver);
+}
+
+static void __exit gpio_nand_exit(void)
+{
+ platform_driver_unregister(&gpio_nand_driver);
+}
+
+module_init(gpio_nand_init);
+module_exit(gpio_nand_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
+MODULE_DESCRIPTION("GPIO NAND Driver");
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
new file mode 100644
index 00000000000..21fd4f1c480
--- /dev/null
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -0,0 +1,1077 @@
+/*
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Sascha Hauer, kernel@pengutronix.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <asm/mach/flash.h>
+#include <mach/mxc_nand.h>
+
+#define DRIVER_NAME "mxc_nand"
+
+/* Addresses for NFC registers */
+#define NFC_BUF_SIZE 0xE00
+#define NFC_BUF_ADDR 0xE04
+#define NFC_FLASH_ADDR 0xE06
+#define NFC_FLASH_CMD 0xE08
+#define NFC_CONFIG 0xE0A
+#define NFC_ECC_STATUS_RESULT 0xE0C
+#define NFC_RSLTMAIN_AREA 0xE0E
+#define NFC_RSLTSPARE_AREA 0xE10
+#define NFC_WRPROT 0xE12
+#define NFC_UNLOCKSTART_BLKADDR 0xE14
+#define NFC_UNLOCKEND_BLKADDR 0xE16
+#define NFC_NF_WRPRST 0xE18
+#define NFC_CONFIG1 0xE1A
+#define NFC_CONFIG2 0xE1C
+
+/* Addresses for NFC RAM BUFFER Main area 0 */
+#define MAIN_AREA0 0x000
+#define MAIN_AREA1 0x200
+#define MAIN_AREA2 0x400
+#define MAIN_AREA3 0x600
+
+/* Addresses for NFC SPARE BUFFER Spare area 0 */
+#define SPARE_AREA0 0x800
+#define SPARE_AREA1 0x810
+#define SPARE_AREA2 0x820
+#define SPARE_AREA3 0x830
+
+/* Set INT to 0, FCMD to 1, rest to 0 in NFC_CONFIG2 Register
+ * for Command operation */
+#define NFC_CMD 0x1
+
+/* Set INT to 0, FADD to 1, rest to 0 in NFC_CONFIG2 Register
+ * for Address operation */
+#define NFC_ADDR 0x2
+
+/* Set INT to 0, FDI to 1, rest to 0 in NFC_CONFIG2 Register
+ * for Input operation */
+#define NFC_INPUT 0x4
+
+/* Set INT to 0, FDO to 001, rest to 0 in NFC_CONFIG2 Register
+ * for Data Output operation */
+#define NFC_OUTPUT 0x8
+
+/* Set INT to 0, FD0 to 010, rest to 0 in NFC_CONFIG2 Register
+ * for Read ID operation */
+#define NFC_ID 0x10
+
+/* Set INT to 0, FDO to 100, rest to 0 in NFC_CONFIG2 Register
+ * for Read Status operation */
+#define NFC_STATUS 0x20
+
+/* Set INT to 1, rest to 0 in NFC_CONFIG2 Register for Read
+ * Status operation */
+#define NFC_INT 0x8000
+
+#define NFC_SP_EN (1 << 2)
+#define NFC_ECC_EN (1 << 3)
+#define NFC_INT_MSK (1 << 4)
+#define NFC_BIG (1 << 5)
+#define NFC_RST (1 << 6)
+#define NFC_CE (1 << 7)
+#define NFC_ONE_CYCLE (1 << 8)
+
+struct mxc_nand_host {
+ struct mtd_info mtd;
+ struct nand_chip nand;
+ struct mtd_partition *parts;
+ struct device *dev;
+
+ void __iomem *regs;
+ int spare_only;
+ int status_request;
+ int pagesize_2k;
+ uint16_t col_addr;
+ struct clk *clk;
+ int clk_act;
+ int irq;
+
+ wait_queue_head_t irq_waitq;
+};
+
+/* Define delays in microsec for NAND device operations */
+#define TROP_US_DELAY 2000
+/* Macros to get byte and bit positions of ECC */
+#define COLPOS(x) ((x) >> 3)
+#define BITPOS(x) ((x) & 0xf)
+
+/* Define single bit Error positions in Main & Spare area */
+#define MAIN_SINGLEBIT_ERROR 0x4
+#define SPARE_SINGLEBIT_ERROR 0x1
+
+/* OOB placement block for use with hardware ecc generation */
+static struct nand_ecclayout nand_hw_eccoob_8 = {
+ .eccbytes = 5,
+ .eccpos = {6, 7, 8, 9, 10},
+ .oobfree = {{0, 5}, {11, 5}, }
+};
+
+static struct nand_ecclayout nand_hw_eccoob_16 = {
+ .eccbytes = 5,
+ .eccpos = {6, 7, 8, 9, 10},
+ .oobfree = {{0, 6}, {12, 4}, }
+};
+
+#ifdef CONFIG_MTD_PARTITIONS
+static const char *part_probes[] = { "RedBoot", "cmdlinepart", NULL };
+#endif
+
+static irqreturn_t mxc_nfc_irq(int irq, void *dev_id)
+{
+ struct mxc_nand_host *host = dev_id;
+
+ uint16_t tmp;
+
+ tmp = readw(host->regs + NFC_CONFIG1);
+ tmp |= NFC_INT_MSK; /* Disable interrupt */
+ writew(tmp, host->regs + NFC_CONFIG1);
+
+ wake_up(&host->irq_waitq);
+
+ return IRQ_HANDLED;
+}
+
+/* This function polls the NANDFC to wait for the basic operation to
+ * complete by checking the INT bit of config2 register.
+ */
+static void wait_op_done(struct mxc_nand_host *host, int max_retries,
+ uint16_t param, int useirq)
+{
+ uint32_t tmp;
+
+ if (useirq) {
+ if ((readw(host->regs + NFC_CONFIG2) & NFC_INT) == 0) {
+
+ tmp = readw(host->regs + NFC_CONFIG1);
+ tmp &= ~NFC_INT_MSK; /* Enable interrupt */
+ writew(tmp, host->regs + NFC_CONFIG1);
+
+ wait_event(host->irq_waitq,
+ readw(host->regs + NFC_CONFIG2) & NFC_INT);
+
+ tmp = readw(host->regs + NFC_CONFIG2);
+ tmp &= ~NFC_INT;
+ writew(tmp, host->regs + NFC_CONFIG2);
+ }
+ } else {
+ while (max_retries-- > 0) {
+ if (readw(host->regs + NFC_CONFIG2) & NFC_INT) {
+ tmp = readw(host->regs + NFC_CONFIG2);
+ tmp &= ~NFC_INT;
+ writew(tmp, host->regs + NFC_CONFIG2);
+ break;
+ }
+ udelay(1);
+ }
+ if (max_retries <= 0)
+ DEBUG(MTD_DEBUG_LEVEL0, "%s(%d): INT not set\n",
+ __func__, param);
+ }
+}
+
+/* This function issues the specified command to the NAND device and
+ * waits for completion. */
+static void send_cmd(struct mxc_nand_host *host, uint16_t cmd, int useirq)
+{
+ DEBUG(MTD_DEBUG_LEVEL3, "send_cmd(host, 0x%x, %d)\n", cmd, useirq);
+
+ writew(cmd, host->regs + NFC_FLASH_CMD);
+ writew(NFC_CMD, host->regs + NFC_CONFIG2);
+
+ /* Wait for operation to complete */
+ wait_op_done(host, TROP_US_DELAY, cmd, useirq);
+}
+
+/* This function sends an address (or partial address) to the
+ * NAND device. The address is used to select the source/destination for
+ * a NAND command. */
+static void send_addr(struct mxc_nand_host *host, uint16_t addr, int islast)
+{
+ DEBUG(MTD_DEBUG_LEVEL3, "send_addr(host, 0x%x %d)\n", addr, islast);
+
+ writew(addr, host->regs + NFC_FLASH_ADDR);
+ writew(NFC_ADDR, host->regs + NFC_CONFIG2);
+
+ /* Wait for operation to complete */
+ wait_op_done(host, TROP_US_DELAY, addr, islast);
+}
+
+/* This function requests the NANDFC to initate the transfer
+ * of data currently in the NANDFC RAM buffer to the NAND device. */
+static void send_prog_page(struct mxc_nand_host *host, uint8_t buf_id,
+ int spare_only)
+{
+ DEBUG(MTD_DEBUG_LEVEL3, "send_prog_page (%d)\n", spare_only);
+
+ /* NANDFC buffer 0 is used for page read/write */
+ writew(buf_id, host->regs + NFC_BUF_ADDR);
+
+ /* Configure spare or page+spare access */
+ if (!host->pagesize_2k) {
+ uint16_t config1 = readw(host->regs + NFC_CONFIG1);
+ if (spare_only)
+ config1 |= NFC_SP_EN;
+ else
+ config1 &= ~(NFC_SP_EN);
+ writew(config1, host->regs + NFC_CONFIG1);
+ }
+
+ writew(NFC_INPUT, host->regs + NFC_CONFIG2);
+
+ /* Wait for operation to complete */
+ wait_op_done(host, TROP_US_DELAY, spare_only, true);
+}
+
+/* Requests NANDFC to initated the transfer of data from the
+ * NAND device into in the NANDFC ram buffer. */
+static void send_read_page(struct mxc_nand_host *host, uint8_t buf_id,
+ int spare_only)
+{
+ DEBUG(MTD_DEBUG_LEVEL3, "send_read_page (%d)\n", spare_only);
+
+ /* NANDFC buffer 0 is used for page read/write */
+ writew(buf_id, host->regs + NFC_BUF_ADDR);
+
+ /* Configure spare or page+spare access */
+ if (!host->pagesize_2k) {
+ uint32_t config1 = readw(host->regs + NFC_CONFIG1);
+ if (spare_only)
+ config1 |= NFC_SP_EN;
+ else
+ config1 &= ~NFC_SP_EN;
+ writew(config1, host->regs + NFC_CONFIG1);
+ }
+
+ writew(NFC_OUTPUT, host->regs + NFC_CONFIG2);
+
+ /* Wait for operation to complete */
+ wait_op_done(host, TROP_US_DELAY, spare_only, true);
+}
+
+/* Request the NANDFC to perform a read of the NAND device ID. */
+static void send_read_id(struct mxc_nand_host *host)
+{
+ struct nand_chip *this = &host->nand;
+ uint16_t tmp;
+
+ /* NANDFC buffer 0 is used for device ID output */
+ writew(0x0, host->regs + NFC_BUF_ADDR);
+
+ /* Read ID into main buffer */
+ tmp = readw(host->regs + NFC_CONFIG1);
+ tmp &= ~NFC_SP_EN;
+ writew(tmp, host->regs + NFC_CONFIG1);
+
+ writew(NFC_ID, host->regs + NFC_CONFIG2);
+
+ /* Wait for operation to complete */
+ wait_op_done(host, TROP_US_DELAY, 0, true);
+
+ if (this->options & NAND_BUSWIDTH_16) {
+ void __iomem *main_buf = host->regs + MAIN_AREA0;
+ /* compress the ID info */
+ writeb(readb(main_buf + 2), main_buf + 1);
+ writeb(readb(main_buf + 4), main_buf + 2);
+ writeb(readb(main_buf + 6), main_buf + 3);
+ writeb(readb(main_buf + 8), main_buf + 4);
+ writeb(readb(main_buf + 10), main_buf + 5);
+ }
+}
+
+/* This function requests the NANDFC to perform a read of the
+ * NAND device status and returns the current status. */
+static uint16_t get_dev_status(struct mxc_nand_host *host)
+{
+ void __iomem *main_buf = host->regs + MAIN_AREA1;
+ uint32_t store;
+ uint16_t ret, tmp;
+ /* Issue status request to NAND device */
+
+ /* store the main area1 first word, later do recovery */
+ store = readl(main_buf);
+ /* NANDFC buffer 1 is used for device status to prevent
+ * corruption of read/write buffer on status requests. */
+ writew(1, host->regs + NFC_BUF_ADDR);
+
+ /* Read status into main buffer */
+ tmp = readw(host->regs + NFC_CONFIG1);
+ tmp &= ~NFC_SP_EN;
+ writew(tmp, host->regs + NFC_CONFIG1);
+
+ writew(NFC_STATUS, host->regs + NFC_CONFIG2);
+
+ /* Wait for operation to complete */
+ wait_op_done(host, TROP_US_DELAY, 0, true);
+
+ /* Status is placed in first word of main buffer */
+ /* get status, then recovery area 1 data */
+ ret = readw(main_buf);
+ writel(store, main_buf);
+
+ return ret;
+}
+
+/* This functions is used by upper layer to checks if device is ready */
+static int mxc_nand_dev_ready(struct mtd_info *mtd)
+{
+ /*
+ * NFC handles R/B internally. Therefore, this function
+ * always returns status as ready.
+ */
+ return 1;
+}
+
+static void mxc_nand_enable_hwecc(struct mtd_info *mtd, int mode)
+{
+ /*
+ * If HW ECC is enabled, we turn it on during init. There is
+ * no need to enable again here.
+ */
+}
+
+static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat,
+ u_char *read_ecc, u_char *calc_ecc)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+ struct mxc_nand_host *host = nand_chip->priv;
+
+ /*
+ * 1-Bit errors are automatically corrected in HW. No need for
+ * additional correction. 2-Bit errors cannot be corrected by
+ * HW ECC, so we need to return failure
+ */
+ uint16_t ecc_status = readw(host->regs + NFC_ECC_STATUS_RESULT);
+
+ if (((ecc_status & 0x3) == 2) || ((ecc_status >> 2) == 2)) {
+ DEBUG(MTD_DEBUG_LEVEL0,
+ "MXC_NAND: HWECC uncorrectable 2-bit ECC error\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int mxc_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
+ u_char *ecc_code)
+{
+ return 0;
+}
+
+static u_char mxc_nand_read_byte(struct mtd_info *mtd)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+ struct mxc_nand_host *host = nand_chip->priv;
+ uint8_t ret = 0;
+ uint16_t col, rd_word;
+ uint16_t __iomem *main_buf = host->regs + MAIN_AREA0;
+ uint16_t __iomem *spare_buf = host->regs + SPARE_AREA0;
+
+ /* Check for status request */
+ if (host->status_request)
+ return get_dev_status(host) & 0xFF;
+
+ /* Get column for 16-bit access */
+ col = host->col_addr >> 1;
+
+ /* If we are accessing the spare region */
+ if (host->spare_only)
+ rd_word = readw(&spare_buf[col]);
+ else
+ rd_word = readw(&main_buf[col]);
+
+ /* Pick upper/lower byte of word from RAM buffer */
+ if (host->col_addr & 0x1)
+ ret = (rd_word >> 8) & 0xFF;
+ else
+ ret = rd_word & 0xFF;
+
+ /* Update saved column address */
+ host->col_addr++;
+
+ return ret;
+}
+
+static uint16_t mxc_nand_read_word(struct mtd_info *mtd)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+ struct mxc_nand_host *host = nand_chip->priv;
+ uint16_t col, rd_word, ret;
+ uint16_t __iomem *p;
+
+ DEBUG(MTD_DEBUG_LEVEL3,
+ "mxc_nand_read_word(col = %d)\n", host->col_addr);
+
+ col = host->col_addr;
+ /* Adjust saved column address */
+ if (col < mtd->writesize && host->spare_only)
+ col += mtd->writesize;
+
+ if (col < mtd->writesize)
+ p = (host->regs + MAIN_AREA0) + (col >> 1);
+ else
+ p = (host->regs + SPARE_AREA0) + ((col - mtd->writesize) >> 1);
+
+ if (col & 1) {
+ rd_word = readw(p);
+ ret = (rd_word >> 8) & 0xff;
+ rd_word = readw(&p[1]);
+ ret |= (rd_word << 8) & 0xff00;
+
+ } else
+ ret = readw(p);
+
+ /* Update saved column address */
+ host->col_addr = col + 2;
+
+ return ret;
+}
+
+/* Write data of length len to buffer buf. The data to be
+ * written on NAND Flash is first copied to RAMbuffer. After the Data Input
+ * Operation by the NFC, the data is written to NAND Flash */
+static void mxc_nand_write_buf(struct mtd_info *mtd,
+ const u_char *buf, int len)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+ struct mxc_nand_host *host = nand_chip->priv;
+ int n, col, i = 0;
+
+ DEBUG(MTD_DEBUG_LEVEL3,
+ "mxc_nand_write_buf(col = %d, len = %d)\n", host->col_addr,
+ len);
+
+ col = host->col_addr;
+
+ /* Adjust saved column address */
+ if (col < mtd->writesize && host->spare_only)
+ col += mtd->writesize;
+
+ n = mtd->writesize + mtd->oobsize - col;
+ n = min(len, n);
+
+ DEBUG(MTD_DEBUG_LEVEL3,
+ "%s:%d: col = %d, n = %d\n", __func__, __LINE__, col, n);
+
+ while (n) {
+ void __iomem *p;
+
+ if (col < mtd->writesize)
+ p = host->regs + MAIN_AREA0 + (col & ~3);
+ else
+ p = host->regs + SPARE_AREA0 -
+ mtd->writesize + (col & ~3);
+
+ DEBUG(MTD_DEBUG_LEVEL3, "%s:%d: p = %p\n", __func__,
+ __LINE__, p);
+
+ if (((col | (int)&buf[i]) & 3) || n < 16) {
+ uint32_t data = 0;
+
+ if (col & 3 || n < 4)
+ data = readl(p);
+
+ switch (col & 3) {
+ case 0:
+ if (n) {
+ data = (data & 0xffffff00) |
+ (buf[i++] << 0);
+ n--;
+ col++;
+ }
+ case 1:
+ if (n) {
+ data = (data & 0xffff00ff) |
+ (buf[i++] << 8);
+ n--;
+ col++;
+ }
+ case 2:
+ if (n) {
+ data = (data & 0xff00ffff) |
+ (buf[i++] << 16);
+ n--;
+ col++;
+ }
+ case 3:
+ if (n) {
+ data = (data & 0x00ffffff) |
+ (buf[i++] << 24);
+ n--;
+ col++;
+ }
+ }
+
+ writel(data, p);
+ } else {
+ int m = mtd->writesize - col;
+
+ if (col >= mtd->writesize)
+ m += mtd->oobsize;
+
+ m = min(n, m) & ~3;
+
+ DEBUG(MTD_DEBUG_LEVEL3,
+ "%s:%d: n = %d, m = %d, i = %d, col = %d\n",
+ __func__, __LINE__, n, m, i, col);
+
+ memcpy(p, &buf[i], m);
+ col += m;
+ i += m;
+ n -= m;
+ }
+ }
+ /* Update saved column address */
+ host->col_addr = col;
+}
+
+/* Read the data buffer from the NAND Flash. To read the data from NAND
+ * Flash first the data output cycle is initiated by the NFC, which copies
+ * the data to RAMbuffer. This data of length len is then copied to buffer buf.
+ */
+static void mxc_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+ struct mxc_nand_host *host = nand_chip->priv;
+ int n, col, i = 0;
+
+ DEBUG(MTD_DEBUG_LEVEL3,
+ "mxc_nand_read_buf(col = %d, len = %d)\n", host->col_addr, len);
+
+ col = host->col_addr;
+
+ /* Adjust saved column address */
+ if (col < mtd->writesize && host->spare_only)
+ col += mtd->writesize;
+
+ n = mtd->writesize + mtd->oobsize - col;
+ n = min(len, n);
+
+ while (n) {
+ void __iomem *p;
+
+ if (col < mtd->writesize)
+ p = host->regs + MAIN_AREA0 + (col & ~3);
+ else
+ p = host->regs + SPARE_AREA0 -
+ mtd->writesize + (col & ~3);
+
+ if (((col | (int)&buf[i]) & 3) || n < 16) {
+ uint32_t data;
+
+ data = readl(p);
+ switch (col & 3) {
+ case 0:
+ if (n) {
+ buf[i++] = (uint8_t) (data);
+ n--;
+ col++;
+ }
+ case 1:
+ if (n) {
+ buf[i++] = (uint8_t) (data >> 8);
+ n--;
+ col++;
+ }
+ case 2:
+ if (n) {
+ buf[i++] = (uint8_t) (data >> 16);
+ n--;
+ col++;
+ }
+ case 3:
+ if (n) {
+ buf[i++] = (uint8_t) (data >> 24);
+ n--;
+ col++;
+ }
+ }
+ } else {
+ int m = mtd->writesize - col;
+
+ if (col >= mtd->writesize)
+ m += mtd->oobsize;
+
+ m = min(n, m) & ~3;
+ memcpy(&buf[i], p, m);
+ col += m;
+ i += m;
+ n -= m;
+ }
+ }
+ /* Update saved column address */
+ host->col_addr = col;
+
+}
+
+/* Used by the upper layer to verify the data in NAND Flash
+ * with the data in the buf. */
+static int mxc_nand_verify_buf(struct mtd_info *mtd,
+ const u_char *buf, int len)
+{
+ return -EFAULT;
+}
+
+/* This function is used by upper layer for select and
+ * deselect of the NAND chip */
+static void mxc_nand_select_chip(struct mtd_info *mtd, int chip)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+ struct mxc_nand_host *host = nand_chip->priv;
+
+#ifdef CONFIG_MTD_NAND_MXC_FORCE_CE
+ if (chip > 0) {
+ DEBUG(MTD_DEBUG_LEVEL0,
+ "ERROR: Illegal chip select (chip = %d)\n", chip);
+ return;
+ }
+
+ if (chip == -1) {
+ writew(readw(host->regs + NFC_CONFIG1) & ~NFC_CE,
+ host->regs + NFC_CONFIG1);
+ return;
+ }
+
+ writew(readw(host->regs + NFC_CONFIG1) | NFC_CE,
+ host->regs + NFC_CONFIG1);
+#endif
+
+ switch (chip) {
+ case -1:
+ /* Disable the NFC clock */
+ if (host->clk_act) {
+ clk_disable(host->clk);
+ host->clk_act = 0;
+ }
+ break;
+ case 0:
+ /* Enable the NFC clock */
+ if (!host->clk_act) {
+ clk_enable(host->clk);
+ host->clk_act = 1;
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+/* Used by the upper layer to write command to NAND Flash for
+ * different operations to be carried out on NAND Flash */
+static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
+ int column, int page_addr)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+ struct mxc_nand_host *host = nand_chip->priv;
+ int useirq = true;
+
+ DEBUG(MTD_DEBUG_LEVEL3,
+ "mxc_nand_command (cmd = 0x%x, col = 0x%x, page = 0x%x)\n",
+ command, column, page_addr);
+
+ /* Reset command state information */
+ host->status_request = false;
+
+ /* Command pre-processing step */
+ switch (command) {
+
+ case NAND_CMD_STATUS:
+ host->col_addr = 0;
+ host->status_request = true;
+ break;
+
+ case NAND_CMD_READ0:
+ host->col_addr = column;
+ host->spare_only = false;
+ useirq = false;
+ break;
+
+ case NAND_CMD_READOOB:
+ host->col_addr = column;
+ host->spare_only = true;
+ useirq = false;
+ if (host->pagesize_2k)
+ command = NAND_CMD_READ0; /* only READ0 is valid */
+ break;
+
+ case NAND_CMD_SEQIN:
+ if (column >= mtd->writesize) {
+ /*
+ * FIXME: before send SEQIN command for write OOB,
+ * We must read one page out.
+ * For K9F1GXX has no READ1 command to set current HW
+ * pointer to spare area, we must write the whole page
+ * including OOB together.
+ */
+ if (host->pagesize_2k)
+ /* call ourself to read a page */
+ mxc_nand_command(mtd, NAND_CMD_READ0, 0,
+ page_addr);
+
+ host->col_addr = column - mtd->writesize;
+ host->spare_only = true;
+
+ /* Set program pointer to spare region */
+ if (!host->pagesize_2k)
+ send_cmd(host, NAND_CMD_READOOB, false);
+ } else {
+ host->spare_only = false;
+ host->col_addr = column;
+
+ /* Set program pointer to page start */
+ if (!host->pagesize_2k)
+ send_cmd(host, NAND_CMD_READ0, false);
+ }
+ useirq = false;
+ break;
+
+ case NAND_CMD_PAGEPROG:
+ send_prog_page(host, 0, host->spare_only);
+
+ if (host->pagesize_2k) {
+ /* data in 4 areas datas */
+ send_prog_page(host, 1, host->spare_only);
+ send_prog_page(host, 2, host->spare_only);
+ send_prog_page(host, 3, host->spare_only);
+ }
+
+ break;
+
+ case NAND_CMD_ERASE1:
+ useirq = false;
+ break;
+ }
+
+ /* Write out the command to the device. */
+ send_cmd(host, command, useirq);
+
+ /* Write out column address, if necessary */
+ if (column != -1) {
+ /*
+ * MXC NANDFC can only perform full page+spare or
+ * spare-only read/write. When the upper layers
+ * layers perform a read/write buf operation,
+ * we will used the saved column adress to index into
+ * the full page.
+ */
+ send_addr(host, 0, page_addr == -1);
+ if (host->pagesize_2k)
+ /* another col addr cycle for 2k page */
+ send_addr(host, 0, false);
+ }
+
+ /* Write out page address, if necessary */
+ if (page_addr != -1) {
+ /* paddr_0 - p_addr_7 */
+ send_addr(host, (page_addr & 0xff), false);
+
+ if (host->pagesize_2k) {
+ send_addr(host, (page_addr >> 8) & 0xFF, false);
+ if (mtd->size >= 0x40000000)
+ send_addr(host, (page_addr >> 16) & 0xff, true);
+ } else {
+ /* One more address cycle for higher density devices */
+ if (mtd->size >= 0x4000000) {
+ /* paddr_8 - paddr_15 */
+ send_addr(host, (page_addr >> 8) & 0xff, false);
+ send_addr(host, (page_addr >> 16) & 0xff, true);
+ } else
+ /* paddr_8 - paddr_15 */
+ send_addr(host, (page_addr >> 8) & 0xff, true);
+ }
+ }
+
+ /* Command post-processing step */
+ switch (command) {
+
+ case NAND_CMD_RESET:
+ break;
+
+ case NAND_CMD_READOOB:
+ case NAND_CMD_READ0:
+ if (host->pagesize_2k) {
+ /* send read confirm command */
+ send_cmd(host, NAND_CMD_READSTART, true);
+ /* read for each AREA */
+ send_read_page(host, 0, host->spare_only);
+ send_read_page(host, 1, host->spare_only);
+ send_read_page(host, 2, host->spare_only);
+ send_read_page(host, 3, host->spare_only);
+ } else
+ send_read_page(host, 0, host->spare_only);
+ break;
+
+ case NAND_CMD_READID:
+ send_read_id(host);
+ break;
+
+ case NAND_CMD_PAGEPROG:
+ break;
+
+ case NAND_CMD_STATUS:
+ break;
+
+ case NAND_CMD_ERASE2:
+ break;
+ }
+}
+
+static int __init mxcnd_probe(struct platform_device *pdev)
+{
+ struct nand_chip *this;
+ struct mtd_info *mtd;
+ struct mxc_nand_platform_data *pdata = pdev->dev.platform_data;
+ struct mxc_nand_host *host;
+ struct resource *res;
+ uint16_t tmp;
+ int err = 0, nr_parts = 0;
+
+ /* Allocate memory for MTD device structure and private data */
+ host = kzalloc(sizeof(struct mxc_nand_host), GFP_KERNEL);
+ if (!host)
+ return -ENOMEM;
+
+ host->dev = &pdev->dev;
+ /* structures must be linked */
+ this = &host->nand;
+ mtd = &host->mtd;
+ mtd->priv = this;
+ mtd->owner = THIS_MODULE;
+
+ /* 50 us command delay time */
+ this->chip_delay = 5;
+
+ this->priv = host;
+ this->dev_ready = mxc_nand_dev_ready;
+ this->cmdfunc = mxc_nand_command;
+ this->select_chip = mxc_nand_select_chip;
+ this->read_byte = mxc_nand_read_byte;
+ this->read_word = mxc_nand_read_word;
+ this->write_buf = mxc_nand_write_buf;
+ this->read_buf = mxc_nand_read_buf;
+ this->verify_buf = mxc_nand_verify_buf;
+
+ host->clk = clk_get(&pdev->dev, "nfc_clk");
+ if (IS_ERR(host->clk))
+ goto eclk;
+
+ clk_enable(host->clk);
+ host->clk_act = 1;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ err = -ENODEV;
+ goto eres;
+ }
+
+ host->regs = ioremap(res->start, res->end - res->start + 1);
+ if (!host->regs) {
+ err = -EIO;
+ goto eres;
+ }
+
+ tmp = readw(host->regs + NFC_CONFIG1);
+ tmp |= NFC_INT_MSK;
+ writew(tmp, host->regs + NFC_CONFIG1);
+
+ init_waitqueue_head(&host->irq_waitq);
+
+ host->irq = platform_get_irq(pdev, 0);
+
+ err = request_irq(host->irq, mxc_nfc_irq, 0, "mxc_nd", host);
+ if (err)
+ goto eirq;
+
+ if (pdata->hw_ecc) {
+ this->ecc.calculate = mxc_nand_calculate_ecc;
+ this->ecc.hwctl = mxc_nand_enable_hwecc;
+ this->ecc.correct = mxc_nand_correct_data;
+ this->ecc.mode = NAND_ECC_HW;
+ this->ecc.size = 512;
+ this->ecc.bytes = 3;
+ this->ecc.layout = &nand_hw_eccoob_8;
+ tmp = readw(host->regs + NFC_CONFIG1);
+ tmp |= NFC_ECC_EN;
+ writew(tmp, host->regs + NFC_CONFIG1);
+ } else {
+ this->ecc.size = 512;
+ this->ecc.bytes = 3;
+ this->ecc.layout = &nand_hw_eccoob_8;
+ this->ecc.mode = NAND_ECC_SOFT;
+ tmp = readw(host->regs + NFC_CONFIG1);
+ tmp &= ~NFC_ECC_EN;
+ writew(tmp, host->regs + NFC_CONFIG1);
+ }
+
+ /* Reset NAND */
+ this->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
+
+ /* preset operation */
+ /* Unlock the internal RAM Buffer */
+ writew(0x2, host->regs + NFC_CONFIG);
+
+ /* Blocks to be unlocked */
+ writew(0x0, host->regs + NFC_UNLOCKSTART_BLKADDR);
+ writew(0x4000, host->regs + NFC_UNLOCKEND_BLKADDR);
+
+ /* Unlock Block Command for given address range */
+ writew(0x4, host->regs + NFC_WRPROT);
+
+ /* NAND bus width determines access funtions used by upper layer */
+ if (pdata->width == 2) {
+ this->options |= NAND_BUSWIDTH_16;
+ this->ecc.layout = &nand_hw_eccoob_16;
+ }
+
+ host->pagesize_2k = 0;
+
+ /* Scan to find existence of the device */
+ if (nand_scan(mtd, 1)) {
+ DEBUG(MTD_DEBUG_LEVEL0,
+ "MXC_ND: Unable to find any NAND device.\n");
+ err = -ENXIO;
+ goto escan;
+ }
+
+ /* Register the partitions */
+#ifdef CONFIG_MTD_PARTITIONS
+ nr_parts =
+ parse_mtd_partitions(mtd, part_probes, &host->parts, 0);
+ if (nr_parts > 0)
+ add_mtd_partitions(mtd, host->parts, nr_parts);
+ else
+#endif
+ {
+ pr_info("Registering %s as whole device\n", mtd->name);
+ add_mtd_device(mtd);
+ }
+
+ platform_set_drvdata(pdev, host);
+
+ return 0;
+
+escan:
+ free_irq(host->irq, NULL);
+eirq:
+ iounmap(host->regs);
+eres:
+ clk_put(host->clk);
+eclk:
+ kfree(host);
+
+ return err;
+}
+
+static int __devexit mxcnd_remove(struct platform_device *pdev)
+{
+ struct mxc_nand_host *host = platform_get_drvdata(pdev);
+
+ clk_put(host->clk);
+
+ platform_set_drvdata(pdev, NULL);
+
+ nand_release(&host->mtd);
+ free_irq(host->irq, NULL);
+ iounmap(host->regs);
+ kfree(host);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct mtd_info *info = platform_get_drvdata(pdev);
+ int ret = 0;
+
+ DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n");
+ if (info)
+ ret = info->suspend(info);
+
+ /* Disable the NFC clock */
+ clk_disable(nfc_clk); /* FIXME */
+
+ return ret;
+}
+
+static int mxcnd_resume(struct platform_device *pdev)
+{
+ struct mtd_info *info = platform_get_drvdata(pdev);
+ int ret = 0;
+
+ DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n");
+ /* Enable the NFC clock */
+ clk_enable(nfc_clk); /* FIXME */
+
+ if (info)
+ info->resume(info);
+
+ return ret;
+}
+
+#else
+# define mxcnd_suspend NULL
+# define mxcnd_resume NULL
+#endif /* CONFIG_PM */
+
+static struct platform_driver mxcnd_driver = {
+ .driver = {
+ .name = DRIVER_NAME,
+ },
+ .remove = __exit_p(mxcnd_remove),
+ .suspend = mxcnd_suspend,
+ .resume = mxcnd_resume,
+};
+
+static int __init mxc_nd_init(void)
+{
+ /* Register the device driver structure. */
+ pr_info("MXC MTD nand Driver\n");
+ if (platform_driver_probe(&mxcnd_driver, mxcnd_probe) != 0) {
+ printk(KERN_ERR "Driver register failed for mxcnd_driver\n");
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static void __exit mxc_nd_cleanup(void)
+{
+ /* Unregister the device structure */
+ platform_driver_unregister(&mxcnd_driver);
+}
+
+module_init(mxc_nd_init);
+module_exit(mxc_nd_cleanup);
+
+MODULE_AUTHOR("Freescale Semiconductor, Inc.");
+MODULE_DESCRIPTION("MXC NAND MTD driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index d1129bae6c2..0a9c9cd33f9 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -801,9 +801,9 @@ static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
* nand_read_subpage - [REPLACABLE] software ecc based sub-page read function
* @mtd: mtd info structure
* @chip: nand chip info structure
- * @dataofs offset of requested data within the page
- * @readlen data length
- * @buf: buffer to store read data
+ * @data_offs: offset of requested data within the page
+ * @readlen: data length
+ * @bufpoi: buffer to store read data
*/
static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip, uint32_t data_offs, uint32_t readlen, uint8_t *bufpoi)
{
@@ -2042,7 +2042,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
return -EINVAL;
}
- instr->fail_addr = 0xffffffff;
+ instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN;
/* Grab the lock and see if the device is available */
nand_get_device(chip, mtd, FL_ERASING);
@@ -2318,6 +2318,12 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
/* Select the device */
chip->select_chip(mtd, 0);
+ /*
+ * Reset the chip, required by some chips (e.g. Micron MT29FxGxxxxx)
+ * after power-up
+ */
+ chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
+
/* Send the command for reading device ID */
chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1);
@@ -2488,6 +2494,8 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips)
/* Check for a chip array */
for (i = 1; i < maxchips; i++) {
chip->select_chip(mtd, i);
+ /* See comment in nand_get_flash_type for reset */
+ chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
/* Send the command for reading device ID */
chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1);
/* Read manufacturer and device IDs */
diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
index 918a806a847..868147acce2 100644
--- a/drivers/mtd/nand/nand_ecc.c
+++ b/drivers/mtd/nand/nand_ecc.c
@@ -1,13 +1,18 @@
/*
- * This file contains an ECC algorithm from Toshiba that detects and
- * corrects 1 bit errors in a 256 byte block of data.
+ * This file contains an ECC algorithm that detects and corrects 1 bit
+ * errors in a 256 byte block of data.
*
* drivers/mtd/nand/nand_ecc.c
*
- * Copyright (C) 2000-2004 Steven J. Hill (sjhill@realitydiluted.com)
- * Toshiba America Electronics Components, Inc.
+ * Copyright © 2008 Koninklijke Philips Electronics NV.
+ * Author: Frans Meulenbroeks
*
- * Copyright (C) 2006 Thomas Gleixner <tglx@linutronix.de>
+ * Completely replaces the previous ECC implementation which was written by:
+ * Steven J. Hill (sjhill@realitydiluted.com)
+ * Thomas Gleixner (tglx@linutronix.de)
+ *
+ * Information on how this algorithm works and how it was developed
+ * can be found in Documentation/mtd/nand_ecc.txt
*
* This file is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -23,174 +28,475 @@
* with this file; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
- * As a special exception, if other files instantiate templates or use
- * macros or inline functions from these files, or you compile these
- * files and link them with other works to produce a work based on these
- * files, these files do not by themselves cause the resulting work to be
- * covered by the GNU General Public License. However the source code for
- * these files must still be made available in accordance with section (3)
- * of the GNU General Public License.
- *
- * This exception does not invalidate any other reasons why a work based on
- * this file might be covered by the GNU General Public License.
*/
+/*
+ * The STANDALONE macro is useful when running the code outside the kernel
+ * e.g. when running the code in a testbed or a benchmark program.
+ * When STANDALONE is used, the module related macros are commented out
+ * as well as the linux include files.
+ * Instead a private definition of mtd_info is given to satisfy the compiler
+ * (the code does not use mtd_info, so the code does not care)
+ */
+#ifndef STANDALONE
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
+#include <asm/byteorder.h>
+#else
+#include <stdint.h>
+struct mtd_info;
+#define EXPORT_SYMBOL(x) /* x */
+
+#define MODULE_LICENSE(x) /* x */
+#define MODULE_AUTHOR(x) /* x */
+#define MODULE_DESCRIPTION(x) /* x */
+
+#define printk printf
+#define KERN_ERR ""
+#endif
+
+/*
+ * invparity is a 256 byte table that contains the odd parity
+ * for each byte. So if the number of bits in a byte is even,
+ * the array element is 1, and when the number of bits is odd
+ * the array eleemnt is 0.
+ */
+static const char invparity[256] = {
+ 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+ 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+ 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+ 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+ 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+ 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+ 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+ 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+ 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+ 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+ 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+ 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+ 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+ 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+ 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+ 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1
+};
+
+/*
+ * bitsperbyte contains the number of bits per byte
+ * this is only used for testing and repairing parity
+ * (a precalculated value slightly improves performance)
+ */
+static const char bitsperbyte[256] = {
+ 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4,
+ 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
+ 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
+ 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+ 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
+ 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+ 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+ 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
+ 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
+ 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+ 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+ 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
+ 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+ 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
+ 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
+ 4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8,
+};
/*
- * Pre-calculated 256-way 1 byte column parity
+ * addressbits is a lookup table to filter out the bits from the xor-ed
+ * ecc data that identify the faulty location.
+ * this is only used for repairing parity
+ * see the comments in nand_correct_data for more details
*/
-static const u_char nand_ecc_precalc_table[] = {
- 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00,
- 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65,
- 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66,
- 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03,
- 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69,
- 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c,
- 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f,
- 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a,
- 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a,
- 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f,
- 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c,
- 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69,
- 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03,
- 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66,
- 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65,
- 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00
+static const char addressbits[256] = {
+ 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01,
+ 0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03,
+ 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01,
+ 0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03,
+ 0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05,
+ 0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07,
+ 0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05,
+ 0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07,
+ 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01,
+ 0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03,
+ 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01,
+ 0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03,
+ 0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05,
+ 0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07,
+ 0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05,
+ 0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07,
+ 0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09,
+ 0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b,
+ 0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09,
+ 0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b,
+ 0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d,
+ 0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f,
+ 0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d,
+ 0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f,
+ 0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09,
+ 0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b,
+ 0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09,
+ 0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b,
+ 0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d,
+ 0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f,
+ 0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d,
+ 0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f
};
/**
- * nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256-byte block
+ * nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256/512-byte
+ * block
* @mtd: MTD block structure
- * @dat: raw data
- * @ecc_code: buffer for ECC
+ * @buf: input buffer with raw data
+ * @code: output buffer with ECC
*/
-int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
- u_char *ecc_code)
+int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
+ unsigned char *code)
{
- uint8_t idx, reg1, reg2, reg3, tmp1, tmp2;
int i;
+ const uint32_t *bp = (uint32_t *)buf;
+ /* 256 or 512 bytes/ecc */
+ const uint32_t eccsize_mult =
+ (((struct nand_chip *)mtd->priv)->ecc.size) >> 8;
+ uint32_t cur; /* current value in buffer */
+ /* rp0..rp15..rp17 are the various accumulated parities (per byte) */
+ uint32_t rp0, rp1, rp2, rp3, rp4, rp5, rp6, rp7;
+ uint32_t rp8, rp9, rp10, rp11, rp12, rp13, rp14, rp15, rp16;
+ uint32_t uninitialized_var(rp17); /* to make compiler happy */
+ uint32_t par; /* the cumulative parity for all data */
+ uint32_t tmppar; /* the cumulative parity for this iteration;
+ for rp12, rp14 and rp16 at the end of the
+ loop */
+
+ par = 0;
+ rp4 = 0;
+ rp6 = 0;
+ rp8 = 0;
+ rp10 = 0;
+ rp12 = 0;
+ rp14 = 0;
+ rp16 = 0;
+
+ /*
+ * The loop is unrolled a number of times;
+ * This avoids if statements to decide on which rp value to update
+ * Also we process the data by longwords.
+ * Note: passing unaligned data might give a performance penalty.
+ * It is assumed that the buffers are aligned.
+ * tmppar is the cumulative sum of this iteration.
+ * needed for calculating rp12, rp14, rp16 and par
+ * also used as a performance improvement for rp6, rp8 and rp10
+ */
+ for (i = 0; i < eccsize_mult << 2; i++) {
+ cur = *bp++;
+ tmppar = cur;
+ rp4 ^= cur;
+ cur = *bp++;
+ tmppar ^= cur;
+ rp6 ^= tmppar;
+ cur = *bp++;
+ tmppar ^= cur;
+ rp4 ^= cur;
+ cur = *bp++;
+ tmppar ^= cur;
+ rp8 ^= tmppar;
- /* Initialize variables */
- reg1 = reg2 = reg3 = 0;
+ cur = *bp++;
+ tmppar ^= cur;
+ rp4 ^= cur;
+ rp6 ^= cur;
+ cur = *bp++;
+ tmppar ^= cur;
+ rp6 ^= cur;
+ cur = *bp++;
+ tmppar ^= cur;
+ rp4 ^= cur;
+ cur = *bp++;
+ tmppar ^= cur;
+ rp10 ^= tmppar;
- /* Build up column parity */
- for(i = 0; i < 256; i++) {
- /* Get CP0 - CP5 from table */
- idx = nand_ecc_precalc_table[*dat++];
- reg1 ^= (idx & 0x3f);
+ cur = *bp++;
+ tmppar ^= cur;
+ rp4 ^= cur;
+ rp6 ^= cur;
+ rp8 ^= cur;
+ cur = *bp++;
+ tmppar ^= cur;
+ rp6 ^= cur;
+ rp8 ^= cur;
+ cur = *bp++;
+ tmppar ^= cur;
+ rp4 ^= cur;
+ rp8 ^= cur;
+ cur = *bp++;
+ tmppar ^= cur;
+ rp8 ^= cur;
- /* All bit XOR = 1 ? */
- if (idx & 0x40) {
- reg3 ^= (uint8_t) i;
- reg2 ^= ~((uint8_t) i);
- }
+ cur = *bp++;
+ tmppar ^= cur;
+ rp4 ^= cur;
+ rp6 ^= cur;
+ cur = *bp++;
+ tmppar ^= cur;
+ rp6 ^= cur;
+ cur = *bp++;
+ tmppar ^= cur;
+ rp4 ^= cur;
+ cur = *bp++;
+ tmppar ^= cur;
+
+ par ^= tmppar;
+ if ((i & 0x1) == 0)
+ rp12 ^= tmppar;
+ if ((i & 0x2) == 0)
+ rp14 ^= tmppar;
+ if (eccsize_mult == 2 && (i & 0x4) == 0)
+ rp16 ^= tmppar;
}
- /* Create non-inverted ECC code from line parity */
- tmp1 = (reg3 & 0x80) >> 0; /* B7 -> B7 */
- tmp1 |= (reg2 & 0x80) >> 1; /* B7 -> B6 */
- tmp1 |= (reg3 & 0x40) >> 1; /* B6 -> B5 */
- tmp1 |= (reg2 & 0x40) >> 2; /* B6 -> B4 */
- tmp1 |= (reg3 & 0x20) >> 2; /* B5 -> B3 */
- tmp1 |= (reg2 & 0x20) >> 3; /* B5 -> B2 */
- tmp1 |= (reg3 & 0x10) >> 3; /* B4 -> B1 */
- tmp1 |= (reg2 & 0x10) >> 4; /* B4 -> B0 */
-
- tmp2 = (reg3 & 0x08) << 4; /* B3 -> B7 */
- tmp2 |= (reg2 & 0x08) << 3; /* B3 -> B6 */
- tmp2 |= (reg3 & 0x04) << 3; /* B2 -> B5 */
- tmp2 |= (reg2 & 0x04) << 2; /* B2 -> B4 */
- tmp2 |= (reg3 & 0x02) << 2; /* B1 -> B3 */
- tmp2 |= (reg2 & 0x02) << 1; /* B1 -> B2 */
- tmp2 |= (reg3 & 0x01) << 1; /* B0 -> B1 */
- tmp2 |= (reg2 & 0x01) << 0; /* B7 -> B0 */
-
- /* Calculate final ECC code */
-#ifdef CONFIG_MTD_NAND_ECC_SMC
- ecc_code[0] = ~tmp2;
- ecc_code[1] = ~tmp1;
+ /*
+ * handle the fact that we use longword operations
+ * we'll bring rp4..rp14..rp16 back to single byte entities by
+ * shifting and xoring first fold the upper and lower 16 bits,
+ * then the upper and lower 8 bits.
+ */
+ rp4 ^= (rp4 >> 16);
+ rp4 ^= (rp4 >> 8);
+ rp4 &= 0xff;
+ rp6 ^= (rp6 >> 16);
+ rp6 ^= (rp6 >> 8);
+ rp6 &= 0xff;
+ rp8 ^= (rp8 >> 16);
+ rp8 ^= (rp8 >> 8);
+ rp8 &= 0xff;
+ rp10 ^= (rp10 >> 16);
+ rp10 ^= (rp10 >> 8);
+ rp10 &= 0xff;
+ rp12 ^= (rp12 >> 16);
+ rp12 ^= (rp12 >> 8);
+ rp12 &= 0xff;
+ rp14 ^= (rp14 >> 16);
+ rp14 ^= (rp14 >> 8);
+ rp14 &= 0xff;
+ if (eccsize_mult == 2) {
+ rp16 ^= (rp16 >> 16);
+ rp16 ^= (rp16 >> 8);
+ rp16 &= 0xff;
+ }
+
+ /*
+ * we also need to calculate the row parity for rp0..rp3
+ * This is present in par, because par is now
+ * rp3 rp3 rp2 rp2 in little endian and
+ * rp2 rp2 rp3 rp3 in big endian
+ * as well as
+ * rp1 rp0 rp1 rp0 in little endian and
+ * rp0 rp1 rp0 rp1 in big endian
+ * First calculate rp2 and rp3
+ */
+#ifdef __BIG_ENDIAN
+ rp2 = (par >> 16);
+ rp2 ^= (rp2 >> 8);
+ rp2 &= 0xff;
+ rp3 = par & 0xffff;
+ rp3 ^= (rp3 >> 8);
+ rp3 &= 0xff;
#else
- ecc_code[0] = ~tmp1;
- ecc_code[1] = ~tmp2;
+ rp3 = (par >> 16);
+ rp3 ^= (rp3 >> 8);
+ rp3 &= 0xff;
+ rp2 = par & 0xffff;
+ rp2 ^= (rp2 >> 8);
+ rp2 &= 0xff;
#endif
- ecc_code[2] = ((~reg1) << 2) | 0x03;
- return 0;
-}
-EXPORT_SYMBOL(nand_calculate_ecc);
+ /* reduce par to 16 bits then calculate rp1 and rp0 */
+ par ^= (par >> 16);
+#ifdef __BIG_ENDIAN
+ rp0 = (par >> 8) & 0xff;
+ rp1 = (par & 0xff);
+#else
+ rp1 = (par >> 8) & 0xff;
+ rp0 = (par & 0xff);
+#endif
-static inline int countbits(uint32_t byte)
-{
- int res = 0;
+ /* finally reduce par to 8 bits */
+ par ^= (par >> 8);
+ par &= 0xff;
- for (;byte; byte >>= 1)
- res += byte & 0x01;
- return res;
+ /*
+ * and calculate rp5..rp15..rp17
+ * note that par = rp4 ^ rp5 and due to the commutative property
+ * of the ^ operator we can say:
+ * rp5 = (par ^ rp4);
+ * The & 0xff seems superfluous, but benchmarking learned that
+ * leaving it out gives slightly worse results. No idea why, probably
+ * it has to do with the way the pipeline in pentium is organized.
+ */
+ rp5 = (par ^ rp4) & 0xff;
+ rp7 = (par ^ rp6) & 0xff;
+ rp9 = (par ^ rp8) & 0xff;
+ rp11 = (par ^ rp10) & 0xff;
+ rp13 = (par ^ rp12) & 0xff;
+ rp15 = (par ^ rp14) & 0xff;
+ if (eccsize_mult == 2)
+ rp17 = (par ^ rp16) & 0xff;
+
+ /*
+ * Finally calculate the ecc bits.
+ * Again here it might seem that there are performance optimisations
+ * possible, but benchmarks showed that on the system this is developed
+ * the code below is the fastest
+ */
+#ifdef CONFIG_MTD_NAND_ECC_SMC
+ code[0] =
+ (invparity[rp7] << 7) |
+ (invparity[rp6] << 6) |
+ (invparity[rp5] << 5) |
+ (invparity[rp4] << 4) |
+ (invparity[rp3] << 3) |
+ (invparity[rp2] << 2) |
+ (invparity[rp1] << 1) |
+ (invparity[rp0]);
+ code[1] =
+ (invparity[rp15] << 7) |
+ (invparity[rp14] << 6) |
+ (invparity[rp13] << 5) |
+ (invparity[rp12] << 4) |
+ (invparity[rp11] << 3) |
+ (invparity[rp10] << 2) |
+ (invparity[rp9] << 1) |
+ (invparity[rp8]);
+#else
+ code[1] =
+ (invparity[rp7] << 7) |
+ (invparity[rp6] << 6) |
+ (invparity[rp5] << 5) |
+ (invparity[rp4] << 4) |
+ (invparity[rp3] << 3) |
+ (invparity[rp2] << 2) |
+ (invparity[rp1] << 1) |
+ (invparity[rp0]);
+ code[0] =
+ (invparity[rp15] << 7) |
+ (invparity[rp14] << 6) |
+ (invparity[rp13] << 5) |
+ (invparity[rp12] << 4) |
+ (invparity[rp11] << 3) |
+ (invparity[rp10] << 2) |
+ (invparity[rp9] << 1) |
+ (invparity[rp8]);
+#endif
+ if (eccsize_mult == 1)
+ code[2] =
+ (invparity[par & 0xf0] << 7) |
+ (invparity[par & 0x0f] << 6) |
+ (invparity[par & 0xcc] << 5) |
+ (invparity[par & 0x33] << 4) |
+ (invparity[par & 0xaa] << 3) |
+ (invparity[par & 0x55] << 2) |
+ 3;
+ else
+ code[2] =
+ (invparity[par & 0xf0] << 7) |
+ (invparity[par & 0x0f] << 6) |
+ (invparity[par & 0xcc] << 5) |
+ (invparity[par & 0x33] << 4) |
+ (invparity[par & 0xaa] << 3) |
+ (invparity[par & 0x55] << 2) |
+ (invparity[rp17] << 1) |
+ (invparity[rp16] << 0);
+ return 0;
}
+EXPORT_SYMBOL(nand_calculate_ecc);
/**
* nand_correct_data - [NAND Interface] Detect and correct bit error(s)
* @mtd: MTD block structure
- * @dat: raw data read from the chip
+ * @buf: raw data read from the chip
* @read_ecc: ECC from the chip
* @calc_ecc: the ECC calculated from raw data
*
- * Detect and correct a 1 bit error for 256 byte block
+ * Detect and correct a 1 bit error for 256/512 byte block
*/
-int nand_correct_data(struct mtd_info *mtd, u_char *dat,
- u_char *read_ecc, u_char *calc_ecc)
+int nand_correct_data(struct mtd_info *mtd, unsigned char *buf,
+ unsigned char *read_ecc, unsigned char *calc_ecc)
{
- uint8_t s0, s1, s2;
+ unsigned char b0, b1, b2;
+ unsigned char byte_addr, bit_addr;
+ /* 256 or 512 bytes/ecc */
+ const uint32_t eccsize_mult =
+ (((struct nand_chip *)mtd->priv)->ecc.size) >> 8;
+ /*
+ * b0 to b2 indicate which bit is faulty (if any)
+ * we might need the xor result more than once,
+ * so keep them in a local var
+ */
#ifdef CONFIG_MTD_NAND_ECC_SMC
- s0 = calc_ecc[0] ^ read_ecc[0];
- s1 = calc_ecc[1] ^ read_ecc[1];
- s2 = calc_ecc[2] ^ read_ecc[2];
+ b0 = read_ecc[0] ^ calc_ecc[0];
+ b1 = read_ecc[1] ^ calc_ecc[1];
#else
- s1 = calc_ecc[0] ^ read_ecc[0];
- s0 = calc_ecc[1] ^ read_ecc[1];
- s2 = calc_ecc[2] ^ read_ecc[2];
+ b0 = read_ecc[1] ^ calc_ecc[1];
+ b1 = read_ecc[0] ^ calc_ecc[0];
#endif
- if ((s0 | s1 | s2) == 0)
- return 0;
-
- /* Check for a single bit error */
- if( ((s0 ^ (s0 >> 1)) & 0x55) == 0x55 &&
- ((s1 ^ (s1 >> 1)) & 0x55) == 0x55 &&
- ((s2 ^ (s2 >> 1)) & 0x54) == 0x54) {
+ b2 = read_ecc[2] ^ calc_ecc[2];
- uint32_t byteoffs, bitnum;
+ /* check if there are any bitfaults */
- byteoffs = (s1 << 0) & 0x80;
- byteoffs |= (s1 << 1) & 0x40;
- byteoffs |= (s1 << 2) & 0x20;
- byteoffs |= (s1 << 3) & 0x10;
+ /* repeated if statements are slightly more efficient than switch ... */
+ /* ordered in order of likelihood */
- byteoffs |= (s0 >> 4) & 0x08;
- byteoffs |= (s0 >> 3) & 0x04;
- byteoffs |= (s0 >> 2) & 0x02;
- byteoffs |= (s0 >> 1) & 0x01;
-
- bitnum = (s2 >> 5) & 0x04;
- bitnum |= (s2 >> 4) & 0x02;
- bitnum |= (s2 >> 3) & 0x01;
-
- dat[byteoffs] ^= (1 << bitnum);
+ if ((b0 | b1 | b2) == 0)
+ return 0; /* no error */
+ if ((((b0 ^ (b0 >> 1)) & 0x55) == 0x55) &&
+ (((b1 ^ (b1 >> 1)) & 0x55) == 0x55) &&
+ ((eccsize_mult == 1 && ((b2 ^ (b2 >> 1)) & 0x54) == 0x54) ||
+ (eccsize_mult == 2 && ((b2 ^ (b2 >> 1)) & 0x55) == 0x55))) {
+ /* single bit error */
+ /*
+ * rp17/rp15/13/11/9/7/5/3/1 indicate which byte is the faulty
+ * byte, cp 5/3/1 indicate the faulty bit.
+ * A lookup table (called addressbits) is used to filter
+ * the bits from the byte they are in.
+ * A marginal optimisation is possible by having three
+ * different lookup tables.
+ * One as we have now (for b0), one for b2
+ * (that would avoid the >> 1), and one for b1 (with all values
+ * << 4). However it was felt that introducing two more tables
+ * hardly justify the gain.
+ *
+ * The b2 shift is there to get rid of the lowest two bits.
+ * We could also do addressbits[b2] >> 1 but for the
+ * performace it does not make any difference
+ */
+ if (eccsize_mult == 1)
+ byte_addr = (addressbits[b1] << 4) + addressbits[b0];
+ else
+ byte_addr = (addressbits[b2 & 0x3] << 8) +
+ (addressbits[b1] << 4) + addressbits[b0];
+ bit_addr = addressbits[b2 >> 2];
+ /* flip the bit */
+ buf[byte_addr] ^= (1 << bit_addr);
return 1;
- }
- if(countbits(s0 | ((uint32_t)s1 << 8) | ((uint32_t)s2 <<16)) == 1)
- return 1;
+ }
+ /* count nr of bits; use table lookup, faster than calculating it */
+ if ((bitsperbyte[b0] + bitsperbyte[b1] + bitsperbyte[b2]) == 1)
+ return 1; /* error in ecc data; no action needed */
- return -EBADMSG;
+ printk(KERN_ERR "uncorrectable error : ");
+ return -1;
}
EXPORT_SYMBOL(nand_correct_data);
MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Steven J. Hill <sjhill@realitydiluted.com>");
+MODULE_AUTHOR("Frans Meulenbroeks <fransmeulenbroeks@gmail.com>");
MODULE_DESCRIPTION("Generic NAND ECC support");
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 556e8131ecd..ae7c57781a6 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -38,7 +38,6 @@
#include <linux/delay.h>
#include <linux/list.h>
#include <linux/random.h>
-#include <asm/div64.h>
/* Default simulator parameters values */
#if !defined(CONFIG_NANDSIM_FIRST_ID_BYTE) || \
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index a64ad15b8fd..c0fa9c9edf0 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -115,55 +115,11 @@ enum {
STATE_PIO_WRITING,
};
-struct pxa3xx_nand_timing {
- unsigned int tCH; /* Enable signal hold time */
- unsigned int tCS; /* Enable signal setup time */
- unsigned int tWH; /* ND_nWE high duration */
- unsigned int tWP; /* ND_nWE pulse time */
- unsigned int tRH; /* ND_nRE high duration */
- unsigned int tRP; /* ND_nRE pulse width */
- unsigned int tR; /* ND_nWE high to ND_nRE low for read */
- unsigned int tWHR; /* ND_nWE high to ND_nRE low for status read */
- unsigned int tAR; /* ND_ALE low to ND_nRE low delay */
-};
-
-struct pxa3xx_nand_cmdset {
- uint16_t read1;
- uint16_t read2;
- uint16_t program;
- uint16_t read_status;
- uint16_t read_id;
- uint16_t erase;
- uint16_t reset;
- uint16_t lock;
- uint16_t unlock;
- uint16_t lock_status;
-};
-
-struct pxa3xx_nand_flash {
- struct pxa3xx_nand_timing *timing; /* NAND Flash timing */
- struct pxa3xx_nand_cmdset *cmdset;
-
- uint32_t page_per_block;/* Pages per block (PG_PER_BLK) */
- uint32_t page_size; /* Page size in bytes (PAGE_SZ) */
- uint32_t flash_width; /* Width of Flash memory (DWIDTH_M) */
- uint32_t dfc_width; /* Width of flash controller(DWIDTH_C) */
- uint32_t num_blocks; /* Number of physical blocks in Flash */
- uint32_t chip_id;
-
- /* NOTE: these are automatically calculated, do not define */
- size_t oob_size;
- size_t read_id_bytes;
-
- unsigned int col_addr_cycles;
- unsigned int row_addr_cycles;
-};
-
struct pxa3xx_nand_info {
struct nand_chip nand_chip;
struct platform_device *pdev;
- struct pxa3xx_nand_flash *flash_info;
+ const struct pxa3xx_nand_flash *flash_info;
struct clk *clk;
void __iomem *mmio_base;
@@ -202,12 +158,20 @@ struct pxa3xx_nand_info {
uint32_t ndcb0;
uint32_t ndcb1;
uint32_t ndcb2;
+
+ /* calculated from pxa3xx_nand_flash data */
+ size_t oob_size;
+ size_t read_id_bytes;
+
+ unsigned int col_addr_cycles;
+ unsigned int row_addr_cycles;
};
static int use_dma = 1;
module_param(use_dma, bool, 0444);
MODULE_PARM_DESC(use_dma, "enable DMA for data transfering to/from NAND HW");
+#ifdef CONFIG_MTD_NAND_PXA3xx_BUILTIN
static struct pxa3xx_nand_cmdset smallpage_cmdset = {
.read1 = 0x0000,
.read2 = 0x0050,
@@ -291,11 +255,35 @@ static struct pxa3xx_nand_flash micron1GbX16 = {
.chip_id = 0xb12c,
};
+static struct pxa3xx_nand_timing stm2GbX16_timing = {
+ .tCH = 10,
+ .tCS = 35,
+ .tWH = 15,
+ .tWP = 25,
+ .tRH = 15,
+ .tRP = 25,
+ .tR = 25000,
+ .tWHR = 60,
+ .tAR = 10,
+};
+
+static struct pxa3xx_nand_flash stm2GbX16 = {
+ .timing = &stm2GbX16_timing,
+ .page_per_block = 64,
+ .page_size = 2048,
+ .flash_width = 16,
+ .dfc_width = 16,
+ .num_blocks = 2048,
+ .chip_id = 0xba20,
+};
+
static struct pxa3xx_nand_flash *builtin_flash_types[] = {
&samsung512MbX16,
&micron1GbX8,
&micron1GbX16,
+ &stm2GbX16,
};
+#endif /* CONFIG_MTD_NAND_PXA3xx_BUILTIN */
#define NDTR0_tCH(c) (min((c), 7) << 19)
#define NDTR0_tCS(c) (min((c), 7) << 16)
@@ -312,7 +300,7 @@ static struct pxa3xx_nand_flash *builtin_flash_types[] = {
#define ns2cycle(ns, clk) (int)(((ns) * (clk / 1000000) / 1000) + 1)
static void pxa3xx_nand_set_timing(struct pxa3xx_nand_info *info,
- struct pxa3xx_nand_timing *t)
+ const struct pxa3xx_nand_timing *t)
{
unsigned long nand_clk = clk_get_rate(info->clk);
uint32_t ndtr0, ndtr1;
@@ -354,8 +342,8 @@ static int wait_for_event(struct pxa3xx_nand_info *info, uint32_t event)
static int prepare_read_prog_cmd(struct pxa3xx_nand_info *info,
uint16_t cmd, int column, int page_addr)
{
- struct pxa3xx_nand_flash *f = info->flash_info;
- struct pxa3xx_nand_cmdset *cmdset = f->cmdset;
+ const struct pxa3xx_nand_flash *f = info->flash_info;
+ const struct pxa3xx_nand_cmdset *cmdset = f->cmdset;
/* calculate data size */
switch (f->page_size) {
@@ -373,14 +361,14 @@ static int prepare_read_prog_cmd(struct pxa3xx_nand_info *info,
info->ndcb0 = cmd | ((cmd & 0xff00) ? NDCB0_DBC : 0);
info->ndcb1 = 0;
info->ndcb2 = 0;
- info->ndcb0 |= NDCB0_ADDR_CYC(f->row_addr_cycles + f->col_addr_cycles);
+ info->ndcb0 |= NDCB0_ADDR_CYC(info->row_addr_cycles + info->col_addr_cycles);
- if (f->col_addr_cycles == 2) {
+ if (info->col_addr_cycles == 2) {
/* large block, 2 cycles for column address
* row address starts from 3rd cycle
*/
info->ndcb1 |= (page_addr << 16) | (column & 0xffff);
- if (f->row_addr_cycles == 3)
+ if (info->row_addr_cycles == 3)
info->ndcb2 = (page_addr >> 16) & 0xff;
} else
/* small block, 1 cycles for column address
@@ -406,7 +394,7 @@ static int prepare_erase_cmd(struct pxa3xx_nand_info *info,
static int prepare_other_cmd(struct pxa3xx_nand_info *info, uint16_t cmd)
{
- struct pxa3xx_nand_cmdset *cmdset = info->flash_info->cmdset;
+ const struct pxa3xx_nand_cmdset *cmdset = info->flash_info->cmdset;
info->ndcb0 = cmd | ((cmd & 0xff00) ? NDCB0_DBC : 0);
info->ndcb1 = 0;
@@ -641,8 +629,8 @@ static void pxa3xx_nand_cmdfunc(struct mtd_info *mtd, unsigned command,
int column, int page_addr)
{
struct pxa3xx_nand_info *info = mtd->priv;
- struct pxa3xx_nand_flash *flash_info = info->flash_info;
- struct pxa3xx_nand_cmdset *cmdset = flash_info->cmdset;
+ const struct pxa3xx_nand_flash *flash_info = info->flash_info;
+ const struct pxa3xx_nand_cmdset *cmdset = flash_info->cmdset;
int ret;
info->use_dma = (use_dma) ? 1 : 0;
@@ -720,7 +708,7 @@ static void pxa3xx_nand_cmdfunc(struct mtd_info *mtd, unsigned command,
info->use_dma = 0; /* force PIO read */
info->buf_start = 0;
info->buf_count = (command == NAND_CMD_READID) ?
- flash_info->read_id_bytes : 1;
+ info->read_id_bytes : 1;
if (prepare_other_cmd(info, (command == NAND_CMD_READID) ?
cmdset->read_id : cmdset->read_status))
@@ -861,8 +849,8 @@ static int pxa3xx_nand_ecc_correct(struct mtd_info *mtd,
static int __readid(struct pxa3xx_nand_info *info, uint32_t *id)
{
- struct pxa3xx_nand_flash *f = info->flash_info;
- struct pxa3xx_nand_cmdset *cmdset = f->cmdset;
+ const struct pxa3xx_nand_flash *f = info->flash_info;
+ const struct pxa3xx_nand_cmdset *cmdset = f->cmdset;
uint32_t ndcr;
uint8_t id_buff[8];
@@ -891,7 +879,7 @@ fail_timeout:
}
static int pxa3xx_nand_config_flash(struct pxa3xx_nand_info *info,
- struct pxa3xx_nand_flash *f)
+ const struct pxa3xx_nand_flash *f)
{
struct platform_device *pdev = info->pdev;
struct pxa3xx_nand_platform_data *pdata = pdev->dev.platform_data;
@@ -904,25 +892,25 @@ static int pxa3xx_nand_config_flash(struct pxa3xx_nand_info *info,
return -EINVAL;
/* calculate flash information */
- f->oob_size = (f->page_size == 2048) ? 64 : 16;
- f->read_id_bytes = (f->page_size == 2048) ? 4 : 2;
+ info->oob_size = (f->page_size == 2048) ? 64 : 16;
+ info->read_id_bytes = (f->page_size == 2048) ? 4 : 2;
/* calculate addressing information */
- f->col_addr_cycles = (f->page_size == 2048) ? 2 : 1;
+ info->col_addr_cycles = (f->page_size == 2048) ? 2 : 1;
if (f->num_blocks * f->page_per_block > 65536)
- f->row_addr_cycles = 3;
+ info->row_addr_cycles = 3;
else
- f->row_addr_cycles = 2;
+ info->row_addr_cycles = 2;
ndcr |= (pdata->enable_arbiter) ? NDCR_ND_ARB_EN : 0;
- ndcr |= (f->col_addr_cycles == 2) ? NDCR_RA_START : 0;
+ ndcr |= (info->col_addr_cycles == 2) ? NDCR_RA_START : 0;
ndcr |= (f->page_per_block == 64) ? NDCR_PG_PER_BLK : 0;
ndcr |= (f->page_size == 2048) ? NDCR_PAGE_SZ : 0;
ndcr |= (f->flash_width == 16) ? NDCR_DWIDTH_M : 0;
ndcr |= (f->dfc_width == 16) ? NDCR_DWIDTH_C : 0;
- ndcr |= NDCR_RD_ID_CNT(f->read_id_bytes);
+ ndcr |= NDCR_RD_ID_CNT(info->read_id_bytes);
ndcr |= NDCR_SPARE_EN; /* enable spare by default */
info->reg_ndcr = ndcr;
@@ -932,12 +920,27 @@ static int pxa3xx_nand_config_flash(struct pxa3xx_nand_info *info,
return 0;
}
-static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info)
+static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info,
+ const struct pxa3xx_nand_platform_data *pdata)
{
- struct pxa3xx_nand_flash *f;
- uint32_t id;
+ const struct pxa3xx_nand_flash *f;
+ uint32_t id = -1;
int i;
+ for (i = 0; i<pdata->num_flash; ++i) {
+ f = pdata->flash + i;
+
+ if (pxa3xx_nand_config_flash(info, f))
+ continue;
+
+ if (__readid(info, &id))
+ continue;
+
+ if (id == f->chip_id)
+ return 0;
+ }
+
+#ifdef CONFIG_MTD_NAND_PXA3xx_BUILTIN
for (i = 0; i < ARRAY_SIZE(builtin_flash_types); i++) {
f = builtin_flash_types[i];
@@ -951,7 +954,11 @@ static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info)
if (id == f->chip_id)
return 0;
}
+#endif
+ dev_warn(&info->pdev->dev,
+ "failed to detect configured nand flash; found %04x instead of\n",
+ id);
return -ENODEV;
}
@@ -1014,7 +1021,7 @@ static struct nand_ecclayout hw_largepage_ecclayout = {
static void pxa3xx_nand_init_mtd(struct mtd_info *mtd,
struct pxa3xx_nand_info *info)
{
- struct pxa3xx_nand_flash *f = info->flash_info;
+ const struct pxa3xx_nand_flash *f = info->flash_info;
struct nand_chip *this = &info->nand_chip;
this->options = (f->flash_width == 16) ? NAND_BUSWIDTH_16: 0;
@@ -1135,7 +1142,7 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
goto fail_free_buf;
}
- ret = pxa3xx_nand_detect_flash(info);
+ ret = pxa3xx_nand_detect_flash(info, pdata);
if (ret) {
dev_err(&pdev->dev, "failed to detect flash\n");
ret = -ENODEV;
diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c
new file mode 100644
index 00000000000..821acb08ff1
--- /dev/null
+++ b/drivers/mtd/nand/sh_flctl.c
@@ -0,0 +1,878 @@
+/*
+ * SuperH FLCTL nand controller
+ *
+ * Copyright © 2008 Renesas Solutions Corp.
+ * Copyright © 2008 Atom Create Engineering Co., Ltd.
+ *
+ * Based on fsl_elbc_nand.c, Copyright © 2006-2007 Freescale Semiconductor
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/sh_flctl.h>
+
+static struct nand_ecclayout flctl_4secc_oob_16 = {
+ .eccbytes = 10,
+ .eccpos = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9},
+ .oobfree = {
+ {.offset = 12,
+ . length = 4} },
+};
+
+static struct nand_ecclayout flctl_4secc_oob_64 = {
+ .eccbytes = 10,
+ .eccpos = {48, 49, 50, 51, 52, 53, 54, 55, 56, 57},
+ .oobfree = {
+ {.offset = 60,
+ . length = 4} },
+};
+
+static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
+
+static struct nand_bbt_descr flctl_4secc_smallpage = {
+ .options = NAND_BBT_SCAN2NDPAGE,
+ .offs = 11,
+ .len = 1,
+ .pattern = scan_ff_pattern,
+};
+
+static struct nand_bbt_descr flctl_4secc_largepage = {
+ .options = 0,
+ .offs = 58,
+ .len = 2,
+ .pattern = scan_ff_pattern,
+};
+
+static void empty_fifo(struct sh_flctl *flctl)
+{
+ writel(0x000c0000, FLINTDMACR(flctl)); /* FIFO Clear */
+ writel(0x00000000, FLINTDMACR(flctl)); /* Clear Error flags */
+}
+
+static void start_translation(struct sh_flctl *flctl)
+{
+ writeb(TRSTRT, FLTRCR(flctl));
+}
+
+static void wait_completion(struct sh_flctl *flctl)
+{
+ uint32_t timeout = LOOP_TIMEOUT_MAX;
+
+ while (timeout--) {
+ if (readb(FLTRCR(flctl)) & TREND) {
+ writeb(0x0, FLTRCR(flctl));
+ return;
+ }
+ udelay(1);
+ }
+
+ printk(KERN_ERR "wait_completion(): Timeout occured \n");
+ writeb(0x0, FLTRCR(flctl));
+}
+
+static void set_addr(struct mtd_info *mtd, int column, int page_addr)
+{
+ struct sh_flctl *flctl = mtd_to_flctl(mtd);
+ uint32_t addr = 0;
+
+ if (column == -1) {
+ addr = page_addr; /* ERASE1 */
+ } else if (page_addr != -1) {
+ /* SEQIN, READ0, etc.. */
+ if (flctl->page_size) {
+ addr = column & 0x0FFF;
+ addr |= (page_addr & 0xff) << 16;
+ addr |= ((page_addr >> 8) & 0xff) << 24;
+ /* big than 128MB */
+ if (flctl->rw_ADRCNT == ADRCNT2_E) {
+ uint32_t addr2;
+ addr2 = (page_addr >> 16) & 0xff;
+ writel(addr2, FLADR2(flctl));
+ }
+ } else {
+ addr = column;
+ addr |= (page_addr & 0xff) << 8;
+ addr |= ((page_addr >> 8) & 0xff) << 16;
+ addr |= ((page_addr >> 16) & 0xff) << 24;
+ }
+ }
+ writel(addr, FLADR(flctl));
+}
+
+static void wait_rfifo_ready(struct sh_flctl *flctl)
+{
+ uint32_t timeout = LOOP_TIMEOUT_MAX;
+
+ while (timeout--) {
+ uint32_t val;
+ /* check FIFO */
+ val = readl(FLDTCNTR(flctl)) >> 16;
+ if (val & 0xFF)
+ return;
+ udelay(1);
+ }
+ printk(KERN_ERR "wait_rfifo_ready(): Timeout occured \n");
+}
+
+static void wait_wfifo_ready(struct sh_flctl *flctl)
+{
+ uint32_t len, timeout = LOOP_TIMEOUT_MAX;
+
+ while (timeout--) {
+ /* check FIFO */
+ len = (readl(FLDTCNTR(flctl)) >> 16) & 0xFF;
+ if (len >= 4)
+ return;
+ udelay(1);
+ }
+ printk(KERN_ERR "wait_wfifo_ready(): Timeout occured \n");
+}
+
+static int wait_recfifo_ready(struct sh_flctl *flctl)
+{
+ uint32_t timeout = LOOP_TIMEOUT_MAX;
+ int checked[4];
+ void __iomem *ecc_reg[4];
+ int i;
+ uint32_t data, size;
+
+ memset(checked, 0, sizeof(checked));
+
+ while (timeout--) {
+ size = readl(FLDTCNTR(flctl)) >> 24;
+ if (size & 0xFF)
+ return 0; /* success */
+
+ if (readl(FL4ECCCR(flctl)) & _4ECCFA)
+ return 1; /* can't correct */
+
+ udelay(1);
+ if (!(readl(FL4ECCCR(flctl)) & _4ECCEND))
+ continue;
+
+ /* start error correction */
+ ecc_reg[0] = FL4ECCRESULT0(flctl);
+ ecc_reg[1] = FL4ECCRESULT1(flctl);
+ ecc_reg[2] = FL4ECCRESULT2(flctl);
+ ecc_reg[3] = FL4ECCRESULT3(flctl);
+
+ for (i = 0; i < 3; i++) {
+ data = readl(ecc_reg[i]);
+ if (data != INIT_FL4ECCRESULT_VAL && !checked[i]) {
+ uint8_t org;
+ int index;
+
+ index = data >> 16;
+ org = flctl->done_buff[index];
+ flctl->done_buff[index] = org ^ (data & 0xFF);
+ checked[i] = 1;
+ }
+ }
+
+ writel(0, FL4ECCCR(flctl));
+ }
+
+ printk(KERN_ERR "wait_recfifo_ready(): Timeout occured \n");
+ return 1; /* timeout */
+}
+
+static void wait_wecfifo_ready(struct sh_flctl *flctl)
+{
+ uint32_t timeout = LOOP_TIMEOUT_MAX;
+ uint32_t len;
+
+ while (timeout--) {
+ /* check FLECFIFO */
+ len = (readl(FLDTCNTR(flctl)) >> 24) & 0xFF;
+ if (len >= 4)
+ return;
+ udelay(1);
+ }
+ printk(KERN_ERR "wait_wecfifo_ready(): Timeout occured \n");
+}
+
+static void read_datareg(struct sh_flctl *flctl, int offset)
+{
+ unsigned long data;
+ unsigned long *buf = (unsigned long *)&flctl->done_buff[offset];
+
+ wait_completion(flctl);
+
+ data = readl(FLDATAR(flctl));
+ *buf = le32_to_cpu(data);
+}
+
+static void read_fiforeg(struct sh_flctl *flctl, int rlen, int offset)
+{
+ int i, len_4align;
+ unsigned long *buf = (unsigned long *)&flctl->done_buff[offset];
+ void *fifo_addr = (void *)FLDTFIFO(flctl);
+
+ len_4align = (rlen + 3) / 4;
+
+ for (i = 0; i < len_4align; i++) {
+ wait_rfifo_ready(flctl);
+ buf[i] = readl(fifo_addr);
+ buf[i] = be32_to_cpu(buf[i]);
+ }
+}
+
+static int read_ecfiforeg(struct sh_flctl *flctl, uint8_t *buff)
+{
+ int i;
+ unsigned long *ecc_buf = (unsigned long *)buff;
+ void *fifo_addr = (void *)FLECFIFO(flctl);
+
+ for (i = 0; i < 4; i++) {
+ if (wait_recfifo_ready(flctl))
+ return 1;
+ ecc_buf[i] = readl(fifo_addr);
+ ecc_buf[i] = be32_to_cpu(ecc_buf[i]);
+ }
+
+ return 0;
+}
+
+static void write_fiforeg(struct sh_flctl *flctl, int rlen, int offset)
+{
+ int i, len_4align;
+ unsigned long *data = (unsigned long *)&flctl->done_buff[offset];
+ void *fifo_addr = (void *)FLDTFIFO(flctl);
+
+ len_4align = (rlen + 3) / 4;
+ for (i = 0; i < len_4align; i++) {
+ wait_wfifo_ready(flctl);
+ writel(cpu_to_be32(data[i]), fifo_addr);
+ }
+}
+
+static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_val)
+{
+ struct sh_flctl *flctl = mtd_to_flctl(mtd);
+ uint32_t flcmncr_val = readl(FLCMNCR(flctl));
+ uint32_t flcmdcr_val, addr_len_bytes = 0;
+
+ /* Set SNAND bit if page size is 2048byte */
+ if (flctl->page_size)
+ flcmncr_val |= SNAND_E;
+ else
+ flcmncr_val &= ~SNAND_E;
+
+ /* default FLCMDCR val */
+ flcmdcr_val = DOCMD1_E | DOADR_E;
+
+ /* Set for FLCMDCR */
+ switch (cmd) {
+ case NAND_CMD_ERASE1:
+ addr_len_bytes = flctl->erase_ADRCNT;
+ flcmdcr_val |= DOCMD2_E;
+ break;
+ case NAND_CMD_READ0:
+ case NAND_CMD_READOOB:
+ addr_len_bytes = flctl->rw_ADRCNT;
+ flcmdcr_val |= CDSRC_E;
+ break;
+ case NAND_CMD_SEQIN:
+ /* This case is that cmd is READ0 or READ1 or READ00 */
+ flcmdcr_val &= ~DOADR_E; /* ONLY execute 1st cmd */
+ break;
+ case NAND_CMD_PAGEPROG:
+ addr_len_bytes = flctl->rw_ADRCNT;
+ flcmdcr_val |= DOCMD2_E | CDSRC_E | SELRW;
+ break;
+ case NAND_CMD_READID:
+ flcmncr_val &= ~SNAND_E;
+ addr_len_bytes = ADRCNT_1;
+ break;
+ case NAND_CMD_STATUS:
+ case NAND_CMD_RESET:
+ flcmncr_val &= ~SNAND_E;
+ flcmdcr_val &= ~(DOADR_E | DOSR_E);
+ break;
+ default:
+ break;
+ }
+
+ /* Set address bytes parameter */
+ flcmdcr_val |= addr_len_bytes;
+
+ /* Now actually write */
+ writel(flcmncr_val, FLCMNCR(flctl));
+ writel(flcmdcr_val, FLCMDCR(flctl));
+ writel(flcmcdr_val, FLCMCDR(flctl));
+}
+
+static int flctl_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
+ uint8_t *buf)
+{
+ int i, eccsize = chip->ecc.size;
+ int eccbytes = chip->ecc.bytes;
+ int eccsteps = chip->ecc.steps;
+ uint8_t *p = buf;
+ struct sh_flctl *flctl = mtd_to_flctl(mtd);
+
+ for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize)
+ chip->read_buf(mtd, p, eccsize);
+
+ for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
+ if (flctl->hwecc_cant_correct[i])
+ mtd->ecc_stats.failed++;
+ else
+ mtd->ecc_stats.corrected += 0;
+ }
+
+ return 0;
+}
+
+static void flctl_write_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
+ const uint8_t *buf)
+{
+ int i, eccsize = chip->ecc.size;
+ int eccbytes = chip->ecc.bytes;
+ int eccsteps = chip->ecc.steps;
+ const uint8_t *p = buf;
+
+ for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize)
+ chip->write_buf(mtd, p, eccsize);
+}
+
+static void execmd_read_page_sector(struct mtd_info *mtd, int page_addr)
+{
+ struct sh_flctl *flctl = mtd_to_flctl(mtd);
+ int sector, page_sectors;
+
+ if (flctl->page_size)
+ page_sectors = 4;
+ else
+ page_sectors = 1;
+
+ writel(readl(FLCMNCR(flctl)) | ACM_SACCES_MODE | _4ECCCORRECT,
+ FLCMNCR(flctl));
+
+ set_cmd_regs(mtd, NAND_CMD_READ0,
+ (NAND_CMD_READSTART << 8) | NAND_CMD_READ0);
+
+ for (sector = 0; sector < page_sectors; sector++) {
+ int ret;
+
+ empty_fifo(flctl);
+ writel(readl(FLCMDCR(flctl)) | 1, FLCMDCR(flctl));
+ writel(page_addr << 2 | sector, FLADR(flctl));
+
+ start_translation(flctl);
+ read_fiforeg(flctl, 512, 512 * sector);
+
+ ret = read_ecfiforeg(flctl,
+ &flctl->done_buff[mtd->writesize + 16 * sector]);
+
+ if (ret)
+ flctl->hwecc_cant_correct[sector] = 1;
+
+ writel(0x0, FL4ECCCR(flctl));
+ wait_completion(flctl);
+ }
+ writel(readl(FLCMNCR(flctl)) & ~(ACM_SACCES_MODE | _4ECCCORRECT),
+ FLCMNCR(flctl));
+}
+
+static void execmd_read_oob(struct mtd_info *mtd, int page_addr)
+{
+ struct sh_flctl *flctl = mtd_to_flctl(mtd);
+
+ set_cmd_regs(mtd, NAND_CMD_READ0,
+ (NAND_CMD_READSTART << 8) | NAND_CMD_READ0);
+
+ empty_fifo(flctl);
+ if (flctl->page_size) {
+ int i;
+ /* In case that the page size is 2k */
+ for (i = 0; i < 16 * 3; i++)
+ flctl->done_buff[i] = 0xFF;
+
+ set_addr(mtd, 3 * 528 + 512, page_addr);
+ writel(16, FLDTCNTR(flctl));
+
+ start_translation(flctl);
+ read_fiforeg(flctl, 16, 16 * 3);
+ wait_completion(flctl);
+ } else {
+ /* In case that the page size is 512b */
+ set_addr(mtd, 512, page_addr);
+ writel(16, FLDTCNTR(flctl));
+
+ start_translation(flctl);
+ read_fiforeg(flctl, 16, 0);
+ wait_completion(flctl);
+ }
+}
+
+static void execmd_write_page_sector(struct mtd_info *mtd)
+{
+ struct sh_flctl *flctl = mtd_to_flctl(mtd);
+ int i, page_addr = flctl->seqin_page_addr;
+ int sector, page_sectors;
+
+ if (flctl->page_size)
+ page_sectors = 4;
+ else
+ page_sectors = 1;
+
+ writel(readl(FLCMNCR(flctl)) | ACM_SACCES_MODE, FLCMNCR(flctl));
+
+ set_cmd_regs(mtd, NAND_CMD_PAGEPROG,
+ (NAND_CMD_PAGEPROG << 8) | NAND_CMD_SEQIN);
+
+ for (sector = 0; sector < page_sectors; sector++) {
+ empty_fifo(flctl);
+ writel(readl(FLCMDCR(flctl)) | 1, FLCMDCR(flctl));
+ writel(page_addr << 2 | sector, FLADR(flctl));
+
+ start_translation(flctl);
+ write_fiforeg(flctl, 512, 512 * sector);
+
+ for (i = 0; i < 4; i++) {
+ wait_wecfifo_ready(flctl); /* wait for write ready */
+ writel(0xFFFFFFFF, FLECFIFO(flctl));
+ }
+ wait_completion(flctl);
+ }
+
+ writel(readl(FLCMNCR(flctl)) & ~ACM_SACCES_MODE, FLCMNCR(flctl));
+}
+
+static void execmd_write_oob(struct mtd_info *mtd)
+{
+ struct sh_flctl *flctl = mtd_to_flctl(mtd);
+ int page_addr = flctl->seqin_page_addr;
+ int sector, page_sectors;
+
+ if (flctl->page_size) {
+ sector = 3;
+ page_sectors = 4;
+ } else {
+ sector = 0;
+ page_sectors = 1;
+ }
+
+ set_cmd_regs(mtd, NAND_CMD_PAGEPROG,
+ (NAND_CMD_PAGEPROG << 8) | NAND_CMD_SEQIN);
+
+ for (; sector < page_sectors; sector++) {
+ empty_fifo(flctl);
+ set_addr(mtd, sector * 528 + 512, page_addr);
+ writel(16, FLDTCNTR(flctl)); /* set read size */
+
+ start_translation(flctl);
+ write_fiforeg(flctl, 16, 16 * sector);
+ wait_completion(flctl);
+ }
+}
+
+static void flctl_cmdfunc(struct mtd_info *mtd, unsigned int command,
+ int column, int page_addr)
+{
+ struct sh_flctl *flctl = mtd_to_flctl(mtd);
+ uint32_t read_cmd = 0;
+
+ flctl->read_bytes = 0;
+ if (command != NAND_CMD_PAGEPROG)
+ flctl->index = 0;
+
+ switch (command) {
+ case NAND_CMD_READ1:
+ case NAND_CMD_READ0:
+ if (flctl->hwecc) {
+ /* read page with hwecc */
+ execmd_read_page_sector(mtd, page_addr);
+ break;
+ }
+ empty_fifo(flctl);
+ if (flctl->page_size)
+ set_cmd_regs(mtd, command, (NAND_CMD_READSTART << 8)
+ | command);
+ else
+ set_cmd_regs(mtd, command, command);
+
+ set_addr(mtd, 0, page_addr);
+
+ flctl->read_bytes = mtd->writesize + mtd->oobsize;
+ flctl->index += column;
+ goto read_normal_exit;
+
+ case NAND_CMD_READOOB:
+ if (flctl->hwecc) {
+ /* read page with hwecc */
+ execmd_read_oob(mtd, page_addr);
+ break;
+ }
+
+ empty_fifo(flctl);
+ if (flctl->page_size) {
+ set_cmd_regs(mtd, command, (NAND_CMD_READSTART << 8)
+ | NAND_CMD_READ0);
+ set_addr(mtd, mtd->writesize, page_addr);
+ } else {
+ set_cmd_regs(mtd, command, command);
+ set_addr(mtd, 0, page_addr);
+ }
+ flctl->read_bytes = mtd->oobsize;
+ goto read_normal_exit;
+
+ case NAND_CMD_READID:
+ empty_fifo(flctl);
+ set_cmd_regs(mtd, command, command);
+ set_addr(mtd, 0, 0);
+
+ flctl->read_bytes = 4;
+ writel(flctl->read_bytes, FLDTCNTR(flctl)); /* set read size */
+ start_translation(flctl);
+ read_datareg(flctl, 0); /* read and end */
+ break;
+
+ case NAND_CMD_ERASE1:
+ flctl->erase1_page_addr = page_addr;
+ break;
+
+ case NAND_CMD_ERASE2:
+ set_cmd_regs(mtd, NAND_CMD_ERASE1,
+ (command << 8) | NAND_CMD_ERASE1);
+ set_addr(mtd, -1, flctl->erase1_page_addr);
+ start_translation(flctl);
+ wait_completion(flctl);
+ break;
+
+ case NAND_CMD_SEQIN:
+ if (!flctl->page_size) {
+ /* output read command */
+ if (column >= mtd->writesize) {
+ column -= mtd->writesize;
+ read_cmd = NAND_CMD_READOOB;
+ } else if (column < 256) {
+ read_cmd = NAND_CMD_READ0;
+ } else {
+ column -= 256;
+ read_cmd = NAND_CMD_READ1;
+ }
+ }
+ flctl->seqin_column = column;
+ flctl->seqin_page_addr = page_addr;
+ flctl->seqin_read_cmd = read_cmd;
+ break;
+
+ case NAND_CMD_PAGEPROG:
+ empty_fifo(flctl);
+ if (!flctl->page_size) {
+ set_cmd_regs(mtd, NAND_CMD_SEQIN,
+ flctl->seqin_read_cmd);
+ set_addr(mtd, -1, -1);
+ writel(0, FLDTCNTR(flctl)); /* set 0 size */
+ start_translation(flctl);
+ wait_completion(flctl);
+ }
+ if (flctl->hwecc) {
+ /* write page with hwecc */
+ if (flctl->seqin_column == mtd->writesize)
+ execmd_write_oob(mtd);
+ else if (!flctl->seqin_column)
+ execmd_write_page_sector(mtd);
+ else
+ printk(KERN_ERR "Invalid address !?\n");
+ break;
+ }
+ set_cmd_regs(mtd, command, (command << 8) | NAND_CMD_SEQIN);
+ set_addr(mtd, flctl->seqin_column, flctl->seqin_page_addr);
+ writel(flctl->index, FLDTCNTR(flctl)); /* set write size */
+ start_translation(flctl);
+ write_fiforeg(flctl, flctl->index, 0);
+ wait_completion(flctl);
+ break;
+
+ case NAND_CMD_STATUS:
+ set_cmd_regs(mtd, command, command);
+ set_addr(mtd, -1, -1);
+
+ flctl->read_bytes = 1;
+ writel(flctl->read_bytes, FLDTCNTR(flctl)); /* set read size */
+ start_translation(flctl);
+ read_datareg(flctl, 0); /* read and end */
+ break;
+
+ case NAND_CMD_RESET:
+ set_cmd_regs(mtd, command, command);
+ set_addr(mtd, -1, -1);
+
+ writel(0, FLDTCNTR(flctl)); /* set 0 size */
+ start_translation(flctl);
+ wait_completion(flctl);
+ break;
+
+ default:
+ break;
+ }
+ return;
+
+read_normal_exit:
+ writel(flctl->read_bytes, FLDTCNTR(flctl)); /* set read size */
+ start_translation(flctl);
+ read_fiforeg(flctl, flctl->read_bytes, 0);
+ wait_completion(flctl);
+ return;
+}
+
+static void flctl_select_chip(struct mtd_info *mtd, int chipnr)
+{
+ struct sh_flctl *flctl = mtd_to_flctl(mtd);
+ uint32_t flcmncr_val = readl(FLCMNCR(flctl));
+
+ switch (chipnr) {
+ case -1:
+ flcmncr_val &= ~CE0_ENABLE;
+ writel(flcmncr_val, FLCMNCR(flctl));
+ break;
+ case 0:
+ flcmncr_val |= CE0_ENABLE;
+ writel(flcmncr_val, FLCMNCR(flctl));
+ break;
+ default:
+ BUG();
+ }
+}
+
+static void flctl_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+{
+ struct sh_flctl *flctl = mtd_to_flctl(mtd);
+ int i, index = flctl->index;
+
+ for (i = 0; i < len; i++)
+ flctl->done_buff[index + i] = buf[i];
+ flctl->index += len;
+}
+
+static uint8_t flctl_read_byte(struct mtd_info *mtd)
+{
+ struct sh_flctl *flctl = mtd_to_flctl(mtd);
+ int index = flctl->index;
+ uint8_t data;
+
+ data = flctl->done_buff[index];
+ flctl->index++;
+ return data;
+}
+
+static void flctl_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ buf[i] = flctl_read_byte(mtd);
+}
+
+static int flctl_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ if (buf[i] != flctl_read_byte(mtd))
+ return -EFAULT;
+ return 0;
+}
+
+static void flctl_register_init(struct sh_flctl *flctl, unsigned long val)
+{
+ writel(val, FLCMNCR(flctl));
+}
+
+static int flctl_chip_init_tail(struct mtd_info *mtd)
+{
+ struct sh_flctl *flctl = mtd_to_flctl(mtd);
+ struct nand_chip *chip = &flctl->chip;
+
+ if (mtd->writesize == 512) {
+ flctl->page_size = 0;
+ if (chip->chipsize > (32 << 20)) {
+ /* big than 32MB */
+ flctl->rw_ADRCNT = ADRCNT_4;
+ flctl->erase_ADRCNT = ADRCNT_3;
+ } else if (chip->chipsize > (2 << 16)) {
+ /* big than 128KB */
+ flctl->rw_ADRCNT = ADRCNT_3;
+ flctl->erase_ADRCNT = ADRCNT_2;
+ } else {
+ flctl->rw_ADRCNT = ADRCNT_2;
+ flctl->erase_ADRCNT = ADRCNT_1;
+ }
+ } else {
+ flctl->page_size = 1;
+ if (chip->chipsize > (128 << 20)) {
+ /* big than 128MB */
+ flctl->rw_ADRCNT = ADRCNT2_E;
+ flctl->erase_ADRCNT = ADRCNT_3;
+ } else if (chip->chipsize > (8 << 16)) {
+ /* big than 512KB */
+ flctl->rw_ADRCNT = ADRCNT_4;
+ flctl->erase_ADRCNT = ADRCNT_2;
+ } else {
+ flctl->rw_ADRCNT = ADRCNT_3;
+ flctl->erase_ADRCNT = ADRCNT_1;
+ }
+ }
+
+ if (flctl->hwecc) {
+ if (mtd->writesize == 512) {
+ chip->ecc.layout = &flctl_4secc_oob_16;
+ chip->badblock_pattern = &flctl_4secc_smallpage;
+ } else {
+ chip->ecc.layout = &flctl_4secc_oob_64;
+ chip->badblock_pattern = &flctl_4secc_largepage;
+ }
+
+ chip->ecc.size = 512;
+ chip->ecc.bytes = 10;
+ chip->ecc.read_page = flctl_read_page_hwecc;
+ chip->ecc.write_page = flctl_write_page_hwecc;
+ chip->ecc.mode = NAND_ECC_HW;
+
+ /* 4 symbols ECC enabled */
+ writel(readl(FLCMNCR(flctl)) | _4ECCEN | ECCPOS2 | ECCPOS_02,
+ FLCMNCR(flctl));
+ } else {
+ chip->ecc.mode = NAND_ECC_SOFT;
+ }
+
+ return 0;
+}
+
+static int __init flctl_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ struct sh_flctl *flctl;
+ struct mtd_info *flctl_mtd;
+ struct nand_chip *nand;
+ struct sh_flctl_platform_data *pdata;
+ int ret;
+
+ pdata = pdev->dev.platform_data;
+ if (pdata == NULL) {
+ printk(KERN_ERR "sh_flctl platform_data not found.\n");
+ return -ENODEV;
+ }
+
+ flctl = kzalloc(sizeof(struct sh_flctl), GFP_KERNEL);
+ if (!flctl) {
+ printk(KERN_ERR "Unable to allocate NAND MTD dev structure.\n");
+ return -ENOMEM;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ printk(KERN_ERR "%s: resource not found.\n", __func__);
+ ret = -ENODEV;
+ goto err;
+ }
+
+ flctl->reg = ioremap(res->start, res->end - res->start + 1);
+ if (flctl->reg == NULL) {
+ printk(KERN_ERR "%s: ioremap error.\n", __func__);
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ platform_set_drvdata(pdev, flctl);
+ flctl_mtd = &flctl->mtd;
+ nand = &flctl->chip;
+ flctl_mtd->priv = nand;
+ flctl->hwecc = pdata->has_hwecc;
+
+ flctl_register_init(flctl, pdata->flcmncr_val);
+
+ nand->options = NAND_NO_AUTOINCR;
+
+ /* Set address of hardware control function */
+ /* 20 us command delay time */
+ nand->chip_delay = 20;
+
+ nand->read_byte = flctl_read_byte;
+ nand->write_buf = flctl_write_buf;
+ nand->read_buf = flctl_read_buf;
+ nand->verify_buf = flctl_verify_buf;
+ nand->select_chip = flctl_select_chip;
+ nand->cmdfunc = flctl_cmdfunc;
+
+ ret = nand_scan_ident(flctl_mtd, 1);
+ if (ret)
+ goto err;
+
+ ret = flctl_chip_init_tail(flctl_mtd);
+ if (ret)
+ goto err;
+
+ ret = nand_scan_tail(flctl_mtd);
+ if (ret)
+ goto err;
+
+ add_mtd_partitions(flctl_mtd, pdata->parts, pdata->nr_parts);
+
+ return 0;
+
+err:
+ kfree(flctl);
+ return ret;
+}
+
+static int __exit flctl_remove(struct platform_device *pdev)
+{
+ struct sh_flctl *flctl = platform_get_drvdata(pdev);
+
+ nand_release(&flctl->mtd);
+ kfree(flctl);
+
+ return 0;
+}
+
+static struct platform_driver flctl_driver = {
+ .probe = flctl_probe,
+ .remove = flctl_remove,
+ .driver = {
+ .name = "sh_flctl",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init flctl_nand_init(void)
+{
+ return platform_driver_register(&flctl_driver);
+}
+
+static void __exit flctl_nand_cleanup(void)
+{
+ platform_driver_unregister(&flctl_driver);
+}
+
+module_init(flctl_nand_init);
+module_exit(flctl_nand_cleanup);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Yoshihiro Shimoda");
+MODULE_DESCRIPTION("SuperH FLCTL driver");
+MODULE_ALIAS("platform:sh_flctl");
diff --git a/drivers/mtd/nand/toto.c b/drivers/mtd/nand/toto.c
deleted file mode 100644
index bbf492e6830..00000000000
--- a/drivers/mtd/nand/toto.c
+++ /dev/null
@@ -1,206 +0,0 @@
-/*
- * drivers/mtd/nand/toto.c
- *
- * Copyright (c) 2003 Texas Instruments
- *
- * Derived from drivers/mtd/autcpu12.c
- *
- * Copyright (c) 2002 Thomas Gleixner <tgxl@linutronix.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Overview:
- * This is a device driver for the NAND flash device found on the
- * TI fido board. It supports 32MiB and 64MiB cards
- */
-
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/nand.h>
-#include <linux/mtd/partitions.h>
-#include <asm/io.h>
-#include <asm/arch/hardware.h>
-#include <asm/sizes.h>
-#include <asm/arch/toto.h>
-#include <asm/arch-omap1510/hardware.h>
-#include <asm/arch/gpio.h>
-
-#define CONFIG_NAND_WORKAROUND 1
-
-/*
- * MTD structure for TOTO board
- */
-static struct mtd_info *toto_mtd = NULL;
-
-static unsigned long toto_io_base = OMAP_FLASH_1_BASE;
-
-/*
- * Define partitions for flash devices
- */
-
-static struct mtd_partition partition_info64M[] = {
- { .name = "toto kernel partition 1",
- .offset = 0,
- .size = 2 * SZ_1M },
- { .name = "toto file sys partition 2",
- .offset = 2 * SZ_1M,
- .size = 14 * SZ_1M },
- { .name = "toto user partition 3",
- .offset = 16 * SZ_1M,
- .size = 16 * SZ_1M },
- { .name = "toto devboard extra partition 4",
- .offset = 32 * SZ_1M,
- .size = 32 * SZ_1M },
-};
-
-static struct mtd_partition partition_info32M[] = {
- { .name = "toto kernel partition 1",
- .offset = 0,
- .size = 2 * SZ_1M },
- { .name = "toto file sys partition 2",
- .offset = 2 * SZ_1M,
- .size = 14 * SZ_1M },
- { .name = "toto user partition 3",
- .offset = 16 * SZ_1M,
- .size = 16 * SZ_1M },
-};
-
-#define NUM_PARTITIONS32M 3
-#define NUM_PARTITIONS64M 4
-
-/*
- * hardware specific access to control-lines
- *
- * ctrl:
- * NAND_NCE: bit 0 -> bit 14 (0x4000)
- * NAND_CLE: bit 1 -> bit 12 (0x1000)
- * NAND_ALE: bit 2 -> bit 1 (0x0002)
- */
-static void toto_hwcontrol(struct mtd_info *mtd, int cmd,
- unsigned int ctrl)
-{
- struct nand_chip *chip = mtd->priv;
-
- if (ctrl & NAND_CTRL_CHANGE) {
- unsigned long bits;
-
- /* hopefully enough time for tc make proceding write to clear */
- udelay(1);
-
- bits = (~ctrl & NAND_NCE) << 14;
- bits |= (ctrl & NAND_CLE) << 12;
- bits |= (ctrl & NAND_ALE) >> 1;
-
-#warning Wild guess as gpiosetout() is nowhere defined in the kernel source - tglx
- gpiosetout(0x5002, bits);
-
-#ifdef CONFIG_NAND_WORKAROUND
- /* "some" dev boards busted, blue wired to rts2 :( */
- rts2setout(2, (ctrl & NAND_CLE) << 1);
-#endif
- /* allow time to ensure gpio state to over take memory write */
- udelay(1);
- }
-
- if (cmd != NAND_CMD_NONE)
- writeb(cmd, chip->IO_ADDR_W);
-}
-
-/*
- * Main initialization routine
- */
-static int __init toto_init(void)
-{
- struct nand_chip *this;
- int err = 0;
-
- /* Allocate memory for MTD device structure and private data */
- toto_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
- if (!toto_mtd) {
- printk(KERN_WARNING "Unable to allocate toto NAND MTD device structure.\n");
- err = -ENOMEM;
- goto out;
- }
-
- /* Get pointer to private data */
- this = (struct nand_chip *)(&toto_mtd[1]);
-
- /* Initialize structures */
- memset(toto_mtd, 0, sizeof(struct mtd_info));
- memset(this, 0, sizeof(struct nand_chip));
-
- /* Link the private data with the MTD structure */
- toto_mtd->priv = this;
- toto_mtd->owner = THIS_MODULE;
-
- /* Set address of NAND IO lines */
- this->IO_ADDR_R = toto_io_base;
- this->IO_ADDR_W = toto_io_base;
- this->cmd_ctrl = toto_hwcontrol;
- this->dev_ready = NULL;
- /* 25 us command delay time */
- this->chip_delay = 30;
- this->ecc.mode = NAND_ECC_SOFT;
-
- /* Scan to find existance of the device */
- if (nand_scan(toto_mtd, 1)) {
- err = -ENXIO;
- goto out_mtd;
- }
-
- /* Register the partitions */
- switch (toto_mtd->size) {
- case SZ_64M:
- add_mtd_partitions(toto_mtd, partition_info64M, NUM_PARTITIONS64M);
- break;
- case SZ_32M:
- add_mtd_partitions(toto_mtd, partition_info32M, NUM_PARTITIONS32M);
- break;
- default:{
- printk(KERN_WARNING "Unsupported Nand device\n");
- err = -ENXIO;
- goto out_buf;
- }
- }
-
- gpioreserve(NAND_MASK); /* claim our gpios */
- archflashwp(0, 0); /* open up flash for writing */
-
- goto out;
-
- out_mtd:
- kfree(toto_mtd);
- out:
- return err;
-}
-
-module_init(toto_init);
-
-/*
- * Clean up routine
- */
-static void __exit toto_cleanup(void)
-{
- /* Release resources, unregister device */
- nand_release(toto_mtd);
-
- /* Free the MTD device structure */
- kfree(toto_mtd);
-
- /* stop flash writes */
- archflashwp(0, 1);
-
- /* release gpios to system */
- gpiorelease(NAND_MASK);
-}
-
-module_exit(toto_cleanup);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Richard Woodruff <r-woodruff2@ti.com>");
-MODULE_DESCRIPTION("Glue layer for NAND flash on toto board");
diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c
index 4f80c2fd89a..9e45b3f39c0 100644
--- a/drivers/mtd/ofpart.c
+++ b/drivers/mtd/ofpart.c
@@ -20,7 +20,6 @@
#include <linux/mtd/partitions.h>
int __devinit of_mtd_parse_partitions(struct device *dev,
- struct mtd_info *mtd,
struct device_node *node,
struct mtd_partition **pparts)
{
diff --git a/drivers/mtd/onenand/Kconfig b/drivers/mtd/onenand/Kconfig
index cb41cbca64f..79fa79e8f8d 100644
--- a/drivers/mtd/onenand/Kconfig
+++ b/drivers/mtd/onenand/Kconfig
@@ -27,8 +27,16 @@ config MTD_ONENAND_GENERIC
help
Support for OneNAND flash via platform device driver.
+config MTD_ONENAND_OMAP2
+ tristate "OneNAND on OMAP2/OMAP3 support"
+ depends on MTD_ONENAND && (ARCH_OMAP2 || ARCH_OMAP3)
+ help
+ Support for a OneNAND flash device connected to an OMAP2/OMAP3 CPU
+ via the GPMC memory controller.
+
config MTD_ONENAND_OTP
bool "OneNAND OTP Support"
+ select HAVE_MTD_OTP
help
One Block of the NAND Flash Array memory is reserved as
a One-Time Programmable Block memory area.
diff --git a/drivers/mtd/onenand/Makefile b/drivers/mtd/onenand/Makefile
index 4d2eacfd7e1..64b6cc61a52 100644
--- a/drivers/mtd/onenand/Makefile
+++ b/drivers/mtd/onenand/Makefile
@@ -7,6 +7,7 @@ obj-$(CONFIG_MTD_ONENAND) += onenand.o
# Board specific.
obj-$(CONFIG_MTD_ONENAND_GENERIC) += generic.o
+obj-$(CONFIG_MTD_ONENAND_OMAP2) += omap2.o
# Simulator
obj-$(CONFIG_MTD_ONENAND_SIM) += onenand_sim.o
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
new file mode 100644
index 00000000000..8387e05daae
--- /dev/null
+++ b/drivers/mtd/onenand/omap2.c
@@ -0,0 +1,802 @@
+/*
+ * linux/drivers/mtd/onenand/omap2.c
+ *
+ * OneNAND driver for OMAP2 / OMAP3
+ *
+ * Copyright © 2005-2006 Nokia Corporation
+ *
+ * Author: Jarkko Lavinen <jarkko.lavinen@nokia.com> and Juha Yrjölä
+ * IRQ and DMA support written by Timo Teras
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; see the file COPYING. If not, write to the Free Software
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/onenand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+
+#include <asm/io.h>
+#include <asm/mach/flash.h>
+#include <asm/arch/gpmc.h>
+#include <asm/arch/onenand.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/gpmc.h>
+#include <asm/arch/pm.h>
+
+#include <linux/dma-mapping.h>
+#include <asm/dma-mapping.h>
+#include <asm/arch/dma.h>
+
+#include <asm/arch/board.h>
+
+#define DRIVER_NAME "omap2-onenand"
+
+#define ONENAND_IO_SIZE SZ_128K
+#define ONENAND_BUFRAM_SIZE (1024 * 5)
+
+struct omap2_onenand {
+ struct platform_device *pdev;
+ int gpmc_cs;
+ unsigned long phys_base;
+ int gpio_irq;
+ struct mtd_info mtd;
+ struct mtd_partition *parts;
+ struct onenand_chip onenand;
+ struct completion irq_done;
+ struct completion dma_done;
+ int dma_channel;
+ int freq;
+ int (*setup)(void __iomem *base, int freq);
+};
+
+static void omap2_onenand_dma_cb(int lch, u16 ch_status, void *data)
+{
+ struct omap2_onenand *c = data;
+
+ complete(&c->dma_done);
+}
+
+static irqreturn_t omap2_onenand_interrupt(int irq, void *dev_id)
+{
+ struct omap2_onenand *c = dev_id;
+
+ complete(&c->irq_done);
+
+ return IRQ_HANDLED;
+}
+
+static inline unsigned short read_reg(struct omap2_onenand *c, int reg)
+{
+ return readw(c->onenand.base + reg);
+}
+
+static inline void write_reg(struct omap2_onenand *c, unsigned short value,
+ int reg)
+{
+ writew(value, c->onenand.base + reg);
+}
+
+static void wait_err(char *msg, int state, unsigned int ctrl, unsigned int intr)
+{
+ printk(KERN_ERR "onenand_wait: %s! state %d ctrl 0x%04x intr 0x%04x\n",
+ msg, state, ctrl, intr);
+}
+
+static void wait_warn(char *msg, int state, unsigned int ctrl,
+ unsigned int intr)
+{
+ printk(KERN_WARNING "onenand_wait: %s! state %d ctrl 0x%04x "
+ "intr 0x%04x\n", msg, state, ctrl, intr);
+}
+
+static int omap2_onenand_wait(struct mtd_info *mtd, int state)
+{
+ struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
+ unsigned int intr = 0;
+ unsigned int ctrl;
+ unsigned long timeout;
+ u32 syscfg;
+
+ if (state == FL_RESETING) {
+ int i;
+
+ for (i = 0; i < 20; i++) {
+ udelay(1);
+ intr = read_reg(c, ONENAND_REG_INTERRUPT);
+ if (intr & ONENAND_INT_MASTER)
+ break;
+ }
+ ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
+ if (ctrl & ONENAND_CTRL_ERROR) {
+ wait_err("controller error", state, ctrl, intr);
+ return -EIO;
+ }
+ if (!(intr & ONENAND_INT_RESET)) {
+ wait_err("timeout", state, ctrl, intr);
+ return -EIO;
+ }
+ return 0;
+ }
+
+ if (state != FL_READING) {
+ int result;
+
+ /* Turn interrupts on */
+ syscfg = read_reg(c, ONENAND_REG_SYS_CFG1);
+ if (!(syscfg & ONENAND_SYS_CFG1_IOBE)) {
+ syscfg |= ONENAND_SYS_CFG1_IOBE;
+ write_reg(c, syscfg, ONENAND_REG_SYS_CFG1);
+ if (cpu_is_omap34xx())
+ /* Add a delay to let GPIO settle */
+ syscfg = read_reg(c, ONENAND_REG_SYS_CFG1);
+ }
+
+ INIT_COMPLETION(c->irq_done);
+ if (c->gpio_irq) {
+ result = omap_get_gpio_datain(c->gpio_irq);
+ if (result == -1) {
+ ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
+ intr = read_reg(c, ONENAND_REG_INTERRUPT);
+ wait_err("gpio error", state, ctrl, intr);
+ return -EIO;
+ }
+ } else
+ result = 0;
+ if (result == 0) {
+ int retry_cnt = 0;
+retry:
+ result = wait_for_completion_timeout(&c->irq_done,
+ msecs_to_jiffies(20));
+ if (result == 0) {
+ /* Timeout after 20ms */
+ ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
+ if (ctrl & ONENAND_CTRL_ONGO) {
+ /*
+ * The operation seems to be still going
+ * so give it some more time.
+ */
+ retry_cnt += 1;
+ if (retry_cnt < 3)
+ goto retry;
+ intr = read_reg(c,
+ ONENAND_REG_INTERRUPT);
+ wait_err("timeout", state, ctrl, intr);
+ return -EIO;
+ }
+ intr = read_reg(c, ONENAND_REG_INTERRUPT);
+ if ((intr & ONENAND_INT_MASTER) == 0)
+ wait_warn("timeout", state, ctrl, intr);
+ }
+ }
+ } else {
+ int retry_cnt = 0;
+
+ /* Turn interrupts off */
+ syscfg = read_reg(c, ONENAND_REG_SYS_CFG1);
+ syscfg &= ~ONENAND_SYS_CFG1_IOBE;
+ write_reg(c, syscfg, ONENAND_REG_SYS_CFG1);
+
+ timeout = jiffies + msecs_to_jiffies(20);
+ while (1) {
+ if (time_before(jiffies, timeout)) {
+ intr = read_reg(c, ONENAND_REG_INTERRUPT);
+ if (intr & ONENAND_INT_MASTER)
+ break;
+ } else {
+ /* Timeout after 20ms */
+ ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
+ if (ctrl & ONENAND_CTRL_ONGO) {
+ /*
+ * The operation seems to be still going
+ * so give it some more time.
+ */
+ retry_cnt += 1;
+ if (retry_cnt < 3) {
+ timeout = jiffies +
+ msecs_to_jiffies(20);
+ continue;
+ }
+ }
+ break;
+ }
+ }
+ }
+
+ intr = read_reg(c, ONENAND_REG_INTERRUPT);
+ ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
+
+ if (intr & ONENAND_INT_READ) {
+ int ecc = read_reg(c, ONENAND_REG_ECC_STATUS);
+
+ if (ecc) {
+ unsigned int addr1, addr8;
+
+ addr1 = read_reg(c, ONENAND_REG_START_ADDRESS1);
+ addr8 = read_reg(c, ONENAND_REG_START_ADDRESS8);
+ if (ecc & ONENAND_ECC_2BIT_ALL) {
+ printk(KERN_ERR "onenand_wait: ECC error = "
+ "0x%04x, addr1 %#x, addr8 %#x\n",
+ ecc, addr1, addr8);
+ mtd->ecc_stats.failed++;
+ return -EBADMSG;
+ } else if (ecc & ONENAND_ECC_1BIT_ALL) {
+ printk(KERN_NOTICE "onenand_wait: correctable "
+ "ECC error = 0x%04x, addr1 %#x, "
+ "addr8 %#x\n", ecc, addr1, addr8);
+ mtd->ecc_stats.corrected++;
+ }
+ }
+ } else if (state == FL_READING) {
+ wait_err("timeout", state, ctrl, intr);
+ return -EIO;
+ }
+
+ if (ctrl & ONENAND_CTRL_ERROR) {
+ wait_err("controller error", state, ctrl, intr);
+ if (ctrl & ONENAND_CTRL_LOCK)
+ printk(KERN_ERR "onenand_wait: "
+ "Device is write protected!!!\n");
+ return -EIO;
+ }
+
+ if (ctrl & 0xFE9F)
+ wait_warn("unexpected controller status", state, ctrl, intr);
+
+ return 0;
+}
+
+static inline int omap2_onenand_bufferram_offset(struct mtd_info *mtd, int area)
+{
+ struct onenand_chip *this = mtd->priv;
+
+ if (ONENAND_CURRENT_BUFFERRAM(this)) {
+ if (area == ONENAND_DATARAM)
+ return mtd->writesize;
+ if (area == ONENAND_SPARERAM)
+ return mtd->oobsize;
+ }
+
+ return 0;
+}
+
+#if defined(CONFIG_ARCH_OMAP3) || defined(MULTI_OMAP2)
+
+static int omap3_onenand_read_bufferram(struct mtd_info *mtd, int area,
+ unsigned char *buffer, int offset,
+ size_t count)
+{
+ struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
+ struct onenand_chip *this = mtd->priv;
+ dma_addr_t dma_src, dma_dst;
+ int bram_offset;
+ unsigned long timeout;
+ void *buf = (void *)buffer;
+ size_t xtra;
+ volatile unsigned *done;
+
+ bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset;
+ if (bram_offset & 3 || (size_t)buf & 3 || count < 384)
+ goto out_copy;
+
+ if (buf >= high_memory) {
+ struct page *p1;
+
+ if (((size_t)buf & PAGE_MASK) !=
+ ((size_t)(buf + count - 1) & PAGE_MASK))
+ goto out_copy;
+ p1 = vmalloc_to_page(buf);
+ if (!p1)
+ goto out_copy;
+ buf = page_address(p1) + ((size_t)buf & ~PAGE_MASK);
+ }
+
+ xtra = count & 3;
+ if (xtra) {
+ count -= xtra;
+ memcpy(buf + count, this->base + bram_offset + count, xtra);
+ }
+
+ dma_src = c->phys_base + bram_offset;
+ dma_dst = dma_map_single(&c->pdev->dev, buf, count, DMA_FROM_DEVICE);
+ if (dma_mapping_error(&c->pdev->dev, dma_dst)) {
+ dev_err(&c->pdev->dev,
+ "Couldn't DMA map a %d byte buffer\n",
+ count);
+ goto out_copy;
+ }
+
+ omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S32,
+ count >> 2, 1, 0, 0, 0);
+ omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+ dma_src, 0, 0);
+ omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+ dma_dst, 0, 0);
+
+ INIT_COMPLETION(c->dma_done);
+ omap_start_dma(c->dma_channel);
+
+ timeout = jiffies + msecs_to_jiffies(20);
+ done = &c->dma_done.done;
+ while (time_before(jiffies, timeout))
+ if (*done)
+ break;
+
+ dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_FROM_DEVICE);
+
+ if (!*done) {
+ dev_err(&c->pdev->dev, "timeout waiting for DMA\n");
+ goto out_copy;
+ }
+
+ return 0;
+
+out_copy:
+ memcpy(buf, this->base + bram_offset, count);
+ return 0;
+}
+
+static int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area,
+ const unsigned char *buffer,
+ int offset, size_t count)
+{
+ struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
+ struct onenand_chip *this = mtd->priv;
+ dma_addr_t dma_src, dma_dst;
+ int bram_offset;
+ unsigned long timeout;
+ void *buf = (void *)buffer;
+ volatile unsigned *done;
+
+ bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset;
+ if (bram_offset & 3 || (size_t)buf & 3 || count < 384)
+ goto out_copy;
+
+ /* panic_write() may be in an interrupt context */
+ if (in_interrupt())
+ goto out_copy;
+
+ if (buf >= high_memory) {
+ struct page *p1;
+
+ if (((size_t)buf & PAGE_MASK) !=
+ ((size_t)(buf + count - 1) & PAGE_MASK))
+ goto out_copy;
+ p1 = vmalloc_to_page(buf);
+ if (!p1)
+ goto out_copy;
+ buf = page_address(p1) + ((size_t)buf & ~PAGE_MASK);
+ }
+
+ dma_src = dma_map_single(&c->pdev->dev, buf, count, DMA_TO_DEVICE);
+ dma_dst = c->phys_base + bram_offset;
+ if (dma_mapping_error(&c->pdev->dev, dma_dst)) {
+ dev_err(&c->pdev->dev,
+ "Couldn't DMA map a %d byte buffer\n",
+ count);
+ return -1;
+ }
+
+ omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S32,
+ count >> 2, 1, 0, 0, 0);
+ omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+ dma_src, 0, 0);
+ omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+ dma_dst, 0, 0);
+
+ INIT_COMPLETION(c->dma_done);
+ omap_start_dma(c->dma_channel);
+
+ timeout = jiffies + msecs_to_jiffies(20);
+ done = &c->dma_done.done;
+ while (time_before(jiffies, timeout))
+ if (*done)
+ break;
+
+ dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_TO_DEVICE);
+
+ if (!*done) {
+ dev_err(&c->pdev->dev, "timeout waiting for DMA\n");
+ goto out_copy;
+ }
+
+ return 0;
+
+out_copy:
+ memcpy(this->base + bram_offset, buf, count);
+ return 0;
+}
+
+#else
+
+int omap3_onenand_read_bufferram(struct mtd_info *mtd, int area,
+ unsigned char *buffer, int offset,
+ size_t count);
+
+int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area,
+ const unsigned char *buffer,
+ int offset, size_t count);
+
+#endif
+
+#if defined(CONFIG_ARCH_OMAP2) || defined(MULTI_OMAP2)
+
+static int omap2_onenand_read_bufferram(struct mtd_info *mtd, int area,
+ unsigned char *buffer, int offset,
+ size_t count)
+{
+ struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
+ struct onenand_chip *this = mtd->priv;
+ dma_addr_t dma_src, dma_dst;
+ int bram_offset;
+
+ bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset;
+ /* DMA is not used. Revisit PM requirements before enabling it. */
+ if (1 || (c->dma_channel < 0) ||
+ ((void *) buffer >= (void *) high_memory) || (bram_offset & 3) ||
+ (((unsigned int) buffer) & 3) || (count < 1024) || (count & 3)) {
+ memcpy(buffer, (__force void *)(this->base + bram_offset),
+ count);
+ return 0;
+ }
+
+ dma_src = c->phys_base + bram_offset;
+ dma_dst = dma_map_single(&c->pdev->dev, buffer, count,
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(&c->pdev->dev, dma_dst)) {
+ dev_err(&c->pdev->dev,
+ "Couldn't DMA map a %d byte buffer\n",
+ count);
+ return -1;
+ }
+
+ omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S32,
+ count / 4, 1, 0, 0, 0);
+ omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+ dma_src, 0, 0);
+ omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+ dma_dst, 0, 0);
+
+ INIT_COMPLETION(c->dma_done);
+ omap_start_dma(c->dma_channel);
+ wait_for_completion(&c->dma_done);
+
+ dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_FROM_DEVICE);
+
+ return 0;
+}
+
+static int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area,
+ const unsigned char *buffer,
+ int offset, size_t count)
+{
+ struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
+ struct onenand_chip *this = mtd->priv;
+ dma_addr_t dma_src, dma_dst;
+ int bram_offset;
+
+ bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset;
+ /* DMA is not used. Revisit PM requirements before enabling it. */
+ if (1 || (c->dma_channel < 0) ||
+ ((void *) buffer >= (void *) high_memory) || (bram_offset & 3) ||
+ (((unsigned int) buffer) & 3) || (count < 1024) || (count & 3)) {
+ memcpy((__force void *)(this->base + bram_offset), buffer,
+ count);
+ return 0;
+ }
+
+ dma_src = dma_map_single(&c->pdev->dev, (void *) buffer, count,
+ DMA_TO_DEVICE);
+ dma_dst = c->phys_base + bram_offset;
+ if (dma_mapping_error(&c->pdev->dev, dma_dst)) {
+ dev_err(&c->pdev->dev,
+ "Couldn't DMA map a %d byte buffer\n",
+ count);
+ return -1;
+ }
+
+ omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S16,
+ count / 2, 1, 0, 0, 0);
+ omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+ dma_src, 0, 0);
+ omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+ dma_dst, 0, 0);
+
+ INIT_COMPLETION(c->dma_done);
+ omap_start_dma(c->dma_channel);
+ wait_for_completion(&c->dma_done);
+
+ dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_TO_DEVICE);
+
+ return 0;
+}
+
+#else
+
+int omap2_onenand_read_bufferram(struct mtd_info *mtd, int area,
+ unsigned char *buffer, int offset,
+ size_t count);
+
+int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area,
+ const unsigned char *buffer,
+ int offset, size_t count);
+
+#endif
+
+static struct platform_driver omap2_onenand_driver;
+
+static int __adjust_timing(struct device *dev, void *data)
+{
+ int ret = 0;
+ struct omap2_onenand *c;
+
+ c = dev_get_drvdata(dev);
+
+ BUG_ON(c->setup == NULL);
+
+ /* DMA is not in use so this is all that is needed */
+ /* Revisit for OMAP3! */
+ ret = c->setup(c->onenand.base, c->freq);
+
+ return ret;
+}
+
+int omap2_onenand_rephase(void)
+{
+ return driver_for_each_device(&omap2_onenand_driver.driver, NULL,
+ NULL, __adjust_timing);
+}
+
+static void __devexit omap2_onenand_shutdown(struct platform_device *pdev)
+{
+ struct omap2_onenand *c = dev_get_drvdata(&pdev->dev);
+
+ /* With certain content in the buffer RAM, the OMAP boot ROM code
+ * can recognize the flash chip incorrectly. Zero it out before
+ * soft reset.
+ */
+ memset((__force void *)c->onenand.base, 0, ONENAND_BUFRAM_SIZE);
+}
+
+static int __devinit omap2_onenand_probe(struct platform_device *pdev)
+{
+ struct omap_onenand_platform_data *pdata;
+ struct omap2_onenand *c;
+ int r;
+
+ pdata = pdev->dev.platform_data;
+ if (pdata == NULL) {
+ dev_err(&pdev->dev, "platform data missing\n");
+ return -ENODEV;
+ }
+
+ c = kzalloc(sizeof(struct omap2_onenand), GFP_KERNEL);
+ if (!c)
+ return -ENOMEM;
+
+ init_completion(&c->irq_done);
+ init_completion(&c->dma_done);
+ c->gpmc_cs = pdata->cs;
+ c->gpio_irq = pdata->gpio_irq;
+ c->dma_channel = pdata->dma_channel;
+ if (c->dma_channel < 0) {
+ /* if -1, don't use DMA */
+ c->gpio_irq = 0;
+ }
+
+ r = gpmc_cs_request(c->gpmc_cs, ONENAND_IO_SIZE, &c->phys_base);
+ if (r < 0) {
+ dev_err(&pdev->dev, "Cannot request GPMC CS\n");
+ goto err_kfree;
+ }
+
+ if (request_mem_region(c->phys_base, ONENAND_IO_SIZE,
+ pdev->dev.driver->name) == NULL) {
+ dev_err(&pdev->dev, "Cannot reserve memory region at 0x%08lx, "
+ "size: 0x%x\n", c->phys_base, ONENAND_IO_SIZE);
+ r = -EBUSY;
+ goto err_free_cs;
+ }
+ c->onenand.base = ioremap(c->phys_base, ONENAND_IO_SIZE);
+ if (c->onenand.base == NULL) {
+ r = -ENOMEM;
+ goto err_release_mem_region;
+ }
+
+ if (pdata->onenand_setup != NULL) {
+ r = pdata->onenand_setup(c->onenand.base, c->freq);
+ if (r < 0) {
+ dev_err(&pdev->dev, "Onenand platform setup failed: "
+ "%d\n", r);
+ goto err_iounmap;
+ }
+ c->setup = pdata->onenand_setup;
+ }
+
+ if (c->gpio_irq) {
+ if ((r = omap_request_gpio(c->gpio_irq)) < 0) {
+ dev_err(&pdev->dev, "Failed to request GPIO%d for "
+ "OneNAND\n", c->gpio_irq);
+ goto err_iounmap;
+ }
+ omap_set_gpio_direction(c->gpio_irq, 1);
+
+ if ((r = request_irq(OMAP_GPIO_IRQ(c->gpio_irq),
+ omap2_onenand_interrupt, IRQF_TRIGGER_RISING,
+ pdev->dev.driver->name, c)) < 0)
+ goto err_release_gpio;
+ }
+
+ if (c->dma_channel >= 0) {
+ r = omap_request_dma(0, pdev->dev.driver->name,
+ omap2_onenand_dma_cb, (void *) c,
+ &c->dma_channel);
+ if (r == 0) {
+ omap_set_dma_write_mode(c->dma_channel,
+ OMAP_DMA_WRITE_NON_POSTED);
+ omap_set_dma_src_data_pack(c->dma_channel, 1);
+ omap_set_dma_src_burst_mode(c->dma_channel,
+ OMAP_DMA_DATA_BURST_8);
+ omap_set_dma_dest_data_pack(c->dma_channel, 1);
+ omap_set_dma_dest_burst_mode(c->dma_channel,
+ OMAP_DMA_DATA_BURST_8);
+ } else {
+ dev_info(&pdev->dev,
+ "failed to allocate DMA for OneNAND, "
+ "using PIO instead\n");
+ c->dma_channel = -1;
+ }
+ }
+
+ dev_info(&pdev->dev, "initializing on CS%d, phys base 0x%08lx, virtual "
+ "base %p\n", c->gpmc_cs, c->phys_base,
+ c->onenand.base);
+
+ c->pdev = pdev;
+ c->mtd.name = pdev->dev.bus_id;
+ c->mtd.priv = &c->onenand;
+ c->mtd.owner = THIS_MODULE;
+
+ if (c->dma_channel >= 0) {
+ struct onenand_chip *this = &c->onenand;
+
+ this->wait = omap2_onenand_wait;
+ if (cpu_is_omap34xx()) {
+ this->read_bufferram = omap3_onenand_read_bufferram;
+ this->write_bufferram = omap3_onenand_write_bufferram;
+ } else {
+ this->read_bufferram = omap2_onenand_read_bufferram;
+ this->write_bufferram = omap2_onenand_write_bufferram;
+ }
+ }
+
+ if ((r = onenand_scan(&c->mtd, 1)) < 0)
+ goto err_release_dma;
+
+ switch ((c->onenand.version_id >> 4) & 0xf) {
+ case 0:
+ c->freq = 40;
+ break;
+ case 1:
+ c->freq = 54;
+ break;
+ case 2:
+ c->freq = 66;
+ break;
+ case 3:
+ c->freq = 83;
+ break;
+ }
+
+#ifdef CONFIG_MTD_PARTITIONS
+ if (pdata->parts != NULL)
+ r = add_mtd_partitions(&c->mtd, pdata->parts,
+ pdata->nr_parts);
+ else
+#endif
+ r = add_mtd_device(&c->mtd);
+ if (r < 0)
+ goto err_release_onenand;
+
+ platform_set_drvdata(pdev, c);
+
+ return 0;
+
+err_release_onenand:
+ onenand_release(&c->mtd);
+err_release_dma:
+ if (c->dma_channel != -1)
+ omap_free_dma(c->dma_channel);
+ if (c->gpio_irq)
+ free_irq(OMAP_GPIO_IRQ(c->gpio_irq), c);
+err_release_gpio:
+ if (c->gpio_irq)
+ omap_free_gpio(c->gpio_irq);
+err_iounmap:
+ iounmap(c->onenand.base);
+err_release_mem_region:
+ release_mem_region(c->phys_base, ONENAND_IO_SIZE);
+err_free_cs:
+ gpmc_cs_free(c->gpmc_cs);
+err_kfree:
+ kfree(c);
+
+ return r;
+}
+
+static int __devexit omap2_onenand_remove(struct platform_device *pdev)
+{
+ struct omap2_onenand *c = dev_get_drvdata(&pdev->dev);
+
+ BUG_ON(c == NULL);
+
+#ifdef CONFIG_MTD_PARTITIONS
+ if (c->parts)
+ del_mtd_partitions(&c->mtd);
+ else
+ del_mtd_device(&c->mtd);
+#else
+ del_mtd_device(&c->mtd);
+#endif
+
+ onenand_release(&c->mtd);
+ if (c->dma_channel != -1)
+ omap_free_dma(c->dma_channel);
+ omap2_onenand_shutdown(pdev);
+ platform_set_drvdata(pdev, NULL);
+ if (c->gpio_irq) {
+ free_irq(OMAP_GPIO_IRQ(c->gpio_irq), c);
+ omap_free_gpio(c->gpio_irq);
+ }
+ iounmap(c->onenand.base);
+ release_mem_region(c->phys_base, ONENAND_IO_SIZE);
+ kfree(c);
+
+ return 0;
+}
+
+static struct platform_driver omap2_onenand_driver = {
+ .probe = omap2_onenand_probe,
+ .remove = omap2_onenand_remove,
+ .shutdown = omap2_onenand_shutdown,
+ .driver = {
+ .name = DRIVER_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init omap2_onenand_init(void)
+{
+ printk(KERN_INFO "OneNAND driver initializing\n");
+ return platform_driver_register(&omap2_onenand_driver);
+}
+
+static void __exit omap2_onenand_exit(void)
+{
+ platform_driver_unregister(&omap2_onenand_driver);
+}
+
+module_init(omap2_onenand_init);
+module_exit(omap2_onenand_exit);
+
+MODULE_ALIAS(DRIVER_NAME);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jarkko Lavinen <jarkko.lavinen@nokia.com>");
+MODULE_DESCRIPTION("Glue layer for OneNAND flash on OMAP2 / OMAP3");
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 926cf3a4135..90ed319f26e 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -1794,7 +1794,7 @@ static int onenand_erase(struct mtd_info *mtd, struct erase_info *instr)
return -EINVAL;
}
- instr->fail_addr = 0xffffffff;
+ instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN;
/* Grab the lock and see if the device is available */
onenand_get_device(mtd, FL_ERASING);
diff --git a/drivers/mtd/ssfdc.c b/drivers/mtd/ssfdc.c
index a5f3d60047d..33a5d6ed6f1 100644
--- a/drivers/mtd/ssfdc.c
+++ b/drivers/mtd/ssfdc.c
@@ -321,8 +321,7 @@ static void ssfdcr_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
DEBUG(MTD_DEBUG_LEVEL1,
"SSFDC_RO: cis_block=%d,erase_size=%d,map_len=%d,n_zones=%d\n",
ssfdc->cis_block, ssfdc->erase_size, ssfdc->map_len,
- (ssfdc->map_len + MAX_PHYS_BLK_PER_ZONE - 1) /
- MAX_PHYS_BLK_PER_ZONE);
+ DIV_ROUND_UP(ssfdc->map_len, MAX_PHYS_BLK_PER_ZONE));
/* Set geometry */
ssfdc->heads = 16;
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 03c759b4eeb..b30a0b83d7f 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -104,12 +104,9 @@ static int vol_cdev_open(struct inode *inode, struct file *file)
struct ubi_volume_desc *desc;
int vol_id = iminor(inode) - 1, mode, ubi_num;
- lock_kernel();
ubi_num = ubi_major2num(imajor(inode));
- if (ubi_num < 0) {
- unlock_kernel();
+ if (ubi_num < 0)
return ubi_num;
- }
if (file->f_mode & FMODE_WRITE)
mode = UBI_READWRITE;
@@ -119,7 +116,6 @@ static int vol_cdev_open(struct inode *inode, struct file *file)
dbg_gen("open volume %d, mode %d", vol_id, mode);
desc = ubi_open_volume(ubi_num, vol_id, mode);
- unlock_kernel();
if (IS_ERR(desc))
return PTR_ERR(desc);
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index 967bb4406df..4f2daa5bbec 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -387,7 +387,7 @@ int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_scan_info *si,
pnum, vol_id, lnum, ec, sqnum, bitflips);
sv = add_volume(si, vol_id, pnum, vid_hdr);
- if (IS_ERR(sv) < 0)
+ if (IS_ERR(sv))
return PTR_ERR(sv);
if (si->max_sqnum < sqnum)
diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index 217d0e111b2..333c8941552 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -244,8 +244,8 @@ static int vtbl_check(const struct ubi_device *ubi,
}
if (reserved_pebs > ubi->good_peb_count) {
- dbg_err("too large reserved_pebs, good PEBs %d",
- ubi->good_peb_count);
+ dbg_err("too large reserved_pebs %d, good PEBs %d",
+ reserved_pebs, ubi->good_peb_count);
err = 9;
goto bad;
}
diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 491ee16da5c..9ba295d9dd9 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -90,7 +90,7 @@ static int vortex_debug = 1;
#include <linux/eisa.h>
#include <linux/bitops.h>
#include <linux/jiffies.h>
-#include <asm/irq.h> /* For NR_IRQS only. */
+#include <asm/irq.h> /* For nr_irqs only. */
#include <asm/io.h>
#include <asm/uaccess.h>
@@ -1221,7 +1221,7 @@ static int __devinit vortex_probe1(struct device *gendev,
if (print_info)
printk(", IRQ %d\n", dev->irq);
/* Tell them about an invalid IRQ. */
- if (dev->irq <= 0 || dev->irq >= NR_IRQS)
+ if (dev->irq <= 0 || dev->irq >= nr_irqs)
printk(KERN_WARNING " *** Warning: IRQ %d is unlikely to work! ***\n",
dev->irq);
diff --git a/drivers/net/hamradio/baycom_ser_fdx.c b/drivers/net/hamradio/baycom_ser_fdx.c
index 17ac6975d70..b6a816e60c0 100644
--- a/drivers/net/hamradio/baycom_ser_fdx.c
+++ b/drivers/net/hamradio/baycom_ser_fdx.c
@@ -416,10 +416,10 @@ static int ser12_open(struct net_device *dev)
if (!dev || !bc)
return -ENXIO;
if (!dev->base_addr || dev->base_addr > 0xffff-SER12_EXTENT ||
- dev->irq < 2 || dev->irq > NR_IRQS) {
+ dev->irq < 2 || dev->irq > nr_irqs) {
printk(KERN_INFO "baycom_ser_fdx: invalid portnumber (max %u) "
"or irq (2 <= irq <= %d)\n",
- 0xffff-SER12_EXTENT, NR_IRQS);
+ 0xffff-SER12_EXTENT, nr_irqs);
return -ENXIO;
}
if (bc->baud < 300 || bc->baud > 4800) {
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index 45ae9d1191d..c17e39bc546 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -1465,7 +1465,7 @@ static void z8530_init(void)
printk(KERN_INFO "Init Z8530 driver: %u channels, IRQ", Nchips*2);
flag=" ";
- for (k = 0; k < NR_IRQS; k++)
+ for (k = 0; k < nr_irqs; k++)
if (Ivec[k].used)
{
printk("%s%d", flag, k);
@@ -1728,7 +1728,7 @@ static int scc_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
if (hwcfg.irq == 2) hwcfg.irq = 9;
- if (hwcfg.irq < 0 || hwcfg.irq >= NR_IRQS)
+ if (hwcfg.irq < 0 || hwcfg.irq >= nr_irqs)
return -EINVAL;
if (!Ivec[hwcfg.irq].used && hwcfg.irq)
@@ -2148,7 +2148,7 @@ static void __exit scc_cleanup_driver(void)
}
/* To unload the port must be closed so no real IRQ pending */
- for (k=0; k < NR_IRQS ; k++)
+ for (k = 0; k < nr_irqs ; k++)
if (Ivec[k].used) free_irq(k, NULL);
local_irq_enable();
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index b39d1cc1ef0..a24bb68887a 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -1205,11 +1205,12 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
devno = 0;
ndev->dma = -1;
- ndev->irq = platform_get_irq(pdev, 0);
- if (ndev->irq < 0) {
+ ret = platform_get_irq(pdev, 0);
+ if (ret < 0) {
ret = -ENODEV;
goto out_release;
}
+ ndev->irq = ret;
SET_NETDEV_DEV(ndev, &pdev->dev);
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 38b90e7a7ed..7914867110e 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -168,7 +168,7 @@ static int get_registers(pegasus_t * pegasus, __u16 indx, __u16 size,
netif_device_detach(pegasus->net);
if (netif_msg_drv(pegasus) && printk_ratelimit())
dev_err(&pegasus->intf->dev, "%s, status %d\n",
- __FUNCTION__, ret);
+ __func__, ret);
goto out;
}
@@ -192,7 +192,7 @@ static int set_registers(pegasus_t * pegasus, __u16 indx, __u16 size,
if (!buffer) {
if (netif_msg_drv(pegasus))
dev_warn(&pegasus->intf->dev, "out of memory in %s\n",
- __FUNCTION__);
+ __func__);
return -ENOMEM;
}
memcpy(buffer, data, size);
diff --git a/drivers/net/wan/sbni.c b/drivers/net/wan/sbni.c
index f972fef87c9..ee51b6a5e60 100644
--- a/drivers/net/wan/sbni.c
+++ b/drivers/net/wan/sbni.c
@@ -318,7 +318,7 @@ sbni_pci_probe( struct net_device *dev )
continue;
}
- if( pci_irq_line <= 0 || pci_irq_line >= NR_IRQS )
+ if (pci_irq_line <= 0 || pci_irq_line >= nr_irqs)
printk( KERN_WARNING " WARNING: The PCI BIOS assigned "
"this PCI card to IRQ %d, which is unlikely "
"to work!.\n"
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index b30e38f3a50..dcc1e9958d2 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -66,15 +66,8 @@
#undef DEBUG_CCIO_RUN_SG
#ifdef CONFIG_PROC_FS
-/*
- * CCIO_SEARCH_TIME can help measure how fast the bitmap search is.
- * impacts performance though - ditch it if you don't use it.
- */
-#define CCIO_SEARCH_TIME
-#undef CCIO_MAP_STATS
-#else
-#undef CCIO_SEARCH_TIME
-#undef CCIO_MAP_STATS
+/* depends on proc fs support. But costs CPU performance. */
+#undef CCIO_COLLECT_STATS
#endif
#include <linux/proc_fs.h>
@@ -239,12 +232,10 @@ struct ioc {
u32 res_size; /* size of resource map in bytes */
spinlock_t res_lock;
-#ifdef CCIO_SEARCH_TIME
+#ifdef CCIO_COLLECT_STATS
#define CCIO_SEARCH_SAMPLE 0x100
unsigned long avg_search[CCIO_SEARCH_SAMPLE];
unsigned long avg_idx; /* current index into avg_search */
-#endif
-#ifdef CCIO_MAP_STATS
unsigned long used_pages;
unsigned long msingle_calls;
unsigned long msingle_pages;
@@ -351,7 +342,7 @@ ccio_alloc_range(struct ioc *ioc, struct device *dev, size_t size)
unsigned int pages_needed = size >> IOVP_SHIFT;
unsigned int res_idx;
unsigned long boundary_size;
-#ifdef CCIO_SEARCH_TIME
+#ifdef CCIO_COLLECT_STATS
unsigned long cr_start = mfctl(16);
#endif
@@ -406,7 +397,7 @@ resource_found:
DBG_RES("%s() res_idx %d res_hint: %d\n",
__func__, res_idx, ioc->res_hint);
-#ifdef CCIO_SEARCH_TIME
+#ifdef CCIO_COLLECT_STATS
{
unsigned long cr_end = mfctl(16);
unsigned long tmp = cr_end - cr_start;
@@ -416,7 +407,7 @@ resource_found:
ioc->avg_search[ioc->avg_idx++] = cr_start;
ioc->avg_idx &= CCIO_SEARCH_SAMPLE - 1;
#endif
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
ioc->used_pages += pages_needed;
#endif
/*
@@ -452,7 +443,7 @@ ccio_free_range(struct ioc *ioc, dma_addr_t iova, unsigned long pages_mapped)
DBG_RES("%s(): res_idx: %d pages_mapped %d\n",
__func__, res_idx, pages_mapped);
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
ioc->used_pages -= pages_mapped;
#endif
@@ -764,7 +755,7 @@ ccio_map_single(struct device *dev, void *addr, size_t size,
size = ALIGN(size + offset, IOVP_SIZE);
spin_lock_irqsave(&ioc->res_lock, flags);
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
ioc->msingle_calls++;
ioc->msingle_pages += size >> IOVP_SHIFT;
#endif
@@ -828,7 +819,7 @@ ccio_unmap_single(struct device *dev, dma_addr_t iova, size_t size,
spin_lock_irqsave(&ioc->res_lock, flags);
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
ioc->usingle_calls++;
ioc->usingle_pages += size >> IOVP_SHIFT;
#endif
@@ -894,7 +885,7 @@ ccio_free_consistent(struct device *dev, size_t size, void *cpu_addr,
*/
#define PIDE_FLAG 0x80000000UL
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
#define IOMMU_MAP_STATS
#endif
#include "iommu-helpers.h"
@@ -938,7 +929,7 @@ ccio_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
spin_lock_irqsave(&ioc->res_lock, flags);
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
ioc->msg_calls++;
#endif
@@ -997,13 +988,13 @@ ccio_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
DBG_RUN_SG("%s() START %d entries, %08lx,%x\n",
__func__, nents, sg_virt_addr(sglist), sglist->length);
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
ioc->usg_calls++;
#endif
while(sg_dma_len(sglist) && nents--) {
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
ioc->usg_pages += sg_dma_len(sglist) >> PAGE_SHIFT;
#endif
ccio_unmap_single(dev, sg_dma_address(sglist),
@@ -1048,7 +1039,7 @@ static int ccio_proc_info(struct seq_file *m, void *p)
len += seq_printf(m, "IO PDIR size : %d bytes (%d entries)\n",
total_pages * 8, total_pages);
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
len += seq_printf(m, "IO PDIR entries : %ld free %ld used (%d%%)\n",
total_pages - ioc->used_pages, ioc->used_pages,
(int)(ioc->used_pages * 100 / total_pages));
@@ -1057,7 +1048,7 @@ static int ccio_proc_info(struct seq_file *m, void *p)
len += seq_printf(m, "Resource bitmap : %d bytes (%d pages)\n",
ioc->res_size, total_pages);
-#ifdef CCIO_SEARCH_TIME
+#ifdef CCIO_COLLECT_STATS
min = max = ioc->avg_search[0];
for(j = 0; j < CCIO_SEARCH_SAMPLE; ++j) {
avg += ioc->avg_search[j];
@@ -1070,7 +1061,7 @@ static int ccio_proc_info(struct seq_file *m, void *p)
len += seq_printf(m, " Bitmap search : %ld/%ld/%ld (min/avg/max CPU Cycles)\n",
min, avg, max);
#endif
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
len += seq_printf(m, "pci_map_single(): %8ld calls %8ld pages (avg %d/1000)\n",
ioc->msingle_calls, ioc->msingle_pages,
(int)((ioc->msingle_pages * 1000)/ioc->msingle_calls));
@@ -1088,7 +1079,7 @@ static int ccio_proc_info(struct seq_file *m, void *p)
len += seq_printf(m, "pci_unmap_sg() : %8ld calls %8ld pages (avg %d/1000)\n\n\n",
ioc->usg_calls, ioc->usg_pages,
(int)((ioc->usg_pages * 1000)/ioc->usg_calls));
-#endif /* CCIO_MAP_STATS */
+#endif /* CCIO_COLLECT_STATS */
ioc = ioc->next;
}
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index fd56128525d..3bc54b30c3a 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -298,7 +298,8 @@ struct pci_port_ops dino_port_ops = {
static void dino_disable_irq(unsigned int irq)
{
- struct dino_device *dino_dev = irq_desc[irq].chip_data;
+ struct irq_desc *desc = irq_to_desc(irq);
+ struct dino_device *dino_dev = desc->chip_data;
int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS);
DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, irq);
@@ -310,7 +311,8 @@ static void dino_disable_irq(unsigned int irq)
static void dino_enable_irq(unsigned int irq)
{
- struct dino_device *dino_dev = irq_desc[irq].chip_data;
+ struct irq_desc *desc = irq_to_desc(irq);
+ struct dino_device *dino_dev = desc->chip_data;
int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS);
u32 tmp;
diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c
index 771cef59254..7891db50c48 100644
--- a/drivers/parisc/eisa.c
+++ b/drivers/parisc/eisa.c
@@ -346,10 +346,10 @@ static int __init eisa_probe(struct parisc_device *dev)
}
/* Reserve IRQ2 */
- irq_desc[2].action = &irq2_action;
+ irq_to_desc(2)->action = &irq2_action;
for (i = 0; i < 16; i++) {
- irq_desc[i].chip = &eisa_interrupt_type;
+ irq_to_desc(i)->chip = &eisa_interrupt_type;
}
EISA_bus = 1;
diff --git a/drivers/parisc/gsc.c b/drivers/parisc/gsc.c
index f7d088b897e..e76db9e4d50 100644
--- a/drivers/parisc/gsc.c
+++ b/drivers/parisc/gsc.c
@@ -108,7 +108,8 @@ int gsc_find_local_irq(unsigned int irq, int *global_irqs, int limit)
static void gsc_asic_disable_irq(unsigned int irq)
{
- struct gsc_asic *irq_dev = irq_desc[irq].chip_data;
+ struct irq_desc *desc = irq_to_desc(irq);
+ struct gsc_asic *irq_dev = desc->chip_data;
int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32);
u32 imr;
@@ -123,7 +124,8 @@ static void gsc_asic_disable_irq(unsigned int irq)
static void gsc_asic_enable_irq(unsigned int irq)
{
- struct gsc_asic *irq_dev = irq_desc[irq].chip_data;
+ struct irq_desc *desc = irq_to_desc(irq);
+ struct gsc_asic *irq_dev = desc->chip_data;
int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32);
u32 imr;
@@ -159,12 +161,14 @@ static struct hw_interrupt_type gsc_asic_interrupt_type = {
int gsc_assign_irq(struct hw_interrupt_type *type, void *data)
{
static int irq = GSC_IRQ_BASE;
+ struct irq_desc *desc;
if (irq > GSC_IRQ_MAX)
return NO_IRQ;
- irq_desc[irq].chip = type;
- irq_desc[irq].chip_data = data;
+ desc = irq_to_desc(irq);
+ desc->chip = type;
+ desc->chip_data = data;
return irq++;
}
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index 6fb3f7979f2..7beffcab274 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -619,7 +619,9 @@ iosapic_set_irt_data( struct vector_info *vi, u32 *dp0, u32 *dp1)
static struct vector_info *iosapic_get_vector(unsigned int irq)
{
- return irq_desc[irq].chip_data;
+ struct irq_desc *desc = irq_to_desc(irq);
+
+ return desc->chip_data;
}
static void iosapic_disable_irq(unsigned int irq)
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index 1e8d2d17f04..1e93c837514 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -363,7 +363,9 @@ int superio_fixup_irq(struct pci_dev *pcidev)
#endif
for (i = 0; i < 16; i++) {
- irq_desc[i].chip = &superio_interrupt_type;
+ struct irq_desc *desc = irq_to_desc(i);
+
+ desc->chip = &superio_interrupt_type;
}
/*
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 529d9d7727b..999cc4088b5 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -151,6 +151,13 @@ void pci_bus_add_devices(struct pci_bus *bus)
if (retval)
dev_err(&dev->dev, "Error creating cpuaffinity"
" file, continuing...\n");
+
+ retval = device_create_file(&child_bus->dev,
+ &dev_attr_cpulistaffinity);
+ if (retval)
+ dev_err(&dev->dev,
+ "Error creating cpulistaffinity"
+ " file, continuing...\n");
}
}
}
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index e842e756308..8b29c307f1a 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -193,7 +193,7 @@ dmar_parse_dev(struct dmar_drhd_unit *dmaru)
{
struct acpi_dmar_hardware_unit *drhd;
static int include_all;
- int ret;
+ int ret = 0;
drhd = (struct acpi_dmar_hardware_unit *) dmaru->hdr;
@@ -212,7 +212,7 @@ dmar_parse_dev(struct dmar_drhd_unit *dmaru)
include_all = 1;
}
- if (ret || (dmaru->devices_cnt == 0 && !dmaru->include_all)) {
+ if (ret) {
list_del(&dmaru->list);
kfree(dmaru);
}
@@ -289,6 +289,24 @@ dmar_table_print_dmar_entry(struct acpi_dmar_header *header)
}
}
+/**
+ * dmar_table_detect - checks to see if the platform supports DMAR devices
+ */
+static int __init dmar_table_detect(void)
+{
+ acpi_status status = AE_OK;
+
+ /* if we could find DMAR table, then there are DMAR devices */
+ status = acpi_get_table(ACPI_SIG_DMAR, 0,
+ (struct acpi_table_header **)&dmar_tbl);
+
+ if (ACPI_SUCCESS(status) && !dmar_tbl) {
+ printk (KERN_WARNING PREFIX "Unable to map DMAR\n");
+ status = AE_NOT_FOUND;
+ }
+
+ return (ACPI_SUCCESS(status) ? 1 : 0);
+}
/**
* parse_dmar_table - parses the DMA reporting table
@@ -300,6 +318,12 @@ parse_dmar_table(void)
struct acpi_dmar_header *entry_header;
int ret = 0;
+ /*
+ * Do it again, earlier dmar_tbl mapping could be mapped with
+ * fixed map.
+ */
+ dmar_table_detect();
+
dmar = (struct acpi_table_dmar *)dmar_tbl;
if (!dmar)
return -ENODEV;
@@ -373,10 +397,10 @@ dmar_find_matched_drhd_unit(struct pci_dev *dev)
int __init dmar_dev_scope_init(void)
{
- struct dmar_drhd_unit *drhd;
+ struct dmar_drhd_unit *drhd, *drhd_n;
int ret = -ENODEV;
- for_each_drhd_unit(drhd) {
+ list_for_each_entry_safe(drhd, drhd_n, &dmar_drhd_units, list) {
ret = dmar_parse_dev(drhd);
if (ret)
return ret;
@@ -384,8 +408,8 @@ int __init dmar_dev_scope_init(void)
#ifdef CONFIG_DMAR
{
- struct dmar_rmrr_unit *rmrr;
- for_each_rmrr_units(rmrr) {
+ struct dmar_rmrr_unit *rmrr, *rmrr_n;
+ list_for_each_entry_safe(rmrr, rmrr_n, &dmar_rmrr_units, list) {
ret = rmrr_parse_dev(rmrr);
if (ret)
return ret;
@@ -430,30 +454,11 @@ int __init dmar_table_init(void)
return 0;
}
-/**
- * early_dmar_detect - checks to see if the platform supports DMAR devices
- */
-int __init early_dmar_detect(void)
-{
- acpi_status status = AE_OK;
-
- /* if we could find DMAR table, then there are DMAR devices */
- status = acpi_get_table(ACPI_SIG_DMAR, 0,
- (struct acpi_table_header **)&dmar_tbl);
-
- if (ACPI_SUCCESS(status) && !dmar_tbl) {
- printk (KERN_WARNING PREFIX "Unable to map DMAR\n");
- status = AE_NOT_FOUND;
- }
-
- return (ACPI_SUCCESS(status) ? 1 : 0);
-}
-
void __init detect_intel_iommu(void)
{
int ret;
- ret = early_dmar_detect();
+ ret = dmar_table_detect();
#ifdef CONFIG_DMAR
{
@@ -479,14 +484,16 @@ void __init detect_intel_iommu(void)
" x2apic support\n");
dmar_disabled = 1;
- return;
+ goto end;
}
if (ret && !no_iommu && !iommu_detected && !swiotlb &&
!dmar_disabled)
iommu_detected = 1;
}
+end:
#endif
+ dmar_tbl = NULL;
}
diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c
index 7d27631e6e6..8cfd1c4926c 100644
--- a/drivers/pci/hotplug/ibmphp_ebda.c
+++ b/drivers/pci/hotplug/ibmphp_ebda.c
@@ -123,10 +123,8 @@ static struct ebda_pci_rsrc *alloc_ebda_pci_rsrc (void)
static void __init print_bus_info (void)
{
struct bus_info *ptr;
- struct list_head *ptr1;
- list_for_each (ptr1, &bus_info_head) {
- ptr = list_entry (ptr1, struct bus_info, bus_info_list);
+ list_for_each_entry(ptr, &bus_info_head, bus_info_list) {
debug ("%s - slot_min = %x\n", __func__, ptr->slot_min);
debug ("%s - slot_max = %x\n", __func__, ptr->slot_max);
debug ("%s - slot_count = %x\n", __func__, ptr->slot_count);
@@ -146,10 +144,8 @@ static void __init print_bus_info (void)
static void print_lo_info (void)
{
struct rio_detail *ptr;
- struct list_head *ptr1;
debug ("print_lo_info ----\n");
- list_for_each (ptr1, &rio_lo_head) {
- ptr = list_entry (ptr1, struct rio_detail, rio_detail_list);
+ list_for_each_entry(ptr, &rio_lo_head, rio_detail_list) {
debug ("%s - rio_node_id = %x\n", __func__, ptr->rio_node_id);
debug ("%s - rio_type = %x\n", __func__, ptr->rio_type);
debug ("%s - owner_id = %x\n", __func__, ptr->owner_id);
@@ -163,10 +159,8 @@ static void print_lo_info (void)
static void print_vg_info (void)
{
struct rio_detail *ptr;
- struct list_head *ptr1;
debug ("%s ---\n", __func__);
- list_for_each (ptr1, &rio_vg_head) {
- ptr = list_entry (ptr1, struct rio_detail, rio_detail_list);
+ list_for_each_entry(ptr, &rio_vg_head, rio_detail_list) {
debug ("%s - rio_node_id = %x\n", __func__, ptr->rio_node_id);
debug ("%s - rio_type = %x\n", __func__, ptr->rio_type);
debug ("%s - owner_id = %x\n", __func__, ptr->owner_id);
@@ -180,10 +174,8 @@ static void print_vg_info (void)
static void __init print_ebda_pci_rsrc (void)
{
struct ebda_pci_rsrc *ptr;
- struct list_head *ptr1;
- list_for_each (ptr1, &ibmphp_ebda_pci_rsrc_head) {
- ptr = list_entry (ptr1, struct ebda_pci_rsrc, ebda_pci_rsrc_list);
+ list_for_each_entry(ptr, &ibmphp_ebda_pci_rsrc_head, ebda_pci_rsrc_list) {
debug ("%s - rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %x\n",
__func__, ptr->rsrc_type ,ptr->bus_num, ptr->dev_fun,ptr->start_addr, ptr->end_addr);
}
@@ -192,10 +184,8 @@ static void __init print_ebda_pci_rsrc (void)
static void __init print_ibm_slot (void)
{
struct slot *ptr;
- struct list_head *ptr1;
- list_for_each (ptr1, &ibmphp_slot_head) {
- ptr = list_entry (ptr1, struct slot, ibm_slot_list);
+ list_for_each_entry(ptr, &ibmphp_slot_head, ibm_slot_list) {
debug ("%s - slot_number: %x\n", __func__, ptr->number);
}
}
@@ -203,10 +193,8 @@ static void __init print_ibm_slot (void)
static void __init print_opt_vg (void)
{
struct opt_rio *ptr;
- struct list_head *ptr1;
debug ("%s ---\n", __func__);
- list_for_each (ptr1, &opt_vg_head) {
- ptr = list_entry (ptr1, struct opt_rio, opt_rio_list);
+ list_for_each_entry(ptr, &opt_vg_head, opt_rio_list) {
debug ("%s - rio_type %x\n", __func__, ptr->rio_type);
debug ("%s - chassis_num: %x\n", __func__, ptr->chassis_num);
debug ("%s - first_slot_num: %x\n", __func__, ptr->first_slot_num);
@@ -217,13 +205,9 @@ static void __init print_opt_vg (void)
static void __init print_ebda_hpc (void)
{
struct controller *hpc_ptr;
- struct list_head *ptr1;
u16 index;
- list_for_each (ptr1, &ebda_hpc_head) {
-
- hpc_ptr = list_entry (ptr1, struct controller, ebda_hpc_list);
-
+ list_for_each_entry(hpc_ptr, &ebda_hpc_head, ebda_hpc_list) {
for (index = 0; index < hpc_ptr->slot_count; index++) {
debug ("%s - physical slot#: %x\n", __func__, hpc_ptr->slots[index].slot_num);
debug ("%s - pci bus# of the slot: %x\n", __func__, hpc_ptr->slots[index].slot_bus_num);
@@ -460,9 +444,7 @@ static int __init ebda_rio_table (void)
static struct opt_rio *search_opt_vg (u8 chassis_num)
{
struct opt_rio *ptr;
- struct list_head *ptr1;
- list_for_each (ptr1, &opt_vg_head) {
- ptr = list_entry (ptr1, struct opt_rio, opt_rio_list);
+ list_for_each_entry(ptr, &opt_vg_head, opt_rio_list) {
if (ptr->chassis_num == chassis_num)
return ptr;
}
@@ -473,10 +455,8 @@ static int __init combine_wpg_for_chassis (void)
{
struct opt_rio *opt_rio_ptr = NULL;
struct rio_detail *rio_detail_ptr = NULL;
- struct list_head *list_head_ptr = NULL;
- list_for_each (list_head_ptr, &rio_vg_head) {
- rio_detail_ptr = list_entry (list_head_ptr, struct rio_detail, rio_detail_list);
+ list_for_each_entry(rio_detail_ptr, &rio_vg_head, rio_detail_list) {
opt_rio_ptr = search_opt_vg (rio_detail_ptr->chassis_num);
if (!opt_rio_ptr) {
opt_rio_ptr = kzalloc(sizeof(struct opt_rio), GFP_KERNEL);
@@ -497,14 +477,12 @@ static int __init combine_wpg_for_chassis (void)
}
/*
- * reorgnizing linked list of expansion box
+ * reorganizing linked list of expansion box
*/
static struct opt_rio_lo *search_opt_lo (u8 chassis_num)
{
struct opt_rio_lo *ptr;
- struct list_head *ptr1;
- list_for_each (ptr1, &opt_lo_head) {
- ptr = list_entry (ptr1, struct opt_rio_lo, opt_rio_lo_list);
+ list_for_each_entry(ptr, &opt_lo_head, opt_rio_lo_list) {
if (ptr->chassis_num == chassis_num)
return ptr;
}
@@ -515,10 +493,8 @@ static int combine_wpg_for_expansion (void)
{
struct opt_rio_lo *opt_rio_lo_ptr = NULL;
struct rio_detail *rio_detail_ptr = NULL;
- struct list_head *list_head_ptr = NULL;
- list_for_each (list_head_ptr, &rio_lo_head) {
- rio_detail_ptr = list_entry (list_head_ptr, struct rio_detail, rio_detail_list);
+ list_for_each_entry(rio_detail_ptr, &rio_lo_head, rio_detail_list) {
opt_rio_lo_ptr = search_opt_lo (rio_detail_ptr->chassis_num);
if (!opt_rio_lo_ptr) {
opt_rio_lo_ptr = kzalloc(sizeof(struct opt_rio_lo), GFP_KERNEL);
@@ -550,20 +526,17 @@ static int first_slot_num (u8 slot_num, u8 first_slot, u8 var)
{
struct opt_rio *opt_vg_ptr = NULL;
struct opt_rio_lo *opt_lo_ptr = NULL;
- struct list_head *ptr = NULL;
int rc = 0;
if (!var) {
- list_for_each (ptr, &opt_vg_head) {
- opt_vg_ptr = list_entry (ptr, struct opt_rio, opt_rio_list);
+ list_for_each_entry(opt_vg_ptr, &opt_vg_head, opt_rio_list) {
if ((first_slot < opt_vg_ptr->first_slot_num) && (slot_num >= opt_vg_ptr->first_slot_num)) {
rc = -ENODEV;
break;
}
}
} else {
- list_for_each (ptr, &opt_lo_head) {
- opt_lo_ptr = list_entry (ptr, struct opt_rio_lo, opt_rio_lo_list);
+ list_for_each_entry(opt_lo_ptr, &opt_lo_head, opt_rio_lo_list) {
if ((first_slot < opt_lo_ptr->first_slot_num) && (slot_num >= opt_lo_ptr->first_slot_num)) {
rc = -ENODEV;
break;
@@ -576,10 +549,8 @@ static int first_slot_num (u8 slot_num, u8 first_slot, u8 var)
static struct opt_rio_lo * find_rxe_num (u8 slot_num)
{
struct opt_rio_lo *opt_lo_ptr;
- struct list_head *ptr;
- list_for_each (ptr, &opt_lo_head) {
- opt_lo_ptr = list_entry (ptr, struct opt_rio_lo, opt_rio_lo_list);
+ list_for_each_entry(opt_lo_ptr, &opt_lo_head, opt_rio_lo_list) {
//check to see if this slot_num belongs to expansion box
if ((slot_num >= opt_lo_ptr->first_slot_num) && (!first_slot_num (slot_num, opt_lo_ptr->first_slot_num, 1)))
return opt_lo_ptr;
@@ -590,10 +561,8 @@ static struct opt_rio_lo * find_rxe_num (u8 slot_num)
static struct opt_rio * find_chassis_num (u8 slot_num)
{
struct opt_rio *opt_vg_ptr;
- struct list_head *ptr;
- list_for_each (ptr, &opt_vg_head) {
- opt_vg_ptr = list_entry (ptr, struct opt_rio, opt_rio_list);
+ list_for_each_entry(opt_vg_ptr, &opt_vg_head, opt_rio_list) {
//check to see if this slot_num belongs to chassis
if ((slot_num >= opt_vg_ptr->first_slot_num) && (!first_slot_num (slot_num, opt_vg_ptr->first_slot_num, 0)))
return opt_vg_ptr;
@@ -607,11 +576,9 @@ static struct opt_rio * find_chassis_num (u8 slot_num)
static u8 calculate_first_slot (u8 slot_num)
{
u8 first_slot = 1;
- struct list_head * list;
struct slot * slot_cur;
- list_for_each (list, &ibmphp_slot_head) {
- slot_cur = list_entry (list, struct slot, ibm_slot_list);
+ list_for_each_entry(slot_cur, &ibmphp_slot_head, ibm_slot_list) {
if (slot_cur->ctrl) {
if ((slot_cur->ctrl->ctlr_type != 4) && (slot_cur->ctrl->ending_slot_num > first_slot) && (slot_num > slot_cur->ctrl->ending_slot_num))
first_slot = slot_cur->ctrl->ending_slot_num;
@@ -767,7 +734,6 @@ static int __init ebda_rsrc_controller (void)
struct bus_info *bus_info_ptr1, *bus_info_ptr2;
int rc;
struct slot *tmp_slot;
- struct list_head *list;
addr = hpc_list_ptr->phys_addr;
for (ctlr = 0; ctlr < hpc_list_ptr->num_ctlrs; ctlr++) {
@@ -997,9 +963,7 @@ static int __init ebda_rsrc_controller (void)
} /* each hpc */
- list_for_each (list, &ibmphp_slot_head) {
- tmp_slot = list_entry (list, struct slot, ibm_slot_list);
-
+ list_for_each_entry(tmp_slot, &ibmphp_slot_head, ibm_slot_list) {
snprintf (tmp_slot->hotplug_slot->name, 30, "%s", create_file_name (tmp_slot));
pci_hp_register(tmp_slot->hotplug_slot,
pci_find_bus(0, tmp_slot->bus), tmp_slot->device);
@@ -1101,10 +1065,8 @@ u16 ibmphp_get_total_controllers (void)
struct slot *ibmphp_get_slot_from_physical_num (u8 physical_num)
{
struct slot *slot;
- struct list_head *list;
- list_for_each (list, &ibmphp_slot_head) {
- slot = list_entry (list, struct slot, ibm_slot_list);
+ list_for_each_entry(slot, &ibmphp_slot_head, ibm_slot_list) {
if (slot->number == physical_num)
return slot;
}
@@ -1120,10 +1082,8 @@ struct slot *ibmphp_get_slot_from_physical_num (u8 physical_num)
struct bus_info *ibmphp_find_same_bus_num (u32 num)
{
struct bus_info *ptr;
- struct list_head *ptr1;
- list_for_each (ptr1, &bus_info_head) {
- ptr = list_entry (ptr1, struct bus_info, bus_info_list);
+ list_for_each_entry(ptr, &bus_info_head, bus_info_list) {
if (ptr->busno == num)
return ptr;
}
@@ -1136,10 +1096,8 @@ struct bus_info *ibmphp_find_same_bus_num (u32 num)
int ibmphp_get_bus_index (u8 num)
{
struct bus_info *ptr;
- struct list_head *ptr1;
- list_for_each (ptr1, &bus_info_head) {
- ptr = list_entry (ptr1, struct bus_info, bus_info_list);
+ list_for_each_entry(ptr, &bus_info_head, bus_info_list) {
if (ptr->busno == num)
return ptr->index;
}
@@ -1212,11 +1170,9 @@ static struct pci_driver ibmphp_driver = {
int ibmphp_register_pci (void)
{
struct controller *ctrl;
- struct list_head *tmp;
int rc = 0;
- list_for_each (tmp, &ebda_hpc_head) {
- ctrl = list_entry (tmp, struct controller, ebda_hpc_list);
+ list_for_each_entry(ctrl, &ebda_hpc_head, ebda_hpc_list) {
if (ctrl->ctlr_type == 1) {
rc = pci_register_driver(&ibmphp_driver);
break;
@@ -1227,12 +1183,10 @@ int ibmphp_register_pci (void)
static int ibmphp_probe (struct pci_dev * dev, const struct pci_device_id *ids)
{
struct controller *ctrl;
- struct list_head *tmp;
debug ("inside ibmphp_probe\n");
- list_for_each (tmp, &ebda_hpc_head) {
- ctrl = list_entry (tmp, struct controller, ebda_hpc_list);
+ list_for_each_entry(ctrl, &ebda_hpc_head, ebda_hpc_list) {
if (ctrl->ctlr_type == 1) {
if ((dev->devfn == ctrl->u.pci_ctlr.dev_fun) && (dev->bus->number == ctrl->u.pci_ctlr.bus)) {
ctrl->ctrl_dev = dev;
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index 5f85b1b120e..2e6c4474644 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -102,13 +102,13 @@ static int get_##name (struct hotplug_slot *slot, type *value) \
{ \
struct hotplug_slot_ops *ops = slot->ops; \
int retval = 0; \
- if (try_module_get(ops->owner)) { \
- if (ops->get_##name) \
- retval = ops->get_##name(slot, value); \
- else \
- *value = slot->info->name; \
- module_put(ops->owner); \
- } \
+ if (!try_module_get(ops->owner)) \
+ return -ENODEV; \
+ if (ops->get_##name) \
+ retval = ops->get_##name(slot, value); \
+ else \
+ *value = slot->info->name; \
+ module_put(ops->owner); \
return retval; \
}
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 9e6cec67e1c..c367978bd7f 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -57,6 +57,19 @@ extern struct workqueue_struct *pciehp_wq;
#define warn(format, arg...) \
printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
+#define ctrl_dbg(ctrl, format, arg...) \
+ do { \
+ if (pciehp_debug) \
+ dev_printk(, &ctrl->pcie->device, \
+ format, ## arg); \
+ } while (0)
+#define ctrl_err(ctrl, format, arg...) \
+ dev_err(&ctrl->pcie->device, format, ## arg)
+#define ctrl_info(ctrl, format, arg...) \
+ dev_info(&ctrl->pcie->device, format, ## arg)
+#define ctrl_warn(ctrl, format, arg...) \
+ dev_warn(&ctrl->pcie->device, format, ## arg)
+
#define SLOT_NAME_SIZE 10
struct slot {
u8 bus;
@@ -87,6 +100,7 @@ struct controller {
int num_slots; /* Number of slots on ctlr */
int slot_num_inc; /* 1 or -1 */
struct pci_dev *pci_dev;
+ struct pcie_device *pcie; /* PCI Express port service */
struct list_head slot_list;
struct hpc_ops *hpc_ops;
wait_queue_head_t queue; /* sleep & wake process */
@@ -170,7 +184,7 @@ static inline struct slot *pciehp_find_slot(struct controller *ctrl, u8 device)
return slot;
}
- err("%s: slot (device=0x%x) not found\n", __func__, device);
+ ctrl_err(ctrl, "%s: slot (device=0x%x) not found\n", __func__, device);
return NULL;
}
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 4fd5355bc3b..c748a19db89 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -144,9 +144,10 @@ set_lock_exit:
* sysfs interface which allows the user to toggle the Electro Mechanical
* Interlock. Valid values are either 0 or 1. 0 == unlock, 1 == lock
*/
-static ssize_t lock_write_file(struct hotplug_slot *slot, const char *buf,
- size_t count)
+static ssize_t lock_write_file(struct hotplug_slot *hotplug_slot,
+ const char *buf, size_t count)
{
+ struct slot *slot = hotplug_slot->private;
unsigned long llock;
u8 lock;
int retval = 0;
@@ -157,10 +158,11 @@ static ssize_t lock_write_file(struct hotplug_slot *slot, const char *buf,
switch (lock) {
case 0:
case 1:
- retval = set_lock_status(slot, lock);
+ retval = set_lock_status(hotplug_slot, lock);
break;
default:
- err ("%d is an invalid lock value\n", lock);
+ ctrl_err(slot->ctrl, "%d is an invalid lock value\n",
+ lock);
retval = -EINVAL;
}
if (retval)
@@ -180,7 +182,10 @@ static struct hotplug_slot_attribute hotplug_slot_attr_lock = {
*/
static void release_slot(struct hotplug_slot *hotplug_slot)
{
- dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+ struct slot *slot = hotplug_slot->private;
+
+ ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ __func__, hotplug_slot->name);
kfree(hotplug_slot->info);
kfree(hotplug_slot);
@@ -215,9 +220,9 @@ static int init_slots(struct controller *ctrl)
get_adapter_status(hotplug_slot, &info->adapter_status);
slot->hotplug_slot = hotplug_slot;
- dbg("Registering bus=%x dev=%x hp_slot=%x sun=%x "
- "slot_device_offset=%x\n", slot->bus, slot->device,
- slot->hp_slot, slot->number, ctrl->slot_device_offset);
+ ctrl_dbg(ctrl, "Registering bus=%x dev=%x hp_slot=%x sun=%x "
+ "slot_device_offset=%x\n", slot->bus, slot->device,
+ slot->hp_slot, slot->number, ctrl->slot_device_offset);
duplicate_name:
retval = pci_hp_register(hotplug_slot,
ctrl->pci_dev->subordinate,
@@ -233,9 +238,11 @@ duplicate_name:
if (len < SLOT_NAME_SIZE)
goto duplicate_name;
else
- err("duplicate slot name overflow\n");
+ ctrl_err(ctrl, "duplicate slot name "
+ "overflow\n");
}
- err("pci_hp_register failed with error %d\n", retval);
+ ctrl_err(ctrl, "pci_hp_register failed with error %d\n",
+ retval);
goto error_info;
}
/* create additional sysfs entries */
@@ -244,7 +251,8 @@ duplicate_name:
&hotplug_slot_attr_lock.attr);
if (retval) {
pci_hp_deregister(hotplug_slot);
- err("cannot create additional sysfs entries\n");
+ ctrl_err(ctrl, "cannot create additional sysfs "
+ "entries\n");
goto error_info;
}
}
@@ -278,7 +286,8 @@ static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status)
{
struct slot *slot = hotplug_slot->private;
- dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+ ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ __func__, hotplug_slot->name);
hotplug_slot->info->attention_status = status;
@@ -293,7 +302,8 @@ static int enable_slot(struct hotplug_slot *hotplug_slot)
{
struct slot *slot = hotplug_slot->private;
- dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+ ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ __func__, hotplug_slot->name);
return pciehp_sysfs_enable_slot(slot);
}
@@ -303,7 +313,8 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
{
struct slot *slot = hotplug_slot->private;
- dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+ ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ __func__, hotplug_slot->name);
return pciehp_sysfs_disable_slot(slot);
}
@@ -313,7 +324,8 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
struct slot *slot = hotplug_slot->private;
int retval;
- dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+ ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ __func__, hotplug_slot->name);
retval = slot->hpc_ops->get_power_status(slot, value);
if (retval < 0)
@@ -327,7 +339,8 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
struct slot *slot = hotplug_slot->private;
int retval;
- dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+ ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ __func__, hotplug_slot->name);
retval = slot->hpc_ops->get_attention_status(slot, value);
if (retval < 0)
@@ -341,7 +354,8 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
struct slot *slot = hotplug_slot->private;
int retval;
- dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+ ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ __func__, hotplug_slot->name);
retval = slot->hpc_ops->get_latch_status(slot, value);
if (retval < 0)
@@ -355,7 +369,8 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
struct slot *slot = hotplug_slot->private;
int retval;
- dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+ ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ __func__, hotplug_slot->name);
retval = slot->hpc_ops->get_adapter_status(slot, value);
if (retval < 0)
@@ -370,7 +385,8 @@ static int get_max_bus_speed(struct hotplug_slot *hotplug_slot,
struct slot *slot = hotplug_slot->private;
int retval;
- dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+ ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ __func__, hotplug_slot->name);
retval = slot->hpc_ops->get_max_bus_speed(slot, value);
if (retval < 0)
@@ -384,7 +400,8 @@ static int get_cur_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_spe
struct slot *slot = hotplug_slot->private;
int retval;
- dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+ ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+ __func__, hotplug_slot->name);
retval = slot->hpc_ops->get_cur_bus_speed(slot, value);
if (retval < 0)
@@ -402,14 +419,15 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
struct pci_dev *pdev = dev->port;
if (pciehp_force)
- dbg("Bypassing BIOS check for pciehp use on %s\n",
- pci_name(pdev));
+ dev_info(&dev->device,
+ "Bypassing BIOS check for pciehp use on %s\n",
+ pci_name(pdev));
else if (pciehp_get_hp_hw_control_from_firmware(pdev))
goto err_out_none;
ctrl = pcie_init(dev);
if (!ctrl) {
- dbg("%s: controller initialization failed\n", PCIE_MODULE_NAME);
+ dev_err(&dev->device, "controller initialization failed\n");
goto err_out_none;
}
set_service_data(dev, ctrl);
@@ -418,11 +436,10 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
rc = init_slots(ctrl);
if (rc) {
if (rc == -EBUSY)
- warn("%s: slot already registered by another "
- "hotplug driver\n", PCIE_MODULE_NAME);
+ ctrl_warn(ctrl, "slot already registered by another "
+ "hotplug driver\n");
else
- err("%s: slot initialization failed\n",
- PCIE_MODULE_NAME);
+ ctrl_err(ctrl, "slot initialization failed\n");
goto err_out_release_ctlr;
}
@@ -461,13 +478,13 @@ static void pciehp_remove (struct pcie_device *dev)
#ifdef CONFIG_PM
static int pciehp_suspend (struct pcie_device *dev, pm_message_t state)
{
- printk("%s ENTRY\n", __func__);
+ dev_info(&dev->device, "%s ENTRY\n", __func__);
return 0;
}
static int pciehp_resume (struct pcie_device *dev)
{
- printk("%s ENTRY\n", __func__);
+ dev_info(&dev->device, "%s ENTRY\n", __func__);
if (pciehp_force) {
struct controller *ctrl = get_service_data(dev);
struct slot *t_slot;
@@ -497,10 +514,9 @@ static struct pcie_port_service_id port_pci_ids[] = { {
.driver_data = 0,
}, { /* end: all zeroes */ }
};
-static const char device_name[] = "hpdriver";
static struct pcie_port_service_driver hpdriver_portdrv = {
- .name = (char *)device_name,
+ .name = PCIE_MODULE_NAME,
.id_table = &port_pci_ids[0],
.probe = pciehp_probe,
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 96a5d55a498..acb7f9efd18 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -58,14 +58,15 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
u8 pciehp_handle_attention_button(struct slot *p_slot)
{
u32 event_type;
+ struct controller *ctrl = p_slot->ctrl;
/* Attention Button Change */
- dbg("pciehp: Attention button interrupt received.\n");
+ ctrl_dbg(ctrl, "Attention button interrupt received.\n");
/*
* Button pressed - See if need to TAKE ACTION!!!
*/
- info("Button pressed on Slot(%s)\n", p_slot->name);
+ ctrl_info(ctrl, "Button pressed on Slot(%s)\n", p_slot->name);
event_type = INT_BUTTON_PRESS;
queue_interrupt_event(p_slot, event_type);
@@ -77,22 +78,23 @@ u8 pciehp_handle_switch_change(struct slot *p_slot)
{
u8 getstatus;
u32 event_type;
+ struct controller *ctrl = p_slot->ctrl;
/* Switch Change */
- dbg("pciehp: Switch interrupt received.\n");
+ ctrl_dbg(ctrl, "Switch interrupt received.\n");
p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
if (getstatus) {
/*
* Switch opened
*/
- info("Latch open on Slot(%s)\n", p_slot->name);
+ ctrl_info(ctrl, "Latch open on Slot(%s)\n", p_slot->name);
event_type = INT_SWITCH_OPEN;
} else {
/*
* Switch closed
*/
- info("Latch close on Slot(%s)\n", p_slot->name);
+ ctrl_info(ctrl, "Latch close on Slot(%s)\n", p_slot->name);
event_type = INT_SWITCH_CLOSE;
}
@@ -105,9 +107,10 @@ u8 pciehp_handle_presence_change(struct slot *p_slot)
{
u32 event_type;
u8 presence_save;
+ struct controller *ctrl = p_slot->ctrl;
/* Presence Change */
- dbg("pciehp: Presence/Notify input change.\n");
+ ctrl_dbg(ctrl, "Presence/Notify input change.\n");
/* Switch is open, assume a presence change
* Save the presence state
@@ -117,13 +120,13 @@ u8 pciehp_handle_presence_change(struct slot *p_slot)
/*
* Card Present
*/
- info("Card present on Slot(%s)\n", p_slot->name);
+ ctrl_info(ctrl, "Card present on Slot(%s)\n", p_slot->name);
event_type = INT_PRESENCE_ON;
} else {
/*
* Not Present
*/
- info("Card not present on Slot(%s)\n", p_slot->name);
+ ctrl_info(ctrl, "Card not present on Slot(%s)\n", p_slot->name);
event_type = INT_PRESENCE_OFF;
}
@@ -135,23 +138,25 @@ u8 pciehp_handle_presence_change(struct slot *p_slot)
u8 pciehp_handle_power_fault(struct slot *p_slot)
{
u32 event_type;
+ struct controller *ctrl = p_slot->ctrl;
/* power fault */
- dbg("pciehp: Power fault interrupt received.\n");
+ ctrl_dbg(ctrl, "Power fault interrupt received.\n");
if ( !(p_slot->hpc_ops->query_power_fault(p_slot))) {
/*
* power fault Cleared
*/
- info("Power fault cleared on Slot(%s)\n", p_slot->name);
+ ctrl_info(ctrl, "Power fault cleared on Slot(%s)\n",
+ p_slot->name);
event_type = INT_POWER_FAULT_CLEAR;
} else {
/*
* power fault
*/
- info("Power fault on Slot(%s)\n", p_slot->name);
+ ctrl_info(ctrl, "Power fault on Slot(%s)\n", p_slot->name);
event_type = INT_POWER_FAULT;
- info("power fault bit %x set\n", 0);
+ ctrl_info(ctrl, "power fault bit %x set\n", 0);
}
queue_interrupt_event(p_slot, event_type);
@@ -168,8 +173,9 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot)
/* turn off slot, turn on Amber LED, turn off Green LED if supported*/
if (POWER_CTRL(ctrl)) {
if (pslot->hpc_ops->power_off_slot(pslot)) {
- err("%s: Issue of Slot Power Off command failed\n",
- __func__);
+ ctrl_err(ctrl,
+ "%s: Issue of Slot Power Off command failed\n",
+ __func__);
return;
}
}
@@ -186,8 +192,8 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot)
if (ATTN_LED(ctrl)) {
if (pslot->hpc_ops->set_attention_status(pslot, 1)) {
- err("%s: Issue of Set Attention Led command failed\n",
- __func__);
+ ctrl_err(ctrl, "%s: Issue of Set Attention "
+ "Led command failed\n", __func__);
return;
}
}
@@ -205,9 +211,9 @@ static int board_added(struct slot *p_slot)
int retval = 0;
struct controller *ctrl = p_slot->ctrl;
- dbg("%s: slot device, slot offset, hp slot = %d, %d ,%d\n",
- __func__, p_slot->device,
- ctrl->slot_device_offset, p_slot->hp_slot);
+ ctrl_dbg(ctrl, "%s: slot device, slot offset, hp slot = %d, %d ,%d\n",
+ __func__, p_slot->device, ctrl->slot_device_offset,
+ p_slot->hp_slot);
if (POWER_CTRL(ctrl)) {
/* Power on slot */
@@ -225,22 +231,22 @@ static int board_added(struct slot *p_slot)
/* Check link training status */
retval = p_slot->hpc_ops->check_lnk_status(ctrl);
if (retval) {
- err("%s: Failed to check link status\n", __func__);
+ ctrl_err(ctrl, "%s: Failed to check link status\n", __func__);
set_slot_off(ctrl, p_slot);
return retval;
}
/* Check for a power fault */
if (p_slot->hpc_ops->query_power_fault(p_slot)) {
- dbg("%s: power fault detected\n", __func__);
+ ctrl_dbg(ctrl, "%s: power fault detected\n", __func__);
retval = POWER_FAILURE;
goto err_exit;
}
retval = pciehp_configure_device(p_slot);
if (retval) {
- err("Cannot add device 0x%x:%x\n", p_slot->bus,
- p_slot->device);
+ ctrl_err(ctrl, "Cannot add device 0x%x:%x\n",
+ p_slot->bus, p_slot->device);
goto err_exit;
}
@@ -272,14 +278,14 @@ static int remove_board(struct slot *p_slot)
if (retval)
return retval;
- dbg("In %s, hp_slot = %d\n", __func__, p_slot->hp_slot);
+ ctrl_dbg(ctrl, "In %s, hp_slot = %d\n", __func__, p_slot->hp_slot);
if (POWER_CTRL(ctrl)) {
/* power off slot */
retval = p_slot->hpc_ops->power_off_slot(p_slot);
if (retval) {
- err("%s: Issue of Slot Disable command failed\n",
- __func__);
+ ctrl_err(ctrl, "%s: Issue of Slot Disable command "
+ "failed\n", __func__);
return retval;
}
}
@@ -320,8 +326,8 @@ static void pciehp_power_thread(struct work_struct *work)
switch (p_slot->state) {
case POWEROFF_STATE:
mutex_unlock(&p_slot->lock);
- dbg("%s: disabling bus:device(%x:%x)\n",
- __func__, p_slot->bus, p_slot->device);
+ ctrl_dbg(p_slot->ctrl, "%s: disabling bus:device(%x:%x)\n",
+ __func__, p_slot->bus, p_slot->device);
pciehp_disable_slot(p_slot);
mutex_lock(&p_slot->lock);
p_slot->state = STATIC_STATE;
@@ -349,7 +355,8 @@ void pciehp_queue_pushbutton_work(struct work_struct *work)
info = kmalloc(sizeof(*info), GFP_KERNEL);
if (!info) {
- err("%s: Cannot allocate memory\n", __func__);
+ ctrl_err(p_slot->ctrl, "%s: Cannot allocate memory\n",
+ __func__);
return;
}
info->p_slot = p_slot;
@@ -403,12 +410,14 @@ static void handle_button_press_event(struct slot *p_slot)
p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
if (getstatus) {
p_slot->state = BLINKINGOFF_STATE;
- info("PCI slot #%s - powering off due to button "
- "press.\n", p_slot->name);
+ ctrl_info(ctrl,
+ "PCI slot #%s - powering off due to button "
+ "press.\n", p_slot->name);
} else {
p_slot->state = BLINKINGON_STATE;
- info("PCI slot #%s - powering on due to button "
- "press.\n", p_slot->name);
+ ctrl_info(ctrl,
+ "PCI slot #%s - powering on due to button "
+ "press.\n", p_slot->name);
}
/* blink green LED and turn off amber */
if (PWR_LED(ctrl))
@@ -425,8 +434,8 @@ static void handle_button_press_event(struct slot *p_slot)
* press the attention again before the 5 sec. limit
* expires to cancel hot-add or hot-remove
*/
- info("Button cancel on Slot(%s)\n", p_slot->name);
- dbg("%s: button cancel\n", __func__);
+ ctrl_info(ctrl, "Button cancel on Slot(%s)\n", p_slot->name);
+ ctrl_dbg(ctrl, "%s: button cancel\n", __func__);
cancel_delayed_work(&p_slot->work);
if (p_slot->state == BLINKINGOFF_STATE) {
if (PWR_LED(ctrl))
@@ -437,8 +446,8 @@ static void handle_button_press_event(struct slot *p_slot)
}
if (ATTN_LED(ctrl))
p_slot->hpc_ops->set_attention_status(p_slot, 0);
- info("PCI slot #%s - action canceled due to button press\n",
- p_slot->name);
+ ctrl_info(ctrl, "PCI slot #%s - action canceled "
+ "due to button press\n", p_slot->name);
p_slot->state = STATIC_STATE;
break;
case POWEROFF_STATE:
@@ -448,11 +457,11 @@ static void handle_button_press_event(struct slot *p_slot)
* this means that the previous attention button action
* to hot-add or hot-remove is undergoing
*/
- info("Button ignore on Slot(%s)\n", p_slot->name);
+ ctrl_info(ctrl, "Button ignore on Slot(%s)\n", p_slot->name);
update_slot_info(p_slot);
break;
default:
- warn("Not a valid state\n");
+ ctrl_warn(ctrl, "Not a valid state\n");
break;
}
}
@@ -467,7 +476,8 @@ static void handle_surprise_event(struct slot *p_slot)
info = kmalloc(sizeof(*info), GFP_KERNEL);
if (!info) {
- err("%s: Cannot allocate memory\n", __func__);
+ ctrl_err(p_slot->ctrl, "%s: Cannot allocate memory\n",
+ __func__);
return;
}
info->p_slot = p_slot;
@@ -505,7 +515,7 @@ static void interrupt_event_handler(struct work_struct *work)
case INT_PRESENCE_OFF:
if (!HP_SUPR_RM(ctrl))
break;
- dbg("Surprise Removal\n");
+ ctrl_dbg(ctrl, "Surprise Removal\n");
update_slot_info(p_slot);
handle_surprise_event(p_slot);
break;
@@ -522,22 +532,23 @@ int pciehp_enable_slot(struct slot *p_slot)
{
u8 getstatus = 0;
int rc;
+ struct controller *ctrl = p_slot->ctrl;
/* Check to see if (latch closed, card present, power off) */
mutex_lock(&p_slot->ctrl->crit_sect);
rc = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
if (rc || !getstatus) {
- info("%s: no adapter on slot(%s)\n", __func__,
- p_slot->name);
+ ctrl_info(ctrl, "%s: no adapter on slot(%s)\n",
+ __func__, p_slot->name);
mutex_unlock(&p_slot->ctrl->crit_sect);
return -ENODEV;
}
if (MRL_SENS(p_slot->ctrl)) {
rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
if (rc || getstatus) {
- info("%s: latch open on slot(%s)\n", __func__,
- p_slot->name);
+ ctrl_info(ctrl, "%s: latch open on slot(%s)\n",
+ __func__, p_slot->name);
mutex_unlock(&p_slot->ctrl->crit_sect);
return -ENODEV;
}
@@ -546,8 +557,8 @@ int pciehp_enable_slot(struct slot *p_slot)
if (POWER_CTRL(p_slot->ctrl)) {
rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
if (rc || getstatus) {
- info("%s: already enabled on slot(%s)\n", __func__,
- p_slot->name);
+ ctrl_info(ctrl, "%s: already enabled on slot(%s)\n",
+ __func__, p_slot->name);
mutex_unlock(&p_slot->ctrl->crit_sect);
return -EINVAL;
}
@@ -571,6 +582,7 @@ int pciehp_disable_slot(struct slot *p_slot)
{
u8 getstatus = 0;
int ret = 0;
+ struct controller *ctrl = p_slot->ctrl;
if (!p_slot->ctrl)
return 1;
@@ -581,8 +593,8 @@ int pciehp_disable_slot(struct slot *p_slot)
if (!HP_SUPR_RM(p_slot->ctrl)) {
ret = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
if (ret || !getstatus) {
- info("%s: no adapter on slot(%s)\n", __func__,
- p_slot->name);
+ ctrl_info(ctrl, "%s: no adapter on slot(%s)\n",
+ __func__, p_slot->name);
mutex_unlock(&p_slot->ctrl->crit_sect);
return -ENODEV;
}
@@ -591,8 +603,8 @@ int pciehp_disable_slot(struct slot *p_slot)
if (MRL_SENS(p_slot->ctrl)) {
ret = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
if (ret || getstatus) {
- info("%s: latch open on slot(%s)\n", __func__,
- p_slot->name);
+ ctrl_info(ctrl, "%s: latch open on slot(%s)\n",
+ __func__, p_slot->name);
mutex_unlock(&p_slot->ctrl->crit_sect);
return -ENODEV;
}
@@ -601,8 +613,8 @@ int pciehp_disable_slot(struct slot *p_slot)
if (POWER_CTRL(p_slot->ctrl)) {
ret = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
if (ret || !getstatus) {
- info("%s: already disabled slot(%s)\n", __func__,
- p_slot->name);
+ ctrl_info(ctrl, "%s: already disabled slot(%s)\n",
+ __func__, p_slot->name);
mutex_unlock(&p_slot->ctrl->crit_sect);
return -EINVAL;
}
@@ -618,6 +630,7 @@ int pciehp_disable_slot(struct slot *p_slot)
int pciehp_sysfs_enable_slot(struct slot *p_slot)
{
int retval = -ENODEV;
+ struct controller *ctrl = p_slot->ctrl;
mutex_lock(&p_slot->lock);
switch (p_slot->state) {
@@ -631,15 +644,15 @@ int pciehp_sysfs_enable_slot(struct slot *p_slot)
p_slot->state = STATIC_STATE;
break;
case POWERON_STATE:
- info("Slot %s is already in powering on state\n",
- p_slot->name);
+ ctrl_info(ctrl, "Slot %s is already in powering on state\n",
+ p_slot->name);
break;
case BLINKINGOFF_STATE:
case POWEROFF_STATE:
- info("Already enabled on slot %s\n", p_slot->name);
+ ctrl_info(ctrl, "Already enabled on slot %s\n", p_slot->name);
break;
default:
- err("Not a valid state on slot %s\n", p_slot->name);
+ ctrl_err(ctrl, "Not a valid state on slot %s\n", p_slot->name);
break;
}
mutex_unlock(&p_slot->lock);
@@ -650,6 +663,7 @@ int pciehp_sysfs_enable_slot(struct slot *p_slot)
int pciehp_sysfs_disable_slot(struct slot *p_slot)
{
int retval = -ENODEV;
+ struct controller *ctrl = p_slot->ctrl;
mutex_lock(&p_slot->lock);
switch (p_slot->state) {
@@ -663,15 +677,15 @@ int pciehp_sysfs_disable_slot(struct slot *p_slot)
p_slot->state = STATIC_STATE;
break;
case POWEROFF_STATE:
- info("Slot %s is already in powering off state\n",
- p_slot->name);
+ ctrl_info(ctrl, "Slot %s is already in powering off state\n",
+ p_slot->name);
break;
case BLINKINGON_STATE:
case POWERON_STATE:
- info("Already disabled on slot %s\n", p_slot->name);
+ ctrl_info(ctrl, "Already disabled on slot %s\n", p_slot->name);
break;
default:
- err("Not a valid state on slot %s\n", p_slot->name);
+ ctrl_err(ctrl, "Not a valid state on slot %s\n", p_slot->name);
break;
}
mutex_unlock(&p_slot->lock);
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 9d934ddee95..8e9530c4c36 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -223,7 +223,7 @@ static void start_int_poll_timer(struct controller *ctrl, int sec)
static inline int pciehp_request_irq(struct controller *ctrl)
{
- int retval, irq = ctrl->pci_dev->irq;
+ int retval, irq = ctrl->pcie->irq;
/* Install interrupt polling timer. Start with 10 sec delay */
if (pciehp_poll_mode) {
@@ -235,7 +235,8 @@ static inline int pciehp_request_irq(struct controller *ctrl)
/* Installs the interrupt handler */
retval = request_irq(irq, pcie_isr, IRQF_SHARED, MY_NAME, ctrl);
if (retval)
- err("Cannot get irq %d for the hotplug controller\n", irq);
+ ctrl_err(ctrl, "Cannot get irq %d for the hotplug controller\n",
+ irq);
return retval;
}
@@ -244,7 +245,7 @@ static inline void pciehp_free_irq(struct controller *ctrl)
if (pciehp_poll_mode)
del_timer_sync(&ctrl->poll_timer);
else
- free_irq(ctrl->pci_dev->irq, ctrl);
+ free_irq(ctrl->pcie->irq, ctrl);
}
static int pcie_poll_cmd(struct controller *ctrl)
@@ -282,7 +283,7 @@ static void pcie_wait_cmd(struct controller *ctrl, int poll)
else
rc = wait_event_timeout(ctrl->queue, !ctrl->cmd_busy, timeout);
if (!rc)
- dbg("Command not completed in 1000 msec\n");
+ ctrl_dbg(ctrl, "Command not completed in 1000 msec\n");
}
/**
@@ -301,7 +302,8 @@ static int pcie_write_cmd(struct controller *ctrl, u16 cmd, u16 mask)
retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
if (retval) {
- err("%s: Cannot read SLOTSTATUS register\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot read SLOTSTATUS register\n",
+ __func__);
goto out;
}
@@ -312,26 +314,28 @@ static int pcie_write_cmd(struct controller *ctrl, u16 cmd, u16 mask)
* proceed forward to issue the next command according
* to spec. Just print out the error message.
*/
- dbg("%s: CMD_COMPLETED not clear after 1 sec.\n",
- __func__);
+ ctrl_dbg(ctrl,
+ "%s: CMD_COMPLETED not clear after 1 sec.\n",
+ __func__);
} else if (!NO_CMD_CMPL(ctrl)) {
/*
* This controller semms to notify of command completed
* event even though it supports none of power
* controller, attention led, power led and EMI.
*/
- dbg("%s: Unexpected CMD_COMPLETED. Need to wait for "
- "command completed event.\n", __func__);
+ ctrl_dbg(ctrl, "%s: Unexpected CMD_COMPLETED. Need to "
+ "wait for command completed event.\n",
+ __func__);
ctrl->no_cmd_complete = 0;
} else {
- dbg("%s: Unexpected CMD_COMPLETED. Maybe the "
- "controller is broken.\n", __func__);
+ ctrl_dbg(ctrl, "%s: Unexpected CMD_COMPLETED. Maybe "
+ "the controller is broken.\n", __func__);
}
}
retval = pciehp_readw(ctrl, SLOTCTRL, &slot_ctrl);
if (retval) {
- err("%s: Cannot read SLOTCTRL register\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot read SLOTCTRL register\n", __func__);
goto out;
}
@@ -341,7 +345,8 @@ static int pcie_write_cmd(struct controller *ctrl, u16 cmd, u16 mask)
smp_mb();
retval = pciehp_writew(ctrl, SLOTCTRL, slot_ctrl);
if (retval)
- err("%s: Cannot write to SLOTCTRL register\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot write to SLOTCTRL register\n",
+ __func__);
/*
* Wait for command completion.
@@ -370,14 +375,15 @@ static int hpc_check_lnk_status(struct controller *ctrl)
retval = pciehp_readw(ctrl, LNKSTATUS, &lnk_status);
if (retval) {
- err("%s: Cannot read LNKSTATUS register\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot read LNKSTATUS register\n",
+ __func__);
return retval;
}
- dbg("%s: lnk_status = %x\n", __func__, lnk_status);
+ ctrl_dbg(ctrl, "%s: lnk_status = %x\n", __func__, lnk_status);
if ( (lnk_status & LNK_TRN) || (lnk_status & LNK_TRN_ERR) ||
!(lnk_status & NEG_LINK_WD)) {
- err("%s : Link Training Error occurs \n", __func__);
+ ctrl_err(ctrl, "%s : Link Training Error occurs \n", __func__);
retval = -1;
return retval;
}
@@ -394,12 +400,12 @@ static int hpc_get_attention_status(struct slot *slot, u8 *status)
retval = pciehp_readw(ctrl, SLOTCTRL, &slot_ctrl);
if (retval) {
- err("%s: Cannot read SLOTCTRL register\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot read SLOTCTRL register\n", __func__);
return retval;
}
- dbg("%s: SLOTCTRL %x, value read %x\n",
- __func__, ctrl->cap_base + SLOTCTRL, slot_ctrl);
+ ctrl_dbg(ctrl, "%s: SLOTCTRL %x, value read %x\n",
+ __func__, ctrl->cap_base + SLOTCTRL, slot_ctrl);
atten_led_state = (slot_ctrl & ATTN_LED_CTRL) >> 6;
@@ -433,11 +439,11 @@ static int hpc_get_power_status(struct slot *slot, u8 *status)
retval = pciehp_readw(ctrl, SLOTCTRL, &slot_ctrl);
if (retval) {
- err("%s: Cannot read SLOTCTRL register\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot read SLOTCTRL register\n", __func__);
return retval;
}
- dbg("%s: SLOTCTRL %x value read %x\n",
- __func__, ctrl->cap_base + SLOTCTRL, slot_ctrl);
+ ctrl_dbg(ctrl, "%s: SLOTCTRL %x value read %x\n",
+ __func__, ctrl->cap_base + SLOTCTRL, slot_ctrl);
pwr_state = (slot_ctrl & PWR_CTRL) >> 10;
@@ -464,7 +470,8 @@ static int hpc_get_latch_status(struct slot *slot, u8 *status)
retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
if (retval) {
- err("%s: Cannot read SLOTSTATUS register\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot read SLOTSTATUS register\n",
+ __func__);
return retval;
}
@@ -482,7 +489,8 @@ static int hpc_get_adapter_status(struct slot *slot, u8 *status)
retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
if (retval) {
- err("%s: Cannot read SLOTSTATUS register\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot read SLOTSTATUS register\n",
+ __func__);
return retval;
}
card_state = (u8)((slot_status & PRSN_STATE) >> 6);
@@ -500,7 +508,7 @@ static int hpc_query_power_fault(struct slot *slot)
retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
if (retval) {
- err("%s: Cannot check for power fault\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot check for power fault\n", __func__);
return retval;
}
pwr_fault = (u8)((slot_status & PWR_FAULT_DETECTED) >> 1);
@@ -516,7 +524,7 @@ static int hpc_get_emi_status(struct slot *slot, u8 *status)
retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
if (retval) {
- err("%s : Cannot check EMI status\n", __func__);
+ ctrl_err(ctrl, "%s : Cannot check EMI status\n", __func__);
return retval;
}
*status = (slot_status & EMI_STATE) >> EMI_STATUS_BIT;
@@ -560,8 +568,8 @@ static int hpc_set_attention_status(struct slot *slot, u8 value)
return -1;
}
rc = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
- dbg("%s: SLOTCTRL %x write cmd %x\n",
- __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
+ ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
+ __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
return rc;
}
@@ -575,8 +583,8 @@ static void hpc_set_green_led_on(struct slot *slot)
slot_cmd = 0x0100;
cmd_mask = PWR_LED_CTRL;
pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
- dbg("%s: SLOTCTRL %x write cmd %x\n",
- __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
+ ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
+ __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
}
static void hpc_set_green_led_off(struct slot *slot)
@@ -588,8 +596,8 @@ static void hpc_set_green_led_off(struct slot *slot)
slot_cmd = 0x0300;
cmd_mask = PWR_LED_CTRL;
pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
- dbg("%s: SLOTCTRL %x write cmd %x\n",
- __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
+ ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
+ __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
}
static void hpc_set_green_led_blink(struct slot *slot)
@@ -601,8 +609,8 @@ static void hpc_set_green_led_blink(struct slot *slot)
slot_cmd = 0x0200;
cmd_mask = PWR_LED_CTRL;
pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
- dbg("%s: SLOTCTRL %x write cmd %x\n",
- __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
+ ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
+ __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
}
static int hpc_power_on_slot(struct slot * slot)
@@ -613,20 +621,22 @@ static int hpc_power_on_slot(struct slot * slot)
u16 slot_status;
int retval = 0;
- dbg("%s: slot->hp_slot %x\n", __func__, slot->hp_slot);
+ ctrl_dbg(ctrl, "%s: slot->hp_slot %x\n", __func__, slot->hp_slot);
/* Clear sticky power-fault bit from previous power failures */
retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
if (retval) {
- err("%s: Cannot read SLOTSTATUS register\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot read SLOTSTATUS register\n",
+ __func__);
return retval;
}
slot_status &= PWR_FAULT_DETECTED;
if (slot_status) {
retval = pciehp_writew(ctrl, SLOTSTATUS, slot_status);
if (retval) {
- err("%s: Cannot write to SLOTSTATUS register\n",
- __func__);
+ ctrl_err(ctrl,
+ "%s: Cannot write to SLOTSTATUS register\n",
+ __func__);
return retval;
}
}
@@ -644,11 +654,12 @@ static int hpc_power_on_slot(struct slot * slot)
retval = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
if (retval) {
- err("%s: Write %x command failed!\n", __func__, slot_cmd);
+ ctrl_err(ctrl, "%s: Write %x command failed!\n",
+ __func__, slot_cmd);
return -1;
}
- dbg("%s: SLOTCTRL %x write cmd %x\n",
- __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
+ ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
+ __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
return retval;
}
@@ -694,7 +705,7 @@ static int hpc_power_off_slot(struct slot * slot)
int retval = 0;
int changed;
- dbg("%s: slot->hp_slot %x\n", __func__, slot->hp_slot);
+ ctrl_dbg(ctrl, "%s: slot->hp_slot %x\n", __func__, slot->hp_slot);
/*
* Set Bad DLLP Mask bit in Correctable Error Mask
@@ -722,12 +733,12 @@ static int hpc_power_off_slot(struct slot * slot)
retval = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
if (retval) {
- err("%s: Write command failed!\n", __func__);
+ ctrl_err(ctrl, "%s: Write command failed!\n", __func__);
retval = -1;
goto out;
}
- dbg("%s: SLOTCTRL %x write cmd %x\n",
- __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
+ ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
+ __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
out:
if (changed)
pcie_unmask_bad_dllp(ctrl);
@@ -749,7 +760,8 @@ static irqreturn_t pcie_isr(int irq, void *dev_id)
intr_loc = 0;
do {
if (pciehp_readw(ctrl, SLOTSTATUS, &detected)) {
- err("%s: Cannot read SLOTSTATUS\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot read SLOTSTATUS\n",
+ __func__);
return IRQ_NONE;
}
@@ -760,12 +772,13 @@ static irqreturn_t pcie_isr(int irq, void *dev_id)
if (!intr_loc)
return IRQ_NONE;
if (detected && pciehp_writew(ctrl, SLOTSTATUS, detected)) {
- err("%s: Cannot write to SLOTSTATUS\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot write to SLOTSTATUS\n",
+ __func__);
return IRQ_NONE;
}
} while (detected);
- dbg("%s: intr_loc %x\n", __FUNCTION__, intr_loc);
+ ctrl_dbg(ctrl, "%s: intr_loc %x\n", __func__, intr_loc);
/* Check Command Complete Interrupt Pending */
if (intr_loc & CMD_COMPLETED) {
@@ -807,7 +820,7 @@ static int hpc_get_max_lnk_speed(struct slot *slot, enum pci_bus_speed *value)
retval = pciehp_readl(ctrl, LNKCAP, &lnk_cap);
if (retval) {
- err("%s: Cannot read LNKCAP register\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot read LNKCAP register\n", __func__);
return retval;
}
@@ -821,7 +834,7 @@ static int hpc_get_max_lnk_speed(struct slot *slot, enum pci_bus_speed *value)
}
*value = lnk_speed;
- dbg("Max link speed = %d\n", lnk_speed);
+ ctrl_dbg(ctrl, "Max link speed = %d\n", lnk_speed);
return retval;
}
@@ -836,7 +849,7 @@ static int hpc_get_max_lnk_width(struct slot *slot,
retval = pciehp_readl(ctrl, LNKCAP, &lnk_cap);
if (retval) {
- err("%s: Cannot read LNKCAP register\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot read LNKCAP register\n", __func__);
return retval;
}
@@ -871,7 +884,7 @@ static int hpc_get_max_lnk_width(struct slot *slot,
}
*value = lnk_wdth;
- dbg("Max link width = %d\n", lnk_wdth);
+ ctrl_dbg(ctrl, "Max link width = %d\n", lnk_wdth);
return retval;
}
@@ -885,7 +898,8 @@ static int hpc_get_cur_lnk_speed(struct slot *slot, enum pci_bus_speed *value)
retval = pciehp_readw(ctrl, LNKSTATUS, &lnk_status);
if (retval) {
- err("%s: Cannot read LNKSTATUS register\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot read LNKSTATUS register\n",
+ __func__);
return retval;
}
@@ -899,7 +913,7 @@ static int hpc_get_cur_lnk_speed(struct slot *slot, enum pci_bus_speed *value)
}
*value = lnk_speed;
- dbg("Current link speed = %d\n", lnk_speed);
+ ctrl_dbg(ctrl, "Current link speed = %d\n", lnk_speed);
return retval;
}
@@ -914,7 +928,8 @@ static int hpc_get_cur_lnk_width(struct slot *slot,
retval = pciehp_readw(ctrl, LNKSTATUS, &lnk_status);
if (retval) {
- err("%s: Cannot read LNKSTATUS register\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot read LNKSTATUS register\n",
+ __func__);
return retval;
}
@@ -949,7 +964,7 @@ static int hpc_get_cur_lnk_width(struct slot *slot,
}
*value = lnk_wdth;
- dbg("Current link width = %d\n", lnk_wdth);
+ ctrl_dbg(ctrl, "Current link width = %d\n", lnk_wdth);
return retval;
}
@@ -998,7 +1013,8 @@ int pcie_enable_notification(struct controller *ctrl)
PWR_FAULT_DETECT_ENABLE | HP_INTR_ENABLE | CMD_CMPL_INTR_ENABLE;
if (pcie_write_cmd(ctrl, cmd, mask)) {
- err("%s: Cannot enable software notification\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot enable software notification\n",
+ __func__);
return -1;
}
return 0;
@@ -1010,7 +1026,8 @@ static void pcie_disable_notification(struct controller *ctrl)
mask = PRSN_DETECT_ENABLE | ATTN_BUTTN_ENABLE | MRL_DETECT_ENABLE |
PWR_FAULT_DETECT_ENABLE | HP_INTR_ENABLE | CMD_CMPL_INTR_ENABLE;
if (pcie_write_cmd(ctrl, 0, mask))
- warn("%s: Cannot disable software notification\n", __func__);
+ ctrl_warn(ctrl, "%s: Cannot disable software notification\n",
+ __func__);
}
static int pcie_init_notification(struct controller *ctrl)
@@ -1071,34 +1088,45 @@ static inline void dbg_ctrl(struct controller *ctrl)
if (!pciehp_debug)
return;
- dbg("Hotplug Controller:\n");
- dbg(" Seg/Bus/Dev/Func/IRQ : %s IRQ %d\n", pci_name(pdev), pdev->irq);
- dbg(" Vendor ID : 0x%04x\n", pdev->vendor);
- dbg(" Device ID : 0x%04x\n", pdev->device);
- dbg(" Subsystem ID : 0x%04x\n", pdev->subsystem_device);
- dbg(" Subsystem Vendor ID : 0x%04x\n", pdev->subsystem_vendor);
- dbg(" PCIe Cap offset : 0x%02x\n", ctrl->cap_base);
+ ctrl_info(ctrl, "Hotplug Controller:\n");
+ ctrl_info(ctrl, " Seg/Bus/Dev/Func/IRQ : %s IRQ %d\n",
+ pci_name(pdev), pdev->irq);
+ ctrl_info(ctrl, " Vendor ID : 0x%04x\n", pdev->vendor);
+ ctrl_info(ctrl, " Device ID : 0x%04x\n", pdev->device);
+ ctrl_info(ctrl, " Subsystem ID : 0x%04x\n",
+ pdev->subsystem_device);
+ ctrl_info(ctrl, " Subsystem Vendor ID : 0x%04x\n",
+ pdev->subsystem_vendor);
+ ctrl_info(ctrl, " PCIe Cap offset : 0x%02x\n", ctrl->cap_base);
for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
if (!pci_resource_len(pdev, i))
continue;
- dbg(" PCI resource [%d] : 0x%llx@0x%llx\n", i,
- (unsigned long long)pci_resource_len(pdev, i),
- (unsigned long long)pci_resource_start(pdev, i));
+ ctrl_info(ctrl, " PCI resource [%d] : 0x%llx@0x%llx\n",
+ i, (unsigned long long)pci_resource_len(pdev, i),
+ (unsigned long long)pci_resource_start(pdev, i));
}
- dbg("Slot Capabilities : 0x%08x\n", ctrl->slot_cap);
- dbg(" Physical Slot Number : %d\n", ctrl->first_slot);
- dbg(" Attention Button : %3s\n", ATTN_BUTTN(ctrl) ? "yes" : "no");
- dbg(" Power Controller : %3s\n", POWER_CTRL(ctrl) ? "yes" : "no");
- dbg(" MRL Sensor : %3s\n", MRL_SENS(ctrl) ? "yes" : "no");
- dbg(" Attention Indicator : %3s\n", ATTN_LED(ctrl) ? "yes" : "no");
- dbg(" Power Indicator : %3s\n", PWR_LED(ctrl) ? "yes" : "no");
- dbg(" Hot-Plug Surprise : %3s\n", HP_SUPR_RM(ctrl) ? "yes" : "no");
- dbg(" EMI Present : %3s\n", EMI(ctrl) ? "yes" : "no");
- dbg(" Command Completed : %3s\n", NO_CMD_CMPL(ctrl)? "no" : "yes");
+ ctrl_info(ctrl, "Slot Capabilities : 0x%08x\n", ctrl->slot_cap);
+ ctrl_info(ctrl, " Physical Slot Number : %d\n", ctrl->first_slot);
+ ctrl_info(ctrl, " Attention Button : %3s\n",
+ ATTN_BUTTN(ctrl) ? "yes" : "no");
+ ctrl_info(ctrl, " Power Controller : %3s\n",
+ POWER_CTRL(ctrl) ? "yes" : "no");
+ ctrl_info(ctrl, " MRL Sensor : %3s\n",
+ MRL_SENS(ctrl) ? "yes" : "no");
+ ctrl_info(ctrl, " Attention Indicator : %3s\n",
+ ATTN_LED(ctrl) ? "yes" : "no");
+ ctrl_info(ctrl, " Power Indicator : %3s\n",
+ PWR_LED(ctrl) ? "yes" : "no");
+ ctrl_info(ctrl, " Hot-Plug Surprise : %3s\n",
+ HP_SUPR_RM(ctrl) ? "yes" : "no");
+ ctrl_info(ctrl, " EMI Present : %3s\n",
+ EMI(ctrl) ? "yes" : "no");
+ ctrl_info(ctrl, " Command Completed : %3s\n",
+ NO_CMD_CMPL(ctrl) ? "no" : "yes");
pciehp_readw(ctrl, SLOTSTATUS, &reg16);
- dbg("Slot Status : 0x%04x\n", reg16);
+ ctrl_info(ctrl, "Slot Status : 0x%04x\n", reg16);
pciehp_readw(ctrl, SLOTCTRL, &reg16);
- dbg("Slot Control : 0x%04x\n", reg16);
+ ctrl_info(ctrl, "Slot Control : 0x%04x\n", reg16);
}
struct controller *pcie_init(struct pcie_device *dev)
@@ -1109,19 +1137,21 @@ struct controller *pcie_init(struct pcie_device *dev)
ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
if (!ctrl) {
- err("%s : out of memory\n", __func__);
+ dev_err(&dev->device, "%s : out of memory\n", __func__);
goto abort;
}
INIT_LIST_HEAD(&ctrl->slot_list);
+ ctrl->pcie = dev;
ctrl->pci_dev = pdev;
ctrl->cap_base = pci_find_capability(pdev, PCI_CAP_ID_EXP);
if (!ctrl->cap_base) {
- err("%s: Cannot find PCI Express capability\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot find PCI Express capability\n",
+ __func__);
goto abort;
}
if (pciehp_readl(ctrl, SLOTCAP, &slot_cap)) {
- err("%s: Cannot read SLOTCAP register\n", __func__);
+ ctrl_err(ctrl, "%s: Cannot read SLOTCAP register\n", __func__);
goto abort;
}
@@ -1161,9 +1191,9 @@ struct controller *pcie_init(struct pcie_device *dev)
goto abort_ctrl;
}
- info("HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n",
- pdev->vendor, pdev->device,
- pdev->subsystem_vendor, pdev->subsystem_device);
+ ctrl_info(ctrl, "HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n",
+ pdev->vendor, pdev->device, pdev->subsystem_vendor,
+ pdev->subsystem_device);
if (pcie_init_slot(ctrl))
goto abort_ctrl;
diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c
index 6040dcceb25..ffd11148fbe 100644
--- a/drivers/pci/hotplug/pciehp_pci.c
+++ b/drivers/pci/hotplug/pciehp_pci.c
@@ -198,18 +198,20 @@ int pciehp_configure_device(struct slot *p_slot)
struct pci_dev *dev;
struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
int num, fn;
+ struct controller *ctrl = p_slot->ctrl;
dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, 0));
if (dev) {
- err("Device %s already exists at %x:%x, cannot hot-add\n",
- pci_name(dev), p_slot->bus, p_slot->device);
+ ctrl_err(ctrl,
+ "Device %s already exists at %x:%x, cannot hot-add\n",
+ pci_name(dev), p_slot->bus, p_slot->device);
pci_dev_put(dev);
return -EINVAL;
}
num = pci_scan_slot(parent, PCI_DEVFN(p_slot->device, 0));
if (num == 0) {
- err("No new device found\n");
+ ctrl_err(ctrl, "No new device found\n");
return -ENODEV;
}
@@ -218,8 +220,8 @@ int pciehp_configure_device(struct slot *p_slot)
if (!dev)
continue;
if ((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
- err("Cannot hot-add display device %s\n",
- pci_name(dev));
+ ctrl_err(ctrl, "Cannot hot-add display device %s\n",
+ pci_name(dev));
pci_dev_put(dev);
continue;
}
@@ -244,9 +246,10 @@ int pciehp_unconfigure_device(struct slot *p_slot)
u8 presence = 0;
struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
u16 command;
+ struct controller *ctrl = p_slot->ctrl;
- dbg("%s: bus/dev = %x/%x\n", __func__, p_slot->bus,
- p_slot->device);
+ ctrl_dbg(ctrl, "%s: bus/dev = %x/%x\n", __func__,
+ p_slot->bus, p_slot->device);
ret = p_slot->hpc_ops->get_adapter_status(p_slot, &presence);
if (ret)
presence = 0;
@@ -257,16 +260,17 @@ int pciehp_unconfigure_device(struct slot *p_slot)
if (!temp)
continue;
if ((temp->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
- err("Cannot remove display device %s\n",
- pci_name(temp));
+ ctrl_err(ctrl, "Cannot remove display device %s\n",
+ pci_name(temp));
pci_dev_put(temp);
continue;
}
if (temp->hdr_type == PCI_HEADER_TYPE_BRIDGE && presence) {
pci_read_config_byte(temp, PCI_BRIDGE_CONTROL, &bctl);
if (bctl & PCI_BRIDGE_CTL_VGA) {
- err("Cannot remove display device %s\n",
- pci_name(temp));
+ ctrl_err(ctrl,
+ "Cannot remove display device %s\n",
+ pci_name(temp));
pci_dev_put(temp);
continue;
}
diff --git a/drivers/pci/hotplug/rpaphp.h b/drivers/pci/hotplug/rpaphp.h
index 7d5921b1ee7..419919a87b0 100644
--- a/drivers/pci/hotplug/rpaphp.h
+++ b/drivers/pci/hotplug/rpaphp.h
@@ -46,10 +46,10 @@
#define PRESENT 1 /* Card in slot */
#define MY_NAME "rpaphp"
-extern int debug;
+extern int rpaphp_debug;
#define dbg(format, arg...) \
do { \
- if (debug) \
+ if (rpaphp_debug) \
printk(KERN_DEBUG "%s: " format, \
MY_NAME , ## arg); \
} while (0)
diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
index 1f84f402acd..95d02a08fdc 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
+++ b/drivers/pci/hotplug/rpaphp_core.c
@@ -37,7 +37,7 @@
/* and pci_do_scan_bus */
#include "rpaphp.h"
-int debug;
+int rpaphp_debug;
LIST_HEAD(rpaphp_slot_head);
#define DRIVER_VERSION "0.1"
@@ -50,7 +50,7 @@ MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
-module_param(debug, bool, 0644);
+module_param_named(debug, rpaphp_debug, bool, 0644);
/**
* set_attention_status - set attention LED
diff --git a/drivers/pci/hotplug/rpaphp_pci.c b/drivers/pci/hotplug/rpaphp_pci.c
index 5acfd4f3d4c..513e1e28239 100644
--- a/drivers/pci/hotplug/rpaphp_pci.c
+++ b/drivers/pci/hotplug/rpaphp_pci.c
@@ -123,7 +123,7 @@ int rpaphp_enable_slot(struct slot *slot)
slot->state = CONFIGURED;
}
- if (debug) {
+ if (rpaphp_debug) {
struct pci_dev *dev;
dbg("%s: pci_devs of slot[%s]\n", __func__, slot->dn->full_name);
list_for_each_entry (dev, &bus->devices, bus_list)
diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c
index 279c940a003..bf7d6ce9bbb 100644
--- a/drivers/pci/htirq.c
+++ b/drivers/pci/htirq.c
@@ -126,7 +126,8 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
cfg->msg.address_hi = 0xffffffff;
irq = create_irq();
- if (irq < 0) {
+
+ if (irq <= 0) {
kfree(cfg);
return -EBUSY;
}
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index fc5f2dbf532..8b51e10b778 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -563,7 +563,7 @@ static int __iommu_flush_context(struct intel_iommu *iommu,
spin_unlock_irqrestore(&iommu->register_lock, flag);
- /* flush context entry will implictly flush write buffer */
+ /* flush context entry will implicitly flush write buffer */
return 0;
}
@@ -656,7 +656,7 @@ static int __iommu_flush_iotlb(struct intel_iommu *iommu, u16 did,
if (DMA_TLB_IAIG(val) != DMA_TLB_IIRG(type))
pr_debug("IOMMU: tlb flush request %Lx, actual %Lx\n",
DMA_TLB_IIRG(type), DMA_TLB_IAIG(val));
- /* flush context entry will implictly flush write buffer */
+ /* flush iotlb entry will implicitly flush write buffer */
return 0;
}
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index 738d4c89581..2de5a3238c9 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -1,3 +1,4 @@
+#include <linux/interrupt.h>
#include <linux/dmar.h>
#include <linux/spinlock.h>
#include <linux/jiffies.h>
@@ -11,41 +12,64 @@ static struct ioapic_scope ir_ioapic[MAX_IO_APICS];
static int ir_ioapic_num;
int intr_remapping_enabled;
-static struct {
+struct irq_2_iommu {
struct intel_iommu *iommu;
u16 irte_index;
u16 sub_handle;
u8 irte_mask;
-} irq_2_iommu[NR_IRQS];
+};
+
+static struct irq_2_iommu irq_2_iommuX[NR_IRQS];
+
+static struct irq_2_iommu *irq_2_iommu(unsigned int irq)
+{
+ return (irq < nr_irqs) ? irq_2_iommuX + irq : NULL;
+}
+
+static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
+{
+ return irq_2_iommu(irq);
+}
static DEFINE_SPINLOCK(irq_2_ir_lock);
-int irq_remapped(int irq)
+static struct irq_2_iommu *valid_irq_2_iommu(unsigned int irq)
{
- if (irq > NR_IRQS)
- return 0;
+ struct irq_2_iommu *irq_iommu;
+
+ irq_iommu = irq_2_iommu(irq);
+
+ if (!irq_iommu)
+ return NULL;
+
+ if (!irq_iommu->iommu)
+ return NULL;
- if (!irq_2_iommu[irq].iommu)
- return 0;
+ return irq_iommu;
+}
- return 1;
+int irq_remapped(int irq)
+{
+ return valid_irq_2_iommu(irq) != NULL;
}
int get_irte(int irq, struct irte *entry)
{
int index;
+ struct irq_2_iommu *irq_iommu;
- if (!entry || irq > NR_IRQS)
+ if (!entry)
return -1;
spin_lock(&irq_2_ir_lock);
- if (!irq_2_iommu[irq].iommu) {
+ irq_iommu = valid_irq_2_iommu(irq);
+ if (!irq_iommu) {
spin_unlock(&irq_2_ir_lock);
return -1;
}
- index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle;
- *entry = *(irq_2_iommu[irq].iommu->ir_table->base + index);
+ index = irq_iommu->irte_index + irq_iommu->sub_handle;
+ *entry = *(irq_iommu->iommu->ir_table->base + index);
spin_unlock(&irq_2_ir_lock);
return 0;
@@ -54,6 +78,7 @@ int get_irte(int irq, struct irte *entry)
int alloc_irte(struct intel_iommu *iommu, int irq, u16 count)
{
struct ir_table *table = iommu->ir_table;
+ struct irq_2_iommu *irq_iommu;
u16 index, start_index;
unsigned int mask = 0;
int i;
@@ -61,6 +86,10 @@ int alloc_irte(struct intel_iommu *iommu, int irq, u16 count)
if (!count)
return -1;
+ /* protect irq_2_iommu_alloc later */
+ if (irq >= nr_irqs)
+ return -1;
+
/*
* start the IRTE search from index 0.
*/
@@ -100,10 +129,11 @@ int alloc_irte(struct intel_iommu *iommu, int irq, u16 count)
for (i = index; i < index + count; i++)
table->base[i].present = 1;
- irq_2_iommu[irq].iommu = iommu;
- irq_2_iommu[irq].irte_index = index;
- irq_2_iommu[irq].sub_handle = 0;
- irq_2_iommu[irq].irte_mask = mask;
+ irq_iommu = irq_2_iommu_alloc(irq);
+ irq_iommu->iommu = iommu;
+ irq_iommu->irte_index = index;
+ irq_iommu->sub_handle = 0;
+ irq_iommu->irte_mask = mask;
spin_unlock(&irq_2_ir_lock);
@@ -124,31 +154,33 @@ static void qi_flush_iec(struct intel_iommu *iommu, int index, int mask)
int map_irq_to_irte_handle(int irq, u16 *sub_handle)
{
int index;
+ struct irq_2_iommu *irq_iommu;
spin_lock(&irq_2_ir_lock);
- if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) {
+ irq_iommu = valid_irq_2_iommu(irq);
+ if (!irq_iommu) {
spin_unlock(&irq_2_ir_lock);
return -1;
}
- *sub_handle = irq_2_iommu[irq].sub_handle;
- index = irq_2_iommu[irq].irte_index;
+ *sub_handle = irq_iommu->sub_handle;
+ index = irq_iommu->irte_index;
spin_unlock(&irq_2_ir_lock);
return index;
}
int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle)
{
+ struct irq_2_iommu *irq_iommu;
+
spin_lock(&irq_2_ir_lock);
- if (irq >= NR_IRQS || irq_2_iommu[irq].iommu) {
- spin_unlock(&irq_2_ir_lock);
- return -1;
- }
- irq_2_iommu[irq].iommu = iommu;
- irq_2_iommu[irq].irte_index = index;
- irq_2_iommu[irq].sub_handle = subhandle;
- irq_2_iommu[irq].irte_mask = 0;
+ irq_iommu = irq_2_iommu_alloc(irq);
+
+ irq_iommu->iommu = iommu;
+ irq_iommu->irte_index = index;
+ irq_iommu->sub_handle = subhandle;
+ irq_iommu->irte_mask = 0;
spin_unlock(&irq_2_ir_lock);
@@ -157,16 +189,19 @@ int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle)
int clear_irte_irq(int irq, struct intel_iommu *iommu, u16 index)
{
+ struct irq_2_iommu *irq_iommu;
+
spin_lock(&irq_2_ir_lock);
- if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) {
+ irq_iommu = valid_irq_2_iommu(irq);
+ if (!irq_iommu) {
spin_unlock(&irq_2_ir_lock);
return -1;
}
- irq_2_iommu[irq].iommu = NULL;
- irq_2_iommu[irq].irte_index = 0;
- irq_2_iommu[irq].sub_handle = 0;
- irq_2_iommu[irq].irte_mask = 0;
+ irq_iommu->iommu = NULL;
+ irq_iommu->irte_index = 0;
+ irq_iommu->sub_handle = 0;
+ irq_2_iommu(irq)->irte_mask = 0;
spin_unlock(&irq_2_ir_lock);
@@ -178,16 +213,18 @@ int modify_irte(int irq, struct irte *irte_modified)
int index;
struct irte *irte;
struct intel_iommu *iommu;
+ struct irq_2_iommu *irq_iommu;
spin_lock(&irq_2_ir_lock);
- if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) {
+ irq_iommu = valid_irq_2_iommu(irq);
+ if (!irq_iommu) {
spin_unlock(&irq_2_ir_lock);
return -1;
}
- iommu = irq_2_iommu[irq].iommu;
+ iommu = irq_iommu->iommu;
- index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle;
+ index = irq_iommu->irte_index + irq_iommu->sub_handle;
irte = &iommu->ir_table->base[index];
set_64bit((unsigned long *)irte, irte_modified->low | (1 << 1));
@@ -203,18 +240,20 @@ int flush_irte(int irq)
{
int index;
struct intel_iommu *iommu;
+ struct irq_2_iommu *irq_iommu;
spin_lock(&irq_2_ir_lock);
- if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) {
+ irq_iommu = valid_irq_2_iommu(irq);
+ if (!irq_iommu) {
spin_unlock(&irq_2_ir_lock);
return -1;
}
- iommu = irq_2_iommu[irq].iommu;
+ iommu = irq_iommu->iommu;
- index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle;
+ index = irq_iommu->irte_index + irq_iommu->sub_handle;
- qi_flush_iec(iommu, index, irq_2_iommu[irq].irte_mask);
+ qi_flush_iec(iommu, index, irq_iommu->irte_mask);
spin_unlock(&irq_2_ir_lock);
return 0;
@@ -246,28 +285,30 @@ int free_irte(int irq)
int index, i;
struct irte *irte;
struct intel_iommu *iommu;
+ struct irq_2_iommu *irq_iommu;
spin_lock(&irq_2_ir_lock);
- if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) {
+ irq_iommu = valid_irq_2_iommu(irq);
+ if (!irq_iommu) {
spin_unlock(&irq_2_ir_lock);
return -1;
}
- iommu = irq_2_iommu[irq].iommu;
+ iommu = irq_iommu->iommu;
- index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle;
+ index = irq_iommu->irte_index + irq_iommu->sub_handle;
irte = &iommu->ir_table->base[index];
- if (!irq_2_iommu[irq].sub_handle) {
- for (i = 0; i < (1 << irq_2_iommu[irq].irte_mask); i++)
+ if (!irq_iommu->sub_handle) {
+ for (i = 0; i < (1 << irq_iommu->irte_mask); i++)
set_64bit((unsigned long *)irte, 0);
- qi_flush_iec(iommu, index, irq_2_iommu[irq].irte_mask);
+ qi_flush_iec(iommu, index, irq_iommu->irte_mask);
}
- irq_2_iommu[irq].iommu = NULL;
- irq_2_iommu[irq].irte_index = 0;
- irq_2_iommu[irq].sub_handle = 0;
- irq_2_iommu[irq].irte_mask = 0;
+ irq_iommu->iommu = NULL;
+ irq_iommu->irte_index = 0;
+ irq_iommu->sub_handle = 0;
+ irq_iommu->irte_mask = 0;
spin_unlock(&irq_2_ir_lock);
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 4a10b5624f7..d2812013fd2 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -378,23 +378,21 @@ static int msi_capability_init(struct pci_dev *dev)
entry->msi_attrib.masked = 1;
entry->msi_attrib.default_irq = dev->irq; /* Save IOAPIC IRQ */
entry->msi_attrib.pos = pos;
- if (is_mask_bit_support(control)) {
+ if (entry->msi_attrib.maskbit) {
entry->mask_base = (void __iomem *)(long)msi_mask_bits_reg(pos,
- is_64bit_address(control));
+ entry->msi_attrib.is_64);
}
entry->dev = dev;
if (entry->msi_attrib.maskbit) {
unsigned int maskbits, temp;
/* All MSIs are unmasked by default, Mask them all */
pci_read_config_dword(dev,
- msi_mask_bits_reg(pos, is_64bit_address(control)),
+ msi_mask_bits_reg(pos, entry->msi_attrib.is_64),
&maskbits);
temp = (1 << multi_msi_capable(control));
temp = ((temp - 1) & ~temp);
maskbits |= temp;
- pci_write_config_dword(dev,
- msi_mask_bits_reg(pos, is_64bit_address(control)),
- maskbits);
+ pci_write_config_dword(dev, entry->msi_attrib.is_64, maskbits);
entry->msi_attrib.maskbits_mask = temp;
}
list_add_tail(&entry->list, &dev->msi_list);
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index a13f5348611..b4cdd690ae7 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -43,18 +43,32 @@ store_new_id(struct device_driver *driver, const char *buf, size_t count)
{
struct pci_dynid *dynid;
struct pci_driver *pdrv = to_pci_driver(driver);
+ const struct pci_device_id *ids = pdrv->id_table;
__u32 vendor, device, subvendor=PCI_ANY_ID,
subdevice=PCI_ANY_ID, class=0, class_mask=0;
unsigned long driver_data=0;
int fields=0;
- int retval = 0;
+ int retval;
- fields = sscanf(buf, "%x %x %x %x %x %x %lux",
+ fields = sscanf(buf, "%x %x %x %x %x %x %lx",
&vendor, &device, &subvendor, &subdevice,
&class, &class_mask, &driver_data);
if (fields < 2)
return -EINVAL;
+ /* Only accept driver_data values that match an existing id_table
+ entry */
+ retval = -EINVAL;
+ while (ids->vendor || ids->subvendor || ids->class_mask) {
+ if (driver_data == ids->driver_data) {
+ retval = 0;
+ break;
+ }
+ ids++;
+ }
+ if (retval) /* No match */
+ return retval;
+
dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
if (!dynid)
return -ENOMEM;
@@ -65,8 +79,7 @@ store_new_id(struct device_driver *driver, const char *buf, size_t count)
dynid->id.subdevice = subdevice;
dynid->id.class = class;
dynid->id.class_mask = class_mask;
- dynid->id.driver_data = pdrv->dynids.use_driver_data ?
- driver_data : 0UL;
+ dynid->id.driver_data = driver_data;
spin_lock(&pdrv->dynids.lock);
list_add_tail(&dynid->node, &pdrv->dynids.list);
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 77baff022f7..110022d7868 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -423,7 +423,7 @@ pci_write_vpd(struct kobject *kobj, struct bin_attribute *bin_attr,
* Reads 1, 2, or 4 bytes from legacy I/O port space using an arch specific
* callback routine (pci_legacy_read).
*/
-ssize_t
+static ssize_t
pci_read_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
@@ -448,7 +448,7 @@ pci_read_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
* Writes 1, 2, or 4 bytes from legacy I/O port space using an arch specific
* callback routine (pci_legacy_write).
*/
-ssize_t
+static ssize_t
pci_write_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
@@ -468,11 +468,11 @@ pci_write_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
* @attr: struct bin_attribute for this file
* @vma: struct vm_area_struct passed to mmap
*
- * Uses an arch specific callback, pci_mmap_legacy_page_range, to mmap
+ * Uses an arch specific callback, pci_mmap_legacy_mem_page_range, to mmap
* legacy memory space (first meg of bus space) into application virtual
* memory space.
*/
-int
+static int
pci_mmap_legacy_mem(struct kobject *kobj, struct bin_attribute *attr,
struct vm_area_struct *vma)
{
@@ -480,7 +480,90 @@ pci_mmap_legacy_mem(struct kobject *kobj, struct bin_attribute *attr,
struct device,
kobj));
- return pci_mmap_legacy_page_range(bus, vma);
+ return pci_mmap_legacy_page_range(bus, vma, pci_mmap_mem);
+}
+
+/**
+ * pci_mmap_legacy_io - map legacy PCI IO into user memory space
+ * @kobj: kobject corresponding to device to be mapped
+ * @attr: struct bin_attribute for this file
+ * @vma: struct vm_area_struct passed to mmap
+ *
+ * Uses an arch specific callback, pci_mmap_legacy_io_page_range, to mmap
+ * legacy IO space (first meg of bus space) into application virtual
+ * memory space. Returns -ENOSYS if the operation isn't supported
+ */
+static int
+pci_mmap_legacy_io(struct kobject *kobj, struct bin_attribute *attr,
+ struct vm_area_struct *vma)
+{
+ struct pci_bus *bus = to_pci_bus(container_of(kobj,
+ struct device,
+ kobj));
+
+ return pci_mmap_legacy_page_range(bus, vma, pci_mmap_io);
+}
+
+/**
+ * pci_create_legacy_files - create legacy I/O port and memory files
+ * @b: bus to create files under
+ *
+ * Some platforms allow access to legacy I/O port and ISA memory space on
+ * a per-bus basis. This routine creates the files and ties them into
+ * their associated read, write and mmap files from pci-sysfs.c
+ *
+ * On error unwind, but don't propogate the error to the caller
+ * as it is ok to set up the PCI bus without these files.
+ */
+void pci_create_legacy_files(struct pci_bus *b)
+{
+ int error;
+
+ b->legacy_io = kzalloc(sizeof(struct bin_attribute) * 2,
+ GFP_ATOMIC);
+ if (!b->legacy_io)
+ goto kzalloc_err;
+
+ b->legacy_io->attr.name = "legacy_io";
+ b->legacy_io->size = 0xffff;
+ b->legacy_io->attr.mode = S_IRUSR | S_IWUSR;
+ b->legacy_io->read = pci_read_legacy_io;
+ b->legacy_io->write = pci_write_legacy_io;
+ b->legacy_io->mmap = pci_mmap_legacy_io;
+ error = device_create_bin_file(&b->dev, b->legacy_io);
+ if (error)
+ goto legacy_io_err;
+
+ /* Allocated above after the legacy_io struct */
+ b->legacy_mem = b->legacy_io + 1;
+ b->legacy_mem->attr.name = "legacy_mem";
+ b->legacy_mem->size = 1024*1024;
+ b->legacy_mem->attr.mode = S_IRUSR | S_IWUSR;
+ b->legacy_mem->mmap = pci_mmap_legacy_mem;
+ error = device_create_bin_file(&b->dev, b->legacy_mem);
+ if (error)
+ goto legacy_mem_err;
+
+ return;
+
+legacy_mem_err:
+ device_remove_bin_file(&b->dev, b->legacy_io);
+legacy_io_err:
+ kfree(b->legacy_io);
+ b->legacy_io = NULL;
+kzalloc_err:
+ printk(KERN_WARNING "pci: warning: could not create legacy I/O port "
+ "and ISA memory resources to sysfs\n");
+ return;
+}
+
+void pci_remove_legacy_files(struct pci_bus *b)
+{
+ if (b->legacy_io) {
+ device_remove_bin_file(&b->dev, b->legacy_io);
+ device_remove_bin_file(&b->dev, b->legacy_mem);
+ kfree(b->legacy_io); /* both are allocated here */
+ }
}
#endif /* HAVE_PCI_LEGACY */
@@ -715,7 +798,7 @@ static struct bin_attribute pci_config_attr = {
.name = "config",
.mode = S_IRUGO | S_IWUSR,
},
- .size = 256,
+ .size = PCI_CFG_SPACE_SIZE,
.read = pci_read_config,
.write = pci_write_config,
};
@@ -725,7 +808,7 @@ static struct bin_attribute pcie_config_attr = {
.name = "config",
.mode = S_IRUGO | S_IWUSR,
},
- .size = 4096,
+ .size = PCI_CFG_SPACE_EXP_SIZE,
.read = pci_read_config,
.write = pci_write_config,
};
@@ -735,86 +818,103 @@ int __attribute__ ((weak)) pcibios_add_platform_entries(struct pci_dev *dev)
return 0;
}
+static int pci_create_capabilities_sysfs(struct pci_dev *dev)
+{
+ int retval;
+ struct bin_attribute *attr;
+
+ /* If the device has VPD, try to expose it in sysfs. */
+ if (dev->vpd) {
+ attr = kzalloc(sizeof(*attr), GFP_ATOMIC);
+ if (!attr)
+ return -ENOMEM;
+
+ attr->size = dev->vpd->len;
+ attr->attr.name = "vpd";
+ attr->attr.mode = S_IRUSR | S_IWUSR;
+ attr->read = pci_read_vpd;
+ attr->write = pci_write_vpd;
+ retval = sysfs_create_bin_file(&dev->dev.kobj, attr);
+ if (retval) {
+ kfree(dev->vpd->attr);
+ return retval;
+ }
+ dev->vpd->attr = attr;
+ }
+
+ /* Active State Power Management */
+ pcie_aspm_create_sysfs_dev_files(dev);
+
+ return 0;
+}
+
int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
{
- struct bin_attribute *attr = NULL;
int retval;
+ int rom_size = 0;
+ struct bin_attribute *attr;
if (!sysfs_initialized)
return -EACCES;
- if (pdev->cfg_size < 4096)
+ if (pdev->cfg_size < PCI_CFG_SPACE_EXP_SIZE)
retval = sysfs_create_bin_file(&pdev->dev.kobj, &pci_config_attr);
else
retval = sysfs_create_bin_file(&pdev->dev.kobj, &pcie_config_attr);
if (retval)
goto err;
- /* If the device has VPD, try to expose it in sysfs. */
- if (pdev->vpd) {
- attr = kzalloc(sizeof(*attr), GFP_ATOMIC);
- if (attr) {
- pdev->vpd->attr = attr;
- attr->size = pdev->vpd->len;
- attr->attr.name = "vpd";
- attr->attr.mode = S_IRUSR | S_IWUSR;
- attr->read = pci_read_vpd;
- attr->write = pci_write_vpd;
- retval = sysfs_create_bin_file(&pdev->dev.kobj, attr);
- if (retval)
- goto err_vpd;
- } else {
- retval = -ENOMEM;
- goto err_config_file;
- }
- }
-
retval = pci_create_resource_files(pdev);
if (retval)
- goto err_vpd_file;
+ goto err_config_file;
+
+ if (pci_resource_len(pdev, PCI_ROM_RESOURCE))
+ rom_size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
+ else if (pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW)
+ rom_size = 0x20000;
/* If the device has a ROM, try to expose it in sysfs. */
- if (pci_resource_len(pdev, PCI_ROM_RESOURCE) ||
- (pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW)) {
+ if (rom_size) {
attr = kzalloc(sizeof(*attr), GFP_ATOMIC);
- if (attr) {
- pdev->rom_attr = attr;
- attr->size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
- attr->attr.name = "rom";
- attr->attr.mode = S_IRUSR;
- attr->read = pci_read_rom;
- attr->write = pci_write_rom;
- retval = sysfs_create_bin_file(&pdev->dev.kobj, attr);
- if (retval)
- goto err_rom;
- } else {
+ if (!attr) {
retval = -ENOMEM;
goto err_resource_files;
}
+ attr->size = rom_size;
+ attr->attr.name = "rom";
+ attr->attr.mode = S_IRUSR;
+ attr->read = pci_read_rom;
+ attr->write = pci_write_rom;
+ retval = sysfs_create_bin_file(&pdev->dev.kobj, attr);
+ if (retval) {
+ kfree(attr);
+ goto err_resource_files;
+ }
+ pdev->rom_attr = attr;
}
+
/* add platform-specific attributes */
- if (pcibios_add_platform_entries(pdev))
+ retval = pcibios_add_platform_entries(pdev);
+ if (retval)
goto err_rom_file;
- pcie_aspm_create_sysfs_dev_files(pdev);
+ /* add sysfs entries for various capabilities */
+ retval = pci_create_capabilities_sysfs(pdev);
+ if (retval)
+ goto err_rom_file;
return 0;
err_rom_file:
- if (pci_resource_len(pdev, PCI_ROM_RESOURCE))
+ if (rom_size) {
sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr);
-err_rom:
- kfree(pdev->rom_attr);
+ kfree(pdev->rom_attr);
+ pdev->rom_attr = NULL;
+ }
err_resource_files:
pci_remove_resource_files(pdev);
-err_vpd_file:
- if (pdev->vpd) {
- sysfs_remove_bin_file(&pdev->dev.kobj, pdev->vpd->attr);
-err_vpd:
- kfree(pdev->vpd->attr);
- }
err_config_file:
- if (pdev->cfg_size < 4096)
+ if (pdev->cfg_size < PCI_CFG_SPACE_EXP_SIZE)
sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr);
else
sysfs_remove_bin_file(&pdev->dev.kobj, &pcie_config_attr);
@@ -822,6 +922,16 @@ err:
return retval;
}
+static void pci_remove_capabilities_sysfs(struct pci_dev *dev)
+{
+ if (dev->vpd && dev->vpd->attr) {
+ sysfs_remove_bin_file(&dev->dev.kobj, dev->vpd->attr);
+ kfree(dev->vpd->attr);
+ }
+
+ pcie_aspm_remove_sysfs_dev_files(dev);
+}
+
/**
* pci_remove_sysfs_dev_files - cleanup PCI specific sysfs files
* @pdev: device whose entries we should free
@@ -830,27 +940,28 @@ err:
*/
void pci_remove_sysfs_dev_files(struct pci_dev *pdev)
{
+ int rom_size = 0;
+
if (!sysfs_initialized)
return;
- pcie_aspm_remove_sysfs_dev_files(pdev);
+ pci_remove_capabilities_sysfs(pdev);
- if (pdev->vpd) {
- sysfs_remove_bin_file(&pdev->dev.kobj, pdev->vpd->attr);
- kfree(pdev->vpd->attr);
- }
- if (pdev->cfg_size < 4096)
+ if (pdev->cfg_size < PCI_CFG_SPACE_EXP_SIZE)
sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr);
else
sysfs_remove_bin_file(&pdev->dev.kobj, &pcie_config_attr);
pci_remove_resource_files(pdev);
- if (pci_resource_len(pdev, PCI_ROM_RESOURCE)) {
- if (pdev->rom_attr) {
- sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr);
- kfree(pdev->rom_attr);
- }
+ if (pci_resource_len(pdev, PCI_ROM_RESOURCE))
+ rom_size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
+ else if (pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW)
+ rom_size = 0x20000;
+
+ if (rom_size && pdev->rom_attr) {
+ sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr);
+ kfree(pdev->rom_attr);
}
}
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index c9884bba22d..4db261e13e6 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -213,10 +213,13 @@ int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap)
int pci_find_ext_capability(struct pci_dev *dev, int cap)
{
u32 header;
- int ttl = 480; /* 3840 bytes, minimum 8 bytes per capability */
- int pos = 0x100;
+ int ttl;
+ int pos = PCI_CFG_SPACE_SIZE;
- if (dev->cfg_size <= 256)
+ /* minimum 8 bytes per capability */
+ ttl = (PCI_CFG_SPACE_EXP_SIZE - PCI_CFG_SPACE_SIZE) / 8;
+
+ if (dev->cfg_size <= PCI_CFG_SPACE_SIZE)
return 0;
if (pci_read_config_dword(dev, pos, &header) != PCIBIOS_SUCCESSFUL)
@@ -234,7 +237,7 @@ int pci_find_ext_capability(struct pci_dev *dev, int cap)
return pos;
pos = PCI_EXT_CAP_NEXT(header);
- if (pos < 0x100)
+ if (pos < PCI_CFG_SPACE_SIZE)
break;
if (pci_read_config_dword(dev, pos, &header) != PCIBIOS_SUCCESSFUL)
@@ -1127,6 +1130,27 @@ int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable)
}
/**
+ * pci_wake_from_d3 - enable/disable device to wake up from D3_hot or D3_cold
+ * @dev: PCI device to prepare
+ * @enable: True to enable wake-up event generation; false to disable
+ *
+ * Many drivers want the device to wake up the system from D3_hot or D3_cold
+ * and this function allows them to set that up cleanly - pci_enable_wake()
+ * should not be called twice in a row to enable wake-up due to PCI PM vs ACPI
+ * ordering constraints.
+ *
+ * This function only returns error code if the device is not capable of
+ * generating PME# from both D3_hot and D3_cold, and the platform is unable to
+ * enable wake-up power for it.
+ */
+int pci_wake_from_d3(struct pci_dev *dev, bool enable)
+{
+ return pci_pme_capable(dev, PCI_D3cold) ?
+ pci_enable_wake(dev, PCI_D3cold, enable) :
+ pci_enable_wake(dev, PCI_D3hot, enable);
+}
+
+/**
* pci_target_state - find an appropriate low power state for a given PCI dev
* @dev: PCI device
*
@@ -1242,25 +1266,25 @@ void pci_pm_init(struct pci_dev *dev)
dev->d1_support = false;
dev->d2_support = false;
if (!pci_no_d1d2(dev)) {
- if (pmc & PCI_PM_CAP_D1) {
- dev_printk(KERN_DEBUG, &dev->dev, "supports D1\n");
+ if (pmc & PCI_PM_CAP_D1)
dev->d1_support = true;
- }
- if (pmc & PCI_PM_CAP_D2) {
- dev_printk(KERN_DEBUG, &dev->dev, "supports D2\n");
+ if (pmc & PCI_PM_CAP_D2)
dev->d2_support = true;
- }
+
+ if (dev->d1_support || dev->d2_support)
+ dev_printk(KERN_DEBUG, &dev->dev, "supports%s%s\n",
+ dev->d1_support ? " D1" : "",
+ dev->d2_support ? " D2" : "");
}
pmc &= PCI_PM_CAP_PME_MASK;
if (pmc) {
- dev_printk(KERN_INFO, &dev->dev,
- "PME# supported from%s%s%s%s%s\n",
- (pmc & PCI_PM_CAP_PME_D0) ? " D0" : "",
- (pmc & PCI_PM_CAP_PME_D1) ? " D1" : "",
- (pmc & PCI_PM_CAP_PME_D2) ? " D2" : "",
- (pmc & PCI_PM_CAP_PME_D3) ? " D3hot" : "",
- (pmc & PCI_PM_CAP_PME_D3cold) ? " D3cold" : "");
+ dev_info(&dev->dev, "PME# supported from%s%s%s%s%s\n",
+ (pmc & PCI_PM_CAP_PME_D0) ? " D0" : "",
+ (pmc & PCI_PM_CAP_PME_D1) ? " D1" : "",
+ (pmc & PCI_PM_CAP_PME_D2) ? " D2" : "",
+ (pmc & PCI_PM_CAP_PME_D3) ? " D3hot" : "",
+ (pmc & PCI_PM_CAP_PME_D3cold) ? " D3cold" : "");
dev->pme_support = pmc >> PCI_PM_CAP_PME_SHIFT;
/*
* Make device's PM flags reflect the wake-up capability, but
@@ -1275,6 +1299,38 @@ void pci_pm_init(struct pci_dev *dev)
}
}
+/**
+ * pci_enable_ari - enable ARI forwarding if hardware support it
+ * @dev: the PCI device
+ */
+void pci_enable_ari(struct pci_dev *dev)
+{
+ int pos;
+ u32 cap;
+ u16 ctrl;
+
+ if (!dev->is_pcie)
+ return;
+
+ if (dev->pcie_type != PCI_EXP_TYPE_ROOT_PORT &&
+ dev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM)
+ return;
+
+ pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
+ if (!pos)
+ return;
+
+ pci_read_config_dword(dev, pos + PCI_EXP_DEVCAP2, &cap);
+ if (!(cap & PCI_EXP_DEVCAP2_ARI))
+ return;
+
+ pci_read_config_word(dev, pos + PCI_EXP_DEVCTL2, &ctrl);
+ ctrl |= PCI_EXP_DEVCTL2_ARI;
+ pci_write_config_word(dev, pos + PCI_EXP_DEVCTL2, ctrl);
+
+ dev->ari_enabled = 1;
+}
+
int
pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge)
{
@@ -1358,11 +1414,10 @@ int pci_request_region(struct pci_dev *pdev, int bar, const char *res_name)
return 0;
err_out:
- dev_warn(&pdev->dev, "BAR %d: can't reserve %s region [%#llx-%#llx]\n",
+ dev_warn(&pdev->dev, "BAR %d: can't reserve %s region %pR\n",
bar,
pci_resource_flags(pdev, bar) & IORESOURCE_IO ? "I/O" : "mem",
- (unsigned long long)pci_resource_start(pdev, bar),
- (unsigned long long)pci_resource_end(pdev, bar));
+ &pdev->resource[bar]);
return -EBUSY;
}
@@ -1943,6 +1998,7 @@ EXPORT_SYMBOL(pci_restore_state);
EXPORT_SYMBOL(pci_pme_capable);
EXPORT_SYMBOL(pci_pme_active);
EXPORT_SYMBOL(pci_enable_wake);
+EXPORT_SYMBOL(pci_wake_from_d3);
EXPORT_SYMBOL(pci_target_state);
EXPORT_SYMBOL(pci_prepare_to_sleep);
EXPORT_SYMBOL(pci_back_from_sleep);
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index d807cd786f2..b205ab866a1 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -1,3 +1,9 @@
+#ifndef DRIVERS_PCI_H
+#define DRIVERS_PCI_H
+
+#define PCI_CFG_SPACE_SIZE 256
+#define PCI_CFG_SPACE_EXP_SIZE 4096
+
/* Functions internal to the PCI core code */
extern int pci_uevent(struct device *dev, struct kobj_uevent_env *env);
@@ -76,7 +82,13 @@ static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
/* Functions for PCI Hotplug drivers to use */
extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
+#ifdef HAVE_PCI_LEGACY
+extern void pci_create_legacy_files(struct pci_bus *bus);
extern void pci_remove_legacy_files(struct pci_bus *bus);
+#else
+static inline void pci_create_legacy_files(struct pci_bus *bus) { return; }
+static inline void pci_remove_legacy_files(struct pci_bus *bus) { return; }
+#endif
/* Lock for read/write access to pci device and bus lists */
extern struct rw_semaphore pci_bus_sem;
@@ -109,6 +121,7 @@ static inline int pci_no_d1d2(struct pci_dev *dev)
extern int pcie_mch_quirk;
extern struct device_attribute pci_dev_attrs[];
extern struct device_attribute dev_attr_cpuaffinity;
+extern struct device_attribute dev_attr_cpulistaffinity;
/**
* pci_match_one_device - Tell if a PCI device structure has a matching
@@ -144,3 +157,16 @@ struct pci_slot_attribute {
};
#define to_pci_slot_attr(s) container_of(s, struct pci_slot_attribute, attr)
+extern void pci_enable_ari(struct pci_dev *dev);
+/**
+ * pci_ari_enabled - query ARI forwarding status
+ * @dev: the PCI device
+ *
+ * Returns 1 if ARI forwarding is enabled, or 0 if not enabled;
+ */
+static inline int pci_ari_enabled(struct pci_dev *dev)
+{
+ return dev->ari_enabled;
+}
+
+#endif /* DRIVERS_PCI_H */
diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c
index 77036f46acf..e390707661d 100644
--- a/drivers/pci/pcie/aer/aerdrv.c
+++ b/drivers/pci/pcie/aer/aerdrv.c
@@ -105,7 +105,7 @@ static irqreturn_t aer_irq(int irq, void *context)
unsigned long flags;
int pos;
- pos = pci_find_aer_capability(pdev->port);
+ pos = pci_find_ext_capability(pdev->port, PCI_EXT_CAP_ID_ERR);
/*
* Must lock access to Root Error Status Reg, Root Error ID Reg,
* and Root error producer/consumer index
@@ -252,7 +252,7 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
u32 status;
int pos;
- pos = pci_find_aer_capability(dev);
+ pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
/* Disable Root's interrupt in response to error messages */
pci_write_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND, 0);
@@ -316,7 +316,7 @@ static void aer_error_resume(struct pci_dev *dev)
pci_write_config_word(dev, pos + PCI_EXP_DEVSTA, reg16);
/* Clean AER Root Error Status */
- pos = pci_find_aer_capability(dev);
+ pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, &status);
pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_SEVER, &mask);
if (dev->error_state == pci_channel_io_normal)
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index ee5e7b5176d..dfc63d01f20 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -28,41 +28,15 @@
static int forceload;
module_param(forceload, bool, 0);
-#define PCI_CFG_SPACE_SIZE (0x100)
-int pci_find_aer_capability(struct pci_dev *dev)
-{
- int pos;
- u32 reg32 = 0;
-
- /* Check if it's a pci-express device */
- pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
- if (!pos)
- return 0;
-
- /* Check if it supports pci-express AER */
- pos = PCI_CFG_SPACE_SIZE;
- while (pos) {
- if (pci_read_config_dword(dev, pos, &reg32))
- return 0;
-
- /* some broken boards return ~0 */
- if (reg32 == 0xffffffff)
- return 0;
-
- if (PCI_EXT_CAP_ID(reg32) == PCI_EXT_CAP_ID_ERR)
- break;
-
- pos = reg32 >> 20;
- }
-
- return pos;
-}
-
int pci_enable_pcie_error_reporting(struct pci_dev *dev)
{
u16 reg16 = 0;
int pos;
+ pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
+ if (!pos)
+ return -EIO;
+
pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
if (!pos)
return -EIO;
@@ -102,7 +76,7 @@ int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
int pos;
u32 status, mask;
- pos = pci_find_aer_capability(dev);
+ pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
if (!pos)
return -EIO;
@@ -123,7 +97,7 @@ int pci_cleanup_aer_correct_error_status(struct pci_dev *dev)
int pos;
u32 status;
- pos = pci_find_aer_capability(dev);
+ pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
if (!pos)
return -EIO;
@@ -502,7 +476,7 @@ static void handle_error_source(struct pcie_device * aerdev,
* Correctable error does not need software intevention.
* No need to go through error recovery process.
*/
- pos = pci_find_aer_capability(dev);
+ pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
if (pos)
pci_write_config_dword(dev, pos + PCI_ERR_COR_STATUS,
info.status);
@@ -542,7 +516,7 @@ void aer_enable_rootport(struct aer_rpc *rpc)
reg16 &= ~(SYSTEM_ERROR_INTR_ON_MESG_MASK);
pci_write_config_word(pdev, pos + PCI_EXP_RTCTL, reg16);
- aer_pos = pci_find_aer_capability(pdev);
+ aer_pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
/* Clear error status */
pci_read_config_dword(pdev, aer_pos + PCI_ERR_ROOT_STATUS, &reg32);
pci_write_config_dword(pdev, aer_pos + PCI_ERR_ROOT_STATUS, reg32);
@@ -579,7 +553,7 @@ static void disable_root_aer(struct aer_rpc *rpc)
u32 reg32;
int pos;
- pos = pci_find_aer_capability(pdev);
+ pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
/* Disable Root's interrupt in response to error messages */
pci_write_config_dword(pdev, pos + PCI_ERR_ROOT_COMMAND, 0);
@@ -618,7 +592,7 @@ static int get_device_error_info(struct pci_dev *dev, struct aer_err_info *info)
{
int pos;
- pos = pci_find_aer_capability(dev);
+ pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
/* The device might not support AER */
if (!pos)
@@ -755,7 +729,6 @@ int aer_init(struct pcie_device *dev)
return AER_SUCCESS;
}
-EXPORT_SYMBOL_GPL(pci_find_aer_capability);
EXPORT_SYMBOL_GPL(pci_enable_pcie_error_reporting);
EXPORT_SYMBOL_GPL(pci_disable_pcie_error_reporting);
EXPORT_SYMBOL_GPL(pci_cleanup_aer_uncorrect_error_status);
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 851f5b83cdb..8f63f4c6b85 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -528,9 +528,9 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev)
pci_read_config_dword(child_dev, child_pos + PCI_EXP_DEVCAP,
&reg32);
if (!(reg32 & PCI_EXP_DEVCAP_RBER) && !aspm_force) {
- printk("Pre-1.1 PCIe device detected, "
- "disable ASPM for %s. It can be enabled forcedly"
- " with 'pcie_aspm=force'\n", pci_name(pdev));
+ dev_printk(KERN_INFO, &child_dev->dev, "disabling ASPM"
+ " on pre-1.1 PCIe device. You can enable it"
+ " with 'pcie_aspm=force'\n");
return -EINVAL;
}
}
diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h
index 3656e0349dd..2529f3f2ea5 100644
--- a/drivers/pci/pcie/portdrv.h
+++ b/drivers/pci/pcie/portdrv.h
@@ -25,7 +25,6 @@
#define PCIE_CAPABILITIES_REG 0x2
#define PCIE_SLOT_CAPABILITIES_REG 0x14
#define PCIE_PORT_DEVICE_MAXSERVICES 4
-#define PCI_CFG_SPACE_SIZE 256
#define get_descriptor_id(type, service) (((type - 4) << 4) | service)
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 890f0d2b370..2e091e01482 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -195,24 +195,11 @@ static int get_port_device_capability(struct pci_dev *dev)
/* PME Capable - root port capability */
if (((reg16 >> 4) & PORT_TYPE_MASK) == PCIE_RC_PORT)
services |= PCIE_PORT_SERVICE_PME;
-
- pos = PCI_CFG_SPACE_SIZE;
- while (pos) {
- pci_read_config_dword(dev, pos, &reg32);
- switch (reg32 & 0xffff) {
- case PCI_EXT_CAP_ID_ERR:
- services |= PCIE_PORT_SERVICE_AER;
- pos = reg32 >> 20;
- break;
- case PCI_EXT_CAP_ID_VC:
- services |= PCIE_PORT_SERVICE_VC;
- pos = reg32 >> 20;
- break;
- default:
- pos = 0;
- break;
- }
- }
+
+ if (pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR))
+ services |= PCIE_PORT_SERVICE_AER;
+ if (pci_find_ext_capability(dev, PCI_EXT_CAP_ID_VC))
+ services |= PCIE_PORT_SERVICE_VC;
return services;
}
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 367c9c20000..584422da8d8 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -91,7 +91,7 @@ static int __devinit pcie_portdrv_probe (struct pci_dev *dev,
pci_set_master(dev);
if (!dev->irq && dev->pin) {
- dev_warn(&dev->dev, "device [%04x/%04x] has invalid IRQ; "
+ dev_warn(&dev->dev, "device [%04x:%04x] has invalid IRQ; "
"check vendor BIOS\n", dev->vendor, dev->device);
}
if (pcie_port_device_register(dev)) {
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index dd9161a054e..aaaf0a1fed2 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -14,8 +14,6 @@
#define CARDBUS_LATENCY_TIMER 176 /* secondary latency timer */
#define CARDBUS_RESERVE_BUSNR 3
-#define PCI_CFG_SPACE_SIZE 256
-#define PCI_CFG_SPACE_EXP_SIZE 4096
/* Ugh. Need to stop exporting this to modules. */
LIST_HEAD(pci_root_buses);
@@ -44,72 +42,6 @@ int no_pci_devices(void)
}
EXPORT_SYMBOL(no_pci_devices);
-#ifdef HAVE_PCI_LEGACY
-/**
- * pci_create_legacy_files - create legacy I/O port and memory files
- * @b: bus to create files under
- *
- * Some platforms allow access to legacy I/O port and ISA memory space on
- * a per-bus basis. This routine creates the files and ties them into
- * their associated read, write and mmap files from pci-sysfs.c
- *
- * On error unwind, but don't propogate the error to the caller
- * as it is ok to set up the PCI bus without these files.
- */
-static void pci_create_legacy_files(struct pci_bus *b)
-{
- int error;
-
- b->legacy_io = kzalloc(sizeof(struct bin_attribute) * 2,
- GFP_ATOMIC);
- if (!b->legacy_io)
- goto kzalloc_err;
-
- b->legacy_io->attr.name = "legacy_io";
- b->legacy_io->size = 0xffff;
- b->legacy_io->attr.mode = S_IRUSR | S_IWUSR;
- b->legacy_io->read = pci_read_legacy_io;
- b->legacy_io->write = pci_write_legacy_io;
- error = device_create_bin_file(&b->dev, b->legacy_io);
- if (error)
- goto legacy_io_err;
-
- /* Allocated above after the legacy_io struct */
- b->legacy_mem = b->legacy_io + 1;
- b->legacy_mem->attr.name = "legacy_mem";
- b->legacy_mem->size = 1024*1024;
- b->legacy_mem->attr.mode = S_IRUSR | S_IWUSR;
- b->legacy_mem->mmap = pci_mmap_legacy_mem;
- error = device_create_bin_file(&b->dev, b->legacy_mem);
- if (error)
- goto legacy_mem_err;
-
- return;
-
-legacy_mem_err:
- device_remove_bin_file(&b->dev, b->legacy_io);
-legacy_io_err:
- kfree(b->legacy_io);
- b->legacy_io = NULL;
-kzalloc_err:
- printk(KERN_WARNING "pci: warning: could not create legacy I/O port "
- "and ISA memory resources to sysfs\n");
- return;
-}
-
-void pci_remove_legacy_files(struct pci_bus *b)
-{
- if (b->legacy_io) {
- device_remove_bin_file(&b->dev, b->legacy_io);
- device_remove_bin_file(&b->dev, b->legacy_mem);
- kfree(b->legacy_io); /* both are allocated here */
- }
-}
-#else /* !HAVE_PCI_LEGACY */
-static inline void pci_create_legacy_files(struct pci_bus *bus) { return; }
-void pci_remove_legacy_files(struct pci_bus *bus) { return; }
-#endif /* HAVE_PCI_LEGACY */
-
/*
* PCI Bus Class Devices
*/
@@ -219,7 +151,7 @@ static inline enum pci_bar_type decode_bar(struct resource *res, u32 bar)
res->flags = bar & ~PCI_BASE_ADDRESS_MEM_MASK;
- if (res->flags == PCI_BASE_ADDRESS_MEM_TYPE_64)
+ if (res->flags & PCI_BASE_ADDRESS_MEM_TYPE_64)
return pci_bar_mem64;
return pci_bar_mem32;
}
@@ -304,9 +236,8 @@ static int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
} else {
res->start = l64;
res->end = l64 + sz64;
- printk(KERN_DEBUG "PCI: %s reg %x 64bit mmio: [%llx, %llx]\n",
- pci_name(dev), pos, (unsigned long long)res->start,
- (unsigned long long)res->end);
+ dev_printk(KERN_DEBUG, &dev->dev,
+ "reg %x 64bit mmio: %pR\n", pos, res);
}
} else {
sz = pci_size(l, sz, mask);
@@ -316,9 +247,10 @@ static int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
res->start = l;
res->end = l + sz;
- printk(KERN_DEBUG "PCI: %s reg %x %s: [%llx, %llx]\n", pci_name(dev),
- pos, (res->flags & IORESOURCE_IO) ? "io port":"32bit mmio",
- (unsigned long long)res->start, (unsigned long long)res->end);
+
+ dev_printk(KERN_DEBUG, &dev->dev, "reg %x %s: %pR\n", pos,
+ (res->flags & IORESOURCE_IO) ? "io port" : "32bit mmio",
+ res);
}
out:
@@ -389,9 +321,7 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
res->start = base;
if (!res->end)
res->end = limit + 0xfff;
- printk(KERN_DEBUG "PCI: bridge %s io port: [%llx, %llx]\n",
- pci_name(dev), (unsigned long long) res->start,
- (unsigned long long) res->end);
+ dev_printk(KERN_DEBUG, &dev->dev, "bridge io port: %pR\n", res);
}
res = child->resource[1];
@@ -403,9 +333,8 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
res->flags = (mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM;
res->start = base;
res->end = limit + 0xfffff;
- printk(KERN_DEBUG "PCI: bridge %s 32bit mmio: [%llx, %llx]\n",
- pci_name(dev), (unsigned long long) res->start,
- (unsigned long long) res->end);
+ dev_printk(KERN_DEBUG, &dev->dev, "bridge 32bit mmio: %pR\n",
+ res);
}
res = child->resource[2];
@@ -441,9 +370,9 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
res->flags = (mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM | IORESOURCE_PREFETCH;
res->start = base;
res->end = limit + 0xfffff;
- printk(KERN_DEBUG "PCI: bridge %s %sbit mmio pref: [%llx, %llx]\n",
- pci_name(dev), (res->flags & PCI_PREF_RANGE_TYPE_64) ? "64" : "32",
- (unsigned long long) res->start, (unsigned long long) res->end);
+ dev_printk(KERN_DEBUG, &dev->dev, "bridge %sbit mmio pref: %pR\n",
+ (res->flags & PCI_PREF_RANGE_TYPE_64) ? "64" : "32",
+ res);
}
}
@@ -764,7 +693,7 @@ static int pci_setup_device(struct pci_dev * dev)
dev->class = class;
class >>= 8;
- dev_dbg(&dev->dev, "found [%04x/%04x] class %06x header type %02x\n",
+ dev_dbg(&dev->dev, "found [%04x:%04x] class %06x header type %02x\n",
dev->vendor, dev->device, class, dev->hdr_type);
/* "Unknown power state" */
@@ -846,6 +775,11 @@ static int pci_setup_device(struct pci_dev * dev)
return 0;
}
+static void pci_release_capabilities(struct pci_dev *dev)
+{
+ pci_vpd_release(dev);
+}
+
/**
* pci_release_dev - free a pci device structure when all users of it are finished.
* @dev: device that's been disconnected
@@ -858,7 +792,7 @@ static void pci_release_dev(struct device *dev)
struct pci_dev *pci_dev;
pci_dev = to_pci_dev(dev);
- pci_vpd_release(pci_dev);
+ pci_release_capabilities(pci_dev);
kfree(pci_dev);
}
@@ -889,8 +823,9 @@ static void set_pcie_port_type(struct pci_dev *pdev)
int pci_cfg_space_size_ext(struct pci_dev *dev)
{
u32 status;
+ int pos = PCI_CFG_SPACE_SIZE;
- if (pci_read_config_dword(dev, 256, &status) != PCIBIOS_SUCCESSFUL)
+ if (pci_read_config_dword(dev, pos, &status) != PCIBIOS_SUCCESSFUL)
goto fail;
if (status == 0xffffffff)
goto fail;
@@ -938,8 +873,6 @@ struct pci_dev *alloc_pci_dev(void)
INIT_LIST_HEAD(&dev->bus_list);
- pci_msi_init_pci_dev(dev);
-
return dev;
}
EXPORT_SYMBOL(alloc_pci_dev);
@@ -951,6 +884,7 @@ EXPORT_SYMBOL(alloc_pci_dev);
static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
{
struct pci_dev *dev;
+ struct pci_slot *slot;
u32 l;
u8 hdr_type;
int delay = 1;
@@ -999,6 +933,10 @@ static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
dev->error_state = pci_channel_io_normal;
set_pcie_port_type(dev);
+ list_for_each_entry(slot, &bus->slots, list)
+ if (PCI_SLOT(devfn) == slot->number)
+ dev->slot = slot;
+
/* Assume 32-bit PCI; let 64-bit PCI cards (which are far rarer)
set this higher, assuming the system even supports it. */
dev->dma_mask = 0xffffffff;
@@ -1007,9 +945,22 @@ static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
return NULL;
}
+ return dev;
+}
+
+static void pci_init_capabilities(struct pci_dev *dev)
+{
+ /* MSI/MSI-X list */
+ pci_msi_init_pci_dev(dev);
+
+ /* Power Management */
+ pci_pm_init(dev);
+
+ /* Vital Product Data */
pci_vpd_pci22_init(dev);
- return dev;
+ /* Alternative Routing-ID Forwarding */
+ pci_enable_ari(dev);
}
void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
@@ -1028,8 +979,8 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
/* Fix up broken headers */
pci_fixup_device(pci_fixup_header, dev);
- /* Initialize power management of the device */
- pci_pm_init(dev);
+ /* Initialize various capabilities */
+ pci_init_capabilities(dev);
/*
* Add the device to our list of discovered devices
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index e872ac925b4..bbf66ea8fd8 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -24,6 +24,14 @@
#include <linux/kallsyms.h>
#include "pci.h"
+int isa_dma_bridge_buggy;
+EXPORT_SYMBOL(isa_dma_bridge_buggy);
+int pci_pci_problems;
+EXPORT_SYMBOL(pci_pci_problems);
+int pcie_mch_quirk;
+EXPORT_SYMBOL(pcie_mch_quirk);
+
+#ifdef CONFIG_PCI_QUIRKS
/* The Mellanox Tavor device gives false positive parity errors
* Mark this device with a broken_parity_status, to allow
* PCI scanning code to "skip" this now blacklisted device.
@@ -62,8 +70,6 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82441, quirk_p
This appears to be BIOS not version dependent. So presumably there is a
chipset level fix */
-int isa_dma_bridge_buggy;
-EXPORT_SYMBOL(isa_dma_bridge_buggy);
static void __devinit quirk_isa_dma_hangs(struct pci_dev *dev)
{
@@ -84,9 +90,6 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_1, quirk_isa_d
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_2, quirk_isa_dma_hangs);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_3, quirk_isa_dma_hangs);
-int pci_pci_problems;
-EXPORT_SYMBOL(pci_pci_problems);
-
/*
* Chipsets where PCI->PCI transfers vanish or hang
*/
@@ -1362,9 +1365,6 @@ static void __init quirk_alder_ioapic(struct pci_dev *pdev)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EESSC, quirk_alder_ioapic);
#endif
-int pcie_mch_quirk;
-EXPORT_SYMBOL(pcie_mch_quirk);
-
static void __devinit quirk_pcie_mch(struct pci_dev *pdev)
{
pcie_mch_quirk = 1;
@@ -1555,84 +1555,6 @@ static void __devinit fixup_rev1_53c810(struct pci_dev* dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C810, fixup_rev1_53c810);
-static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_fixup *end)
-{
- while (f < end) {
- if ((f->vendor == dev->vendor || f->vendor == (u16) PCI_ANY_ID) &&
- (f->device == dev->device || f->device == (u16) PCI_ANY_ID)) {
-#ifdef DEBUG
- dev_dbg(&dev->dev, "calling %pF\n", f->hook);
-#endif
- f->hook(dev);
- }
- f++;
- }
-}
-
-extern struct pci_fixup __start_pci_fixups_early[];
-extern struct pci_fixup __end_pci_fixups_early[];
-extern struct pci_fixup __start_pci_fixups_header[];
-extern struct pci_fixup __end_pci_fixups_header[];
-extern struct pci_fixup __start_pci_fixups_final[];
-extern struct pci_fixup __end_pci_fixups_final[];
-extern struct pci_fixup __start_pci_fixups_enable[];
-extern struct pci_fixup __end_pci_fixups_enable[];
-extern struct pci_fixup __start_pci_fixups_resume[];
-extern struct pci_fixup __end_pci_fixups_resume[];
-extern struct pci_fixup __start_pci_fixups_resume_early[];
-extern struct pci_fixup __end_pci_fixups_resume_early[];
-extern struct pci_fixup __start_pci_fixups_suspend[];
-extern struct pci_fixup __end_pci_fixups_suspend[];
-
-
-void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev)
-{
- struct pci_fixup *start, *end;
-
- switch(pass) {
- case pci_fixup_early:
- start = __start_pci_fixups_early;
- end = __end_pci_fixups_early;
- break;
-
- case pci_fixup_header:
- start = __start_pci_fixups_header;
- end = __end_pci_fixups_header;
- break;
-
- case pci_fixup_final:
- start = __start_pci_fixups_final;
- end = __end_pci_fixups_final;
- break;
-
- case pci_fixup_enable:
- start = __start_pci_fixups_enable;
- end = __end_pci_fixups_enable;
- break;
-
- case pci_fixup_resume:
- start = __start_pci_fixups_resume;
- end = __end_pci_fixups_resume;
- break;
-
- case pci_fixup_resume_early:
- start = __start_pci_fixups_resume_early;
- end = __end_pci_fixups_resume_early;
- break;
-
- case pci_fixup_suspend:
- start = __start_pci_fixups_suspend;
- end = __end_pci_fixups_suspend;
- break;
-
- default:
- /* stupid compiler warning, you would think with an enum... */
- return;
- }
- pci_do_fixups(dev, start, end);
-}
-EXPORT_SYMBOL(pci_fixup_device);
-
/* Enable 1k I/O space granularity on the Intel P64H2 */
static void __devinit quirk_p64h2_1k_io(struct pci_dev *dev)
{
@@ -2006,3 +1928,82 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4375,
quirk_msi_intx_disable_bug);
#endif /* CONFIG_PCI_MSI */
+
+static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_fixup *end)
+{
+ while (f < end) {
+ if ((f->vendor == dev->vendor || f->vendor == (u16) PCI_ANY_ID) &&
+ (f->device == dev->device || f->device == (u16) PCI_ANY_ID)) {
+ dev_dbg(&dev->dev, "calling %pF\n", f->hook);
+ f->hook(dev);
+ }
+ f++;
+ }
+}
+
+extern struct pci_fixup __start_pci_fixups_early[];
+extern struct pci_fixup __end_pci_fixups_early[];
+extern struct pci_fixup __start_pci_fixups_header[];
+extern struct pci_fixup __end_pci_fixups_header[];
+extern struct pci_fixup __start_pci_fixups_final[];
+extern struct pci_fixup __end_pci_fixups_final[];
+extern struct pci_fixup __start_pci_fixups_enable[];
+extern struct pci_fixup __end_pci_fixups_enable[];
+extern struct pci_fixup __start_pci_fixups_resume[];
+extern struct pci_fixup __end_pci_fixups_resume[];
+extern struct pci_fixup __start_pci_fixups_resume_early[];
+extern struct pci_fixup __end_pci_fixups_resume_early[];
+extern struct pci_fixup __start_pci_fixups_suspend[];
+extern struct pci_fixup __end_pci_fixups_suspend[];
+
+
+void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev)
+{
+ struct pci_fixup *start, *end;
+
+ switch(pass) {
+ case pci_fixup_early:
+ start = __start_pci_fixups_early;
+ end = __end_pci_fixups_early;
+ break;
+
+ case pci_fixup_header:
+ start = __start_pci_fixups_header;
+ end = __end_pci_fixups_header;
+ break;
+
+ case pci_fixup_final:
+ start = __start_pci_fixups_final;
+ end = __end_pci_fixups_final;
+ break;
+
+ case pci_fixup_enable:
+ start = __start_pci_fixups_enable;
+ end = __end_pci_fixups_enable;
+ break;
+
+ case pci_fixup_resume:
+ start = __start_pci_fixups_resume;
+ end = __end_pci_fixups_resume;
+ break;
+
+ case pci_fixup_resume_early:
+ start = __start_pci_fixups_resume_early;
+ end = __end_pci_fixups_resume_early;
+ break;
+
+ case pci_fixup_suspend:
+ start = __start_pci_fixups_suspend;
+ end = __end_pci_fixups_suspend;
+ break;
+
+ default:
+ /* stupid compiler warning, you would think with an enum... */
+ return;
+ }
+ pci_do_fixups(dev, start, end);
+}
+#else
+void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev) {}
+#endif
+EXPORT_SYMBOL(pci_fixup_device);
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index bdc2a44d68e..042e0892442 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -73,6 +73,7 @@ void pci_remove_bus(struct pci_bus *pci_bus)
up_write(&pci_bus_sem);
pci_remove_legacy_files(pci_bus);
device_remove_file(&pci_bus->dev, &dev_attr_cpuaffinity);
+ device_remove_file(&pci_bus->dev, &dev_attr_cpulistaffinity);
device_unregister(&pci_bus->dev);
}
EXPORT_SYMBOL(pci_remove_bus);
@@ -114,13 +115,9 @@ void pci_remove_behind_bridge(struct pci_dev *dev)
{
struct list_head *l, *n;
- if (dev->subordinate) {
- list_for_each_safe(l, n, &dev->subordinate->devices) {
- struct pci_dev *dev = pci_dev_b(l);
-
- pci_remove_bus_device(dev);
- }
- }
+ if (dev->subordinate)
+ list_for_each_safe(l, n, &dev->subordinate->devices)
+ pci_remove_bus_device(pci_dev_b(l));
}
static void pci_stop_bus_devices(struct pci_bus *bus)
diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index bd5c0e03139..1f5f6143f35 100644
--- a/drivers/pci/rom.c
+++ b/drivers/pci/rom.c
@@ -21,7 +21,7 @@
* between the ROM and other resources, so enabling it may disable access
* to MMIO registers or other card memory.
*/
-static int pci_enable_rom(struct pci_dev *pdev)
+int pci_enable_rom(struct pci_dev *pdev)
{
struct resource *res = pdev->resource + PCI_ROM_RESOURCE;
struct pci_bus_region region;
@@ -45,7 +45,7 @@ static int pci_enable_rom(struct pci_dev *pdev)
* Disable ROM decoding on a PCI device by turning off the last bit in the
* ROM BAR.
*/
-static void pci_disable_rom(struct pci_dev *pdev)
+void pci_disable_rom(struct pci_dev *pdev)
{
u32 rom_addr;
pci_read_config_dword(pdev, pdev->rom_base_reg, &rom_addr);
@@ -260,3 +260,5 @@ void pci_cleanup_rom(struct pci_dev *pdev)
EXPORT_SYMBOL(pci_map_rom);
EXPORT_SYMBOL(pci_unmap_rom);
+EXPORT_SYMBOL_GPL(pci_enable_rom);
+EXPORT_SYMBOL_GPL(pci_disable_rom);
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index d5e2106760f..ea979f2bc6d 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -299,7 +299,7 @@ static void pbus_size_io(struct pci_bus *bus)
if (r->parent || !(r->flags & IORESOURCE_IO))
continue;
- r_size = r->end - r->start + 1;
+ r_size = resource_size(r);
if (r_size < 0x400)
/* Might be re-aligned for ISA */
@@ -350,16 +350,13 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask, unsigned long
if (r->parent || (r->flags & mask) != type)
continue;
- r_size = r->end - r->start + 1;
+ r_size = resource_size(r);
/* For bridges size != alignment */
align = resource_alignment(r);
order = __ffs(align) - 20;
if (order > 11) {
dev_warn(&dev->dev, "BAR %d bad alignment %llx: "
- "%#016llx-%#016llx\n", i,
- (unsigned long long)align,
- (unsigned long long)r->start,
- (unsigned long long)r->end);
+ "%pR\n", i, (unsigned long long)align, r);
r->flags = 0;
continue;
}
@@ -539,11 +536,9 @@ static void pci_bus_dump_res(struct pci_bus *bus)
if (!res)
continue;
- printk(KERN_INFO "bus: %02x index %x %s: [%llx, %llx]\n",
- bus->number, i,
- (res->flags & IORESOURCE_IO) ? "io port" : "mmio",
- (unsigned long long) res->start,
- (unsigned long long) res->end);
+ printk(KERN_INFO "bus: %02x index %x %s: %pR\n",
+ bus->number, i,
+ (res->flags & IORESOURCE_IO) ? "io port" : "mmio", res);
}
}
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 1a5fc83c71b..2dbd96cce2d 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -49,10 +49,8 @@ void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno)
pcibios_resource_to_bus(dev, &region, res);
- dev_dbg(&dev->dev, "BAR %d: got res [%#llx-%#llx] bus [%#llx-%#llx] "
- "flags %#lx\n", resno,
- (unsigned long long)res->start,
- (unsigned long long)res->end,
+ dev_dbg(&dev->dev, "BAR %d: got res %pR bus [%#llx-%#llx] "
+ "flags %#lx\n", resno, res,
(unsigned long long)region.start,
(unsigned long long)region.end,
(unsigned long)res->flags);
@@ -114,13 +112,11 @@ int pci_claim_resource(struct pci_dev *dev, int resource)
err = insert_resource(root, res);
if (err) {
- dev_err(&dev->dev, "BAR %d: %s of %s [%#llx-%#llx]\n",
+ dev_err(&dev->dev, "BAR %d: %s of %s %pR\n",
resource,
root ? "address space collision on" :
"no parent found for",
- dtype,
- (unsigned long long)res->start,
- (unsigned long long)res->end);
+ dtype, res);
}
return err;
@@ -133,15 +129,14 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
resource_size_t size, min, align;
int ret;
- size = res->end - res->start + 1;
+ size = resource_size(res);
min = (res->flags & IORESOURCE_IO) ? PCIBIOS_MIN_IO : PCIBIOS_MIN_MEM;
align = resource_alignment(res);
if (!align) {
dev_err(&dev->dev, "BAR %d: can't allocate resource (bogus "
- "alignment) [%#llx-%#llx] flags %#lx\n",
- resno, (unsigned long long)res->start,
- (unsigned long long)res->end, res->flags);
+ "alignment) %pR flags %#lx\n",
+ resno, res, res->flags);
return -EINVAL;
}
@@ -162,11 +157,8 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
}
if (ret) {
- dev_err(&dev->dev, "BAR %d: can't allocate %s resource "
- "[%#llx-%#llx]\n", resno,
- res->flags & IORESOURCE_IO ? "I/O" : "mem",
- (unsigned long long)res->start,
- (unsigned long long)res->end);
+ dev_err(&dev->dev, "BAR %d: can't allocate %s resource %pR\n",
+ resno, res->flags & IORESOURCE_IO ? "I/O" : "mem", res);
} else {
res->flags &= ~IORESOURCE_STARTALIGN;
if (resno < PCI_BRIDGE_RESOURCES)
@@ -202,11 +194,8 @@ int pci_assign_resource_fixed(struct pci_dev *dev, int resno)
}
if (ret) {
- dev_err(&dev->dev, "BAR %d: can't allocate %s resource "
- "[%#llx-%#llx\n]", resno,
- res->flags & IORESOURCE_IO ? "I/O" : "mem",
- (unsigned long long)res->start,
- (unsigned long long)res->end);
+ dev_err(&dev->dev, "BAR %d: can't allocate %s resource %pR\n",
+ resno, res->flags & IORESOURCE_IO ? "I/O" : "mem", res);
} else if (resno < PCI_BRIDGE_RESOURCES) {
pci_update_resource(dev, res, resno);
}
@@ -237,9 +226,8 @@ void pdev_sort_resources(struct pci_dev *dev, struct resource_list *head)
r_align = resource_alignment(r);
if (!r_align) {
dev_warn(&dev->dev, "BAR %d: bogus alignment "
- "[%#llx-%#llx] flags %#lx\n",
- i, (unsigned long long)r->start,
- (unsigned long long)r->end, r->flags);
+ "%pR flags %#lx\n",
+ i, r, r->flags);
continue;
}
for (list = head; ; list = list->next) {
@@ -287,9 +275,7 @@ int pci_enable_resources(struct pci_dev *dev, int mask)
if (!r->parent) {
dev_err(&dev->dev, "device not available because of "
- "BAR %d [%#llx-%#llx] collisions\n", i,
- (unsigned long long) r->start,
- (unsigned long long) r->end);
+ "BAR %d %pR collisions\n", i, r);
return -EINVAL;
}
diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index 7e5b85cbd94..0c6db03698e 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -49,11 +49,16 @@ static ssize_t address_read_file(struct pci_slot *slot, char *buf)
static void pci_slot_release(struct kobject *kobj)
{
+ struct pci_dev *dev;
struct pci_slot *slot = to_pci_slot(kobj);
pr_debug("%s: releasing pci_slot on %x:%d\n", __func__,
slot->bus->number, slot->number);
+ list_for_each_entry(dev, &slot->bus->devices, bus_list)
+ if (PCI_SLOT(dev->devfn) == slot->number)
+ dev->slot = NULL;
+
list_del(&slot->list);
kfree(slot);
@@ -108,6 +113,7 @@ static struct kobj_type pci_slot_ktype = {
struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr,
const char *name)
{
+ struct pci_dev *dev;
struct pci_slot *slot;
int err;
@@ -150,6 +156,10 @@ placeholder:
INIT_LIST_HEAD(&slot->list);
list_add(&slot->list, &parent->slots);
+ list_for_each_entry(dev, &parent->devices, bus_list)
+ if (PCI_SLOT(dev->devfn) == slot_nr)
+ dev->slot = slot;
+
/* Don't care if debug printk has a -1 for slot_nr */
pr_debug("%s: created pci_slot on %04x:%02x:%02x\n",
__func__, pci_domain_nr(parent), parent->number, slot_nr);
diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index a0ffb8ebfe0..9e1140f085f 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -273,7 +273,7 @@ static int __init at91_cf_probe(struct platform_device *pdev)
goto fail0d;
cf->socket.pci_irq = board->irq_pin;
} else
- cf->socket.pci_irq = NR_IRQS + 1;
+ cf->socket.pci_irq = nr_irqs + 1;
/* pcmcia layer only remaps "real" memory not iospace */
cf->socket.io_offset = (unsigned long)
diff --git a/drivers/pcmcia/hd64465_ss.c b/drivers/pcmcia/hd64465_ss.c
index 117dc12ab43..9ef69cdb318 100644
--- a/drivers/pcmcia/hd64465_ss.c
+++ b/drivers/pcmcia/hd64465_ss.c
@@ -233,15 +233,18 @@ static struct hw_interrupt_type hd64465_ss_irq_type = {
*/
static void hs_map_irq(hs_socket_t *sp, unsigned int irq)
{
+ struct irq_desc *desc;
+
DPRINTK("hs_map_irq(sock=%d irq=%d)\n", sp->number, irq);
if (irq >= HS_NUM_MAPPED_IRQS)
return;
+ desc = irq_to_desc(irq);
hs_mapped_irq[irq].sock = sp;
/* insert ourselves as the irq controller */
- hs_mapped_irq[irq].old_handler = irq_desc[irq].chip;
- irq_desc[irq].chip = &hd64465_ss_irq_type;
+ hs_mapped_irq[irq].old_handler = desc->chip;
+ desc->chip = &hd64465_ss_irq_type;
}
@@ -250,13 +253,16 @@ static void hs_map_irq(hs_socket_t *sp, unsigned int irq)
*/
static void hs_unmap_irq(hs_socket_t *sp, unsigned int irq)
{
+ struct irq_desc *desc;
+
DPRINTK("hs_unmap_irq(sock=%d irq=%d)\n", sp->number, irq);
if (irq >= HS_NUM_MAPPED_IRQS)
return;
+ desc = irq_to_desc(irq);
/* restore the original irq controller */
- irq_desc[irq].chip = hs_mapped_irq[irq].old_handler;
+ desc->chip = hs_mapped_irq[irq].old_handler;
}
/*============================================================*/
diff --git a/drivers/pcmcia/vrc4171_card.c b/drivers/pcmcia/vrc4171_card.c
index eee2f1cb213..b2c41241905 100644
--- a/drivers/pcmcia/vrc4171_card.c
+++ b/drivers/pcmcia/vrc4171_card.c
@@ -639,7 +639,7 @@ static int __devinit vrc4171_card_setup(char *options)
int irq;
options += 4;
irq = simple_strtoul(options, &options, 0);
- if (irq >= 0 && irq < NR_IRQS)
+ if (irq >= 0 && irq < nr_irqs)
vrc4171_irq = irq;
if (*options != ',')
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 63bb5791044..8e0c2b47803 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -51,7 +51,7 @@ config BATTERY_OLPC
config BATTERY_TOSA
tristate "Sharp SL-6000 (tosa) battery"
- depends on MACH_TOSA && MFD_TC6393XB
+ depends on MACH_TOSA && MFD_TC6393XB && TOUCHSCREEN_WM97XX
help
Say Y to enable support for the battery on the Sharp Zaurus
SL-6000 (tosa) models.
@@ -62,4 +62,10 @@ config BATTERY_WM97XX
help
Say Y to enable support for battery measured by WM97xx aux port.
+config BATTERY_BQ27x00
+ tristate "BQ27200 battery driver"
+ depends on I2C
+ help
+ Say Y here to enable support for batteries with BQ27200(I2C) chip.
+
endif # POWER_SUPPLY
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index 4e20026cc45..e8f1ecec5d8 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -21,4 +21,5 @@ obj-$(CONFIG_BATTERY_DS2760) += ds2760_battery.o
obj-$(CONFIG_BATTERY_PMU) += pmu_battery.o
obj-$(CONFIG_BATTERY_OLPC) += olpc_battery.o
obj-$(CONFIG_BATTERY_TOSA) += tosa_battery.o
-obj-$(CONFIG_BATTERY_WM97XX) += wm97xx_battery.o \ No newline at end of file
+obj-$(CONFIG_BATTERY_WM97XX) += wm97xx_battery.o
+obj-$(CONFIG_BATTERY_BQ27x00) += bq27x00_battery.o
diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
new file mode 100644
index 00000000000..0c056fcc01c
--- /dev/null
+++ b/drivers/power/bq27x00_battery.c
@@ -0,0 +1,381 @@
+/*
+ * BQ27x00 battery driver
+ *
+ * Copyright (C) 2008 Rodolfo Giometti <giometti@linux.it>
+ * Copyright (C) 2008 Eurotech S.p.A. <info@eurotech.it>
+ *
+ * Based on a previous work by Copyright (C) 2008 Texas Instruments, Inc.
+ *
+ * This package is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
+#include <linux/module.h>
+#include <linux/param.h>
+#include <linux/jiffies.h>
+#include <linux/workqueue.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/idr.h>
+#include <linux/i2c.h>
+#include <asm/unaligned.h>
+
+#define DRIVER_VERSION "1.0.0"
+
+#define BQ27x00_REG_TEMP 0x06
+#define BQ27x00_REG_VOLT 0x08
+#define BQ27x00_REG_RSOC 0x0B /* Relative State-of-Charge */
+#define BQ27x00_REG_AI 0x14
+#define BQ27x00_REG_FLAGS 0x0A
+
+/* If the system has several batteries we need a different name for each
+ * of them...
+ */
+static DEFINE_IDR(battery_id);
+static DEFINE_MUTEX(battery_mutex);
+
+struct bq27x00_device_info;
+struct bq27x00_access_methods {
+ int (*read)(u8 reg, int *rt_value, int b_single,
+ struct bq27x00_device_info *di);
+};
+
+struct bq27x00_device_info {
+ struct device *dev;
+ int id;
+ int voltage_uV;
+ int current_uA;
+ int temp_C;
+ int charge_rsoc;
+ struct bq27x00_access_methods *bus;
+ struct power_supply bat;
+
+ struct i2c_client *client;
+};
+
+static enum power_supply_property bq27x00_battery_props[] = {
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_CAPACITY,
+ POWER_SUPPLY_PROP_TEMP,
+};
+
+/*
+ * Common code for BQ27x00 devices
+ */
+
+static int bq27x00_read(u8 reg, int *rt_value, int b_single,
+ struct bq27x00_device_info *di)
+{
+ int ret;
+
+ ret = di->bus->read(reg, rt_value, b_single, di);
+ *rt_value = be16_to_cpu(*rt_value);
+
+ return ret;
+}
+
+/*
+ * Return the battery temperature in Celcius degrees
+ * Or < 0 if something fails.
+ */
+static int bq27x00_battery_temperature(struct bq27x00_device_info *di)
+{
+ int ret;
+ int temp = 0;
+
+ ret = bq27x00_read(BQ27x00_REG_TEMP, &temp, 0, di);
+ if (ret) {
+ dev_err(di->dev, "error reading temperature\n");
+ return ret;
+ }
+
+ return (temp >> 2) - 273;
+}
+
+/*
+ * Return the battery Voltage in milivolts
+ * Or < 0 if something fails.
+ */
+static int bq27x00_battery_voltage(struct bq27x00_device_info *di)
+{
+ int ret;
+ int volt = 0;
+
+ ret = bq27x00_read(BQ27x00_REG_VOLT, &volt, 0, di);
+ if (ret) {
+ dev_err(di->dev, "error reading voltage\n");
+ return ret;
+ }
+
+ return volt;
+}
+
+/*
+ * Return the battery average current
+ * Note that current can be negative signed as well
+ * Or 0 if something fails.
+ */
+static int bq27x00_battery_current(struct bq27x00_device_info *di)
+{
+ int ret;
+ int curr = 0;
+ int flags = 0;
+
+ ret = bq27x00_read(BQ27x00_REG_AI, &curr, 0, di);
+ if (ret) {
+ dev_err(di->dev, "error reading current\n");
+ return 0;
+ }
+ ret = bq27x00_read(BQ27x00_REG_FLAGS, &flags, 0, di);
+ if (ret < 0) {
+ dev_err(di->dev, "error reading flags\n");
+ return 0;
+ }
+ if ((flags & (1 << 7)) != 0) {
+ dev_dbg(di->dev, "negative current!\n");
+ return -curr;
+ }
+ return curr;
+}
+
+/*
+ * Return the battery Relative State-of-Charge
+ * Or < 0 if something fails.
+ */
+static int bq27x00_battery_rsoc(struct bq27x00_device_info *di)
+{
+ int ret;
+ int rsoc = 0;
+
+ ret = bq27x00_read(BQ27x00_REG_RSOC, &rsoc, 1, di);
+ if (ret) {
+ dev_err(di->dev, "error reading relative State-of-Charge\n");
+ return ret;
+ }
+
+ return rsoc >> 8;
+}
+
+#define to_bq27x00_device_info(x) container_of((x), \
+ struct bq27x00_device_info, bat);
+
+static int bq27x00_battery_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct bq27x00_device_info *di = to_bq27x00_device_info(psy);
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ case POWER_SUPPLY_PROP_PRESENT:
+ val->intval = bq27x00_battery_voltage(di);
+ if (psp == POWER_SUPPLY_PROP_PRESENT)
+ val->intval = val->intval <= 0 ? 0 : 1;
+ break;
+ case POWER_SUPPLY_PROP_CURRENT_NOW:
+ val->intval = bq27x00_battery_current(di);
+ break;
+ case POWER_SUPPLY_PROP_CAPACITY:
+ val->intval = bq27x00_battery_rsoc(di);
+ break;
+ case POWER_SUPPLY_PROP_TEMP:
+ val->intval = bq27x00_battery_temperature(di);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void bq27x00_powersupply_init(struct bq27x00_device_info *di)
+{
+ di->bat.type = POWER_SUPPLY_TYPE_BATTERY;
+ di->bat.properties = bq27x00_battery_props;
+ di->bat.num_properties = ARRAY_SIZE(bq27x00_battery_props);
+ di->bat.get_property = bq27x00_battery_get_property;
+ di->bat.external_power_changed = NULL;
+}
+
+/*
+ * BQ27200 specific code
+ */
+
+static int bq27200_read(u8 reg, int *rt_value, int b_single,
+ struct bq27x00_device_info *di)
+{
+ struct i2c_client *client = di->client;
+ struct i2c_msg msg[1];
+ unsigned char data[2];
+ int err;
+
+ if (!client->adapter)
+ return -ENODEV;
+
+ msg->addr = client->addr;
+ msg->flags = 0;
+ msg->len = 1;
+ msg->buf = data;
+
+ data[0] = reg;
+ err = i2c_transfer(client->adapter, msg, 1);
+
+ if (err >= 0) {
+ if (!b_single)
+ msg->len = 2;
+ else
+ msg->len = 1;
+
+ msg->flags = I2C_M_RD;
+ err = i2c_transfer(client->adapter, msg, 1);
+ if (err >= 0) {
+ if (!b_single)
+ *rt_value = get_unaligned_be16(data);
+ else
+ *rt_value = data[0];
+
+ return 0;
+ }
+ }
+ return err;
+}
+
+static int bq27200_battery_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ char *name;
+ struct bq27x00_device_info *di;
+ struct bq27x00_access_methods *bus;
+ int num;
+ int retval = 0;
+
+ /* Get new ID for the new battery device */
+ retval = idr_pre_get(&battery_id, GFP_KERNEL);
+ if (retval == 0)
+ return -ENOMEM;
+ mutex_lock(&battery_mutex);
+ retval = idr_get_new(&battery_id, client, &num);
+ mutex_unlock(&battery_mutex);
+ if (retval < 0)
+ return retval;
+
+ name = kasprintf(GFP_KERNEL, "bq27200-%d", num);
+ if (!name) {
+ dev_err(&client->dev, "failed to allocate device name\n");
+ retval = -ENOMEM;
+ goto batt_failed_1;
+ }
+
+ di = kzalloc(sizeof(*di), GFP_KERNEL);
+ if (!di) {
+ dev_err(&client->dev, "failed to allocate device info data\n");
+ retval = -ENOMEM;
+ goto batt_failed_2;
+ }
+ di->id = num;
+
+ bus = kzalloc(sizeof(*bus), GFP_KERNEL);
+ if (!bus) {
+ dev_err(&client->dev, "failed to allocate access method "
+ "data\n");
+ retval = -ENOMEM;
+ goto batt_failed_3;
+ }
+
+ i2c_set_clientdata(client, di);
+ di->dev = &client->dev;
+ di->bat.name = name;
+ bus->read = &bq27200_read;
+ di->bus = bus;
+ di->client = client;
+
+ bq27x00_powersupply_init(di);
+
+ retval = power_supply_register(&client->dev, &di->bat);
+ if (retval) {
+ dev_err(&client->dev, "failed to register battery\n");
+ goto batt_failed_4;
+ }
+
+ dev_info(&client->dev, "support ver. %s enabled\n", DRIVER_VERSION);
+
+ return 0;
+
+batt_failed_4:
+ kfree(bus);
+batt_failed_3:
+ kfree(di);
+batt_failed_2:
+ kfree(name);
+batt_failed_1:
+ mutex_lock(&battery_mutex);
+ idr_remove(&battery_id, num);
+ mutex_unlock(&battery_mutex);
+
+ return retval;
+}
+
+static int bq27200_battery_remove(struct i2c_client *client)
+{
+ struct bq27x00_device_info *di = i2c_get_clientdata(client);
+
+ power_supply_unregister(&di->bat);
+
+ kfree(di->bat.name);
+
+ mutex_lock(&battery_mutex);
+ idr_remove(&battery_id, di->id);
+ mutex_unlock(&battery_mutex);
+
+ kfree(di);
+
+ return 0;
+}
+
+/*
+ * Module stuff
+ */
+
+static const struct i2c_device_id bq27200_id[] = {
+ { "bq27200", 0 },
+ {},
+};
+
+static struct i2c_driver bq27200_battery_driver = {
+ .driver = {
+ .name = "bq27200-battery",
+ },
+ .probe = bq27200_battery_probe,
+ .remove = bq27200_battery_remove,
+ .id_table = bq27200_id,
+};
+
+static int __init bq27x00_battery_init(void)
+{
+ int ret;
+
+ ret = i2c_add_driver(&bq27200_battery_driver);
+ if (ret)
+ printk(KERN_ERR "Unable to register BQ27200 driver\n");
+
+ return ret;
+}
+module_init(bq27x00_battery_init);
+
+static void __exit bq27x00_battery_exit(void)
+{
+ i2c_del_driver(&bq27200_battery_driver);
+}
+module_exit(bq27x00_battery_exit);
+
+MODULE_AUTHOR("Rodolfo Giometti <giometti@linux.it>");
+MODULE_DESCRIPTION("BQ27x00 battery monitor driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c
index 0471ec743ab..d30bb766fce 100644
--- a/drivers/power/pda_power.c
+++ b/drivers/power/pda_power.c
@@ -334,13 +334,16 @@ static int pda_power_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM
+static int ac_wakeup_enabled;
+static int usb_wakeup_enabled;
+
static int pda_power_suspend(struct platform_device *pdev, pm_message_t state)
{
if (device_may_wakeup(&pdev->dev)) {
if (ac_irq)
- enable_irq_wake(ac_irq->start);
+ ac_wakeup_enabled = !enable_irq_wake(ac_irq->start);
if (usb_irq)
- enable_irq_wake(usb_irq->start);
+ usb_wakeup_enabled = !enable_irq_wake(usb_irq->start);
}
return 0;
@@ -349,9 +352,9 @@ static int pda_power_suspend(struct platform_device *pdev, pm_message_t state)
static int pda_power_resume(struct platform_device *pdev)
{
if (device_may_wakeup(&pdev->dev)) {
- if (usb_irq)
+ if (usb_irq && usb_wakeup_enabled)
disable_irq_wake(usb_irq->start);
- if (ac_irq)
+ if (ac_irq && ac_wakeup_enabled)
disable_irq_wake(ac_irq->start);
}
diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c
index 3007695f90c..5520040449c 100644
--- a/drivers/power/power_supply_core.c
+++ b/drivers/power/power_supply_core.c
@@ -87,6 +87,30 @@ int power_supply_am_i_supplied(struct power_supply *psy)
return error;
}
+static int __power_supply_is_system_supplied(struct device *dev, void *data)
+{
+ union power_supply_propval ret = {0,};
+ struct power_supply *psy = dev_get_drvdata(dev);
+
+ if (psy->type != POWER_SUPPLY_TYPE_BATTERY) {
+ if (psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &ret))
+ return 0;
+ if (ret.intval)
+ return ret.intval;
+ }
+ return 0;
+}
+
+int power_supply_is_system_supplied(void)
+{
+ int error;
+
+ error = class_for_each_device(power_supply_class, NULL, NULL,
+ __power_supply_is_system_supplied);
+
+ return error;
+}
+
int power_supply_register(struct device *parent, struct power_supply *psy)
{
int rc = 0;
@@ -148,6 +172,7 @@ static void __exit power_supply_class_exit(void)
EXPORT_SYMBOL_GPL(power_supply_changed);
EXPORT_SYMBOL_GPL(power_supply_am_i_supplied);
+EXPORT_SYMBOL_GPL(power_supply_is_system_supplied);
EXPORT_SYMBOL_GPL(power_supply_register);
EXPORT_SYMBOL_GPL(power_supply_unregister);
diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index fe2aeb11939..23ae8460f5c 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -30,7 +30,7 @@
#define POWER_SUPPLY_ATTR(_name) \
{ \
- .attr = { .name = #_name, .mode = 0444, .owner = THIS_MODULE }, \
+ .attr = { .name = #_name, .mode = 0444 }, \
.show = power_supply_show_property, \
.store = NULL, \
}
diff --git a/drivers/ps3/ps3av.c b/drivers/ps3/ps3av.c
index 6f2f90ebb02..06848b254d5 100644
--- a/drivers/ps3/ps3av.c
+++ b/drivers/ps3/ps3av.c
@@ -915,6 +915,22 @@ int ps3av_video_mute(int mute)
EXPORT_SYMBOL_GPL(ps3av_video_mute);
+/* mute analog output only */
+int ps3av_audio_mute_analog(int mute)
+{
+ int i, res;
+
+ for (i = 0; i < ps3av->av_hw_conf.num_of_avmulti; i++) {
+ res = ps3av_cmd_av_audio_mute(1,
+ &ps3av->av_port[i + ps3av->av_hw_conf.num_of_hdmi],
+ mute);
+ if (res < 0)
+ return -1;
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ps3av_audio_mute_analog);
+
int ps3av_audio_mute(int mute)
{
return ps3av_set_audio_mute(mute ? PS3AV_CMD_MUTE_ON
diff --git a/drivers/ps3/ps3av_cmd.c b/drivers/ps3/ps3av_cmd.c
index 7f880c26122..11eb50318fe 100644
--- a/drivers/ps3/ps3av_cmd.c
+++ b/drivers/ps3/ps3av_cmd.c
@@ -660,9 +660,10 @@ u32 ps3av_cmd_set_av_audio_param(void *p, u32 port,
}
/* default cs val */
-static const u8 ps3av_mode_cs_info[] = {
+u8 ps3av_mode_cs_info[] = {
0x00, 0x09, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00
};
+EXPORT_SYMBOL_GPL(ps3av_mode_cs_info);
#define CS_44 0x00
#define CS_48 0x02
@@ -677,7 +678,7 @@ void ps3av_cmd_set_audio_mode(struct ps3av_pkt_audio_mode *audio, u32 avport,
u32 ch, u32 fs, u32 word_bits, u32 format,
u32 source)
{
- int spdif_through, spdif_bitstream;
+ int spdif_through;
int i;
if (!(ch | fs | format | word_bits | source)) {
@@ -687,7 +688,6 @@ void ps3av_cmd_set_audio_mode(struct ps3av_pkt_audio_mode *audio, u32 avport,
format = PS3AV_CMD_AUDIO_FORMAT_PCM;
source = PS3AV_CMD_AUDIO_SOURCE_SERIAL;
}
- spdif_through = spdif_bitstream = 0; /* XXX not supported */
/* audio mode */
memset(audio, 0, sizeof(*audio));
@@ -777,16 +777,17 @@ void ps3av_cmd_set_audio_mode(struct ps3av_pkt_audio_mode *audio, u32 avport,
break;
}
+ /* non-audio bit */
+ spdif_through = audio->audio_cs_info[0] & 0x02;
+
/* pass through setting */
if (spdif_through &&
(avport == PS3AV_CMD_AVPORT_SPDIF_0 ||
- avport == PS3AV_CMD_AVPORT_SPDIF_1)) {
+ avport == PS3AV_CMD_AVPORT_SPDIF_1 ||
+ avport == PS3AV_CMD_AVPORT_HDMI_0 ||
+ avport == PS3AV_CMD_AVPORT_HDMI_1)) {
audio->audio_word_bits = PS3AV_CMD_AUDIO_WORD_BITS_16;
- audio->audio_source = PS3AV_CMD_AUDIO_SOURCE_SPDIF;
- if (spdif_bitstream) {
- audio->audio_format = PS3AV_CMD_AUDIO_FORMAT_BITSTREAM;
- audio->audio_cs_info[0] |= CS_BIT;
- }
+ audio->audio_format = PS3AV_CMD_AUDIO_FORMAT_BITSTREAM;
}
}
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index f660ef3e5b2..814f49fde53 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -610,6 +610,14 @@ config RTC_DRV_RS5C313
help
If you say yes here you get support for the Ricoh RS5C313 RTC chips.
+config RTC_DRV_PARISC
+ tristate "PA-RISC firmware RTC support"
+ depends on PARISC
+ help
+ Say Y or M here to enable RTC support on PA-RISC systems using
+ firmware calls. If you do not know what you are doing, you should
+ just say Y.
+
config RTC_DRV_PPC
tristate "PowerPC machine dependent RTC support"
depends on PPC
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index d05928b3ca9..d6a9ac7176e 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -51,6 +51,7 @@ obj-$(CONFIG_RTC_DRV_PCF8563) += rtc-pcf8563.o
obj-$(CONFIG_RTC_DRV_PCF8583) += rtc-pcf8583.o
obj-$(CONFIG_RTC_DRV_PL030) += rtc-pl030.o
obj-$(CONFIG_RTC_DRV_PL031) += rtc-pl031.o
+obj-$(CONFIG_RTC_DRV_PARISC) += rtc-parisc.o
obj-$(CONFIG_RTC_DRV_PPC) += rtc-ppc.o
obj-$(CONFIG_RTC_DRV_R9701) += rtc-r9701.o
obj-$(CONFIG_RTC_DRV_RS5C313) += rtc-rs5c313.o
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index 37082616482..b5bf9370691 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -53,21 +53,21 @@ static void at91_rtc_decodetime(unsigned int timereg, unsigned int calreg,
} while ((time != at91_sys_read(timereg)) ||
(date != at91_sys_read(calreg)));
- tm->tm_sec = BCD2BIN((time & AT91_RTC_SEC) >> 0);
- tm->tm_min = BCD2BIN((time & AT91_RTC_MIN) >> 8);
- tm->tm_hour = BCD2BIN((time & AT91_RTC_HOUR) >> 16);
+ tm->tm_sec = bcd2bin((time & AT91_RTC_SEC) >> 0);
+ tm->tm_min = bcd2bin((time & AT91_RTC_MIN) >> 8);
+ tm->tm_hour = bcd2bin((time & AT91_RTC_HOUR) >> 16);
/*
* The Calendar Alarm register does not have a field for
* the year - so these will return an invalid value. When an
* alarm is set, at91_alarm_year wille store the current year.
*/
- tm->tm_year = BCD2BIN(date & AT91_RTC_CENT) * 100; /* century */
- tm->tm_year += BCD2BIN((date & AT91_RTC_YEAR) >> 8); /* year */
+ tm->tm_year = bcd2bin(date & AT91_RTC_CENT) * 100; /* century */
+ tm->tm_year += bcd2bin((date & AT91_RTC_YEAR) >> 8); /* year */
- tm->tm_wday = BCD2BIN((date & AT91_RTC_DAY) >> 21) - 1; /* day of the week [0-6], Sunday=0 */
- tm->tm_mon = BCD2BIN((date & AT91_RTC_MONTH) >> 16) - 1;
- tm->tm_mday = BCD2BIN((date & AT91_RTC_DATE) >> 24);
+ tm->tm_wday = bcd2bin((date & AT91_RTC_DAY) >> 21) - 1; /* day of the week [0-6], Sunday=0 */
+ tm->tm_mon = bcd2bin((date & AT91_RTC_MONTH) >> 16) - 1;
+ tm->tm_mday = bcd2bin((date & AT91_RTC_DATE) >> 24);
}
/*
@@ -106,16 +106,16 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm)
at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD);
at91_sys_write(AT91_RTC_TIMR,
- BIN2BCD(tm->tm_sec) << 0
- | BIN2BCD(tm->tm_min) << 8
- | BIN2BCD(tm->tm_hour) << 16);
+ bin2bcd(tm->tm_sec) << 0
+ | bin2bcd(tm->tm_min) << 8
+ | bin2bcd(tm->tm_hour) << 16);
at91_sys_write(AT91_RTC_CALR,
- BIN2BCD((tm->tm_year + 1900) / 100) /* century */
- | BIN2BCD(tm->tm_year % 100) << 8 /* year */
- | BIN2BCD(tm->tm_mon + 1) << 16 /* tm_mon starts at zero */
- | BIN2BCD(tm->tm_wday + 1) << 21 /* day of the week [0-6], Sunday=0 */
- | BIN2BCD(tm->tm_mday) << 24);
+ bin2bcd((tm->tm_year + 1900) / 100) /* century */
+ | bin2bcd(tm->tm_year % 100) << 8 /* year */
+ | bin2bcd(tm->tm_mon + 1) << 16 /* tm_mon starts at zero */
+ | bin2bcd(tm->tm_wday + 1) << 21 /* day of the week [0-6], Sunday=0 */
+ | bin2bcd(tm->tm_mday) << 24);
/* Restart Time/Calendar */
cr = at91_sys_read(AT91_RTC_CR);
@@ -162,13 +162,13 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
at91_sys_write(AT91_RTC_IDR, AT91_RTC_ALARM);
at91_sys_write(AT91_RTC_TIMALR,
- BIN2BCD(tm.tm_sec) << 0
- | BIN2BCD(tm.tm_min) << 8
- | BIN2BCD(tm.tm_hour) << 16
+ bin2bcd(tm.tm_sec) << 0
+ | bin2bcd(tm.tm_min) << 8
+ | bin2bcd(tm.tm_hour) << 16
| AT91_RTC_HOUREN | AT91_RTC_MINEN | AT91_RTC_SECEN);
at91_sys_write(AT91_RTC_CALALR,
- BIN2BCD(tm.tm_mon + 1) << 16 /* tm_mon starts at zero */
- | BIN2BCD(tm.tm_mday) << 24
+ bin2bcd(tm.tm_mon + 1) << 16 /* tm_mon starts at zero */
+ | bin2bcd(tm.tm_mday) << 24
| AT91_RTC_DATEEN | AT91_RTC_MTHEN);
if (alrm->enabled) {
diff --git a/drivers/rtc/rtc-bq4802.c b/drivers/rtc/rtc-bq4802.c
index 189a018bdf3..d00a274df8f 100644
--- a/drivers/rtc/rtc-bq4802.c
+++ b/drivers/rtc/rtc-bq4802.c
@@ -71,14 +71,14 @@ static int bq4802_read_time(struct device *dev, struct rtc_time *tm)
spin_unlock_irqrestore(&p->lock, flags);
- BCD_TO_BIN(tm->tm_sec);
- BCD_TO_BIN(tm->tm_min);
- BCD_TO_BIN(tm->tm_hour);
- BCD_TO_BIN(tm->tm_mday);
- BCD_TO_BIN(tm->tm_mon);
- BCD_TO_BIN(tm->tm_year);
- BCD_TO_BIN(tm->tm_wday);
- BCD_TO_BIN(century);
+ tm->tm_sec = bcd2bin(tm->tm_sec);
+ tm->tm_min = bcd2bin(tm->tm_min);
+ tm->tm_hour = bcd2bin(tm->tm_hour);
+ tm->tm_mday = bcd2bin(tm->tm_mday);
+ tm->tm_mon = bcd2bin(tm->tm_mon);
+ tm->tm_year = bcd2bin(tm->tm_year);
+ tm->tm_wday = bcd2bin(tm->tm_wday);
+ century = bcd2bin(century);
tm->tm_year += (century * 100);
tm->tm_year -= 1900;
@@ -106,13 +106,13 @@ static int bq4802_set_time(struct device *dev, struct rtc_time *tm)
min = tm->tm_min;
sec = tm->tm_sec;
- BIN_TO_BCD(sec);
- BIN_TO_BCD(min);
- BIN_TO_BCD(hrs);
- BIN_TO_BCD(day);
- BIN_TO_BCD(mon);
- BIN_TO_BCD(yrs);
- BIN_TO_BCD(century);
+ sec = bin2bcd(sec);
+ min = bin2bcd(min);
+ hrs = bin2bcd(hrs);
+ day = bin2bcd(day);
+ mon = bin2bcd(mon);
+ yrs = bin2bcd(yrs);
+ century = bin2bcd(century);
spin_lock_irqsave(&p->lock, flags);
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 963ad0b6a4e..5549231179a 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -143,6 +143,43 @@ static inline int hpet_unregister_irq_handler(irq_handler_t handler)
/*----------------------------------------------------------------*/
+#ifdef RTC_PORT
+
+/* Most newer x86 systems have two register banks, the first used
+ * for RTC and NVRAM and the second only for NVRAM. Caller must
+ * own rtc_lock ... and we won't worry about access during NMI.
+ */
+#define can_bank2 true
+
+static inline unsigned char cmos_read_bank2(unsigned char addr)
+{
+ outb(addr, RTC_PORT(2));
+ return inb(RTC_PORT(3));
+}
+
+static inline void cmos_write_bank2(unsigned char val, unsigned char addr)
+{
+ outb(addr, RTC_PORT(2));
+ outb(val, RTC_PORT(2));
+}
+
+#else
+
+#define can_bank2 false
+
+static inline unsigned char cmos_read_bank2(unsigned char addr)
+{
+ return 0;
+}
+
+static inline void cmos_write_bank2(unsigned char val, unsigned char addr)
+{
+}
+
+#endif
+
+/*----------------------------------------------------------------*/
+
static int cmos_read_time(struct device *dev, struct rtc_time *t)
{
/* REVISIT: if the clock has a "century" register, use
@@ -203,26 +240,26 @@ static int cmos_read_alarm(struct device *dev, struct rtc_wkalrm *t)
/* REVISIT this assumes PC style usage: always BCD */
if (((unsigned)t->time.tm_sec) < 0x60)
- t->time.tm_sec = BCD2BIN(t->time.tm_sec);
+ t->time.tm_sec = bcd2bin(t->time.tm_sec);
else
t->time.tm_sec = -1;
if (((unsigned)t->time.tm_min) < 0x60)
- t->time.tm_min = BCD2BIN(t->time.tm_min);
+ t->time.tm_min = bcd2bin(t->time.tm_min);
else
t->time.tm_min = -1;
if (((unsigned)t->time.tm_hour) < 0x24)
- t->time.tm_hour = BCD2BIN(t->time.tm_hour);
+ t->time.tm_hour = bcd2bin(t->time.tm_hour);
else
t->time.tm_hour = -1;
if (cmos->day_alrm) {
if (((unsigned)t->time.tm_mday) <= 0x31)
- t->time.tm_mday = BCD2BIN(t->time.tm_mday);
+ t->time.tm_mday = bcd2bin(t->time.tm_mday);
else
t->time.tm_mday = -1;
if (cmos->mon_alrm) {
if (((unsigned)t->time.tm_mon) <= 0x12)
- t->time.tm_mon = BCD2BIN(t->time.tm_mon) - 1;
+ t->time.tm_mon = bcd2bin(t->time.tm_mon) - 1;
else
t->time.tm_mon = -1;
}
@@ -294,19 +331,19 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t)
/* Writing 0xff means "don't care" or "match all". */
mon = t->time.tm_mon + 1;
- mon = (mon <= 12) ? BIN2BCD(mon) : 0xff;
+ mon = (mon <= 12) ? bin2bcd(mon) : 0xff;
mday = t->time.tm_mday;
- mday = (mday >= 1 && mday <= 31) ? BIN2BCD(mday) : 0xff;
+ mday = (mday >= 1 && mday <= 31) ? bin2bcd(mday) : 0xff;
hrs = t->time.tm_hour;
- hrs = (hrs < 24) ? BIN2BCD(hrs) : 0xff;
+ hrs = (hrs < 24) ? bin2bcd(hrs) : 0xff;
min = t->time.tm_min;
- min = (min < 60) ? BIN2BCD(min) : 0xff;
+ min = (min < 60) ? bin2bcd(min) : 0xff;
sec = t->time.tm_sec;
- sec = (sec < 60) ? BIN2BCD(sec) : 0xff;
+ sec = (sec < 60) ? bin2bcd(sec) : 0xff;
spin_lock_irq(&rtc_lock);
@@ -491,12 +528,21 @@ cmos_nvram_read(struct kobject *kobj, struct bin_attribute *attr,
if (unlikely(off >= attr->size))
return 0;
+ if (unlikely(off < 0))
+ return -EINVAL;
if ((off + count) > attr->size)
count = attr->size - off;
+ off += NVRAM_OFFSET;
spin_lock_irq(&rtc_lock);
- for (retval = 0, off += NVRAM_OFFSET; count--; retval++, off++)
- *buf++ = CMOS_READ(off);
+ for (retval = 0; count; count--, off++, retval++) {
+ if (off < 128)
+ *buf++ = CMOS_READ(off);
+ else if (can_bank2)
+ *buf++ = cmos_read_bank2(off);
+ else
+ break;
+ }
spin_unlock_irq(&rtc_lock);
return retval;
@@ -512,6 +558,8 @@ cmos_nvram_write(struct kobject *kobj, struct bin_attribute *attr,
cmos = dev_get_drvdata(container_of(kobj, struct device, kobj));
if (unlikely(off >= attr->size))
return -EFBIG;
+ if (unlikely(off < 0))
+ return -EINVAL;
if ((off + count) > attr->size)
count = attr->size - off;
@@ -520,15 +568,20 @@ cmos_nvram_write(struct kobject *kobj, struct bin_attribute *attr,
* here. If userspace is smart enough to know what fields of
* NVRAM to update, updating checksums is also part of its job.
*/
+ off += NVRAM_OFFSET;
spin_lock_irq(&rtc_lock);
- for (retval = 0, off += NVRAM_OFFSET; count--; retval++, off++) {
+ for (retval = 0; count; count--, off++, retval++) {
/* don't trash RTC registers */
if (off == cmos->day_alrm
|| off == cmos->mon_alrm
|| off == cmos->century)
buf++;
- else
+ else if (off < 128)
CMOS_WRITE(*buf++, off);
+ else if (can_bank2)
+ cmos_write_bank2(*buf++, off);
+ else
+ break;
}
spin_unlock_irq(&rtc_lock);
@@ -539,7 +592,6 @@ static struct bin_attribute nvram = {
.attr = {
.name = "nvram",
.mode = S_IRUGO | S_IWUSR,
- .owner = THIS_MODULE,
},
.read = cmos_nvram_read,
@@ -631,8 +683,8 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
/* Heuristic to deduce NVRAM size ... do what the legacy NVRAM
* driver did, but don't reject unknown configs. Old hardware
- * won't address 128 bytes, and for now we ignore the way newer
- * chips can address 256 bytes (using two more i/o ports).
+ * won't address 128 bytes. Newer chips have multiple banks,
+ * though they may not be listed in one I/O resource.
*/
#if defined(CONFIG_ATARI)
address_space = 64;
@@ -642,6 +694,8 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
#warning Assuming 128 bytes of RTC+NVRAM address space, not 64 bytes.
address_space = 128;
#endif
+ if (can_bank2 && ports->end > (ports->start + 1))
+ address_space = 256;
/* For ACPI systems extension info comes from the FADT. On others,
* board specific setup provides it as appropriate. Systems where
@@ -740,7 +794,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
goto cleanup2;
}
- pr_info("%s: alarms up to one %s%s%s\n",
+ pr_info("%s: alarms up to one %s%s, %zd bytes nvram, %s irqs\n",
cmos_rtc.rtc->dev.bus_id,
is_valid_irq(rtc_irq)
? (cmos_rtc.mon_alrm
@@ -749,6 +803,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
? "month" : "day"))
: "no",
cmos_rtc.century ? ", y3k" : "",
+ nvram.size,
is_hpet_enabled() ? ", hpet irqs" : "");
return 0;
diff --git a/drivers/rtc/rtc-ds1216.c b/drivers/rtc/rtc-ds1216.c
index 0b17770b032..9a234a4ec06 100644
--- a/drivers/rtc/rtc-ds1216.c
+++ b/drivers/rtc/rtc-ds1216.c
@@ -86,19 +86,19 @@ static int ds1216_rtc_read_time(struct device *dev, struct rtc_time *tm)
ds1216_switch_ds_to_clock(priv->ioaddr);
ds1216_read(priv->ioaddr, (u8 *)&regs);
- tm->tm_sec = BCD2BIN(regs.sec);
- tm->tm_min = BCD2BIN(regs.min);
+ tm->tm_sec = bcd2bin(regs.sec);
+ tm->tm_min = bcd2bin(regs.min);
if (regs.hour & DS1216_HOUR_1224) {
/* AM/PM mode */
- tm->tm_hour = BCD2BIN(regs.hour & 0x1f);
+ tm->tm_hour = bcd2bin(regs.hour & 0x1f);
if (regs.hour & DS1216_HOUR_AMPM)
tm->tm_hour += 12;
} else
- tm->tm_hour = BCD2BIN(regs.hour & 0x3f);
+ tm->tm_hour = bcd2bin(regs.hour & 0x3f);
tm->tm_wday = (regs.wday & 7) - 1;
- tm->tm_mday = BCD2BIN(regs.mday & 0x3f);
- tm->tm_mon = BCD2BIN(regs.month & 0x1f);
- tm->tm_year = BCD2BIN(regs.year);
+ tm->tm_mday = bcd2bin(regs.mday & 0x3f);
+ tm->tm_mon = bcd2bin(regs.month & 0x1f);
+ tm->tm_year = bcd2bin(regs.year);
if (tm->tm_year < 70)
tm->tm_year += 100;
return 0;
@@ -114,19 +114,19 @@ static int ds1216_rtc_set_time(struct device *dev, struct rtc_time *tm)
ds1216_read(priv->ioaddr, (u8 *)&regs);
regs.tsec = 0; /* clear 0.1 and 0.01 seconds */
- regs.sec = BIN2BCD(tm->tm_sec);
- regs.min = BIN2BCD(tm->tm_min);
+ regs.sec = bin2bcd(tm->tm_sec);
+ regs.min = bin2bcd(tm->tm_min);
regs.hour &= DS1216_HOUR_1224;
if (regs.hour && tm->tm_hour > 12) {
regs.hour |= DS1216_HOUR_AMPM;
tm->tm_hour -= 12;
}
- regs.hour |= BIN2BCD(tm->tm_hour);
+ regs.hour |= bin2bcd(tm->tm_hour);
regs.wday &= ~7;
regs.wday |= tm->tm_wday;
- regs.mday = BIN2BCD(tm->tm_mday);
- regs.month = BIN2BCD(tm->tm_mon);
- regs.year = BIN2BCD(tm->tm_year % 100);
+ regs.mday = bin2bcd(tm->tm_mday);
+ regs.month = bin2bcd(tm->tm_mon);
+ regs.year = bin2bcd(tm->tm_year % 100);
ds1216_switch_ds_to_clock(priv->ioaddr);
ds1216_write(priv->ioaddr, (u8 *)&regs);
diff --git a/drivers/rtc/rtc-ds1302.c b/drivers/rtc/rtc-ds1302.c
index b9397818f73..18455662077 100644
--- a/drivers/rtc/rtc-ds1302.c
+++ b/drivers/rtc/rtc-ds1302.c
@@ -40,7 +40,7 @@
#define RTC_SCLK 0x0400
#ifdef CONFIG_SH_SECUREEDGE5410
-#include <asm/snapgear.h>
+#include <mach/snapgear.h>
#define set_dp(x) SECUREEDGE_WRITE_IOPORT(x, 0x1c00)
#define get_dp() SECUREEDGE_READ_IOPORT()
#else
@@ -107,13 +107,13 @@ static int ds1302_rtc_read_time(struct device *dev, struct rtc_time *tm)
spin_lock_irq(&rtc->lock);
- tm->tm_sec = BCD2BIN(ds1302_readbyte(RTC_ADDR_SEC));
- tm->tm_min = BCD2BIN(ds1302_readbyte(RTC_ADDR_MIN));
- tm->tm_hour = BCD2BIN(ds1302_readbyte(RTC_ADDR_HOUR));
- tm->tm_wday = BCD2BIN(ds1302_readbyte(RTC_ADDR_DAY));
- tm->tm_mday = BCD2BIN(ds1302_readbyte(RTC_ADDR_DATE));
- tm->tm_mon = BCD2BIN(ds1302_readbyte(RTC_ADDR_MON)) - 1;
- tm->tm_year = BCD2BIN(ds1302_readbyte(RTC_ADDR_YEAR));
+ tm->tm_sec = bcd2bin(ds1302_readbyte(RTC_ADDR_SEC));
+ tm->tm_min = bcd2bin(ds1302_readbyte(RTC_ADDR_MIN));
+ tm->tm_hour = bcd2bin(ds1302_readbyte(RTC_ADDR_HOUR));
+ tm->tm_wday = bcd2bin(ds1302_readbyte(RTC_ADDR_DAY));
+ tm->tm_mday = bcd2bin(ds1302_readbyte(RTC_ADDR_DATE));
+ tm->tm_mon = bcd2bin(ds1302_readbyte(RTC_ADDR_MON)) - 1;
+ tm->tm_year = bcd2bin(ds1302_readbyte(RTC_ADDR_YEAR));
if (tm->tm_year < 70)
tm->tm_year += 100;
@@ -141,13 +141,13 @@ static int ds1302_rtc_set_time(struct device *dev, struct rtc_time *tm)
/* Stop RTC */
ds1302_writebyte(RTC_ADDR_SEC, ds1302_readbyte(RTC_ADDR_SEC) | 0x80);
- ds1302_writebyte(RTC_ADDR_SEC, BIN2BCD(tm->tm_sec));
- ds1302_writebyte(RTC_ADDR_MIN, BIN2BCD(tm->tm_min));
- ds1302_writebyte(RTC_ADDR_HOUR, BIN2BCD(tm->tm_hour));
- ds1302_writebyte(RTC_ADDR_DAY, BIN2BCD(tm->tm_wday));
- ds1302_writebyte(RTC_ADDR_DATE, BIN2BCD(tm->tm_mday));
- ds1302_writebyte(RTC_ADDR_MON, BIN2BCD(tm->tm_mon + 1));
- ds1302_writebyte(RTC_ADDR_YEAR, BIN2BCD(tm->tm_year % 100));
+ ds1302_writebyte(RTC_ADDR_SEC, bin2bcd(tm->tm_sec));
+ ds1302_writebyte(RTC_ADDR_MIN, bin2bcd(tm->tm_min));
+ ds1302_writebyte(RTC_ADDR_HOUR, bin2bcd(tm->tm_hour));
+ ds1302_writebyte(RTC_ADDR_DAY, bin2bcd(tm->tm_wday));
+ ds1302_writebyte(RTC_ADDR_DATE, bin2bcd(tm->tm_mday));
+ ds1302_writebyte(RTC_ADDR_MON, bin2bcd(tm->tm_mon + 1));
+ ds1302_writebyte(RTC_ADDR_YEAR, bin2bcd(tm->tm_year % 100));
/* Start RTC */
ds1302_writebyte(RTC_ADDR_SEC, ds1302_readbyte(RTC_ADDR_SEC) & ~0x80);
diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c
index b91d02a3ace..fc372df6534 100644
--- a/drivers/rtc/rtc-ds1305.c
+++ b/drivers/rtc/rtc-ds1305.c
@@ -114,10 +114,10 @@ static unsigned bcd2hour(u8 bcd)
hour = 12;
bcd &= ~DS1305_HR_PM;
}
- hour += BCD2BIN(bcd);
+ hour += bcd2bin(bcd);
return hour - 1;
}
- return BCD2BIN(bcd);
+ return bcd2bin(bcd);
}
static u8 hour2bcd(bool hr12, int hour)
@@ -125,11 +125,11 @@ static u8 hour2bcd(bool hr12, int hour)
if (hr12) {
hour++;
if (hour <= 12)
- return DS1305_HR_12 | BIN2BCD(hour);
+ return DS1305_HR_12 | bin2bcd(hour);
hour -= 12;
- return DS1305_HR_12 | DS1305_HR_PM | BIN2BCD(hour);
+ return DS1305_HR_12 | DS1305_HR_PM | bin2bcd(hour);
}
- return BIN2BCD(hour);
+ return bin2bcd(hour);
}
/*----------------------------------------------------------------------*/
@@ -206,13 +206,13 @@ static int ds1305_get_time(struct device *dev, struct rtc_time *time)
buf[4], buf[5], buf[6]);
/* Decode the registers */
- time->tm_sec = BCD2BIN(buf[DS1305_SEC]);
- time->tm_min = BCD2BIN(buf[DS1305_MIN]);
+ time->tm_sec = bcd2bin(buf[DS1305_SEC]);
+ time->tm_min = bcd2bin(buf[DS1305_MIN]);
time->tm_hour = bcd2hour(buf[DS1305_HOUR]);
time->tm_wday = buf[DS1305_WDAY] - 1;
- time->tm_mday = BCD2BIN(buf[DS1305_MDAY]);
- time->tm_mon = BCD2BIN(buf[DS1305_MON]) - 1;
- time->tm_year = BCD2BIN(buf[DS1305_YEAR]) + 100;
+ time->tm_mday = bcd2bin(buf[DS1305_MDAY]);
+ time->tm_mon = bcd2bin(buf[DS1305_MON]) - 1;
+ time->tm_year = bcd2bin(buf[DS1305_YEAR]) + 100;
dev_vdbg(dev, "%s secs=%d, mins=%d, "
"hours=%d, mday=%d, mon=%d, year=%d, wday=%d\n",
@@ -239,13 +239,13 @@ static int ds1305_set_time(struct device *dev, struct rtc_time *time)
/* Write registers starting at the first time/date address. */
*bp++ = DS1305_WRITE | DS1305_SEC;
- *bp++ = BIN2BCD(time->tm_sec);
- *bp++ = BIN2BCD(time->tm_min);
+ *bp++ = bin2bcd(time->tm_sec);
+ *bp++ = bin2bcd(time->tm_min);
*bp++ = hour2bcd(ds1305->hr12, time->tm_hour);
*bp++ = (time->tm_wday < 7) ? (time->tm_wday + 1) : 1;
- *bp++ = BIN2BCD(time->tm_mday);
- *bp++ = BIN2BCD(time->tm_mon + 1);
- *bp++ = BIN2BCD(time->tm_year - 100);
+ *bp++ = bin2bcd(time->tm_mday);
+ *bp++ = bin2bcd(time->tm_mon + 1);
+ *bp++ = bin2bcd(time->tm_year - 100);
dev_dbg(dev, "%s: %02x %02x %02x, %02x %02x %02x %02x\n",
"write", buf[1], buf[2], buf[3],
@@ -329,8 +329,8 @@ static int ds1305_get_alarm(struct device *dev, struct rtc_wkalrm *alm)
* fill in the rest ... and also handle rollover to tomorrow when
* that's needed.
*/
- alm->time.tm_sec = BCD2BIN(buf[DS1305_SEC]);
- alm->time.tm_min = BCD2BIN(buf[DS1305_MIN]);
+ alm->time.tm_sec = bcd2bin(buf[DS1305_SEC]);
+ alm->time.tm_min = bcd2bin(buf[DS1305_MIN]);
alm->time.tm_hour = bcd2hour(buf[DS1305_HOUR]);
alm->time.tm_mday = -1;
alm->time.tm_mon = -1;
@@ -387,8 +387,8 @@ static int ds1305_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
/* write alarm */
buf[0] = DS1305_WRITE | DS1305_ALM0(DS1305_SEC);
- buf[1 + DS1305_SEC] = BIN2BCD(alm->time.tm_sec);
- buf[1 + DS1305_MIN] = BIN2BCD(alm->time.tm_min);
+ buf[1 + DS1305_SEC] = bin2bcd(alm->time.tm_sec);
+ buf[1 + DS1305_MIN] = bin2bcd(alm->time.tm_min);
buf[1 + DS1305_HOUR] = hour2bcd(ds1305->hr12, alm->time.tm_hour);
buf[1 + DS1305_WDAY] = DS1305_ALM_DISABLE;
@@ -606,7 +606,6 @@ ds1305_nvram_write(struct kobject *kobj, struct bin_attribute *attr,
static struct bin_attribute nvram = {
.attr.name = "nvram",
.attr.mode = S_IRUGO | S_IWUSR,
- .attr.owner = THIS_MODULE,
.read = ds1305_nvram_read,
.write = ds1305_nvram_write,
.size = DS1305_NVRAM_LEN,
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index 4fcf0734a6e..162330b9d1d 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -222,17 +222,17 @@ static int ds1307_get_time(struct device *dev, struct rtc_time *t)
ds1307->regs[4], ds1307->regs[5],
ds1307->regs[6]);
- t->tm_sec = BCD2BIN(ds1307->regs[DS1307_REG_SECS] & 0x7f);
- t->tm_min = BCD2BIN(ds1307->regs[DS1307_REG_MIN] & 0x7f);
+ t->tm_sec = bcd2bin(ds1307->regs[DS1307_REG_SECS] & 0x7f);
+ t->tm_min = bcd2bin(ds1307->regs[DS1307_REG_MIN] & 0x7f);
tmp = ds1307->regs[DS1307_REG_HOUR] & 0x3f;
- t->tm_hour = BCD2BIN(tmp);
- t->tm_wday = BCD2BIN(ds1307->regs[DS1307_REG_WDAY] & 0x07) - 1;
- t->tm_mday = BCD2BIN(ds1307->regs[DS1307_REG_MDAY] & 0x3f);
+ t->tm_hour = bcd2bin(tmp);
+ t->tm_wday = bcd2bin(ds1307->regs[DS1307_REG_WDAY] & 0x07) - 1;
+ t->tm_mday = bcd2bin(ds1307->regs[DS1307_REG_MDAY] & 0x3f);
tmp = ds1307->regs[DS1307_REG_MONTH] & 0x1f;
- t->tm_mon = BCD2BIN(tmp) - 1;
+ t->tm_mon = bcd2bin(tmp) - 1;
/* assume 20YY not 19YY, and ignore DS1337_BIT_CENTURY */
- t->tm_year = BCD2BIN(ds1307->regs[DS1307_REG_YEAR]) + 100;
+ t->tm_year = bcd2bin(ds1307->regs[DS1307_REG_YEAR]) + 100;
dev_dbg(dev, "%s secs=%d, mins=%d, "
"hours=%d, mday=%d, mon=%d, year=%d, wday=%d\n",
@@ -258,16 +258,16 @@ static int ds1307_set_time(struct device *dev, struct rtc_time *t)
t->tm_mon, t->tm_year, t->tm_wday);
*buf++ = 0; /* first register addr */
- buf[DS1307_REG_SECS] = BIN2BCD(t->tm_sec);
- buf[DS1307_REG_MIN] = BIN2BCD(t->tm_min);
- buf[DS1307_REG_HOUR] = BIN2BCD(t->tm_hour);
- buf[DS1307_REG_WDAY] = BIN2BCD(t->tm_wday + 1);
- buf[DS1307_REG_MDAY] = BIN2BCD(t->tm_mday);
- buf[DS1307_REG_MONTH] = BIN2BCD(t->tm_mon + 1);
+ buf[DS1307_REG_SECS] = bin2bcd(t->tm_sec);
+ buf[DS1307_REG_MIN] = bin2bcd(t->tm_min);
+ buf[DS1307_REG_HOUR] = bin2bcd(t->tm_hour);
+ buf[DS1307_REG_WDAY] = bin2bcd(t->tm_wday + 1);
+ buf[DS1307_REG_MDAY] = bin2bcd(t->tm_mday);
+ buf[DS1307_REG_MONTH] = bin2bcd(t->tm_mon + 1);
/* assume 20YY not 19YY */
tmp = t->tm_year - 100;
- buf[DS1307_REG_YEAR] = BIN2BCD(tmp);
+ buf[DS1307_REG_YEAR] = bin2bcd(tmp);
switch (ds1307->type) {
case ds_1337:
@@ -551,7 +551,6 @@ static struct bin_attribute nvram = {
.attr = {
.name = "nvram",
.mode = S_IRUGO | S_IWUSR,
- .owner = THIS_MODULE,
},
.read = ds1307_nvram_read,
@@ -709,18 +708,18 @@ read_rtc:
}
tmp = ds1307->regs[DS1307_REG_SECS];
- tmp = BCD2BIN(tmp & 0x7f);
+ tmp = bcd2bin(tmp & 0x7f);
if (tmp > 60)
goto exit_bad;
- tmp = BCD2BIN(ds1307->regs[DS1307_REG_MIN] & 0x7f);
+ tmp = bcd2bin(ds1307->regs[DS1307_REG_MIN] & 0x7f);
if (tmp > 60)
goto exit_bad;
- tmp = BCD2BIN(ds1307->regs[DS1307_REG_MDAY] & 0x3f);
+ tmp = bcd2bin(ds1307->regs[DS1307_REG_MDAY] & 0x3f);
if (tmp == 0 || tmp > 31)
goto exit_bad;
- tmp = BCD2BIN(ds1307->regs[DS1307_REG_MONTH] & 0x1f);
+ tmp = bcd2bin(ds1307->regs[DS1307_REG_MONTH] & 0x1f);
if (tmp == 0 || tmp > 12)
goto exit_bad;
@@ -739,14 +738,14 @@ read_rtc:
/* Be sure we're in 24 hour mode. Multi-master systems
* take note...
*/
- tmp = BCD2BIN(tmp & 0x1f);
+ tmp = bcd2bin(tmp & 0x1f);
if (tmp == 12)
tmp = 0;
if (ds1307->regs[DS1307_REG_HOUR] & DS1307_BIT_PM)
tmp += 12;
i2c_smbus_write_byte_data(client,
DS1307_REG_HOUR,
- BIN2BCD(tmp));
+ bin2bcd(tmp));
}
ds1307->rtc = rtc_device_register(client->name, &client->dev,
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 86981d34fbb..25caada7839 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -153,8 +153,8 @@ ds1511_wdog_set(unsigned long deciseconds)
/*
* set the wdog values in the wdog registers
*/
- rtc_write(BIN2BCD(deciseconds % 100), DS1511_WD_MSEC);
- rtc_write(BIN2BCD(deciseconds / 100), DS1511_WD_SEC);
+ rtc_write(bin2bcd(deciseconds % 100), DS1511_WD_MSEC);
+ rtc_write(bin2bcd(deciseconds / 100), DS1511_WD_SEC);
/*
* set wdog enable and wdog 'steering' bit to issue a reset
*/
@@ -220,13 +220,13 @@ static int ds1511_rtc_set_time(struct device *dev, struct rtc_time *rtc_tm)
/*
* each register is a different number of valid bits
*/
- sec = BIN2BCD(sec) & 0x7f;
- min = BIN2BCD(min) & 0x7f;
- hrs = BIN2BCD(hrs) & 0x3f;
- day = BIN2BCD(day) & 0x3f;
- mon = BIN2BCD(mon) & 0x1f;
- yrs = BIN2BCD(yrs) & 0xff;
- cen = BIN2BCD(cen) & 0xff;
+ sec = bin2bcd(sec) & 0x7f;
+ min = bin2bcd(min) & 0x7f;
+ hrs = bin2bcd(hrs) & 0x3f;
+ day = bin2bcd(day) & 0x3f;
+ mon = bin2bcd(mon) & 0x1f;
+ yrs = bin2bcd(yrs) & 0xff;
+ cen = bin2bcd(cen) & 0xff;
spin_lock_irqsave(&ds1511_lock, flags);
rtc_disable_update();
@@ -264,14 +264,14 @@ static int ds1511_rtc_read_time(struct device *dev, struct rtc_time *rtc_tm)
rtc_enable_update();
spin_unlock_irqrestore(&ds1511_lock, flags);
- rtc_tm->tm_sec = BCD2BIN(rtc_tm->tm_sec);
- rtc_tm->tm_min = BCD2BIN(rtc_tm->tm_min);
- rtc_tm->tm_hour = BCD2BIN(rtc_tm->tm_hour);
- rtc_tm->tm_mday = BCD2BIN(rtc_tm->tm_mday);
- rtc_tm->tm_wday = BCD2BIN(rtc_tm->tm_wday);
- rtc_tm->tm_mon = BCD2BIN(rtc_tm->tm_mon);
- rtc_tm->tm_year = BCD2BIN(rtc_tm->tm_year);
- century = BCD2BIN(century) * 100;
+ rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
+ rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min);
+ rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour);
+ rtc_tm->tm_mday = bcd2bin(rtc_tm->tm_mday);
+ rtc_tm->tm_wday = bcd2bin(rtc_tm->tm_wday);
+ rtc_tm->tm_mon = bcd2bin(rtc_tm->tm_mon);
+ rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year);
+ century = bcd2bin(century) * 100;
/*
* Account for differences between how the RTC uses the values
@@ -304,16 +304,16 @@ ds1511_rtc_update_alarm(struct rtc_plat_data *pdata)
spin_lock_irqsave(&pdata->rtc->irq_lock, flags);
rtc_write(pdata->alrm_mday < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : BIN2BCD(pdata->alrm_mday) & 0x3f,
+ 0x80 : bin2bcd(pdata->alrm_mday) & 0x3f,
RTC_ALARM_DATE);
rtc_write(pdata->alrm_hour < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : BIN2BCD(pdata->alrm_hour) & 0x3f,
+ 0x80 : bin2bcd(pdata->alrm_hour) & 0x3f,
RTC_ALARM_HOUR);
rtc_write(pdata->alrm_min < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : BIN2BCD(pdata->alrm_min) & 0x7f,
+ 0x80 : bin2bcd(pdata->alrm_min) & 0x7f,
RTC_ALARM_MIN);
rtc_write(pdata->alrm_sec < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : BIN2BCD(pdata->alrm_sec) & 0x7f,
+ 0x80 : bin2bcd(pdata->alrm_sec) & 0x7f,
RTC_ALARM_SEC);
rtc_write(rtc_read(RTC_CMD) | (pdata->irqen ? RTC_TIE : 0), RTC_CMD);
rtc_read(RTC_CMD1); /* clear interrupts */
@@ -481,7 +481,6 @@ static struct bin_attribute ds1511_nvram_attr = {
.attr = {
.name = "nvram",
.mode = S_IRUGO | S_IWUGO,
- .owner = THIS_MODULE,
},
.size = DS1511_RAM_MAX,
.read = ds1511_nvram_read,
diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index 4ef59285b48..b9475cd2021 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -78,17 +78,17 @@ static int ds1553_rtc_set_time(struct device *dev, struct rtc_time *tm)
void __iomem *ioaddr = pdata->ioaddr;
u8 century;
- century = BIN2BCD((tm->tm_year + 1900) / 100);
+ century = bin2bcd((tm->tm_year + 1900) / 100);
writeb(RTC_WRITE, pdata->ioaddr + RTC_CONTROL);
- writeb(BIN2BCD(tm->tm_year % 100), ioaddr + RTC_YEAR);
- writeb(BIN2BCD(tm->tm_mon + 1), ioaddr + RTC_MONTH);
- writeb(BIN2BCD(tm->tm_wday) & RTC_DAY_MASK, ioaddr + RTC_DAY);
- writeb(BIN2BCD(tm->tm_mday), ioaddr + RTC_DATE);
- writeb(BIN2BCD(tm->tm_hour), ioaddr + RTC_HOURS);
- writeb(BIN2BCD(tm->tm_min), ioaddr + RTC_MINUTES);
- writeb(BIN2BCD(tm->tm_sec) & RTC_SECONDS_MASK, ioaddr + RTC_SECONDS);
+ writeb(bin2bcd(tm->tm_year % 100), ioaddr + RTC_YEAR);
+ writeb(bin2bcd(tm->tm_mon + 1), ioaddr + RTC_MONTH);
+ writeb(bin2bcd(tm->tm_wday) & RTC_DAY_MASK, ioaddr + RTC_DAY);
+ writeb(bin2bcd(tm->tm_mday), ioaddr + RTC_DATE);
+ writeb(bin2bcd(tm->tm_hour), ioaddr + RTC_HOURS);
+ writeb(bin2bcd(tm->tm_min), ioaddr + RTC_MINUTES);
+ writeb(bin2bcd(tm->tm_sec) & RTC_SECONDS_MASK, ioaddr + RTC_SECONDS);
/* RTC_CENTURY and RTC_CONTROL share same register */
writeb(RTC_WRITE | (century & RTC_CENTURY_MASK), ioaddr + RTC_CENTURY);
@@ -118,14 +118,14 @@ static int ds1553_rtc_read_time(struct device *dev, struct rtc_time *tm)
year = readb(ioaddr + RTC_YEAR);
century = readb(ioaddr + RTC_CENTURY) & RTC_CENTURY_MASK;
writeb(0, ioaddr + RTC_CONTROL);
- tm->tm_sec = BCD2BIN(second);
- tm->tm_min = BCD2BIN(minute);
- tm->tm_hour = BCD2BIN(hour);
- tm->tm_mday = BCD2BIN(day);
- tm->tm_wday = BCD2BIN(week);
- tm->tm_mon = BCD2BIN(month) - 1;
+ tm->tm_sec = bcd2bin(second);
+ tm->tm_min = bcd2bin(minute);
+ tm->tm_hour = bcd2bin(hour);
+ tm->tm_mday = bcd2bin(day);
+ tm->tm_wday = bcd2bin(week);
+ tm->tm_mon = bcd2bin(month) - 1;
/* year is 1900 + tm->tm_year */
- tm->tm_year = BCD2BIN(year) + BCD2BIN(century) * 100 - 1900;
+ tm->tm_year = bcd2bin(year) + bcd2bin(century) * 100 - 1900;
if (rtc_valid_tm(tm) < 0) {
dev_err(dev, "retrieved date/time is not valid.\n");
@@ -141,16 +141,16 @@ static void ds1553_rtc_update_alarm(struct rtc_plat_data *pdata)
spin_lock_irqsave(&pdata->rtc->irq_lock, flags);
writeb(pdata->alrm_mday < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : BIN2BCD(pdata->alrm_mday),
+ 0x80 : bin2bcd(pdata->alrm_mday),
ioaddr + RTC_DATE_ALARM);
writeb(pdata->alrm_hour < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : BIN2BCD(pdata->alrm_hour),
+ 0x80 : bin2bcd(pdata->alrm_hour),
ioaddr + RTC_HOURS_ALARM);
writeb(pdata->alrm_min < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : BIN2BCD(pdata->alrm_min),
+ 0x80 : bin2bcd(pdata->alrm_min),
ioaddr + RTC_MINUTES_ALARM);
writeb(pdata->alrm_sec < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : BIN2BCD(pdata->alrm_sec),
+ 0x80 : bin2bcd(pdata->alrm_sec),
ioaddr + RTC_SECONDS_ALARM);
writeb(pdata->irqen ? RTC_INTS_AE : 0, ioaddr + RTC_INTERRUPTS);
readb(ioaddr + RTC_FLAGS); /* clear interrupts */
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index 24d35ede2db..8bc8501bffc 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -66,17 +66,17 @@ static int ds1742_rtc_set_time(struct device *dev, struct rtc_time *tm)
void __iomem *ioaddr = pdata->ioaddr_rtc;
u8 century;
- century = BIN2BCD((tm->tm_year + 1900) / 100);
+ century = bin2bcd((tm->tm_year + 1900) / 100);
writeb(RTC_WRITE, ioaddr + RTC_CONTROL);
- writeb(BIN2BCD(tm->tm_year % 100), ioaddr + RTC_YEAR);
- writeb(BIN2BCD(tm->tm_mon + 1), ioaddr + RTC_MONTH);
- writeb(BIN2BCD(tm->tm_wday) & RTC_DAY_MASK, ioaddr + RTC_DAY);
- writeb(BIN2BCD(tm->tm_mday), ioaddr + RTC_DATE);
- writeb(BIN2BCD(tm->tm_hour), ioaddr + RTC_HOURS);
- writeb(BIN2BCD(tm->tm_min), ioaddr + RTC_MINUTES);
- writeb(BIN2BCD(tm->tm_sec) & RTC_SECONDS_MASK, ioaddr + RTC_SECONDS);
+ writeb(bin2bcd(tm->tm_year % 100), ioaddr + RTC_YEAR);
+ writeb(bin2bcd(tm->tm_mon + 1), ioaddr + RTC_MONTH);
+ writeb(bin2bcd(tm->tm_wday) & RTC_DAY_MASK, ioaddr + RTC_DAY);
+ writeb(bin2bcd(tm->tm_mday), ioaddr + RTC_DATE);
+ writeb(bin2bcd(tm->tm_hour), ioaddr + RTC_HOURS);
+ writeb(bin2bcd(tm->tm_min), ioaddr + RTC_MINUTES);
+ writeb(bin2bcd(tm->tm_sec) & RTC_SECONDS_MASK, ioaddr + RTC_SECONDS);
/* RTC_CENTURY and RTC_CONTROL share same register */
writeb(RTC_WRITE | (century & RTC_CENTURY_MASK), ioaddr + RTC_CENTURY);
@@ -106,14 +106,14 @@ static int ds1742_rtc_read_time(struct device *dev, struct rtc_time *tm)
year = readb(ioaddr + RTC_YEAR);
century = readb(ioaddr + RTC_CENTURY) & RTC_CENTURY_MASK;
writeb(0, ioaddr + RTC_CONTROL);
- tm->tm_sec = BCD2BIN(second);
- tm->tm_min = BCD2BIN(minute);
- tm->tm_hour = BCD2BIN(hour);
- tm->tm_mday = BCD2BIN(day);
- tm->tm_wday = BCD2BIN(week);
- tm->tm_mon = BCD2BIN(month) - 1;
+ tm->tm_sec = bcd2bin(second);
+ tm->tm_min = bcd2bin(minute);
+ tm->tm_hour = bcd2bin(hour);
+ tm->tm_mday = bcd2bin(day);
+ tm->tm_wday = bcd2bin(week);
+ tm->tm_mon = bcd2bin(month) - 1;
/* year is 1900 + tm->tm_year */
- tm->tm_year = BCD2BIN(year) + BCD2BIN(century) * 100 - 1900;
+ tm->tm_year = bcd2bin(year) + bcd2bin(century) * 100 - 1900;
if (rtc_valid_tm(tm) < 0) {
dev_err(dev, "retrieved date/time is not valid.\n");
diff --git a/drivers/rtc/rtc-fm3130.c b/drivers/rtc/rtc-fm3130.c
index abfdfcbaa05..3a7be11cc6b 100644
--- a/drivers/rtc/rtc-fm3130.c
+++ b/drivers/rtc/rtc-fm3130.c
@@ -131,17 +131,17 @@ static int fm3130_get_time(struct device *dev, struct rtc_time *t)
fm3130->regs[0xc], fm3130->regs[0xd],
fm3130->regs[0xe]);
- t->tm_sec = BCD2BIN(fm3130->regs[FM3130_RTC_SECONDS] & 0x7f);
- t->tm_min = BCD2BIN(fm3130->regs[FM3130_RTC_MINUTES] & 0x7f);
+ t->tm_sec = bcd2bin(fm3130->regs[FM3130_RTC_SECONDS] & 0x7f);
+ t->tm_min = bcd2bin(fm3130->regs[FM3130_RTC_MINUTES] & 0x7f);
tmp = fm3130->regs[FM3130_RTC_HOURS] & 0x3f;
- t->tm_hour = BCD2BIN(tmp);
- t->tm_wday = BCD2BIN(fm3130->regs[FM3130_RTC_DAY] & 0x07) - 1;
- t->tm_mday = BCD2BIN(fm3130->regs[FM3130_RTC_DATE] & 0x3f);
+ t->tm_hour = bcd2bin(tmp);
+ t->tm_wday = bcd2bin(fm3130->regs[FM3130_RTC_DAY] & 0x07) - 1;
+ t->tm_mday = bcd2bin(fm3130->regs[FM3130_RTC_DATE] & 0x3f);
tmp = fm3130->regs[FM3130_RTC_MONTHS] & 0x1f;
- t->tm_mon = BCD2BIN(tmp) - 1;
+ t->tm_mon = bcd2bin(tmp) - 1;
/* assume 20YY not 19YY, and ignore CF bit */
- t->tm_year = BCD2BIN(fm3130->regs[FM3130_RTC_YEARS]) + 100;
+ t->tm_year = bcd2bin(fm3130->regs[FM3130_RTC_YEARS]) + 100;
dev_dbg(dev, "%s secs=%d, mins=%d, "
"hours=%d, mday=%d, mon=%d, year=%d, wday=%d\n",
@@ -167,16 +167,16 @@ static int fm3130_set_time(struct device *dev, struct rtc_time *t)
t->tm_mon, t->tm_year, t->tm_wday);
/* first register addr */
- buf[FM3130_RTC_SECONDS] = BIN2BCD(t->tm_sec);
- buf[FM3130_RTC_MINUTES] = BIN2BCD(t->tm_min);
- buf[FM3130_RTC_HOURS] = BIN2BCD(t->tm_hour);
- buf[FM3130_RTC_DAY] = BIN2BCD(t->tm_wday + 1);
- buf[FM3130_RTC_DATE] = BIN2BCD(t->tm_mday);
- buf[FM3130_RTC_MONTHS] = BIN2BCD(t->tm_mon + 1);
+ buf[FM3130_RTC_SECONDS] = bin2bcd(t->tm_sec);
+ buf[FM3130_RTC_MINUTES] = bin2bcd(t->tm_min);
+ buf[FM3130_RTC_HOURS] = bin2bcd(t->tm_hour);
+ buf[FM3130_RTC_DAY] = bin2bcd(t->tm_wday + 1);
+ buf[FM3130_RTC_DATE] = bin2bcd(t->tm_mday);
+ buf[FM3130_RTC_MONTHS] = bin2bcd(t->tm_mon + 1);
/* assume 20YY not 19YY */
tmp = t->tm_year - 100;
- buf[FM3130_RTC_YEARS] = BIN2BCD(tmp);
+ buf[FM3130_RTC_YEARS] = bin2bcd(tmp);
dev_dbg(dev, "%s: %02x %02x %02x %02x %02x %02x %02x"
"%02x %02x %02x %02x %02x %02x %02x %02x\n",
@@ -222,11 +222,11 @@ static int fm3130_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
fm3130->regs[FM3130_ALARM_MONTHS]);
- tm->tm_sec = BCD2BIN(fm3130->regs[FM3130_ALARM_SECONDS] & 0x7F);
- tm->tm_min = BCD2BIN(fm3130->regs[FM3130_ALARM_MINUTES] & 0x7F);
- tm->tm_hour = BCD2BIN(fm3130->regs[FM3130_ALARM_HOURS] & 0x3F);
- tm->tm_mday = BCD2BIN(fm3130->regs[FM3130_ALARM_DATE] & 0x3F);
- tm->tm_mon = BCD2BIN(fm3130->regs[FM3130_ALARM_MONTHS] & 0x1F);
+ tm->tm_sec = bcd2bin(fm3130->regs[FM3130_ALARM_SECONDS] & 0x7F);
+ tm->tm_min = bcd2bin(fm3130->regs[FM3130_ALARM_MINUTES] & 0x7F);
+ tm->tm_hour = bcd2bin(fm3130->regs[FM3130_ALARM_HOURS] & 0x3F);
+ tm->tm_mday = bcd2bin(fm3130->regs[FM3130_ALARM_DATE] & 0x3F);
+ tm->tm_mon = bcd2bin(fm3130->regs[FM3130_ALARM_MONTHS] & 0x1F);
if (tm->tm_mon > 0)
tm->tm_mon -= 1; /* RTC is 1-12, tm_mon is 0-11 */
dev_dbg(dev, "%s secs=%d, mins=%d, "
@@ -252,23 +252,23 @@ static int fm3130_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
if (tm->tm_sec != -1)
fm3130->regs[FM3130_ALARM_SECONDS] =
- BIN2BCD(tm->tm_sec) | 0x80;
+ bin2bcd(tm->tm_sec) | 0x80;
if (tm->tm_min != -1)
fm3130->regs[FM3130_ALARM_MINUTES] =
- BIN2BCD(tm->tm_min) | 0x80;
+ bin2bcd(tm->tm_min) | 0x80;
if (tm->tm_hour != -1)
fm3130->regs[FM3130_ALARM_HOURS] =
- BIN2BCD(tm->tm_hour) | 0x80;
+ bin2bcd(tm->tm_hour) | 0x80;
if (tm->tm_mday != -1)
fm3130->regs[FM3130_ALARM_DATE] =
- BIN2BCD(tm->tm_mday) | 0x80;
+ bin2bcd(tm->tm_mday) | 0x80;
if (tm->tm_mon != -1)
fm3130->regs[FM3130_ALARM_MONTHS] =
- BIN2BCD(tm->tm_mon + 1) | 0x80;
+ bin2bcd(tm->tm_mon + 1) | 0x80;
dev_dbg(dev, "alarm write %02x %02x %02x %02x %02x\n",
fm3130->regs[FM3130_ALARM_SECONDS],
@@ -414,18 +414,18 @@ static int __devinit fm3130_probe(struct i2c_client *client,
/* TODO */
/* TODO need to sanity check alarm */
tmp = fm3130->regs[FM3130_RTC_SECONDS];
- tmp = BCD2BIN(tmp & 0x7f);
+ tmp = bcd2bin(tmp & 0x7f);
if (tmp > 60)
goto exit_bad;
- tmp = BCD2BIN(fm3130->regs[FM3130_RTC_MINUTES] & 0x7f);
+ tmp = bcd2bin(fm3130->regs[FM3130_RTC_MINUTES] & 0x7f);
if (tmp > 60)
goto exit_bad;
- tmp = BCD2BIN(fm3130->regs[FM3130_RTC_DATE] & 0x3f);
+ tmp = bcd2bin(fm3130->regs[FM3130_RTC_DATE] & 0x3f);
if (tmp == 0 || tmp > 31)
goto exit_bad;
- tmp = BCD2BIN(fm3130->regs[FM3130_RTC_MONTHS] & 0x1f);
+ tmp = bcd2bin(fm3130->regs[FM3130_RTC_MONTHS] & 0x1f);
if (tmp == 0 || tmp > 12)
goto exit_bad;
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index a81adab6e51..2cd77ab8fc6 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -259,26 +259,26 @@ isl1208_i2c_read_time(struct i2c_client *client, struct rtc_time *tm)
return sr;
}
- tm->tm_sec = BCD2BIN(regs[ISL1208_REG_SC]);
- tm->tm_min = BCD2BIN(regs[ISL1208_REG_MN]);
+ tm->tm_sec = bcd2bin(regs[ISL1208_REG_SC]);
+ tm->tm_min = bcd2bin(regs[ISL1208_REG_MN]);
/* HR field has a more complex interpretation */
{
const u8 _hr = regs[ISL1208_REG_HR];
if (_hr & ISL1208_REG_HR_MIL) /* 24h format */
- tm->tm_hour = BCD2BIN(_hr & 0x3f);
+ tm->tm_hour = bcd2bin(_hr & 0x3f);
else {
/* 12h format */
- tm->tm_hour = BCD2BIN(_hr & 0x1f);
+ tm->tm_hour = bcd2bin(_hr & 0x1f);
if (_hr & ISL1208_REG_HR_PM) /* PM flag set */
tm->tm_hour += 12;
}
}
- tm->tm_mday = BCD2BIN(regs[ISL1208_REG_DT]);
- tm->tm_mon = BCD2BIN(regs[ISL1208_REG_MO]) - 1; /* rtc starts at 1 */
- tm->tm_year = BCD2BIN(regs[ISL1208_REG_YR]) + 100;
- tm->tm_wday = BCD2BIN(regs[ISL1208_REG_DW]);
+ tm->tm_mday = bcd2bin(regs[ISL1208_REG_DT]);
+ tm->tm_mon = bcd2bin(regs[ISL1208_REG_MO]) - 1; /* rtc starts at 1 */
+ tm->tm_year = bcd2bin(regs[ISL1208_REG_YR]) + 100;
+ tm->tm_wday = bcd2bin(regs[ISL1208_REG_DW]);
return 0;
}
@@ -305,13 +305,13 @@ isl1208_i2c_read_alarm(struct i2c_client *client, struct rtc_wkalrm *alarm)
}
/* MSB of each alarm register is an enable bit */
- tm->tm_sec = BCD2BIN(regs[ISL1208_REG_SCA - ISL1208_REG_SCA] & 0x7f);
- tm->tm_min = BCD2BIN(regs[ISL1208_REG_MNA - ISL1208_REG_SCA] & 0x7f);
- tm->tm_hour = BCD2BIN(regs[ISL1208_REG_HRA - ISL1208_REG_SCA] & 0x3f);
- tm->tm_mday = BCD2BIN(regs[ISL1208_REG_DTA - ISL1208_REG_SCA] & 0x3f);
+ tm->tm_sec = bcd2bin(regs[ISL1208_REG_SCA - ISL1208_REG_SCA] & 0x7f);
+ tm->tm_min = bcd2bin(regs[ISL1208_REG_MNA - ISL1208_REG_SCA] & 0x7f);
+ tm->tm_hour = bcd2bin(regs[ISL1208_REG_HRA - ISL1208_REG_SCA] & 0x3f);
+ tm->tm_mday = bcd2bin(regs[ISL1208_REG_DTA - ISL1208_REG_SCA] & 0x3f);
tm->tm_mon =
- BCD2BIN(regs[ISL1208_REG_MOA - ISL1208_REG_SCA] & 0x1f) - 1;
- tm->tm_wday = BCD2BIN(regs[ISL1208_REG_DWA - ISL1208_REG_SCA] & 0x03);
+ bcd2bin(regs[ISL1208_REG_MOA - ISL1208_REG_SCA] & 0x1f) - 1;
+ tm->tm_wday = bcd2bin(regs[ISL1208_REG_DWA - ISL1208_REG_SCA] & 0x03);
return 0;
}
@@ -328,15 +328,15 @@ isl1208_i2c_set_time(struct i2c_client *client, struct rtc_time const *tm)
int sr;
u8 regs[ISL1208_RTC_SECTION_LEN] = { 0, };
- regs[ISL1208_REG_SC] = BIN2BCD(tm->tm_sec);
- regs[ISL1208_REG_MN] = BIN2BCD(tm->tm_min);
- regs[ISL1208_REG_HR] = BIN2BCD(tm->tm_hour) | ISL1208_REG_HR_MIL;
+ regs[ISL1208_REG_SC] = bin2bcd(tm->tm_sec);
+ regs[ISL1208_REG_MN] = bin2bcd(tm->tm_min);
+ regs[ISL1208_REG_HR] = bin2bcd(tm->tm_hour) | ISL1208_REG_HR_MIL;
- regs[ISL1208_REG_DT] = BIN2BCD(tm->tm_mday);
- regs[ISL1208_REG_MO] = BIN2BCD(tm->tm_mon + 1);
- regs[ISL1208_REG_YR] = BIN2BCD(tm->tm_year - 100);
+ regs[ISL1208_REG_DT] = bin2bcd(tm->tm_mday);
+ regs[ISL1208_REG_MO] = bin2bcd(tm->tm_mon + 1);
+ regs[ISL1208_REG_YR] = bin2bcd(tm->tm_year - 100);
- regs[ISL1208_REG_DW] = BIN2BCD(tm->tm_wday & 7);
+ regs[ISL1208_REG_DW] = bin2bcd(tm->tm_wday & 7);
sr = isl1208_i2c_get_sr(client);
if (sr < 0) {
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 470fb2d2954..893f7dece23 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -110,15 +110,15 @@ static int m41t80_get_datetime(struct i2c_client *client,
return -EIO;
}
- tm->tm_sec = BCD2BIN(buf[M41T80_REG_SEC] & 0x7f);
- tm->tm_min = BCD2BIN(buf[M41T80_REG_MIN] & 0x7f);
- tm->tm_hour = BCD2BIN(buf[M41T80_REG_HOUR] & 0x3f);
- tm->tm_mday = BCD2BIN(buf[M41T80_REG_DAY] & 0x3f);
+ tm->tm_sec = bcd2bin(buf[M41T80_REG_SEC] & 0x7f);
+ tm->tm_min = bcd2bin(buf[M41T80_REG_MIN] & 0x7f);
+ tm->tm_hour = bcd2bin(buf[M41T80_REG_HOUR] & 0x3f);
+ tm->tm_mday = bcd2bin(buf[M41T80_REG_DAY] & 0x3f);
tm->tm_wday = buf[M41T80_REG_WDAY] & 0x07;
- tm->tm_mon = BCD2BIN(buf[M41T80_REG_MON] & 0x1f) - 1;
+ tm->tm_mon = bcd2bin(buf[M41T80_REG_MON] & 0x1f) - 1;
/* assume 20YY not 19YY, and ignore the Century Bit */
- tm->tm_year = BCD2BIN(buf[M41T80_REG_YEAR]) + 100;
+ tm->tm_year = bcd2bin(buf[M41T80_REG_YEAR]) + 100;
return 0;
}
@@ -161,19 +161,19 @@ static int m41t80_set_datetime(struct i2c_client *client, struct rtc_time *tm)
/* Merge time-data and register flags into buf[0..7] */
buf[M41T80_REG_SSEC] = 0;
buf[M41T80_REG_SEC] =
- BIN2BCD(tm->tm_sec) | (buf[M41T80_REG_SEC] & ~0x7f);
+ bin2bcd(tm->tm_sec) | (buf[M41T80_REG_SEC] & ~0x7f);
buf[M41T80_REG_MIN] =
- BIN2BCD(tm->tm_min) | (buf[M41T80_REG_MIN] & ~0x7f);
+ bin2bcd(tm->tm_min) | (buf[M41T80_REG_MIN] & ~0x7f);
buf[M41T80_REG_HOUR] =
- BIN2BCD(tm->tm_hour) | (buf[M41T80_REG_HOUR] & ~0x3f) ;
+ bin2bcd(tm->tm_hour) | (buf[M41T80_REG_HOUR] & ~0x3f) ;
buf[M41T80_REG_WDAY] =
(tm->tm_wday & 0x07) | (buf[M41T80_REG_WDAY] & ~0x07);
buf[M41T80_REG_DAY] =
- BIN2BCD(tm->tm_mday) | (buf[M41T80_REG_DAY] & ~0x3f);
+ bin2bcd(tm->tm_mday) | (buf[M41T80_REG_DAY] & ~0x3f);
buf[M41T80_REG_MON] =
- BIN2BCD(tm->tm_mon + 1) | (buf[M41T80_REG_MON] & ~0x1f);
+ bin2bcd(tm->tm_mon + 1) | (buf[M41T80_REG_MON] & ~0x1f);
/* assume 20YY not 19YY */
- buf[M41T80_REG_YEAR] = BIN2BCD(tm->tm_year % 100);
+ buf[M41T80_REG_YEAR] = bin2bcd(tm->tm_year % 100);
if (i2c_transfer(client->adapter, msgs, 1) != 1) {
dev_err(&client->dev, "write error\n");
@@ -288,15 +288,15 @@ static int m41t80_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *t)
wbuf[0] = M41T80_REG_ALARM_MON; /* offset into rtc's regs */
reg[M41T80_REG_ALARM_SEC] |= t->time.tm_sec >= 0 ?
- BIN2BCD(t->time.tm_sec) : 0x80;
+ bin2bcd(t->time.tm_sec) : 0x80;
reg[M41T80_REG_ALARM_MIN] |= t->time.tm_min >= 0 ?
- BIN2BCD(t->time.tm_min) : 0x80;
+ bin2bcd(t->time.tm_min) : 0x80;
reg[M41T80_REG_ALARM_HOUR] |= t->time.tm_hour >= 0 ?
- BIN2BCD(t->time.tm_hour) : 0x80;
+ bin2bcd(t->time.tm_hour) : 0x80;
reg[M41T80_REG_ALARM_DAY] |= t->time.tm_mday >= 0 ?
- BIN2BCD(t->time.tm_mday) : 0x80;
+ bin2bcd(t->time.tm_mday) : 0x80;
if (t->time.tm_mon >= 0)
- reg[M41T80_REG_ALARM_MON] |= BIN2BCD(t->time.tm_mon + 1);
+ reg[M41T80_REG_ALARM_MON] |= bin2bcd(t->time.tm_mon + 1);
else
reg[M41T80_REG_ALARM_DAY] |= 0x40;
@@ -347,15 +347,15 @@ static int m41t80_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *t)
t->time.tm_mday = -1;
t->time.tm_mon = -1;
if (!(reg[M41T80_REG_ALARM_SEC] & 0x80))
- t->time.tm_sec = BCD2BIN(reg[M41T80_REG_ALARM_SEC] & 0x7f);
+ t->time.tm_sec = bcd2bin(reg[M41T80_REG_ALARM_SEC] & 0x7f);
if (!(reg[M41T80_REG_ALARM_MIN] & 0x80))
- t->time.tm_min = BCD2BIN(reg[M41T80_REG_ALARM_MIN] & 0x7f);
+ t->time.tm_min = bcd2bin(reg[M41T80_REG_ALARM_MIN] & 0x7f);
if (!(reg[M41T80_REG_ALARM_HOUR] & 0x80))
- t->time.tm_hour = BCD2BIN(reg[M41T80_REG_ALARM_HOUR] & 0x3f);
+ t->time.tm_hour = bcd2bin(reg[M41T80_REG_ALARM_HOUR] & 0x3f);
if (!(reg[M41T80_REG_ALARM_DAY] & 0x80))
- t->time.tm_mday = BCD2BIN(reg[M41T80_REG_ALARM_DAY] & 0x3f);
+ t->time.tm_mday = bcd2bin(reg[M41T80_REG_ALARM_DAY] & 0x3f);
if (!(reg[M41T80_REG_ALARM_DAY] & 0x40))
- t->time.tm_mon = BCD2BIN(reg[M41T80_REG_ALARM_MON] & 0x1f) - 1;
+ t->time.tm_mon = bcd2bin(reg[M41T80_REG_ALARM_MON] & 0x1f) - 1;
t->time.tm_year = -1;
t->time.tm_wday = -1;
t->time.tm_yday = -1;
diff --git a/drivers/rtc/rtc-m41t94.c b/drivers/rtc/rtc-m41t94.c
index 9b19499c829..c3a18c58daf 100644
--- a/drivers/rtc/rtc-m41t94.c
+++ b/drivers/rtc/rtc-m41t94.c
@@ -41,17 +41,17 @@ static int m41t94_set_time(struct device *dev, struct rtc_time *tm)
tm->tm_mon, tm->tm_year, tm->tm_wday);
buf[0] = 0x80 | M41T94_REG_SECONDS; /* write time + date */
- buf[M41T94_REG_SECONDS] = BIN2BCD(tm->tm_sec);
- buf[M41T94_REG_MINUTES] = BIN2BCD(tm->tm_min);
- buf[M41T94_REG_HOURS] = BIN2BCD(tm->tm_hour);
- buf[M41T94_REG_WDAY] = BIN2BCD(tm->tm_wday + 1);
- buf[M41T94_REG_DAY] = BIN2BCD(tm->tm_mday);
- buf[M41T94_REG_MONTH] = BIN2BCD(tm->tm_mon + 1);
+ buf[M41T94_REG_SECONDS] = bin2bcd(tm->tm_sec);
+ buf[M41T94_REG_MINUTES] = bin2bcd(tm->tm_min);
+ buf[M41T94_REG_HOURS] = bin2bcd(tm->tm_hour);
+ buf[M41T94_REG_WDAY] = bin2bcd(tm->tm_wday + 1);
+ buf[M41T94_REG_DAY] = bin2bcd(tm->tm_mday);
+ buf[M41T94_REG_MONTH] = bin2bcd(tm->tm_mon + 1);
buf[M41T94_REG_HOURS] |= M41T94_BIT_CEB;
if (tm->tm_year >= 100)
buf[M41T94_REG_HOURS] |= M41T94_BIT_CB;
- buf[M41T94_REG_YEAR] = BIN2BCD(tm->tm_year % 100);
+ buf[M41T94_REG_YEAR] = bin2bcd(tm->tm_year % 100);
return spi_write(spi, buf, 8);
}
@@ -82,14 +82,14 @@ static int m41t94_read_time(struct device *dev, struct rtc_time *tm)
spi_write(spi, buf, 2);
}
- tm->tm_sec = BCD2BIN(spi_w8r8(spi, M41T94_REG_SECONDS));
- tm->tm_min = BCD2BIN(spi_w8r8(spi, M41T94_REG_MINUTES));
+ tm->tm_sec = bcd2bin(spi_w8r8(spi, M41T94_REG_SECONDS));
+ tm->tm_min = bcd2bin(spi_w8r8(spi, M41T94_REG_MINUTES));
hour = spi_w8r8(spi, M41T94_REG_HOURS);
- tm->tm_hour = BCD2BIN(hour & 0x3f);
- tm->tm_wday = BCD2BIN(spi_w8r8(spi, M41T94_REG_WDAY)) - 1;
- tm->tm_mday = BCD2BIN(spi_w8r8(spi, M41T94_REG_DAY));
- tm->tm_mon = BCD2BIN(spi_w8r8(spi, M41T94_REG_MONTH)) - 1;
- tm->tm_year = BCD2BIN(spi_w8r8(spi, M41T94_REG_YEAR));
+ tm->tm_hour = bcd2bin(hour & 0x3f);
+ tm->tm_wday = bcd2bin(spi_w8r8(spi, M41T94_REG_WDAY)) - 1;
+ tm->tm_mday = bcd2bin(spi_w8r8(spi, M41T94_REG_DAY));
+ tm->tm_mon = bcd2bin(spi_w8r8(spi, M41T94_REG_MONTH)) - 1;
+ tm->tm_year = bcd2bin(spi_w8r8(spi, M41T94_REG_YEAR));
if ((hour & M41T94_BIT_CB) || !(hour & M41T94_BIT_CEB))
tm->tm_year += 100;
diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c
index ce4eff6a8d5..04b63dab693 100644
--- a/drivers/rtc/rtc-m48t59.c
+++ b/drivers/rtc/rtc-m48t59.c
@@ -76,10 +76,10 @@ static int m48t59_rtc_read_time(struct device *dev, struct rtc_time *tm)
/* Issue the READ command */
M48T59_SET_BITS(M48T59_CNTL_READ, M48T59_CNTL);
- tm->tm_year = BCD2BIN(M48T59_READ(M48T59_YEAR));
+ tm->tm_year = bcd2bin(M48T59_READ(M48T59_YEAR));
/* tm_mon is 0-11 */
- tm->tm_mon = BCD2BIN(M48T59_READ(M48T59_MONTH)) - 1;
- tm->tm_mday = BCD2BIN(M48T59_READ(M48T59_MDAY));
+ tm->tm_mon = bcd2bin(M48T59_READ(M48T59_MONTH)) - 1;
+ tm->tm_mday = bcd2bin(M48T59_READ(M48T59_MDAY));
val = M48T59_READ(M48T59_WDAY);
if ((pdata->type == M48T59RTC_TYPE_M48T59) &&
@@ -88,10 +88,10 @@ static int m48t59_rtc_read_time(struct device *dev, struct rtc_time *tm)
tm->tm_year += 100; /* one century */
}
- tm->tm_wday = BCD2BIN(val & 0x07);
- tm->tm_hour = BCD2BIN(M48T59_READ(M48T59_HOUR) & 0x3F);
- tm->tm_min = BCD2BIN(M48T59_READ(M48T59_MIN) & 0x7F);
- tm->tm_sec = BCD2BIN(M48T59_READ(M48T59_SEC) & 0x7F);
+ tm->tm_wday = bcd2bin(val & 0x07);
+ tm->tm_hour = bcd2bin(M48T59_READ(M48T59_HOUR) & 0x3F);
+ tm->tm_min = bcd2bin(M48T59_READ(M48T59_MIN) & 0x7F);
+ tm->tm_sec = bcd2bin(M48T59_READ(M48T59_SEC) & 0x7F);
/* Clear the READ bit */
M48T59_CLEAR_BITS(M48T59_CNTL_READ, M48T59_CNTL);
@@ -119,17 +119,17 @@ static int m48t59_rtc_set_time(struct device *dev, struct rtc_time *tm)
/* Issue the WRITE command */
M48T59_SET_BITS(M48T59_CNTL_WRITE, M48T59_CNTL);
- M48T59_WRITE((BIN2BCD(tm->tm_sec) & 0x7F), M48T59_SEC);
- M48T59_WRITE((BIN2BCD(tm->tm_min) & 0x7F), M48T59_MIN);
- M48T59_WRITE((BIN2BCD(tm->tm_hour) & 0x3F), M48T59_HOUR);
- M48T59_WRITE((BIN2BCD(tm->tm_mday) & 0x3F), M48T59_MDAY);
+ M48T59_WRITE((bin2bcd(tm->tm_sec) & 0x7F), M48T59_SEC);
+ M48T59_WRITE((bin2bcd(tm->tm_min) & 0x7F), M48T59_MIN);
+ M48T59_WRITE((bin2bcd(tm->tm_hour) & 0x3F), M48T59_HOUR);
+ M48T59_WRITE((bin2bcd(tm->tm_mday) & 0x3F), M48T59_MDAY);
/* tm_mon is 0-11 */
- M48T59_WRITE((BIN2BCD(tm->tm_mon + 1) & 0x1F), M48T59_MONTH);
- M48T59_WRITE(BIN2BCD(tm->tm_year % 100), M48T59_YEAR);
+ M48T59_WRITE((bin2bcd(tm->tm_mon + 1) & 0x1F), M48T59_MONTH);
+ M48T59_WRITE(bin2bcd(tm->tm_year % 100), M48T59_YEAR);
if (pdata->type == M48T59RTC_TYPE_M48T59 && (tm->tm_year / 100))
val = (M48T59_WDAY_CEB | M48T59_WDAY_CB);
- val |= (BIN2BCD(tm->tm_wday) & 0x07);
+ val |= (bin2bcd(tm->tm_wday) & 0x07);
M48T59_WRITE(val, M48T59_WDAY);
/* Clear the WRITE bit */
@@ -158,18 +158,18 @@ static int m48t59_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
/* Issue the READ command */
M48T59_SET_BITS(M48T59_CNTL_READ, M48T59_CNTL);
- tm->tm_year = BCD2BIN(M48T59_READ(M48T59_YEAR));
+ tm->tm_year = bcd2bin(M48T59_READ(M48T59_YEAR));
/* tm_mon is 0-11 */
- tm->tm_mon = BCD2BIN(M48T59_READ(M48T59_MONTH)) - 1;
+ tm->tm_mon = bcd2bin(M48T59_READ(M48T59_MONTH)) - 1;
val = M48T59_READ(M48T59_WDAY);
if ((val & M48T59_WDAY_CEB) && (val & M48T59_WDAY_CB))
tm->tm_year += 100; /* one century */
- tm->tm_mday = BCD2BIN(M48T59_READ(M48T59_ALARM_DATE));
- tm->tm_hour = BCD2BIN(M48T59_READ(M48T59_ALARM_HOUR));
- tm->tm_min = BCD2BIN(M48T59_READ(M48T59_ALARM_MIN));
- tm->tm_sec = BCD2BIN(M48T59_READ(M48T59_ALARM_SEC));
+ tm->tm_mday = bcd2bin(M48T59_READ(M48T59_ALARM_DATE));
+ tm->tm_hour = bcd2bin(M48T59_READ(M48T59_ALARM_HOUR));
+ tm->tm_min = bcd2bin(M48T59_READ(M48T59_ALARM_MIN));
+ tm->tm_sec = bcd2bin(M48T59_READ(M48T59_ALARM_SEC));
/* Clear the READ bit */
M48T59_CLEAR_BITS(M48T59_CNTL_READ, M48T59_CNTL);
@@ -201,18 +201,18 @@ static int m48t59_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
* 0xff means "always match"
*/
mday = tm->tm_mday;
- mday = (mday >= 1 && mday <= 31) ? BIN2BCD(mday) : 0xff;
+ mday = (mday >= 1 && mday <= 31) ? bin2bcd(mday) : 0xff;
if (mday == 0xff)
mday = M48T59_READ(M48T59_MDAY);
hour = tm->tm_hour;
- hour = (hour < 24) ? BIN2BCD(hour) : 0x00;
+ hour = (hour < 24) ? bin2bcd(hour) : 0x00;
min = tm->tm_min;
- min = (min < 60) ? BIN2BCD(min) : 0x00;
+ min = (min < 60) ? bin2bcd(min) : 0x00;
sec = tm->tm_sec;
- sec = (sec < 60) ? BIN2BCD(sec) : 0x00;
+ sec = (sec < 60) ? bin2bcd(sec) : 0x00;
spin_lock_irqsave(&m48t59->lock, flags);
/* Issue the WRITE command */
@@ -360,7 +360,6 @@ static struct bin_attribute m48t59_nvram_attr = {
.attr = {
.name = "nvram",
.mode = S_IRUGO | S_IWUSR,
- .owner = THIS_MODULE,
},
.read = m48t59_nvram_read,
.write = m48t59_nvram_write,
diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c
index 3f7f99a5d96..7c045cffa9f 100644
--- a/drivers/rtc/rtc-m48t86.c
+++ b/drivers/rtc/rtc-m48t86.c
@@ -62,14 +62,14 @@ static int m48t86_rtc_read_time(struct device *dev, struct rtc_time *tm)
tm->tm_wday = ops->readbyte(M48T86_REG_DOW);
} else {
/* bcd mode */
- tm->tm_sec = BCD2BIN(ops->readbyte(M48T86_REG_SEC));
- tm->tm_min = BCD2BIN(ops->readbyte(M48T86_REG_MIN));
- tm->tm_hour = BCD2BIN(ops->readbyte(M48T86_REG_HOUR) & 0x3F);
- tm->tm_mday = BCD2BIN(ops->readbyte(M48T86_REG_DOM));
+ tm->tm_sec = bcd2bin(ops->readbyte(M48T86_REG_SEC));
+ tm->tm_min = bcd2bin(ops->readbyte(M48T86_REG_MIN));
+ tm->tm_hour = bcd2bin(ops->readbyte(M48T86_REG_HOUR) & 0x3F);
+ tm->tm_mday = bcd2bin(ops->readbyte(M48T86_REG_DOM));
/* tm_mon is 0-11 */
- tm->tm_mon = BCD2BIN(ops->readbyte(M48T86_REG_MONTH)) - 1;
- tm->tm_year = BCD2BIN(ops->readbyte(M48T86_REG_YEAR)) + 100;
- tm->tm_wday = BCD2BIN(ops->readbyte(M48T86_REG_DOW));
+ tm->tm_mon = bcd2bin(ops->readbyte(M48T86_REG_MONTH)) - 1;
+ tm->tm_year = bcd2bin(ops->readbyte(M48T86_REG_YEAR)) + 100;
+ tm->tm_wday = bcd2bin(ops->readbyte(M48T86_REG_DOW));
}
/* correct the hour if the clock is in 12h mode */
@@ -103,13 +103,13 @@ static int m48t86_rtc_set_time(struct device *dev, struct rtc_time *tm)
ops->writebyte(tm->tm_wday, M48T86_REG_DOW);
} else {
/* bcd mode */
- ops->writebyte(BIN2BCD(tm->tm_sec), M48T86_REG_SEC);
- ops->writebyte(BIN2BCD(tm->tm_min), M48T86_REG_MIN);
- ops->writebyte(BIN2BCD(tm->tm_hour), M48T86_REG_HOUR);
- ops->writebyte(BIN2BCD(tm->tm_mday), M48T86_REG_DOM);
- ops->writebyte(BIN2BCD(tm->tm_mon + 1), M48T86_REG_MONTH);
- ops->writebyte(BIN2BCD(tm->tm_year % 100), M48T86_REG_YEAR);
- ops->writebyte(BIN2BCD(tm->tm_wday), M48T86_REG_DOW);
+ ops->writebyte(bin2bcd(tm->tm_sec), M48T86_REG_SEC);
+ ops->writebyte(bin2bcd(tm->tm_min), M48T86_REG_MIN);
+ ops->writebyte(bin2bcd(tm->tm_hour), M48T86_REG_HOUR);
+ ops->writebyte(bin2bcd(tm->tm_mday), M48T86_REG_DOM);
+ ops->writebyte(bin2bcd(tm->tm_mon + 1), M48T86_REG_MONTH);
+ ops->writebyte(bin2bcd(tm->tm_year % 100), M48T86_REG_YEAR);
+ ops->writebyte(bin2bcd(tm->tm_wday), M48T86_REG_DOW);
}
/* update ended */
diff --git a/drivers/rtc/rtc-max6900.c b/drivers/rtc/rtc-max6900.c
index 12c9cd25cad..80782798763 100644
--- a/drivers/rtc/rtc-max6900.c
+++ b/drivers/rtc/rtc-max6900.c
@@ -150,14 +150,14 @@ static int max6900_i2c_read_time(struct i2c_client *client, struct rtc_time *tm)
if (rc < 0)
return rc;
- tm->tm_sec = BCD2BIN(regs[MAX6900_REG_SC]);
- tm->tm_min = BCD2BIN(regs[MAX6900_REG_MN]);
- tm->tm_hour = BCD2BIN(regs[MAX6900_REG_HR] & 0x3f);
- tm->tm_mday = BCD2BIN(regs[MAX6900_REG_DT]);
- tm->tm_mon = BCD2BIN(regs[MAX6900_REG_MO]) - 1;
- tm->tm_year = BCD2BIN(regs[MAX6900_REG_YR]) +
- BCD2BIN(regs[MAX6900_REG_CENTURY]) * 100 - 1900;
- tm->tm_wday = BCD2BIN(regs[MAX6900_REG_DW]);
+ tm->tm_sec = bcd2bin(regs[MAX6900_REG_SC]);
+ tm->tm_min = bcd2bin(regs[MAX6900_REG_MN]);
+ tm->tm_hour = bcd2bin(regs[MAX6900_REG_HR] & 0x3f);
+ tm->tm_mday = bcd2bin(regs[MAX6900_REG_DT]);
+ tm->tm_mon = bcd2bin(regs[MAX6900_REG_MO]) - 1;
+ tm->tm_year = bcd2bin(regs[MAX6900_REG_YR]) +
+ bcd2bin(regs[MAX6900_REG_CENTURY]) * 100 - 1900;
+ tm->tm_wday = bcd2bin(regs[MAX6900_REG_DW]);
return 0;
}
@@ -184,14 +184,14 @@ max6900_i2c_set_time(struct i2c_client *client, struct rtc_time const *tm)
if (rc < 0)
return rc;
- regs[MAX6900_REG_SC] = BIN2BCD(tm->tm_sec);
- regs[MAX6900_REG_MN] = BIN2BCD(tm->tm_min);
- regs[MAX6900_REG_HR] = BIN2BCD(tm->tm_hour);
- regs[MAX6900_REG_DT] = BIN2BCD(tm->tm_mday);
- regs[MAX6900_REG_MO] = BIN2BCD(tm->tm_mon + 1);
- regs[MAX6900_REG_DW] = BIN2BCD(tm->tm_wday);
- regs[MAX6900_REG_YR] = BIN2BCD(tm->tm_year % 100);
- regs[MAX6900_REG_CENTURY] = BIN2BCD((tm->tm_year + 1900) / 100);
+ regs[MAX6900_REG_SC] = bin2bcd(tm->tm_sec);
+ regs[MAX6900_REG_MN] = bin2bcd(tm->tm_min);
+ regs[MAX6900_REG_HR] = bin2bcd(tm->tm_hour);
+ regs[MAX6900_REG_DT] = bin2bcd(tm->tm_mday);
+ regs[MAX6900_REG_MO] = bin2bcd(tm->tm_mon + 1);
+ regs[MAX6900_REG_DW] = bin2bcd(tm->tm_wday);
+ regs[MAX6900_REG_YR] = bin2bcd(tm->tm_year % 100);
+ regs[MAX6900_REG_CENTURY] = bin2bcd((tm->tm_year + 1900) / 100);
/* set write protect */
regs[MAX6900_REG_CT] = MAX6900_REG_CT_WP;
diff --git a/drivers/rtc/rtc-max6902.c b/drivers/rtc/rtc-max6902.c
index 78b2551fb19..2f6507df7b4 100644
--- a/drivers/rtc/rtc-max6902.c
+++ b/drivers/rtc/rtc-max6902.c
@@ -124,15 +124,15 @@ static int max6902_get_datetime(struct device *dev, struct rtc_time *dt)
/* The chip sends data in this order:
* Seconds, Minutes, Hours, Date, Month, Day, Year */
- dt->tm_sec = BCD2BIN(chip->buf[1]);
- dt->tm_min = BCD2BIN(chip->buf[2]);
- dt->tm_hour = BCD2BIN(chip->buf[3]);
- dt->tm_mday = BCD2BIN(chip->buf[4]);
- dt->tm_mon = BCD2BIN(chip->buf[5]) - 1;
- dt->tm_wday = BCD2BIN(chip->buf[6]);
- dt->tm_year = BCD2BIN(chip->buf[7]);
+ dt->tm_sec = bcd2bin(chip->buf[1]);
+ dt->tm_min = bcd2bin(chip->buf[2]);
+ dt->tm_hour = bcd2bin(chip->buf[3]);
+ dt->tm_mday = bcd2bin(chip->buf[4]);
+ dt->tm_mon = bcd2bin(chip->buf[5]) - 1;
+ dt->tm_wday = bcd2bin(chip->buf[6]);
+ dt->tm_year = bcd2bin(chip->buf[7]);
- century = BCD2BIN(tmp) * 100;
+ century = bcd2bin(tmp) * 100;
dt->tm_year += century;
dt->tm_year -= 1900;
@@ -168,15 +168,15 @@ static int max6902_set_datetime(struct device *dev, struct rtc_time *dt)
/* Remove write protection */
max6902_set_reg(dev, 0xF, 0);
- max6902_set_reg(dev, 0x01, BIN2BCD(dt->tm_sec));
- max6902_set_reg(dev, 0x03, BIN2BCD(dt->tm_min));
- max6902_set_reg(dev, 0x05, BIN2BCD(dt->tm_hour));
+ max6902_set_reg(dev, 0x01, bin2bcd(dt->tm_sec));
+ max6902_set_reg(dev, 0x03, bin2bcd(dt->tm_min));
+ max6902_set_reg(dev, 0x05, bin2bcd(dt->tm_hour));
- max6902_set_reg(dev, 0x07, BIN2BCD(dt->tm_mday));
- max6902_set_reg(dev, 0x09, BIN2BCD(dt->tm_mon+1));
- max6902_set_reg(dev, 0x0B, BIN2BCD(dt->tm_wday));
- max6902_set_reg(dev, 0x0D, BIN2BCD(dt->tm_year%100));
- max6902_set_reg(dev, 0x13, BIN2BCD(dt->tm_year/100));
+ max6902_set_reg(dev, 0x07, bin2bcd(dt->tm_mday));
+ max6902_set_reg(dev, 0x09, bin2bcd(dt->tm_mon+1));
+ max6902_set_reg(dev, 0x0B, bin2bcd(dt->tm_wday));
+ max6902_set_reg(dev, 0x0D, bin2bcd(dt->tm_year%100));
+ max6902_set_reg(dev, 0x13, bin2bcd(dt->tm_year/100));
/* Compulab used a delay here. However, the datasheet
* does not mention a delay being required anywhere... */
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index 8876605d4d4..2cbeb0794f1 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -186,30 +186,30 @@ static int tm2bcd(struct rtc_time *tm)
if (rtc_valid_tm(tm) != 0)
return -EINVAL;
- tm->tm_sec = BIN2BCD(tm->tm_sec);
- tm->tm_min = BIN2BCD(tm->tm_min);
- tm->tm_hour = BIN2BCD(tm->tm_hour);
- tm->tm_mday = BIN2BCD(tm->tm_mday);
+ tm->tm_sec = bin2bcd(tm->tm_sec);
+ tm->tm_min = bin2bcd(tm->tm_min);
+ tm->tm_hour = bin2bcd(tm->tm_hour);
+ tm->tm_mday = bin2bcd(tm->tm_mday);
- tm->tm_mon = BIN2BCD(tm->tm_mon + 1);
+ tm->tm_mon = bin2bcd(tm->tm_mon + 1);
/* epoch == 1900 */
if (tm->tm_year < 100 || tm->tm_year > 199)
return -EINVAL;
- tm->tm_year = BIN2BCD(tm->tm_year - 100);
+ tm->tm_year = bin2bcd(tm->tm_year - 100);
return 0;
}
static void bcd2tm(struct rtc_time *tm)
{
- tm->tm_sec = BCD2BIN(tm->tm_sec);
- tm->tm_min = BCD2BIN(tm->tm_min);
- tm->tm_hour = BCD2BIN(tm->tm_hour);
- tm->tm_mday = BCD2BIN(tm->tm_mday);
- tm->tm_mon = BCD2BIN(tm->tm_mon) - 1;
+ tm->tm_sec = bcd2bin(tm->tm_sec);
+ tm->tm_min = bcd2bin(tm->tm_min);
+ tm->tm_hour = bcd2bin(tm->tm_hour);
+ tm->tm_mday = bcd2bin(tm->tm_mday);
+ tm->tm_mon = bcd2bin(tm->tm_mon) - 1;
/* epoch == 1900 */
- tm->tm_year = BCD2BIN(tm->tm_year) + 100;
+ tm->tm_year = bcd2bin(tm->tm_year) + 100;
}
diff --git a/drivers/rtc/rtc-parisc.c b/drivers/rtc/rtc-parisc.c
new file mode 100644
index 00000000000..346d633655e
--- /dev/null
+++ b/drivers/rtc/rtc-parisc.c
@@ -0,0 +1,111 @@
+/* rtc-parisc: RTC for HP PA-RISC firmware
+ *
+ * Copyright (C) 2008 Kyle McMartin <kyle@mcmartin.ca>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/time.h>
+#include <linux/platform_device.h>
+
+#include <asm/rtc.h>
+
+/* as simple as can be, and no simpler. */
+struct parisc_rtc {
+ struct rtc_device *rtc;
+ spinlock_t lock;
+};
+
+static int parisc_get_time(struct device *dev, struct rtc_time *tm)
+{
+ struct parisc_rtc *p = dev_get_drvdata(dev);
+ unsigned long flags, ret;
+
+ spin_lock_irqsave(&p->lock, flags);
+ ret = get_rtc_time(tm);
+ spin_unlock_irqrestore(&p->lock, flags);
+
+ if (ret & RTC_BATT_BAD)
+ return -EOPNOTSUPP;
+
+ return 0;
+}
+
+static int parisc_set_time(struct device *dev, struct rtc_time *tm)
+{
+ struct parisc_rtc *p = dev_get_drvdata(dev);
+ unsigned long flags, ret;
+
+ spin_lock_irqsave(&p->lock, flags);
+ ret = set_rtc_time(tm);
+ spin_unlock_irqrestore(&p->lock, flags);
+
+ if (ret < 0)
+ return -EOPNOTSUPP;
+
+ return 0;
+}
+
+static const struct rtc_class_ops parisc_rtc_ops = {
+ .read_time = parisc_get_time,
+ .set_time = parisc_set_time,
+};
+
+static int __devinit parisc_rtc_probe(struct platform_device *dev)
+{
+ struct parisc_rtc *p;
+
+ p = kzalloc(sizeof (*p), GFP_KERNEL);
+ if (!p)
+ return -ENOMEM;
+
+ spin_lock_init(&p->lock);
+
+ p->rtc = rtc_device_register("rtc-parisc", &dev->dev, &parisc_rtc_ops,
+ THIS_MODULE);
+ if (IS_ERR(p->rtc)) {
+ int err = PTR_ERR(p->rtc);
+ kfree(p);
+ return err;
+ }
+
+ platform_set_drvdata(dev, p);
+
+ return 0;
+}
+
+static int __devexit parisc_rtc_remove(struct platform_device *dev)
+{
+ struct parisc_rtc *p = platform_get_drvdata(dev);
+
+ rtc_device_unregister(p->rtc);
+ kfree(p);
+
+ return 0;
+}
+
+static struct platform_driver parisc_rtc_driver = {
+ .driver = {
+ .name = "rtc-parisc",
+ .owner = THIS_MODULE,
+ },
+ .probe = parisc_rtc_probe,
+ .remove = __devexit_p(parisc_rtc_remove),
+};
+
+static int __init parisc_rtc_init(void)
+{
+ return platform_driver_register(&parisc_rtc_driver);
+}
+
+static void __exit parisc_rtc_fini(void)
+{
+ platform_driver_unregister(&parisc_rtc_driver);
+}
+
+module_init(parisc_rtc_init);
+module_exit(parisc_rtc_fini);
+
+MODULE_AUTHOR("Kyle McMartin <kyle@mcmartin.ca>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("HP PA-RISC RTC driver");
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index a829f20ad6d..b725913ccbe 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -97,13 +97,13 @@ static int pcf8563_get_datetime(struct i2c_client *client, struct rtc_time *tm)
buf[8]);
- tm->tm_sec = BCD2BIN(buf[PCF8563_REG_SC] & 0x7F);
- tm->tm_min = BCD2BIN(buf[PCF8563_REG_MN] & 0x7F);
- tm->tm_hour = BCD2BIN(buf[PCF8563_REG_HR] & 0x3F); /* rtc hr 0-23 */
- tm->tm_mday = BCD2BIN(buf[PCF8563_REG_DM] & 0x3F);
+ tm->tm_sec = bcd2bin(buf[PCF8563_REG_SC] & 0x7F);
+ tm->tm_min = bcd2bin(buf[PCF8563_REG_MN] & 0x7F);
+ tm->tm_hour = bcd2bin(buf[PCF8563_REG_HR] & 0x3F); /* rtc hr 0-23 */
+ tm->tm_mday = bcd2bin(buf[PCF8563_REG_DM] & 0x3F);
tm->tm_wday = buf[PCF8563_REG_DW] & 0x07;
- tm->tm_mon = BCD2BIN(buf[PCF8563_REG_MO] & 0x1F) - 1; /* rtc mn 1-12 */
- tm->tm_year = BCD2BIN(buf[PCF8563_REG_YR]);
+ tm->tm_mon = bcd2bin(buf[PCF8563_REG_MO] & 0x1F) - 1; /* rtc mn 1-12 */
+ tm->tm_year = bcd2bin(buf[PCF8563_REG_YR]);
if (tm->tm_year < 70)
tm->tm_year += 100; /* assume we are in 1970...2069 */
/* detect the polarity heuristically. see note above. */
@@ -138,17 +138,17 @@ static int pcf8563_set_datetime(struct i2c_client *client, struct rtc_time *tm)
tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
/* hours, minutes and seconds */
- buf[PCF8563_REG_SC] = BIN2BCD(tm->tm_sec);
- buf[PCF8563_REG_MN] = BIN2BCD(tm->tm_min);
- buf[PCF8563_REG_HR] = BIN2BCD(tm->tm_hour);
+ buf[PCF8563_REG_SC] = bin2bcd(tm->tm_sec);
+ buf[PCF8563_REG_MN] = bin2bcd(tm->tm_min);
+ buf[PCF8563_REG_HR] = bin2bcd(tm->tm_hour);
- buf[PCF8563_REG_DM] = BIN2BCD(tm->tm_mday);
+ buf[PCF8563_REG_DM] = bin2bcd(tm->tm_mday);
/* month, 1 - 12 */
- buf[PCF8563_REG_MO] = BIN2BCD(tm->tm_mon + 1);
+ buf[PCF8563_REG_MO] = bin2bcd(tm->tm_mon + 1);
/* year and century */
- buf[PCF8563_REG_YR] = BIN2BCD(tm->tm_year % 100);
+ buf[PCF8563_REG_YR] = bin2bcd(tm->tm_year % 100);
if (pcf8563->c_polarity ? (tm->tm_year >= 100) : (tm->tm_year < 100))
buf[PCF8563_REG_MO] |= PCF8563_MO_C;
diff --git a/drivers/rtc/rtc-pcf8583.c b/drivers/rtc/rtc-pcf8583.c
index d388c662bf4..7d33cda3f8f 100644
--- a/drivers/rtc/rtc-pcf8583.c
+++ b/drivers/rtc/rtc-pcf8583.c
@@ -76,11 +76,11 @@ static int pcf8583_get_datetime(struct i2c_client *client, struct rtc_time *dt)
buf[4] &= 0x3f;
buf[5] &= 0x1f;
- dt->tm_sec = BCD2BIN(buf[1]);
- dt->tm_min = BCD2BIN(buf[2]);
- dt->tm_hour = BCD2BIN(buf[3]);
- dt->tm_mday = BCD2BIN(buf[4]);
- dt->tm_mon = BCD2BIN(buf[5]) - 1;
+ dt->tm_sec = bcd2bin(buf[1]);
+ dt->tm_min = bcd2bin(buf[2]);
+ dt->tm_hour = bcd2bin(buf[3]);
+ dt->tm_mday = bcd2bin(buf[4]);
+ dt->tm_mon = bcd2bin(buf[5]) - 1;
}
return ret == 2 ? 0 : -EIO;
@@ -94,14 +94,14 @@ static int pcf8583_set_datetime(struct i2c_client *client, struct rtc_time *dt,
buf[0] = 0;
buf[1] = get_ctrl(client) | 0x80;
buf[2] = 0;
- buf[3] = BIN2BCD(dt->tm_sec);
- buf[4] = BIN2BCD(dt->tm_min);
- buf[5] = BIN2BCD(dt->tm_hour);
+ buf[3] = bin2bcd(dt->tm_sec);
+ buf[4] = bin2bcd(dt->tm_min);
+ buf[5] = bin2bcd(dt->tm_hour);
if (datetoo) {
len = 8;
- buf[6] = BIN2BCD(dt->tm_mday) | (dt->tm_year << 6);
- buf[7] = BIN2BCD(dt->tm_mon + 1) | (dt->tm_wday << 5);
+ buf[6] = bin2bcd(dt->tm_mday) | (dt->tm_year << 6);
+ buf[7] = bin2bcd(dt->tm_mon + 1) | (dt->tm_wday << 5);
}
ret = i2c_master_send(client, (char *)buf, len);
diff --git a/drivers/rtc/rtc-r9701.c b/drivers/rtc/rtc-r9701.c
index 395985b339c..42028f233be 100644
--- a/drivers/rtc/rtc-r9701.c
+++ b/drivers/rtc/rtc-r9701.c
@@ -80,13 +80,13 @@ static int r9701_get_datetime(struct device *dev, struct rtc_time *dt)
memset(dt, 0, sizeof(*dt));
- dt->tm_sec = BCD2BIN(buf[0]); /* RSECCNT */
- dt->tm_min = BCD2BIN(buf[1]); /* RMINCNT */
- dt->tm_hour = BCD2BIN(buf[2]); /* RHRCNT */
+ dt->tm_sec = bcd2bin(buf[0]); /* RSECCNT */
+ dt->tm_min = bcd2bin(buf[1]); /* RMINCNT */
+ dt->tm_hour = bcd2bin(buf[2]); /* RHRCNT */
- dt->tm_mday = BCD2BIN(buf[3]); /* RDAYCNT */
- dt->tm_mon = BCD2BIN(buf[4]) - 1; /* RMONCNT */
- dt->tm_year = BCD2BIN(buf[5]) + 100; /* RYRCNT */
+ dt->tm_mday = bcd2bin(buf[3]); /* RDAYCNT */
+ dt->tm_mon = bcd2bin(buf[4]) - 1; /* RMONCNT */
+ dt->tm_year = bcd2bin(buf[5]) + 100; /* RYRCNT */
/* the rtc device may contain illegal values on power up
* according to the data sheet. make sure they are valid.
@@ -103,12 +103,12 @@ static int r9701_set_datetime(struct device *dev, struct rtc_time *dt)
if (year >= 2100 || year < 2000)
return -EINVAL;
- ret = write_reg(dev, RHRCNT, BIN2BCD(dt->tm_hour));
- ret = ret ? ret : write_reg(dev, RMINCNT, BIN2BCD(dt->tm_min));
- ret = ret ? ret : write_reg(dev, RSECCNT, BIN2BCD(dt->tm_sec));
- ret = ret ? ret : write_reg(dev, RDAYCNT, BIN2BCD(dt->tm_mday));
- ret = ret ? ret : write_reg(dev, RMONCNT, BIN2BCD(dt->tm_mon + 1));
- ret = ret ? ret : write_reg(dev, RYRCNT, BIN2BCD(dt->tm_year - 100));
+ ret = write_reg(dev, RHRCNT, bin2bcd(dt->tm_hour));
+ ret = ret ? ret : write_reg(dev, RMINCNT, bin2bcd(dt->tm_min));
+ ret = ret ? ret : write_reg(dev, RSECCNT, bin2bcd(dt->tm_sec));
+ ret = ret ? ret : write_reg(dev, RDAYCNT, bin2bcd(dt->tm_mday));
+ ret = ret ? ret : write_reg(dev, RMONCNT, bin2bcd(dt->tm_mon + 1));
+ ret = ret ? ret : write_reg(dev, RYRCNT, bin2bcd(dt->tm_year - 100));
ret = ret ? ret : write_reg(dev, RWKCNT, 1 << dt->tm_wday);
return ret;
diff --git a/drivers/rtc/rtc-rs5c313.c b/drivers/rtc/rtc-rs5c313.c
index 1c14d4497c4..e6ea3f5ee1e 100644
--- a/drivers/rtc/rtc-rs5c313.c
+++ b/drivers/rtc/rtc-rs5c313.c
@@ -235,33 +235,33 @@ static int rs5c313_rtc_read_time(struct device *dev, struct rtc_time *tm)
data = rs5c313_read_reg(RS5C313_ADDR_SEC);
data |= (rs5c313_read_reg(RS5C313_ADDR_SEC10) << 4);
- tm->tm_sec = BCD2BIN(data);
+ tm->tm_sec = bcd2bin(data);
data = rs5c313_read_reg(RS5C313_ADDR_MIN);
data |= (rs5c313_read_reg(RS5C313_ADDR_MIN10) << 4);
- tm->tm_min = BCD2BIN(data);
+ tm->tm_min = bcd2bin(data);
data = rs5c313_read_reg(RS5C313_ADDR_HOUR);
data |= (rs5c313_read_reg(RS5C313_ADDR_HOUR10) << 4);
- tm->tm_hour = BCD2BIN(data);
+ tm->tm_hour = bcd2bin(data);
data = rs5c313_read_reg(RS5C313_ADDR_DAY);
data |= (rs5c313_read_reg(RS5C313_ADDR_DAY10) << 4);
- tm->tm_mday = BCD2BIN(data);
+ tm->tm_mday = bcd2bin(data);
data = rs5c313_read_reg(RS5C313_ADDR_MON);
data |= (rs5c313_read_reg(RS5C313_ADDR_MON10) << 4);
- tm->tm_mon = BCD2BIN(data) - 1;
+ tm->tm_mon = bcd2bin(data) - 1;
data = rs5c313_read_reg(RS5C313_ADDR_YEAR);
data |= (rs5c313_read_reg(RS5C313_ADDR_YEAR10) << 4);
- tm->tm_year = BCD2BIN(data);
+ tm->tm_year = bcd2bin(data);
if (tm->tm_year < 70)
tm->tm_year += 100;
data = rs5c313_read_reg(RS5C313_ADDR_WEEK);
- tm->tm_wday = BCD2BIN(data);
+ tm->tm_wday = bcd2bin(data);
RS5C313_CEDISABLE;
ndelay(700); /* CE:L */
@@ -294,31 +294,31 @@ static int rs5c313_rtc_set_time(struct device *dev, struct rtc_time *tm)
}
}
- data = BIN2BCD(tm->tm_sec);
+ data = bin2bcd(tm->tm_sec);
rs5c313_write_reg(RS5C313_ADDR_SEC, data);
rs5c313_write_reg(RS5C313_ADDR_SEC10, (data >> 4));
- data = BIN2BCD(tm->tm_min);
+ data = bin2bcd(tm->tm_min);
rs5c313_write_reg(RS5C313_ADDR_MIN, data );
rs5c313_write_reg(RS5C313_ADDR_MIN10, (data >> 4));
- data = BIN2BCD(tm->tm_hour);
+ data = bin2bcd(tm->tm_hour);
rs5c313_write_reg(RS5C313_ADDR_HOUR, data);
rs5c313_write_reg(RS5C313_ADDR_HOUR10, (data >> 4));
- data = BIN2BCD(tm->tm_mday);
+ data = bin2bcd(tm->tm_mday);
rs5c313_write_reg(RS5C313_ADDR_DAY, data);
rs5c313_write_reg(RS5C313_ADDR_DAY10, (data>> 4));
- data = BIN2BCD(tm->tm_mon + 1);
+ data = bin2bcd(tm->tm_mon + 1);
rs5c313_write_reg(RS5C313_ADDR_MON, data);
rs5c313_write_reg(RS5C313_ADDR_MON10, (data >> 4));
- data = BIN2BCD(tm->tm_year % 100);
+ data = bin2bcd(tm->tm_year % 100);
rs5c313_write_reg(RS5C313_ADDR_YEAR, data);
rs5c313_write_reg(RS5C313_ADDR_YEAR10, (data >> 4));
- data = BIN2BCD(tm->tm_wday);
+ data = bin2bcd(tm->tm_wday);
rs5c313_write_reg(RS5C313_ADDR_WEEK, data);
RS5C313_CEDISABLE; /* CE:H */
diff --git a/drivers/rtc/rtc-rs5c348.c b/drivers/rtc/rtc-rs5c348.c
index 839462659af..dd1e2bc7a47 100644
--- a/drivers/rtc/rtc-rs5c348.c
+++ b/drivers/rtc/rtc-rs5c348.c
@@ -74,20 +74,20 @@ rs5c348_rtc_set_time(struct device *dev, struct rtc_time *tm)
txbuf[3] = 0; /* dummy */
txbuf[4] = RS5C348_CMD_MW(RS5C348_REG_SECS); /* cmd, sec, ... */
txp = &txbuf[5];
- txp[RS5C348_REG_SECS] = BIN2BCD(tm->tm_sec);
- txp[RS5C348_REG_MINS] = BIN2BCD(tm->tm_min);
+ txp[RS5C348_REG_SECS] = bin2bcd(tm->tm_sec);
+ txp[RS5C348_REG_MINS] = bin2bcd(tm->tm_min);
if (pdata->rtc_24h) {
- txp[RS5C348_REG_HOURS] = BIN2BCD(tm->tm_hour);
+ txp[RS5C348_REG_HOURS] = bin2bcd(tm->tm_hour);
} else {
/* hour 0 is AM12, noon is PM12 */
- txp[RS5C348_REG_HOURS] = BIN2BCD((tm->tm_hour + 11) % 12 + 1) |
+ txp[RS5C348_REG_HOURS] = bin2bcd((tm->tm_hour + 11) % 12 + 1) |
(tm->tm_hour >= 12 ? RS5C348_BIT_PM : 0);
}
- txp[RS5C348_REG_WDAY] = BIN2BCD(tm->tm_wday);
- txp[RS5C348_REG_DAY] = BIN2BCD(tm->tm_mday);
- txp[RS5C348_REG_MONTH] = BIN2BCD(tm->tm_mon + 1) |
+ txp[RS5C348_REG_WDAY] = bin2bcd(tm->tm_wday);
+ txp[RS5C348_REG_DAY] = bin2bcd(tm->tm_mday);
+ txp[RS5C348_REG_MONTH] = bin2bcd(tm->tm_mon + 1) |
(tm->tm_year >= 100 ? RS5C348_BIT_Y2K : 0);
- txp[RS5C348_REG_YEAR] = BIN2BCD(tm->tm_year % 100);
+ txp[RS5C348_REG_YEAR] = bin2bcd(tm->tm_year % 100);
/* write in one transfer to avoid data inconsistency */
ret = spi_write_then_read(spi, txbuf, sizeof(txbuf), NULL, 0);
udelay(62); /* Tcsr 62us */
@@ -116,20 +116,20 @@ rs5c348_rtc_read_time(struct device *dev, struct rtc_time *tm)
if (ret < 0)
return ret;
- tm->tm_sec = BCD2BIN(rxbuf[RS5C348_REG_SECS] & RS5C348_SECS_MASK);
- tm->tm_min = BCD2BIN(rxbuf[RS5C348_REG_MINS] & RS5C348_MINS_MASK);
- tm->tm_hour = BCD2BIN(rxbuf[RS5C348_REG_HOURS] & RS5C348_HOURS_MASK);
+ tm->tm_sec = bcd2bin(rxbuf[RS5C348_REG_SECS] & RS5C348_SECS_MASK);
+ tm->tm_min = bcd2bin(rxbuf[RS5C348_REG_MINS] & RS5C348_MINS_MASK);
+ tm->tm_hour = bcd2bin(rxbuf[RS5C348_REG_HOURS] & RS5C348_HOURS_MASK);
if (!pdata->rtc_24h) {
tm->tm_hour %= 12;
if (rxbuf[RS5C348_REG_HOURS] & RS5C348_BIT_PM)
tm->tm_hour += 12;
}
- tm->tm_wday = BCD2BIN(rxbuf[RS5C348_REG_WDAY] & RS5C348_WDAY_MASK);
- tm->tm_mday = BCD2BIN(rxbuf[RS5C348_REG_DAY] & RS5C348_DAY_MASK);
+ tm->tm_wday = bcd2bin(rxbuf[RS5C348_REG_WDAY] & RS5C348_WDAY_MASK);
+ tm->tm_mday = bcd2bin(rxbuf[RS5C348_REG_DAY] & RS5C348_DAY_MASK);
tm->tm_mon =
- BCD2BIN(rxbuf[RS5C348_REG_MONTH] & RS5C348_MONTH_MASK) - 1;
+ bcd2bin(rxbuf[RS5C348_REG_MONTH] & RS5C348_MONTH_MASK) - 1;
/* year is 1900 + tm->tm_year */
- tm->tm_year = BCD2BIN(rxbuf[RS5C348_REG_YEAR]) +
+ tm->tm_year = bcd2bin(rxbuf[RS5C348_REG_YEAR]) +
((rxbuf[RS5C348_REG_MONTH] & RS5C348_BIT_Y2K) ? 100 : 0);
if (rtc_valid_tm(tm) < 0) {
diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c
index 8b561958fb1..2f2c68d476d 100644
--- a/drivers/rtc/rtc-rs5c372.c
+++ b/drivers/rtc/rtc-rs5c372.c
@@ -148,9 +148,9 @@ static unsigned rs5c_reg2hr(struct rs5c372 *rs5c, unsigned reg)
unsigned hour;
if (rs5c->time24)
- return BCD2BIN(reg & 0x3f);
+ return bcd2bin(reg & 0x3f);
- hour = BCD2BIN(reg & 0x1f);
+ hour = bcd2bin(reg & 0x1f);
if (hour == 12)
hour = 0;
if (reg & 0x20)
@@ -161,15 +161,15 @@ static unsigned rs5c_reg2hr(struct rs5c372 *rs5c, unsigned reg)
static unsigned rs5c_hr2reg(struct rs5c372 *rs5c, unsigned hour)
{
if (rs5c->time24)
- return BIN2BCD(hour);
+ return bin2bcd(hour);
if (hour > 12)
- return 0x20 | BIN2BCD(hour - 12);
+ return 0x20 | bin2bcd(hour - 12);
if (hour == 12)
- return 0x20 | BIN2BCD(12);
+ return 0x20 | bin2bcd(12);
if (hour == 0)
- return BIN2BCD(12);
- return BIN2BCD(hour);
+ return bin2bcd(12);
+ return bin2bcd(hour);
}
static int rs5c372_get_datetime(struct i2c_client *client, struct rtc_time *tm)
@@ -180,18 +180,18 @@ static int rs5c372_get_datetime(struct i2c_client *client, struct rtc_time *tm)
if (status < 0)
return status;
- tm->tm_sec = BCD2BIN(rs5c->regs[RS5C372_REG_SECS] & 0x7f);
- tm->tm_min = BCD2BIN(rs5c->regs[RS5C372_REG_MINS] & 0x7f);
+ tm->tm_sec = bcd2bin(rs5c->regs[RS5C372_REG_SECS] & 0x7f);
+ tm->tm_min = bcd2bin(rs5c->regs[RS5C372_REG_MINS] & 0x7f);
tm->tm_hour = rs5c_reg2hr(rs5c, rs5c->regs[RS5C372_REG_HOURS]);
- tm->tm_wday = BCD2BIN(rs5c->regs[RS5C372_REG_WDAY] & 0x07);
- tm->tm_mday = BCD2BIN(rs5c->regs[RS5C372_REG_DAY] & 0x3f);
+ tm->tm_wday = bcd2bin(rs5c->regs[RS5C372_REG_WDAY] & 0x07);
+ tm->tm_mday = bcd2bin(rs5c->regs[RS5C372_REG_DAY] & 0x3f);
/* tm->tm_mon is zero-based */
- tm->tm_mon = BCD2BIN(rs5c->regs[RS5C372_REG_MONTH] & 0x1f) - 1;
+ tm->tm_mon = bcd2bin(rs5c->regs[RS5C372_REG_MONTH] & 0x1f) - 1;
/* year is 1900 + tm->tm_year */
- tm->tm_year = BCD2BIN(rs5c->regs[RS5C372_REG_YEAR]) + 100;
+ tm->tm_year = bcd2bin(rs5c->regs[RS5C372_REG_YEAR]) + 100;
dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, "
"mday=%d, mon=%d, year=%d, wday=%d\n",
@@ -216,13 +216,13 @@ static int rs5c372_set_datetime(struct i2c_client *client, struct rtc_time *tm)
tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
addr = RS5C_ADDR(RS5C372_REG_SECS);
- buf[0] = BIN2BCD(tm->tm_sec);
- buf[1] = BIN2BCD(tm->tm_min);
+ buf[0] = bin2bcd(tm->tm_sec);
+ buf[1] = bin2bcd(tm->tm_min);
buf[2] = rs5c_hr2reg(rs5c, tm->tm_hour);
- buf[3] = BIN2BCD(tm->tm_wday);
- buf[4] = BIN2BCD(tm->tm_mday);
- buf[5] = BIN2BCD(tm->tm_mon + 1);
- buf[6] = BIN2BCD(tm->tm_year - 100);
+ buf[3] = bin2bcd(tm->tm_wday);
+ buf[4] = bin2bcd(tm->tm_mday);
+ buf[5] = bin2bcd(tm->tm_mon + 1);
+ buf[6] = bin2bcd(tm->tm_year - 100);
if (i2c_smbus_write_i2c_block_data(client, addr, sizeof(buf), buf) < 0) {
dev_err(&client->dev, "%s: write error\n", __func__);
@@ -367,7 +367,7 @@ static int rs5c_read_alarm(struct device *dev, struct rtc_wkalrm *t)
/* report alarm time */
t->time.tm_sec = 0;
- t->time.tm_min = BCD2BIN(rs5c->regs[RS5C_REG_ALARM_A_MIN] & 0x7f);
+ t->time.tm_min = bcd2bin(rs5c->regs[RS5C_REG_ALARM_A_MIN] & 0x7f);
t->time.tm_hour = rs5c_reg2hr(rs5c, rs5c->regs[RS5C_REG_ALARM_A_HOURS]);
t->time.tm_mday = -1;
t->time.tm_mon = -1;
@@ -413,7 +413,7 @@ static int rs5c_set_alarm(struct device *dev, struct rtc_wkalrm *t)
}
/* set alarm */
- buf[0] = BIN2BCD(t->time.tm_min);
+ buf[0] = bin2bcd(t->time.tm_min);
buf[1] = rs5c_hr2reg(rs5c, t->time.tm_hour);
buf[2] = 0x7f; /* any/all days */
diff --git a/drivers/rtc/rtc-s35390a.c b/drivers/rtc/rtc-s35390a.c
index a6fa1f2f2ca..def4d396d0b 100644
--- a/drivers/rtc/rtc-s35390a.c
+++ b/drivers/rtc/rtc-s35390a.c
@@ -104,12 +104,12 @@ static int s35390a_disable_test_mode(struct s35390a *s35390a)
static char s35390a_hr2reg(struct s35390a *s35390a, int hour)
{
if (s35390a->twentyfourhour)
- return BIN2BCD(hour);
+ return bin2bcd(hour);
if (hour < 12)
- return BIN2BCD(hour);
+ return bin2bcd(hour);
- return 0x40 | BIN2BCD(hour - 12);
+ return 0x40 | bin2bcd(hour - 12);
}
static int s35390a_reg2hr(struct s35390a *s35390a, char reg)
@@ -117,9 +117,9 @@ static int s35390a_reg2hr(struct s35390a *s35390a, char reg)
unsigned hour;
if (s35390a->twentyfourhour)
- return BCD2BIN(reg & 0x3f);
+ return bcd2bin(reg & 0x3f);
- hour = BCD2BIN(reg & 0x3f);
+ hour = bcd2bin(reg & 0x3f);
if (reg & 0x40)
hour += 12;
@@ -137,13 +137,13 @@ static int s35390a_set_datetime(struct i2c_client *client, struct rtc_time *tm)
tm->tm_min, tm->tm_hour, tm->tm_mday, tm->tm_mon, tm->tm_year,
tm->tm_wday);
- buf[S35390A_BYTE_YEAR] = BIN2BCD(tm->tm_year - 100);
- buf[S35390A_BYTE_MONTH] = BIN2BCD(tm->tm_mon + 1);
- buf[S35390A_BYTE_DAY] = BIN2BCD(tm->tm_mday);
- buf[S35390A_BYTE_WDAY] = BIN2BCD(tm->tm_wday);
+ buf[S35390A_BYTE_YEAR] = bin2bcd(tm->tm_year - 100);
+ buf[S35390A_BYTE_MONTH] = bin2bcd(tm->tm_mon + 1);
+ buf[S35390A_BYTE_DAY] = bin2bcd(tm->tm_mday);
+ buf[S35390A_BYTE_WDAY] = bin2bcd(tm->tm_wday);
buf[S35390A_BYTE_HOURS] = s35390a_hr2reg(s35390a, tm->tm_hour);
- buf[S35390A_BYTE_MINS] = BIN2BCD(tm->tm_min);
- buf[S35390A_BYTE_SECS] = BIN2BCD(tm->tm_sec);
+ buf[S35390A_BYTE_MINS] = bin2bcd(tm->tm_min);
+ buf[S35390A_BYTE_SECS] = bin2bcd(tm->tm_sec);
/* This chip expects the bits of each byte to be in reverse order */
for (i = 0; i < 7; ++i)
@@ -168,13 +168,13 @@ static int s35390a_get_datetime(struct i2c_client *client, struct rtc_time *tm)
for (i = 0; i < 7; ++i)
buf[i] = bitrev8(buf[i]);
- tm->tm_sec = BCD2BIN(buf[S35390A_BYTE_SECS]);
- tm->tm_min = BCD2BIN(buf[S35390A_BYTE_MINS]);
+ tm->tm_sec = bcd2bin(buf[S35390A_BYTE_SECS]);
+ tm->tm_min = bcd2bin(buf[S35390A_BYTE_MINS]);
tm->tm_hour = s35390a_reg2hr(s35390a, buf[S35390A_BYTE_HOURS]);
- tm->tm_wday = BCD2BIN(buf[S35390A_BYTE_WDAY]);
- tm->tm_mday = BCD2BIN(buf[S35390A_BYTE_DAY]);
- tm->tm_mon = BCD2BIN(buf[S35390A_BYTE_MONTH]) - 1;
- tm->tm_year = BCD2BIN(buf[S35390A_BYTE_YEAR]) + 100;
+ tm->tm_wday = bcd2bin(buf[S35390A_BYTE_WDAY]);
+ tm->tm_mday = bcd2bin(buf[S35390A_BYTE_DAY]);
+ tm->tm_mon = bcd2bin(buf[S35390A_BYTE_MONTH]) - 1;
+ tm->tm_year = bcd2bin(buf[S35390A_BYTE_YEAR]) + 100;
dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, mday=%d, "
"mon=%d, year=%d, wday=%d\n", __func__, tm->tm_sec,
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index e7d19b6c265..910bc704939 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -134,12 +134,12 @@ static int s3c_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
rtc_tm->tm_year, rtc_tm->tm_mon, rtc_tm->tm_mday,
rtc_tm->tm_hour, rtc_tm->tm_min, rtc_tm->tm_sec);
- BCD_TO_BIN(rtc_tm->tm_sec);
- BCD_TO_BIN(rtc_tm->tm_min);
- BCD_TO_BIN(rtc_tm->tm_hour);
- BCD_TO_BIN(rtc_tm->tm_mday);
- BCD_TO_BIN(rtc_tm->tm_mon);
- BCD_TO_BIN(rtc_tm->tm_year);
+ rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
+ rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min);
+ rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour);
+ rtc_tm->tm_mday = bcd2bin(rtc_tm->tm_mday);
+ rtc_tm->tm_mon = bcd2bin(rtc_tm->tm_mon);
+ rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year);
rtc_tm->tm_year += 100;
rtc_tm->tm_mon -= 1;
@@ -163,12 +163,12 @@ static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
return -EINVAL;
}
- writeb(BIN2BCD(tm->tm_sec), base + S3C2410_RTCSEC);
- writeb(BIN2BCD(tm->tm_min), base + S3C2410_RTCMIN);
- writeb(BIN2BCD(tm->tm_hour), base + S3C2410_RTCHOUR);
- writeb(BIN2BCD(tm->tm_mday), base + S3C2410_RTCDATE);
- writeb(BIN2BCD(tm->tm_mon + 1), base + S3C2410_RTCMON);
- writeb(BIN2BCD(year), base + S3C2410_RTCYEAR);
+ writeb(bin2bcd(tm->tm_sec), base + S3C2410_RTCSEC);
+ writeb(bin2bcd(tm->tm_min), base + S3C2410_RTCMIN);
+ writeb(bin2bcd(tm->tm_hour), base + S3C2410_RTCHOUR);
+ writeb(bin2bcd(tm->tm_mday), base + S3C2410_RTCDATE);
+ writeb(bin2bcd(tm->tm_mon + 1), base + S3C2410_RTCMON);
+ writeb(bin2bcd(year), base + S3C2410_RTCYEAR);
return 0;
}
@@ -199,34 +199,34 @@ static int s3c_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm)
/* decode the alarm enable field */
if (alm_en & S3C2410_RTCALM_SECEN)
- BCD_TO_BIN(alm_tm->tm_sec);
+ alm_tm->tm_sec = bcd2bin(alm_tm->tm_sec);
else
alm_tm->tm_sec = 0xff;
if (alm_en & S3C2410_RTCALM_MINEN)
- BCD_TO_BIN(alm_tm->tm_min);
+ alm_tm->tm_min = bcd2bin(alm_tm->tm_min);
else
alm_tm->tm_min = 0xff;
if (alm_en & S3C2410_RTCALM_HOUREN)
- BCD_TO_BIN(alm_tm->tm_hour);
+ alm_tm->tm_hour = bcd2bin(alm_tm->tm_hour);
else
alm_tm->tm_hour = 0xff;
if (alm_en & S3C2410_RTCALM_DAYEN)
- BCD_TO_BIN(alm_tm->tm_mday);
+ alm_tm->tm_mday = bcd2bin(alm_tm->tm_mday);
else
alm_tm->tm_mday = 0xff;
if (alm_en & S3C2410_RTCALM_MONEN) {
- BCD_TO_BIN(alm_tm->tm_mon);
+ alm_tm->tm_mon = bcd2bin(alm_tm->tm_mon);
alm_tm->tm_mon -= 1;
} else {
alm_tm->tm_mon = 0xff;
}
if (alm_en & S3C2410_RTCALM_YEAREN)
- BCD_TO_BIN(alm_tm->tm_year);
+ alm_tm->tm_year = bcd2bin(alm_tm->tm_year);
else
alm_tm->tm_year = 0xffff;
@@ -250,17 +250,17 @@ static int s3c_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
if (tm->tm_sec < 60 && tm->tm_sec >= 0) {
alrm_en |= S3C2410_RTCALM_SECEN;
- writeb(BIN2BCD(tm->tm_sec), base + S3C2410_ALMSEC);
+ writeb(bin2bcd(tm->tm_sec), base + S3C2410_ALMSEC);
}
if (tm->tm_min < 60 && tm->tm_min >= 0) {
alrm_en |= S3C2410_RTCALM_MINEN;
- writeb(BIN2BCD(tm->tm_min), base + S3C2410_ALMMIN);
+ writeb(bin2bcd(tm->tm_min), base + S3C2410_ALMMIN);
}
if (tm->tm_hour < 24 && tm->tm_hour >= 0) {
alrm_en |= S3C2410_RTCALM_HOUREN;
- writeb(BIN2BCD(tm->tm_hour), base + S3C2410_ALMHOUR);
+ writeb(bin2bcd(tm->tm_hour), base + S3C2410_ALMHOUR);
}
pr_debug("setting S3C2410_RTCALM to %08x\n", alrm_en);
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index fcead4c4cd1..aaf9d6a337c 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -324,23 +324,23 @@ static int sh_rtc_read_time(struct device *dev, struct rtc_time *tm)
sec128 = readb(rtc->regbase + R64CNT);
- tm->tm_sec = BCD2BIN(readb(rtc->regbase + RSECCNT));
- tm->tm_min = BCD2BIN(readb(rtc->regbase + RMINCNT));
- tm->tm_hour = BCD2BIN(readb(rtc->regbase + RHRCNT));
- tm->tm_wday = BCD2BIN(readb(rtc->regbase + RWKCNT));
- tm->tm_mday = BCD2BIN(readb(rtc->regbase + RDAYCNT));
- tm->tm_mon = BCD2BIN(readb(rtc->regbase + RMONCNT)) - 1;
+ tm->tm_sec = bcd2bin(readb(rtc->regbase + RSECCNT));
+ tm->tm_min = bcd2bin(readb(rtc->regbase + RMINCNT));
+ tm->tm_hour = bcd2bin(readb(rtc->regbase + RHRCNT));
+ tm->tm_wday = bcd2bin(readb(rtc->regbase + RWKCNT));
+ tm->tm_mday = bcd2bin(readb(rtc->regbase + RDAYCNT));
+ tm->tm_mon = bcd2bin(readb(rtc->regbase + RMONCNT)) - 1;
if (rtc->capabilities & RTC_CAP_4_DIGIT_YEAR) {
yr = readw(rtc->regbase + RYRCNT);
- yr100 = BCD2BIN(yr >> 8);
+ yr100 = bcd2bin(yr >> 8);
yr &= 0xff;
} else {
yr = readb(rtc->regbase + RYRCNT);
- yr100 = BCD2BIN((yr == 0x99) ? 0x19 : 0x20);
+ yr100 = bcd2bin((yr == 0x99) ? 0x19 : 0x20);
}
- tm->tm_year = (yr100 * 100 + BCD2BIN(yr)) - 1900;
+ tm->tm_year = (yr100 * 100 + bcd2bin(yr)) - 1900;
sec2 = readb(rtc->regbase + R64CNT);
cf_bit = readb(rtc->regbase + RCR1) & RCR1_CF;
@@ -382,20 +382,20 @@ static int sh_rtc_set_time(struct device *dev, struct rtc_time *tm)
tmp &= ~RCR2_START;
writeb(tmp, rtc->regbase + RCR2);
- writeb(BIN2BCD(tm->tm_sec), rtc->regbase + RSECCNT);
- writeb(BIN2BCD(tm->tm_min), rtc->regbase + RMINCNT);
- writeb(BIN2BCD(tm->tm_hour), rtc->regbase + RHRCNT);
- writeb(BIN2BCD(tm->tm_wday), rtc->regbase + RWKCNT);
- writeb(BIN2BCD(tm->tm_mday), rtc->regbase + RDAYCNT);
- writeb(BIN2BCD(tm->tm_mon + 1), rtc->regbase + RMONCNT);
+ writeb(bin2bcd(tm->tm_sec), rtc->regbase + RSECCNT);
+ writeb(bin2bcd(tm->tm_min), rtc->regbase + RMINCNT);
+ writeb(bin2bcd(tm->tm_hour), rtc->regbase + RHRCNT);
+ writeb(bin2bcd(tm->tm_wday), rtc->regbase + RWKCNT);
+ writeb(bin2bcd(tm->tm_mday), rtc->regbase + RDAYCNT);
+ writeb(bin2bcd(tm->tm_mon + 1), rtc->regbase + RMONCNT);
if (rtc->capabilities & RTC_CAP_4_DIGIT_YEAR) {
- year = (BIN2BCD((tm->tm_year + 1900) / 100) << 8) |
- BIN2BCD(tm->tm_year % 100);
+ year = (bin2bcd((tm->tm_year + 1900) / 100) << 8) |
+ bin2bcd(tm->tm_year % 100);
writew(year, rtc->regbase + RYRCNT);
} else {
year = tm->tm_year % 100;
- writeb(BIN2BCD(year), rtc->regbase + RYRCNT);
+ writeb(bin2bcd(year), rtc->regbase + RYRCNT);
}
/* Start RTC */
@@ -417,7 +417,7 @@ static inline int sh_rtc_read_alarm_value(struct sh_rtc *rtc, int reg_off)
byte = readb(rtc->regbase + reg_off);
if (byte & AR_ENB) {
byte &= ~AR_ENB; /* strip the enable bit */
- value = BCD2BIN(byte);
+ value = bcd2bin(byte);
}
return value;
@@ -455,7 +455,7 @@ static inline void sh_rtc_write_alarm_value(struct sh_rtc *rtc,
if (value < 0)
writeb(0, rtc->regbase + reg_off);
else
- writeb(BIN2BCD(value) | AR_ENB, rtc->regbase + reg_off);
+ writeb(bin2bcd(value) | AR_ENB, rtc->regbase + reg_off);
}
static int sh_rtc_check_alarm(struct rtc_time *tm)
@@ -568,7 +568,7 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev)
struct sh_rtc *rtc;
struct resource *res;
unsigned int tmp;
- int ret = -ENOENT;
+ int ret;
rtc = kzalloc(sizeof(struct sh_rtc), GFP_KERNEL);
if (unlikely(!rtc))
@@ -577,26 +577,33 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev)
spin_lock_init(&rtc->lock);
/* get periodic/carry/alarm irqs */
- rtc->periodic_irq = platform_get_irq(pdev, 0);
- if (unlikely(rtc->periodic_irq < 0)) {
+ ret = platform_get_irq(pdev, 0);
+ if (unlikely(ret < 0)) {
+ ret = -ENOENT;
dev_err(&pdev->dev, "No IRQ for period\n");
goto err_badres;
}
+ rtc->periodic_irq = ret;
- rtc->carry_irq = platform_get_irq(pdev, 1);
- if (unlikely(rtc->carry_irq < 0)) {
+ ret = platform_get_irq(pdev, 1);
+ if (unlikely(ret < 0)) {
+ ret = -ENOENT;
dev_err(&pdev->dev, "No IRQ for carry\n");
goto err_badres;
}
+ rtc->carry_irq = ret;
- rtc->alarm_irq = platform_get_irq(pdev, 2);
- if (unlikely(rtc->alarm_irq < 0)) {
+ ret = platform_get_irq(pdev, 2);
+ if (unlikely(ret < 0)) {
+ ret = -ENOENT;
dev_err(&pdev->dev, "No IRQ for alarm\n");
goto err_badres;
}
+ rtc->alarm_irq = ret;
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (unlikely(res == NULL)) {
+ ret = -ENOENT;
dev_err(&pdev->dev, "No IO resource\n");
goto err_badres;
}
diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c
index 9a7e920315f..f4cd46e15af 100644
--- a/drivers/rtc/rtc-stk17ta8.c
+++ b/drivers/rtc/rtc-stk17ta8.c
@@ -82,14 +82,14 @@ static int stk17ta8_rtc_set_time(struct device *dev, struct rtc_time *tm)
flags = readb(pdata->ioaddr + RTC_FLAGS);
writeb(flags | RTC_WRITE, pdata->ioaddr + RTC_FLAGS);
- writeb(BIN2BCD(tm->tm_year % 100), ioaddr + RTC_YEAR);
- writeb(BIN2BCD(tm->tm_mon + 1), ioaddr + RTC_MONTH);
- writeb(BIN2BCD(tm->tm_wday) & RTC_DAY_MASK, ioaddr + RTC_DAY);
- writeb(BIN2BCD(tm->tm_mday), ioaddr + RTC_DATE);
- writeb(BIN2BCD(tm->tm_hour), ioaddr + RTC_HOURS);
- writeb(BIN2BCD(tm->tm_min), ioaddr + RTC_MINUTES);
- writeb(BIN2BCD(tm->tm_sec) & RTC_SECONDS_MASK, ioaddr + RTC_SECONDS);
- writeb(BIN2BCD((tm->tm_year + 1900) / 100), ioaddr + RTC_CENTURY);
+ writeb(bin2bcd(tm->tm_year % 100), ioaddr + RTC_YEAR);
+ writeb(bin2bcd(tm->tm_mon + 1), ioaddr + RTC_MONTH);
+ writeb(bin2bcd(tm->tm_wday) & RTC_DAY_MASK, ioaddr + RTC_DAY);
+ writeb(bin2bcd(tm->tm_mday), ioaddr + RTC_DATE);
+ writeb(bin2bcd(tm->tm_hour), ioaddr + RTC_HOURS);
+ writeb(bin2bcd(tm->tm_min), ioaddr + RTC_MINUTES);
+ writeb(bin2bcd(tm->tm_sec) & RTC_SECONDS_MASK, ioaddr + RTC_SECONDS);
+ writeb(bin2bcd((tm->tm_year + 1900) / 100), ioaddr + RTC_CENTURY);
writeb(flags & ~RTC_WRITE, pdata->ioaddr + RTC_FLAGS);
return 0;
@@ -120,14 +120,14 @@ static int stk17ta8_rtc_read_time(struct device *dev, struct rtc_time *tm)
year = readb(ioaddr + RTC_YEAR);
century = readb(ioaddr + RTC_CENTURY);
writeb(flags & ~RTC_READ, ioaddr + RTC_FLAGS);
- tm->tm_sec = BCD2BIN(second);
- tm->tm_min = BCD2BIN(minute);
- tm->tm_hour = BCD2BIN(hour);
- tm->tm_mday = BCD2BIN(day);
- tm->tm_wday = BCD2BIN(week);
- tm->tm_mon = BCD2BIN(month) - 1;
+ tm->tm_sec = bcd2bin(second);
+ tm->tm_min = bcd2bin(minute);
+ tm->tm_hour = bcd2bin(hour);
+ tm->tm_mday = bcd2bin(day);
+ tm->tm_wday = bcd2bin(week);
+ tm->tm_mon = bcd2bin(month) - 1;
/* year is 1900 + tm->tm_year */
- tm->tm_year = BCD2BIN(year) + BCD2BIN(century) * 100 - 1900;
+ tm->tm_year = bcd2bin(year) + bcd2bin(century) * 100 - 1900;
if (rtc_valid_tm(tm) < 0) {
dev_err(dev, "retrieved date/time is not valid.\n");
@@ -148,16 +148,16 @@ static void stk17ta8_rtc_update_alarm(struct rtc_plat_data *pdata)
writeb(flags | RTC_WRITE, ioaddr + RTC_FLAGS);
writeb(pdata->alrm_mday < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : BIN2BCD(pdata->alrm_mday),
+ 0x80 : bin2bcd(pdata->alrm_mday),
ioaddr + RTC_DATE_ALARM);
writeb(pdata->alrm_hour < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : BIN2BCD(pdata->alrm_hour),
+ 0x80 : bin2bcd(pdata->alrm_hour),
ioaddr + RTC_HOURS_ALARM);
writeb(pdata->alrm_min < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : BIN2BCD(pdata->alrm_min),
+ 0x80 : bin2bcd(pdata->alrm_min),
ioaddr + RTC_MINUTES_ALARM);
writeb(pdata->alrm_sec < 0 || (pdata->irqen & RTC_UF) ?
- 0x80 : BIN2BCD(pdata->alrm_sec),
+ 0x80 : bin2bcd(pdata->alrm_sec),
ioaddr + RTC_SECONDS_ALARM);
writeb(pdata->irqen ? RTC_INTS_AIE : 0, ioaddr + RTC_INTERRUPTS);
readb(ioaddr + RTC_FLAGS); /* clear interrupts */
@@ -280,7 +280,6 @@ static struct bin_attribute stk17ta8_nvram_attr = {
.attr = {
.name = "nvram",
.mode = S_IRUGO | S_IWUSR,
- .owner = THIS_MODULE,
},
.size = RTC_OFFSET,
.read = stk17ta8_nvram_read,
diff --git a/drivers/rtc/rtc-v3020.c b/drivers/rtc/rtc-v3020.c
index 10025d84026..14d4f036a76 100644
--- a/drivers/rtc/rtc-v3020.c
+++ b/drivers/rtc/rtc-v3020.c
@@ -92,19 +92,19 @@ static int v3020_read_time(struct device *dev, struct rtc_time *dt)
/* ...and then read constant values. */
tmp = v3020_get_reg(chip, V3020_SECONDS);
- dt->tm_sec = BCD2BIN(tmp);
+ dt->tm_sec = bcd2bin(tmp);
tmp = v3020_get_reg(chip, V3020_MINUTES);
- dt->tm_min = BCD2BIN(tmp);
+ dt->tm_min = bcd2bin(tmp);
tmp = v3020_get_reg(chip, V3020_HOURS);
- dt->tm_hour = BCD2BIN(tmp);
+ dt->tm_hour = bcd2bin(tmp);
tmp = v3020_get_reg(chip, V3020_MONTH_DAY);
- dt->tm_mday = BCD2BIN(tmp);
+ dt->tm_mday = bcd2bin(tmp);
tmp = v3020_get_reg(chip, V3020_MONTH);
- dt->tm_mon = BCD2BIN(tmp) - 1;
+ dt->tm_mon = bcd2bin(tmp) - 1;
tmp = v3020_get_reg(chip, V3020_WEEK_DAY);
- dt->tm_wday = BCD2BIN(tmp);
+ dt->tm_wday = bcd2bin(tmp);
tmp = v3020_get_reg(chip, V3020_YEAR);
- dt->tm_year = BCD2BIN(tmp)+100;
+ dt->tm_year = bcd2bin(tmp)+100;
#ifdef DEBUG
printk("\n%s : Read RTC values\n",__func__);
@@ -136,13 +136,13 @@ static int v3020_set_time(struct device *dev, struct rtc_time *dt)
#endif
/* Write all the values to ram... */
- v3020_set_reg(chip, V3020_SECONDS, BIN2BCD(dt->tm_sec));
- v3020_set_reg(chip, V3020_MINUTES, BIN2BCD(dt->tm_min));
- v3020_set_reg(chip, V3020_HOURS, BIN2BCD(dt->tm_hour));
- v3020_set_reg(chip, V3020_MONTH_DAY, BIN2BCD(dt->tm_mday));
- v3020_set_reg(chip, V3020_MONTH, BIN2BCD(dt->tm_mon + 1));
- v3020_set_reg(chip, V3020_WEEK_DAY, BIN2BCD(dt->tm_wday));
- v3020_set_reg(chip, V3020_YEAR, BIN2BCD(dt->tm_year % 100));
+ v3020_set_reg(chip, V3020_SECONDS, bin2bcd(dt->tm_sec));
+ v3020_set_reg(chip, V3020_MINUTES, bin2bcd(dt->tm_min));
+ v3020_set_reg(chip, V3020_HOURS, bin2bcd(dt->tm_hour));
+ v3020_set_reg(chip, V3020_MONTH_DAY, bin2bcd(dt->tm_mday));
+ v3020_set_reg(chip, V3020_MONTH, bin2bcd(dt->tm_mon + 1));
+ v3020_set_reg(chip, V3020_WEEK_DAY, bin2bcd(dt->tm_wday));
+ v3020_set_reg(chip, V3020_YEAR, bin2bcd(dt->tm_year % 100));
/* ...and set the clock. */
v3020_set_reg(chip, V3020_CMD_RAM2CLOCK, 0);
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index 884b635f028..834dcc6d785 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -360,7 +360,7 @@ static int __devinit rtc_probe(struct platform_device *pdev)
spin_unlock_irq(&rtc_lock);
aie_irq = platform_get_irq(pdev, 0);
- if (aie_irq < 0 || aie_irq >= NR_IRQS) {
+ if (aie_irq < 0 || aie_irq >= nr_irqs) {
retval = -EBUSY;
goto err_device_unregister;
}
@@ -371,7 +371,7 @@ static int __devinit rtc_probe(struct platform_device *pdev)
goto err_device_unregister;
pie_irq = platform_get_irq(pdev, 1);
- if (pie_irq < 0 || pie_irq >= NR_IRQS)
+ if (pie_irq < 0 || pie_irq >= nr_irqs)
goto err_free_irq;
retval = request_irq(pie_irq, rtclong1_interrupt, IRQF_DISABLED,
diff --git a/drivers/rtc/rtc-x1205.c b/drivers/rtc/rtc-x1205.c
index 7dcfba1bbfe..310c10795e9 100644
--- a/drivers/rtc/rtc-x1205.c
+++ b/drivers/rtc/rtc-x1205.c
@@ -118,13 +118,13 @@ static int x1205_get_datetime(struct i2c_client *client, struct rtc_time *tm,
for (i = 0; i <= 4; i++)
buf[i] &= 0x7F;
- tm->tm_sec = BCD2BIN(buf[CCR_SEC]);
- tm->tm_min = BCD2BIN(buf[CCR_MIN]);
- tm->tm_hour = BCD2BIN(buf[CCR_HOUR] & 0x3F); /* hr is 0-23 */
- tm->tm_mday = BCD2BIN(buf[CCR_MDAY]);
- tm->tm_mon = BCD2BIN(buf[CCR_MONTH]) - 1; /* mon is 0-11 */
- tm->tm_year = BCD2BIN(buf[CCR_YEAR])
- + (BCD2BIN(buf[CCR_Y2K]) * 100) - 1900;
+ tm->tm_sec = bcd2bin(buf[CCR_SEC]);
+ tm->tm_min = bcd2bin(buf[CCR_MIN]);
+ tm->tm_hour = bcd2bin(buf[CCR_HOUR] & 0x3F); /* hr is 0-23 */
+ tm->tm_mday = bcd2bin(buf[CCR_MDAY]);
+ tm->tm_mon = bcd2bin(buf[CCR_MONTH]) - 1; /* mon is 0-11 */
+ tm->tm_year = bcd2bin(buf[CCR_YEAR])
+ + (bcd2bin(buf[CCR_Y2K]) * 100) - 1900;
tm->tm_wday = buf[CCR_WDAY];
dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, "
@@ -174,11 +174,11 @@ static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm,
__func__,
tm->tm_sec, tm->tm_min, tm->tm_hour);
- buf[CCR_SEC] = BIN2BCD(tm->tm_sec);
- buf[CCR_MIN] = BIN2BCD(tm->tm_min);
+ buf[CCR_SEC] = bin2bcd(tm->tm_sec);
+ buf[CCR_MIN] = bin2bcd(tm->tm_min);
/* set hour and 24hr bit */
- buf[CCR_HOUR] = BIN2BCD(tm->tm_hour) | X1205_HR_MIL;
+ buf[CCR_HOUR] = bin2bcd(tm->tm_hour) | X1205_HR_MIL;
/* should we also set the date? */
if (datetoo) {
@@ -187,15 +187,15 @@ static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm,
__func__,
tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
- buf[CCR_MDAY] = BIN2BCD(tm->tm_mday);
+ buf[CCR_MDAY] = bin2bcd(tm->tm_mday);
/* month, 1 - 12 */
- buf[CCR_MONTH] = BIN2BCD(tm->tm_mon + 1);
+ buf[CCR_MONTH] = bin2bcd(tm->tm_mon + 1);
/* year, since the rtc epoch*/
- buf[CCR_YEAR] = BIN2BCD(tm->tm_year % 100);
+ buf[CCR_YEAR] = bin2bcd(tm->tm_year % 100);
buf[CCR_WDAY] = tm->tm_wday & 0x07;
- buf[CCR_Y2K] = BIN2BCD(tm->tm_year / 100);
+ buf[CCR_Y2K] = bin2bcd(tm->tm_year / 100);
}
/* If writing alarm registers, set compare bits on registers 0-4 */
@@ -437,7 +437,7 @@ static int x1205_validate_client(struct i2c_client *client)
return -EIO;
}
- value = BCD2BIN(reg & probe_limits_pattern[i].mask);
+ value = bcd2bin(reg & probe_limits_pattern[i].mask);
if (value > probe_limits_pattern[i].max ||
value < probe_limits_pattern[i].min) {
diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index b5a868d85eb..1e5478abd90 100644
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -337,7 +337,7 @@ CMD_INC_RESID(struct scsi_cmnd *cmd, int inc)
#else
#define IRQ_MIN 9
#if defined(__PPC)
-#define IRQ_MAX (NR_IRQS-1)
+#define IRQ_MAX (nr_irqs-1)
#else
#define IRQ_MAX 12
#endif
diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c
index 69f8346aa28..5877f29a600 100644
--- a/drivers/scsi/arcmsr/arcmsr_attr.c
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c
@@ -189,7 +189,6 @@ static struct bin_attribute arcmsr_sysfs_message_read_attr = {
.attr = {
.name = "mu_read",
.mode = S_IRUSR ,
- .owner = THIS_MODULE,
},
.size = 1032,
.read = arcmsr_sysfs_iop_message_read,
@@ -199,7 +198,6 @@ static struct bin_attribute arcmsr_sysfs_message_write_attr = {
.attr = {
.name = "mu_write",
.mode = S_IWUSR,
- .owner = THIS_MODULE,
},
.size = 1032,
.write = arcmsr_sysfs_iop_message_write,
@@ -209,7 +207,6 @@ static struct bin_attribute arcmsr_sysfs_message_clear_attr = {
.attr = {
.name = "mu_clear",
.mode = S_IWUSR,
- .owner = THIS_MODULE,
},
.size = 1,
.write = arcmsr_sysfs_iop_message_clear,
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index 740bad43599..afc96e844a2 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -343,6 +343,11 @@ static ide_startstop_t idescsi_do_request (ide_drive_t *drive, struct request *r
}
#ifdef CONFIG_IDE_PROC_FS
+static ide_proc_entry_t idescsi_proc[] = {
+ { "capacity", S_IFREG|S_IRUGO, proc_ide_read_capacity, NULL },
+ { NULL, 0, NULL, NULL }
+};
+
#define ide_scsi_devset_get(name, field) \
static int get_##name(ide_drive_t *drive) \
{ \
@@ -378,6 +383,16 @@ static const struct ide_proc_devset idescsi_settings[] = {
IDE_PROC_DEVSET(transform, 0, 3),
{ 0 },
};
+
+static ide_proc_entry_t *ide_scsi_proc_entries(ide_drive_t *drive)
+{
+ return idescsi_proc;
+}
+
+static const struct ide_proc_devset *ide_scsi_proc_devsets(ide_drive_t *drive)
+{
+ return idescsi_settings;
+}
#endif
/*
@@ -419,13 +434,6 @@ static void ide_scsi_remove(ide_drive_t *drive)
static int ide_scsi_probe(ide_drive_t *);
-#ifdef CONFIG_IDE_PROC_FS
-static ide_proc_entry_t idescsi_proc[] = {
- { "capacity", S_IFREG|S_IRUGO, proc_ide_read_capacity, NULL },
- { NULL, 0, NULL, NULL }
-};
-#endif
-
static ide_driver_t idescsi_driver = {
.gen_driver = {
.owner = THIS_MODULE,
@@ -439,8 +447,8 @@ static ide_driver_t idescsi_driver = {
.end_request = idescsi_end_request,
.error = idescsi_atapi_error,
#ifdef CONFIG_IDE_PROC_FS
- .proc = idescsi_proc,
- .settings = idescsi_settings,
+ .proc_entries = ide_scsi_proc_entries,
+ .proc_devsets = ide_scsi_proc_devsets,
#endif
};
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index d30eb7ba018..098739deb02 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -7859,7 +7859,6 @@ static struct pci_driver ipr_driver = {
.remove = ipr_remove,
.shutdown = ipr_shutdown,
.err_handler = &ipr_err_handler,
- .dynids.use_driver_data = 1
};
/**
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 83c81921677..f25f41a499e 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2108,7 +2108,7 @@ struct scsi_qla_host;
struct qla_msix_entry {
int have_irq;
- uint16_t msix_vector;
+ uint32_t msix_vector;
uint16_t msix_entry;
};
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 2aed4721c0d..21dd182ad51 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1566,9 +1566,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
goto probe_out;
}
- if (pci_find_aer_capability(pdev))
- if (pci_enable_pcie_error_reporting(pdev))
- goto probe_out;
+ /* This may fail but that's ok */
+ pci_enable_pcie_error_reporting(pdev);
host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
if (host == NULL) {
diff --git a/drivers/scsi/sr_vendor.c b/drivers/scsi/sr_vendor.c
index 4eb3da996b3..4ad3e017213 100644
--- a/drivers/scsi/sr_vendor.c
+++ b/drivers/scsi/sr_vendor.c
@@ -223,9 +223,9 @@ int sr_cd_check(struct cdrom_device_info *cdi)
no_multi = 1;
break;
}
- min = BCD2BIN(buffer[15]);
- sec = BCD2BIN(buffer[16]);
- frame = BCD2BIN(buffer[17]);
+ min = bcd2bin(buffer[15]);
+ sec = bcd2bin(buffer[16]);
+ frame = bcd2bin(buffer[17]);
sector = min * CD_SECS * CD_FRAMES + sec * CD_FRAMES + frame;
break;
}
@@ -252,9 +252,9 @@ int sr_cd_check(struct cdrom_device_info *cdi)
}
if (rc != 0)
break;
- min = BCD2BIN(buffer[1]);
- sec = BCD2BIN(buffer[2]);
- frame = BCD2BIN(buffer[3]);
+ min = bcd2bin(buffer[1]);
+ sec = bcd2bin(buffer[2]);
+ frame = bcd2bin(buffer[3]);
sector = min * CD_SECS * CD_FRAMES + sec * CD_FRAMES + frame;
if (sector)
sector -= CD_MSF_OFFSET;
diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c
index 381b12ac20e..d935b2d04f9 100644
--- a/drivers/serial/68328serial.c
+++ b/drivers/serial/68328serial.c
@@ -66,7 +66,6 @@
#endif
static struct m68k_serial m68k_soft[NR_PORTS];
-struct m68k_serial *IRQ_ports[NR_IRQS];
static unsigned int uart_irqs[NR_PORTS] = UART_IRQ_DEFNS;
@@ -375,15 +374,11 @@ clear_and_return:
*/
irqreturn_t rs_interrupt(int irq, void *dev_id)
{
- struct m68k_serial * info;
+ struct m68k_serial *info = dev_id;
m68328_uart *uart;
unsigned short rx;
unsigned short tx;
- info = IRQ_ports[irq];
- if(!info)
- return IRQ_NONE;
-
uart = &uart_addr[info->line];
rx = uart->urx.w;
@@ -1383,8 +1378,6 @@ rs68328_init(void)
info->port, info->irq);
printk(" is a builtin MC68328 UART\n");
- IRQ_ports[info->irq] = info; /* waste of space */
-
#ifdef CONFIG_M68VZ328
if (i > 0 )
PJSEL &= 0xCF; /* PSW enable second port output */
@@ -1393,7 +1386,7 @@ rs68328_init(void)
if (request_irq(uart_irqs[i],
rs_interrupt,
IRQF_DISABLED,
- "M68328_UART", NULL))
+ "M68328_UART", info))
panic("Unable to attach 68328 serial interrupt\n");
}
local_irq_restore(flags);
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 1528de23a65..303272af386 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -156,11 +156,15 @@ struct uart_8250_port {
};
struct irq_info {
- spinlock_t lock;
+ struct hlist_node node;
+ int irq;
+ spinlock_t lock; /* Protects list not the hash */
struct list_head *head;
};
-static struct irq_info irq_lists[NR_IRQS];
+#define NR_IRQ_HASH 32 /* Can be adjusted later */
+static struct hlist_head irq_lists[NR_IRQ_HASH];
+static DEFINE_MUTEX(hash_mutex); /* Used to walk the hash */
/*
* Here we define the default xmit fifo size used for each type of UART.
@@ -1545,15 +1549,43 @@ static void serial_do_unlink(struct irq_info *i, struct uart_8250_port *up)
BUG_ON(i->head != &up->list);
i->head = NULL;
}
-
spin_unlock_irq(&i->lock);
+ /* List empty so throw away the hash node */
+ if (i->head == NULL) {
+ hlist_del(&i->node);
+ kfree(i);
+ }
}
static int serial_link_irq_chain(struct uart_8250_port *up)
{
- struct irq_info *i = irq_lists + up->port.irq;
+ struct hlist_head *h;
+ struct hlist_node *n;
+ struct irq_info *i;
int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? IRQF_SHARED : 0;
+ mutex_lock(&hash_mutex);
+
+ h = &irq_lists[up->port.irq % NR_IRQ_HASH];
+
+ hlist_for_each(n, h) {
+ i = hlist_entry(n, struct irq_info, node);
+ if (i->irq == up->port.irq)
+ break;
+ }
+
+ if (n == NULL) {
+ i = kzalloc(sizeof(struct irq_info), GFP_KERNEL);
+ if (i == NULL) {
+ mutex_unlock(&hash_mutex);
+ return -ENOMEM;
+ }
+ spin_lock_init(&i->lock);
+ i->irq = up->port.irq;
+ hlist_add_head(&i->node, h);
+ }
+ mutex_unlock(&hash_mutex);
+
spin_lock_irq(&i->lock);
if (i->head) {
@@ -1577,14 +1609,28 @@ static int serial_link_irq_chain(struct uart_8250_port *up)
static void serial_unlink_irq_chain(struct uart_8250_port *up)
{
- struct irq_info *i = irq_lists + up->port.irq;
+ struct irq_info *i;
+ struct hlist_node *n;
+ struct hlist_head *h;
+ mutex_lock(&hash_mutex);
+
+ h = &irq_lists[up->port.irq % NR_IRQ_HASH];
+
+ hlist_for_each(n, h) {
+ i = hlist_entry(n, struct irq_info, node);
+ if (i->irq == up->port.irq)
+ break;
+ }
+
+ BUG_ON(n == NULL);
BUG_ON(i->head == NULL);
if (list_empty(i->head))
free_irq(up->port.irq, i);
serial_do_unlink(i, up);
+ mutex_unlock(&hash_mutex);
}
/* Base timer interval for polling */
@@ -2447,7 +2493,7 @@ static void serial8250_config_port(struct uart_port *port, int flags)
static int
serial8250_verify_port(struct uart_port *port, struct serial_struct *ser)
{
- if (ser->irq >= NR_IRQS || ser->irq < 0 ||
+ if (ser->irq >= nr_irqs || ser->irq < 0 ||
ser->baud_base < 9600 || ser->type < PORT_UNKNOWN ||
ser->type >= ARRAY_SIZE(uart_config) || ser->type == PORT_CIRRUS ||
ser->type == PORT_STARTECH)
@@ -2967,7 +3013,7 @@ EXPORT_SYMBOL(serial8250_unregister_port);
static int __init serial8250_init(void)
{
- int ret, i;
+ int ret;
if (nr_uarts > UART_NR)
nr_uarts = UART_NR;
@@ -2976,9 +3022,6 @@ static int __init serial8250_init(void)
"%d ports, IRQ sharing %sabled\n", nr_uarts,
share_irqs ? "en" : "dis");
- for (i = 0; i < NR_IRQS; i++)
- spin_lock_init(&irq_lists[i].lock);
-
#ifdef CONFIG_SPARC
ret = sunserial_register_minors(&serial8250_reg, UART_NR);
#else
@@ -3006,15 +3049,15 @@ static int __init serial8250_init(void)
goto out;
platform_device_del(serial8250_isa_devs);
- put_dev:
+put_dev:
platform_device_put(serial8250_isa_devs);
- unreg_uart_drv:
+unreg_uart_drv:
#ifdef CONFIG_SPARC
sunserial_unregister_minors(&serial8250_reg, UART_NR);
#else
uart_unregister_driver(&serial8250_reg);
#endif
- out:
+out:
return ret;
}
diff --git a/drivers/serial/8250_gsc.c b/drivers/serial/8250_gsc.c
index 0416ad3bc12..418b4fe9a0a 100644
--- a/drivers/serial/8250_gsc.c
+++ b/drivers/serial/8250_gsc.c
@@ -111,7 +111,7 @@ static struct parisc_driver serial_driver = {
.probe = serial_init_chip,
};
-int __init probe_serial_gsc(void)
+static int __init probe_serial_gsc(void)
{
register_parisc_driver(&lasi_driver);
register_parisc_driver(&serial_driver);
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 90b56c2c31e..71562689116 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -512,7 +512,7 @@ static int pl010_verify_port(struct uart_port *port, struct serial_struct *ser)
int ret = 0;
if (ser->type != PORT_UNKNOWN && ser->type != PORT_AMBA)
ret = -EINVAL;
- if (ser->irq < 0 || ser->irq >= NR_IRQS)
+ if (ser->irq < 0 || ser->irq >= nr_irqs)
ret = -EINVAL;
if (ser->baud_base < 9600)
ret = -EINVAL;
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 9d08f27208a..b7180046f8d 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -572,7 +572,7 @@ static int pl010_verify_port(struct uart_port *port, struct serial_struct *ser)
int ret = 0;
if (ser->type != PORT_UNKNOWN && ser->type != PORT_AMBA)
ret = -EINVAL;
- if (ser->irq < 0 || ser->irq >= NR_IRQS)
+ if (ser->irq < 0 || ser->irq >= nr_irqs)
ret = -EINVAL;
if (ser->baud_base < 9600)
ret = -EINVAL;
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index a6c4d744495..bde4b4b0b80 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -623,7 +623,7 @@ static int cpm_uart_verify_port(struct uart_port *port,
if (ser->type != PORT_UNKNOWN && ser->type != PORT_CPM)
ret = -EINVAL;
- if (ser->irq < 0 || ser->irq >= NR_IRQS)
+ if (ser->irq < 0 || ser->irq >= nr_irqs)
ret = -EINVAL;
if (ser->baud_base < 9600)
ret = -EINVAL;
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index 23d03051101..611c97a1565 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -922,7 +922,7 @@ static void m32r_sio_config_port(struct uart_port *port, int flags)
static int
m32r_sio_verify_port(struct uart_port *port, struct serial_struct *ser)
{
- if (ser->irq >= NR_IRQS || ser->irq < 0 ||
+ if (ser->irq >= nr_irqs || ser->irq < 0 ||
ser->baud_base < 9600 || ser->type < PORT_UNKNOWN ||
ser->type >= ARRAY_SIZE(uart_config))
return -EINVAL;
@@ -1162,7 +1162,7 @@ static int __init m32r_sio_init(void)
printk(KERN_INFO "Serial: M32R SIO driver\n");
- for (i = 0; i < NR_IRQS; i++)
+ for (i = 0; i < nr_irqs; i++)
spin_lock_init(&irq_lists[i].lock);
ret = uart_register_driver(&m32r_sio_reg);
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 6bdf3362e3b..874786a11fe 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -741,7 +741,7 @@ static int uart_set_info(struct uart_state *state,
if (port->ops->verify_port)
retval = port->ops->verify_port(port, &new_serial);
- if ((new_serial.irq >= NR_IRQS) || (new_serial.irq < 0) ||
+ if ((new_serial.irq >= nr_irqs) || (new_serial.irq < 0) ||
(new_serial.baud_base < 9600))
retval = -EINVAL;
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c
index cb49a5ac022..61dc8b3daa2 100644
--- a/drivers/serial/serial_lh7a40x.c
+++ b/drivers/serial/serial_lh7a40x.c
@@ -460,7 +460,7 @@ static int lh7a40xuart_verify_port (struct uart_port* port,
if (ser->type != PORT_UNKNOWN && ser->type != PORT_LH7A40X)
ret = -EINVAL;
- if (ser->irq < 0 || ser->irq >= NR_IRQS)
+ if (ser->irq < 0 || ser->irq >= nr_irqs)
ret = -EINVAL;
if (ser->baud_base < 9600) /* *** FIXME: is this true? */
ret = -EINVAL;
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index 8fcb4c5b9a2..7313c2edcb8 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -1039,7 +1039,7 @@ static int __devinit serial_txx9_probe(struct platform_device *dev)
ret = serial_txx9_register_port(&port);
if (ret < 0) {
dev_err(&dev->dev, "unable to register port at index %d "
- "(IO%x MEM%llx IRQ%d): %d\n", i,
+ "(IO%lx MEM%llx IRQ%d): %d\n", i,
p->iobase, (unsigned long long)p->mapbase,
p->irq, ret);
}
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 3df2aaec829..f0658d2c45b 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -3,7 +3,7 @@
*
* SuperH on-chip serial module support. (SCI with no FIFO / with FIFO)
*
- * Copyright (C) 2002 - 2006 Paul Mundt
+ * Copyright (C) 2002 - 2008 Paul Mundt
* Modified to support SH7720 SCIF. Markus Brunner, Mark Jonas (Jul 2007).
*
* based off of the old drivers/char/sh-sci.c by:
@@ -46,6 +46,7 @@
#include <linux/cpufreq.h>
#include <linux/clk.h>
#include <linux/ctype.h>
+#include <linux/err.h>
#ifdef CONFIG_SUPERH
#include <asm/clock.h>
@@ -78,7 +79,7 @@ struct sci_port {
struct timer_list break_timer;
int break_flag;
-#ifdef CONFIG_SUPERH
+#ifdef CONFIG_HAVE_CLK
/* Port clock */
struct clk *clk;
#endif
@@ -831,7 +832,7 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
return IRQ_HANDLED;
}
-#ifdef CONFIG_CPU_FREQ
+#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_HAVE_CLK)
/*
* Here we define a transistion notifier so that we can update all of our
* ports' baud rate when the peripheral clock changes.
@@ -860,7 +861,7 @@ static int sci_notifier(struct notifier_block *self,
* Clean this up later..
*/
clk = clk_get(NULL, "module_clk");
- port->uartclk = clk_get_rate(clk) * 16;
+ port->uartclk = clk_get_rate(clk);
clk_put(clk);
}
@@ -873,7 +874,7 @@ static int sci_notifier(struct notifier_block *self,
}
static struct notifier_block sci_nb = { &sci_notifier, NULL, 0 };
-#endif /* CONFIG_CPU_FREQ */
+#endif /* CONFIG_CPU_FREQ && CONFIG_HAVE_CLK */
static int sci_request_irq(struct sci_port *port)
{
@@ -1008,7 +1009,7 @@ static int sci_startup(struct uart_port *port)
if (s->enable)
s->enable(port);
-#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
+#ifdef CONFIG_HAVE_CLK
s->clk = clk_get(NULL, "module_clk");
#endif
@@ -1030,7 +1031,7 @@ static void sci_shutdown(struct uart_port *port)
if (s->disable)
s->disable(port);
-#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
+#ifdef CONFIG_HAVE_CLK
clk_put(s->clk);
s->clk = NULL;
#endif
@@ -1041,24 +1042,11 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
{
struct sci_port *s = &sci_ports[port->line];
unsigned int status, baud, smr_val;
- int t;
+ int t = -1;
baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
-
- switch (baud) {
- case 0:
- t = -1;
- break;
- default:
- {
-#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
- t = SCBRR_VALUE(baud, clk_get_rate(s->clk));
-#else
- t = SCBRR_VALUE(baud);
-#endif
- break;
- }
- }
+ if (likely(baud))
+ t = SCBRR_VALUE(baud, port->uartclk);
do {
status = sci_in(port, SCxSR);
@@ -1113,7 +1101,7 @@ static const char *sci_type(struct uart_port *port)
case PORT_IRDA: return "irda";
}
- return 0;
+ return NULL;
}
static void sci_release_port(struct uart_port *port)
@@ -1145,19 +1133,23 @@ static void sci_config_port(struct uart_port *port, int flags)
break;
}
-#if defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103)
- if (port->mapbase == 0)
+ if (port->flags & UPF_IOREMAP && !port->membase) {
+#if defined(CONFIG_SUPERH64)
port->mapbase = onchip_remap(SCIF_ADDR_SH5, 1024, "SCIF");
-
- port->membase = (void __iomem *)port->mapbase;
+ port->membase = (void __iomem *)port->mapbase;
+#else
+ port->membase = ioremap_nocache(port->mapbase, 0x40);
#endif
+
+ printk(KERN_ERR "sci: can't remap port#%d\n", port->line);
+ }
}
static int sci_verify_port(struct uart_port *port, struct serial_struct *ser)
{
struct sci_port *s = &sci_ports[port->line];
- if (ser->irq != s->irqs[SCIx_TXI_IRQ] || ser->irq > NR_IRQS)
+ if (ser->irq != s->irqs[SCIx_TXI_IRQ] || ser->irq > nr_irqs)
return -EINVAL;
if (ser->baud_base < 2400)
/* No paper tape reader for Mitch.. */
@@ -1207,17 +1199,17 @@ static void __init sci_init_ports(void)
sci_ports[i].disable = h8300_sci_disable;
#endif
sci_ports[i].port.uartclk = CONFIG_CPU_CLOCK;
-#elif defined(CONFIG_SUPERH64)
- sci_ports[i].port.uartclk = current_cpu_data.module_clock * 16;
-#else
+#elif defined(CONFIG_HAVE_CLK)
/*
* XXX: We should use a proper SCI/SCIF clock
*/
{
struct clk *clk = clk_get(NULL, "module_clk");
- sci_ports[i].port.uartclk = clk_get_rate(clk) * 16;
+ sci_ports[i].port.uartclk = clk_get_rate(clk);
clk_put(clk);
}
+#else
+#error "Need a valid uartclk"
#endif
sci_ports[i].break_timer.data = (unsigned long)&sci_ports[i];
@@ -1285,7 +1277,7 @@ static int __init serial_console_setup(struct console *co, char *options)
port->type = serial_console_port->type;
-#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
+#ifdef CONFIG_HAVE_CLK
if (!serial_console_port->clk)
serial_console_port->clk = clk_get(NULL, "module_clk");
#endif
@@ -1436,7 +1428,7 @@ static struct uart_driver sci_uart_driver = {
static int __devinit sci_probe(struct platform_device *dev)
{
struct plat_sci_port *p = dev->dev.platform_data;
- int i;
+ int i, ret = -EINVAL;
for (i = 0; p && p->flags != 0; p++, i++) {
struct sci_port *sciport = &sci_ports[i];
@@ -1453,12 +1445,22 @@ static int __devinit sci_probe(struct platform_device *dev)
sciport->port.mapbase = p->mapbase;
- /*
- * For the simple (and majority of) cases where we don't need
- * to do any remapping, just cast the cookie directly.
- */
- if (p->mapbase && !p->membase && !(p->flags & UPF_IOREMAP))
- p->membase = (void __iomem *)p->mapbase;
+ if (p->mapbase && !p->membase) {
+ if (p->flags & UPF_IOREMAP) {
+ p->membase = ioremap_nocache(p->mapbase, 0x40);
+ if (IS_ERR(p->membase)) {
+ ret = PTR_ERR(p->membase);
+ goto err_unreg;
+ }
+ } else {
+ /*
+ * For the simple (and majority of) cases
+ * where we don't need to do any remapping,
+ * just cast the cookie directly.
+ */
+ p->membase = (void __iomem *)p->mapbase;
+ }
+ }
sciport->port.membase = p->membase;
@@ -1479,7 +1481,7 @@ static int __devinit sci_probe(struct platform_device *dev)
kgdb_putchar = kgdb_sci_putchar;
#endif
-#ifdef CONFIG_CPU_FREQ
+#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_HAVE_CLK)
cpufreq_register_notifier(&sci_nb, CPUFREQ_TRANSITION_NOTIFIER);
dev_info(&dev->dev, "CPU frequency notifier registered\n");
#endif
@@ -1489,6 +1491,12 @@ static int __devinit sci_probe(struct platform_device *dev)
#endif
return 0;
+
+err_unreg:
+ for (i = i - 1; i >= 0; i--)
+ uart_remove_one_port(&sci_uart_driver, &sci_ports[i].port);
+
+ return ret;
}
static int __devexit sci_remove(struct platform_device *dev)
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index 8a0749e34ca..7cd28b22680 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -320,18 +320,16 @@
#define SCI_EVENT_WRITE_WAKEUP 0
#define SCI_IN(size, offset) \
- unsigned int addr = port->mapbase + (offset); \
if ((size) == 8) { \
- return ctrl_inb(addr); \
+ return ioread8(port->membase + (offset)); \
} else { \
- return ctrl_inw(addr); \
+ return ioread16(port->membase + (offset)); \
}
#define SCI_OUT(size, offset, value) \
- unsigned int addr = port->mapbase + (offset); \
if ((size) == 8) { \
- ctrl_outb(value, addr); \
+ iowrite8(value, port->membase + (offset)); \
} else if ((size) == 16) { \
- ctrl_outw(value, addr); \
+ iowrite16(value, port->membase + (offset)); \
}
#define CPU_SCIx_FNS(name, sci_offset, sci_size, scif_offset, scif_size)\
@@ -791,11 +789,16 @@ static inline int sci_rxd_in(struct uart_port *port)
defined(CONFIG_CPU_SUBTYPE_SH7721)
#define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1)
#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
-#define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(16*bps)-1)
+static inline int scbrr_calc(struct uart_port *port, int bps, int clk)
+{
+ if (port->type == PORT_SCIF)
+ return (clk+16*bps)/(32*bps)-1;
+ else
+ return ((clk*2)+16*bps)/(16*bps)-1;
+}
+#define SCBRR_VALUE(bps, clk) scbrr_calc(port, bps, clk)
#elif defined(__H8300H__) || defined(__H8300S__)
-#define SCBRR_VALUE(bps) (((CONFIG_CPU_CLOCK*1000/32)/bps)-1)
-#elif defined(CONFIG_SUPERH64)
-#define SCBRR_VALUE(bps) ((current_cpu_data.module_clock+16*bps)/(32*bps)-1)
+#define SCBRR_VALUE(bps, clk) (((clk*1000/32)/bps)-1)
#else /* Generic SH */
#define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1)
#endif
diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c
index b73e3c0056c..d5276c012f7 100644
--- a/drivers/serial/sn_console.c
+++ b/drivers/serial/sn_console.c
@@ -61,7 +61,7 @@
#define SN_SAL_BUFFER_SIZE (64 * (1 << 10))
#define SN_SAL_UART_FIFO_DEPTH 16
-#define SN_SAL_UART_FIFO_SPEED_CPS 9600/10
+#define SN_SAL_UART_FIFO_SPEED_CPS (9600/10)
/* sn_transmit_chars() calling args */
#define TRANSMIT_BUFFERED 0
diff --git a/drivers/serial/ucc_uart.c b/drivers/serial/ucc_uart.c
index 539c933b335..315a9333ca3 100644
--- a/drivers/serial/ucc_uart.c
+++ b/drivers/serial/ucc_uart.c
@@ -1066,7 +1066,7 @@ static int qe_uart_verify_port(struct uart_port *port,
if (ser->type != PORT_UNKNOWN && ser->type != PORT_CPM)
return -EINVAL;
- if (ser->irq < 0 || ser->irq >= NR_IRQS)
+ if (ser->irq < 0 || ser->irq >= nr_irqs)
return -EINVAL;
if (ser->baud_base < 9600)
diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
index a96f4a8cfeb..6a025cefe6d 100644
--- a/drivers/sh/Makefile
+++ b/drivers/sh/Makefile
@@ -1,6 +1,6 @@
#
# Makefile for the SuperH specific drivers.
#
-
obj-$(CONFIG_SUPERHYWAY) += superhyway/
obj-$(CONFIG_MAPLE) += maple/
+obj-y += intc.o
diff --git a/drivers/sh/intc.c b/drivers/sh/intc.c
new file mode 100644
index 00000000000..58d24c5a76c
--- /dev/null
+++ b/drivers/sh/intc.c
@@ -0,0 +1,713 @@
+/*
+ * Shared interrupt handling code for IPR and INTC2 types of IRQs.
+ *
+ * Copyright (C) 2007, 2008 Magnus Damm
+ *
+ * Based on intc2.c and ipr.c
+ *
+ * Copyright (C) 1999 Niibe Yutaka & Takeshi Yaegashi
+ * Copyright (C) 2000 Kazumoto Kojima
+ * Copyright (C) 2001 David J. Mckay (david.mckay@st.com)
+ * Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp>
+ * Copyright (C) 2005, 2006 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/bootmem.h>
+#include <linux/sh_intc.h>
+
+#define _INTC_MK(fn, mode, addr_e, addr_d, width, shift) \
+ ((shift) | ((width) << 5) | ((fn) << 9) | ((mode) << 13) | \
+ ((addr_e) << 16) | ((addr_d << 24)))
+
+#define _INTC_SHIFT(h) (h & 0x1f)
+#define _INTC_WIDTH(h) ((h >> 5) & 0xf)
+#define _INTC_FN(h) ((h >> 9) & 0xf)
+#define _INTC_MODE(h) ((h >> 13) & 0x7)
+#define _INTC_ADDR_E(h) ((h >> 16) & 0xff)
+#define _INTC_ADDR_D(h) ((h >> 24) & 0xff)
+
+struct intc_handle_int {
+ unsigned int irq;
+ unsigned long handle;
+};
+
+struct intc_desc_int {
+ unsigned long *reg;
+#ifdef CONFIG_SMP
+ unsigned long *smp;
+#endif
+ unsigned int nr_reg;
+ struct intc_handle_int *prio;
+ unsigned int nr_prio;
+ struct intc_handle_int *sense;
+ unsigned int nr_sense;
+ struct irq_chip chip;
+};
+
+#ifdef CONFIG_SMP
+#define IS_SMP(x) x.smp
+#define INTC_REG(d, x, c) (d->reg[(x)] + ((d->smp[(x)] & 0xff) * c))
+#define SMP_NR(d, x) ((d->smp[(x)] >> 8) ? (d->smp[(x)] >> 8) : 1)
+#else
+#define IS_SMP(x) 0
+#define INTC_REG(d, x, c) (d->reg[(x)])
+#define SMP_NR(d, x) 1
+#endif
+
+static unsigned int intc_prio_level[NR_IRQS]; /* for now */
+#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
+static unsigned long ack_handle[NR_IRQS];
+#endif
+
+static inline struct intc_desc_int *get_intc_desc(unsigned int irq)
+{
+ struct irq_chip *chip = get_irq_chip(irq);
+ return (void *)((char *)chip - offsetof(struct intc_desc_int, chip));
+}
+
+static inline unsigned int set_field(unsigned int value,
+ unsigned int field_value,
+ unsigned int handle)
+{
+ unsigned int width = _INTC_WIDTH(handle);
+ unsigned int shift = _INTC_SHIFT(handle);
+
+ value &= ~(((1 << width) - 1) << shift);
+ value |= field_value << shift;
+ return value;
+}
+
+static void write_8(unsigned long addr, unsigned long h, unsigned long data)
+{
+ __raw_writeb(set_field(0, data, h), addr);
+}
+
+static void write_16(unsigned long addr, unsigned long h, unsigned long data)
+{
+ __raw_writew(set_field(0, data, h), addr);
+}
+
+static void write_32(unsigned long addr, unsigned long h, unsigned long data)
+{
+ __raw_writel(set_field(0, data, h), addr);
+}
+
+static void modify_8(unsigned long addr, unsigned long h, unsigned long data)
+{
+ unsigned long flags;
+ local_irq_save(flags);
+ __raw_writeb(set_field(__raw_readb(addr), data, h), addr);
+ local_irq_restore(flags);
+}
+
+static void modify_16(unsigned long addr, unsigned long h, unsigned long data)
+{
+ unsigned long flags;
+ local_irq_save(flags);
+ __raw_writew(set_field(__raw_readw(addr), data, h), addr);
+ local_irq_restore(flags);
+}
+
+static void modify_32(unsigned long addr, unsigned long h, unsigned long data)
+{
+ unsigned long flags;
+ local_irq_save(flags);
+ __raw_writel(set_field(__raw_readl(addr), data, h), addr);
+ local_irq_restore(flags);
+}
+
+enum { REG_FN_ERR = 0, REG_FN_WRITE_BASE = 1, REG_FN_MODIFY_BASE = 5 };
+
+static void (*intc_reg_fns[])(unsigned long addr,
+ unsigned long h,
+ unsigned long data) = {
+ [REG_FN_WRITE_BASE + 0] = write_8,
+ [REG_FN_WRITE_BASE + 1] = write_16,
+ [REG_FN_WRITE_BASE + 3] = write_32,
+ [REG_FN_MODIFY_BASE + 0] = modify_8,
+ [REG_FN_MODIFY_BASE + 1] = modify_16,
+ [REG_FN_MODIFY_BASE + 3] = modify_32,
+};
+
+enum { MODE_ENABLE_REG = 0, /* Bit(s) set -> interrupt enabled */
+ MODE_MASK_REG, /* Bit(s) set -> interrupt disabled */
+ MODE_DUAL_REG, /* Two registers, set bit to enable / disable */
+ MODE_PRIO_REG, /* Priority value written to enable interrupt */
+ MODE_PCLR_REG, /* Above plus all bits set to disable interrupt */
+};
+
+static void intc_mode_field(unsigned long addr,
+ unsigned long handle,
+ void (*fn)(unsigned long,
+ unsigned long,
+ unsigned long),
+ unsigned int irq)
+{
+ fn(addr, handle, ((1 << _INTC_WIDTH(handle)) - 1));
+}
+
+static void intc_mode_zero(unsigned long addr,
+ unsigned long handle,
+ void (*fn)(unsigned long,
+ unsigned long,
+ unsigned long),
+ unsigned int irq)
+{
+ fn(addr, handle, 0);
+}
+
+static void intc_mode_prio(unsigned long addr,
+ unsigned long handle,
+ void (*fn)(unsigned long,
+ unsigned long,
+ unsigned long),
+ unsigned int irq)
+{
+ fn(addr, handle, intc_prio_level[irq]);
+}
+
+static void (*intc_enable_fns[])(unsigned long addr,
+ unsigned long handle,
+ void (*fn)(unsigned long,
+ unsigned long,
+ unsigned long),
+ unsigned int irq) = {
+ [MODE_ENABLE_REG] = intc_mode_field,
+ [MODE_MASK_REG] = intc_mode_zero,
+ [MODE_DUAL_REG] = intc_mode_field,
+ [MODE_PRIO_REG] = intc_mode_prio,
+ [MODE_PCLR_REG] = intc_mode_prio,
+};
+
+static void (*intc_disable_fns[])(unsigned long addr,
+ unsigned long handle,
+ void (*fn)(unsigned long,
+ unsigned long,
+ unsigned long),
+ unsigned int irq) = {
+ [MODE_ENABLE_REG] = intc_mode_zero,
+ [MODE_MASK_REG] = intc_mode_field,
+ [MODE_DUAL_REG] = intc_mode_field,
+ [MODE_PRIO_REG] = intc_mode_zero,
+ [MODE_PCLR_REG] = intc_mode_field,
+};
+
+static inline void _intc_enable(unsigned int irq, unsigned long handle)
+{
+ struct intc_desc_int *d = get_intc_desc(irq);
+ unsigned long addr;
+ unsigned int cpu;
+
+ for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_E(handle)); cpu++) {
+ addr = INTC_REG(d, _INTC_ADDR_E(handle), cpu);
+ intc_enable_fns[_INTC_MODE(handle)](addr, handle, intc_reg_fns\
+ [_INTC_FN(handle)], irq);
+ }
+}
+
+static void intc_enable(unsigned int irq)
+{
+ _intc_enable(irq, (unsigned long)get_irq_chip_data(irq));
+}
+
+static void intc_disable(unsigned int irq)
+{
+ struct intc_desc_int *d = get_intc_desc(irq);
+ unsigned long handle = (unsigned long) get_irq_chip_data(irq);
+ unsigned long addr;
+ unsigned int cpu;
+
+ for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_D(handle)); cpu++) {
+ addr = INTC_REG(d, _INTC_ADDR_D(handle), cpu);
+ intc_disable_fns[_INTC_MODE(handle)](addr, handle,intc_reg_fns\
+ [_INTC_FN(handle)], irq);
+ }
+}
+
+#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
+static void intc_mask_ack(unsigned int irq)
+{
+ struct intc_desc_int *d = get_intc_desc(irq);
+ unsigned long handle = ack_handle[irq];
+ unsigned long addr;
+
+ intc_disable(irq);
+
+ /* read register and write zero only to the assocaited bit */
+
+ if (handle) {
+ addr = INTC_REG(d, _INTC_ADDR_D(handle), 0);
+ switch (_INTC_FN(handle)) {
+ case REG_FN_MODIFY_BASE + 0: /* 8bit */
+ __raw_readb(addr);
+ __raw_writeb(0xff ^ set_field(0, 1, handle), addr);
+ break;
+ case REG_FN_MODIFY_BASE + 1: /* 16bit */
+ __raw_readw(addr);
+ __raw_writew(0xffff ^ set_field(0, 1, handle), addr);
+ break;
+ case REG_FN_MODIFY_BASE + 3: /* 32bit */
+ __raw_readl(addr);
+ __raw_writel(0xffffffff ^ set_field(0, 1, handle), addr);
+ break;
+ default:
+ BUG();
+ break;
+ }
+ }
+}
+#endif
+
+static struct intc_handle_int *intc_find_irq(struct intc_handle_int *hp,
+ unsigned int nr_hp,
+ unsigned int irq)
+{
+ int i;
+
+ /* this doesn't scale well, but...
+ *
+ * this function should only be used for cerain uncommon
+ * operations such as intc_set_priority() and intc_set_sense()
+ * and in those rare cases performance doesn't matter that much.
+ * keeping the memory footprint low is more important.
+ *
+ * one rather simple way to speed this up and still keep the
+ * memory footprint down is to make sure the array is sorted
+ * and then perform a bisect to lookup the irq.
+ */
+
+ for (i = 0; i < nr_hp; i++) {
+ if ((hp + i)->irq != irq)
+ continue;
+
+ return hp + i;
+ }
+
+ return NULL;
+}
+
+int intc_set_priority(unsigned int irq, unsigned int prio)
+{
+ struct intc_desc_int *d = get_intc_desc(irq);
+ struct intc_handle_int *ihp;
+
+ if (!intc_prio_level[irq] || prio <= 1)
+ return -EINVAL;
+
+ ihp = intc_find_irq(d->prio, d->nr_prio, irq);
+ if (ihp) {
+ if (prio >= (1 << _INTC_WIDTH(ihp->handle)))
+ return -EINVAL;
+
+ intc_prio_level[irq] = prio;
+
+ /*
+ * only set secondary masking method directly
+ * primary masking method is using intc_prio_level[irq]
+ * priority level will be set during next enable()
+ */
+
+ if (_INTC_FN(ihp->handle) != REG_FN_ERR)
+ _intc_enable(irq, ihp->handle);
+ }
+ return 0;
+}
+
+#define VALID(x) (x | 0x80)
+
+static unsigned char intc_irq_sense_table[IRQ_TYPE_SENSE_MASK + 1] = {
+ [IRQ_TYPE_EDGE_FALLING] = VALID(0),
+ [IRQ_TYPE_EDGE_RISING] = VALID(1),
+ [IRQ_TYPE_LEVEL_LOW] = VALID(2),
+ /* SH7706, SH7707 and SH7709 do not support high level triggered */
+#if !defined(CONFIG_CPU_SUBTYPE_SH7706) && \
+ !defined(CONFIG_CPU_SUBTYPE_SH7707) && \
+ !defined(CONFIG_CPU_SUBTYPE_SH7709)
+ [IRQ_TYPE_LEVEL_HIGH] = VALID(3),
+#endif
+};
+
+static int intc_set_sense(unsigned int irq, unsigned int type)
+{
+ struct intc_desc_int *d = get_intc_desc(irq);
+ unsigned char value = intc_irq_sense_table[type & IRQ_TYPE_SENSE_MASK];
+ struct intc_handle_int *ihp;
+ unsigned long addr;
+
+ if (!value)
+ return -EINVAL;
+
+ ihp = intc_find_irq(d->sense, d->nr_sense, irq);
+ if (ihp) {
+ addr = INTC_REG(d, _INTC_ADDR_E(ihp->handle), 0);
+ intc_reg_fns[_INTC_FN(ihp->handle)](addr, ihp->handle, value);
+ }
+ return 0;
+}
+
+static unsigned int __init intc_get_reg(struct intc_desc_int *d,
+ unsigned long address)
+{
+ unsigned int k;
+
+ for (k = 0; k < d->nr_reg; k++) {
+ if (d->reg[k] == address)
+ return k;
+ }
+
+ BUG();
+ return 0;
+}
+
+static intc_enum __init intc_grp_id(struct intc_desc *desc,
+ intc_enum enum_id)
+{
+ struct intc_group *g = desc->groups;
+ unsigned int i, j;
+
+ for (i = 0; g && enum_id && i < desc->nr_groups; i++) {
+ g = desc->groups + i;
+
+ for (j = 0; g->enum_ids[j]; j++) {
+ if (g->enum_ids[j] != enum_id)
+ continue;
+
+ return g->enum_id;
+ }
+ }
+
+ return 0;
+}
+
+static unsigned int __init intc_mask_data(struct intc_desc *desc,
+ struct intc_desc_int *d,
+ intc_enum enum_id, int do_grps)
+{
+ struct intc_mask_reg *mr = desc->mask_regs;
+ unsigned int i, j, fn, mode;
+ unsigned long reg_e, reg_d;
+
+ for (i = 0; mr && enum_id && i < desc->nr_mask_regs; i++) {
+ mr = desc->mask_regs + i;
+
+ for (j = 0; j < ARRAY_SIZE(mr->enum_ids); j++) {
+ if (mr->enum_ids[j] != enum_id)
+ continue;
+
+ if (mr->set_reg && mr->clr_reg) {
+ fn = REG_FN_WRITE_BASE;
+ mode = MODE_DUAL_REG;
+ reg_e = mr->clr_reg;
+ reg_d = mr->set_reg;
+ } else {
+ fn = REG_FN_MODIFY_BASE;
+ if (mr->set_reg) {
+ mode = MODE_ENABLE_REG;
+ reg_e = mr->set_reg;
+ reg_d = mr->set_reg;
+ } else {
+ mode = MODE_MASK_REG;
+ reg_e = mr->clr_reg;
+ reg_d = mr->clr_reg;
+ }
+ }
+
+ fn += (mr->reg_width >> 3) - 1;
+ return _INTC_MK(fn, mode,
+ intc_get_reg(d, reg_e),
+ intc_get_reg(d, reg_d),
+ 1,
+ (mr->reg_width - 1) - j);
+ }
+ }
+
+ if (do_grps)
+ return intc_mask_data(desc, d, intc_grp_id(desc, enum_id), 0);
+
+ return 0;
+}
+
+static unsigned int __init intc_prio_data(struct intc_desc *desc,
+ struct intc_desc_int *d,
+ intc_enum enum_id, int do_grps)
+{
+ struct intc_prio_reg *pr = desc->prio_regs;
+ unsigned int i, j, fn, mode, bit;
+ unsigned long reg_e, reg_d;
+
+ for (i = 0; pr && enum_id && i < desc->nr_prio_regs; i++) {
+ pr = desc->prio_regs + i;
+
+ for (j = 0; j < ARRAY_SIZE(pr->enum_ids); j++) {
+ if (pr->enum_ids[j] != enum_id)
+ continue;
+
+ if (pr->set_reg && pr->clr_reg) {
+ fn = REG_FN_WRITE_BASE;
+ mode = MODE_PCLR_REG;
+ reg_e = pr->set_reg;
+ reg_d = pr->clr_reg;
+ } else {
+ fn = REG_FN_MODIFY_BASE;
+ mode = MODE_PRIO_REG;
+ if (!pr->set_reg)
+ BUG();
+ reg_e = pr->set_reg;
+ reg_d = pr->set_reg;
+ }
+
+ fn += (pr->reg_width >> 3) - 1;
+
+ BUG_ON((j + 1) * pr->field_width > pr->reg_width);
+
+ bit = pr->reg_width - ((j + 1) * pr->field_width);
+
+ return _INTC_MK(fn, mode,
+ intc_get_reg(d, reg_e),
+ intc_get_reg(d, reg_d),
+ pr->field_width, bit);
+ }
+ }
+
+ if (do_grps)
+ return intc_prio_data(desc, d, intc_grp_id(desc, enum_id), 0);
+
+ return 0;
+}
+
+#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
+static unsigned int __init intc_ack_data(struct intc_desc *desc,
+ struct intc_desc_int *d,
+ intc_enum enum_id)
+{
+ struct intc_mask_reg *mr = desc->ack_regs;
+ unsigned int i, j, fn, mode;
+ unsigned long reg_e, reg_d;
+
+ for (i = 0; mr && enum_id && i < desc->nr_ack_regs; i++) {
+ mr = desc->ack_regs + i;
+
+ for (j = 0; j < ARRAY_SIZE(mr->enum_ids); j++) {
+ if (mr->enum_ids[j] != enum_id)
+ continue;
+
+ fn = REG_FN_MODIFY_BASE;
+ mode = MODE_ENABLE_REG;
+ reg_e = mr->set_reg;
+ reg_d = mr->set_reg;
+
+ fn += (mr->reg_width >> 3) - 1;
+ return _INTC_MK(fn, mode,
+ intc_get_reg(d, reg_e),
+ intc_get_reg(d, reg_d),
+ 1,
+ (mr->reg_width - 1) - j);
+ }
+ }
+
+ return 0;
+}
+#endif
+
+static unsigned int __init intc_sense_data(struct intc_desc *desc,
+ struct intc_desc_int *d,
+ intc_enum enum_id)
+{
+ struct intc_sense_reg *sr = desc->sense_regs;
+ unsigned int i, j, fn, bit;
+
+ for (i = 0; sr && enum_id && i < desc->nr_sense_regs; i++) {
+ sr = desc->sense_regs + i;
+
+ for (j = 0; j < ARRAY_SIZE(sr->enum_ids); j++) {
+ if (sr->enum_ids[j] != enum_id)
+ continue;
+
+ fn = REG_FN_MODIFY_BASE;
+ fn += (sr->reg_width >> 3) - 1;
+
+ BUG_ON((j + 1) * sr->field_width > sr->reg_width);
+
+ bit = sr->reg_width - ((j + 1) * sr->field_width);
+
+ return _INTC_MK(fn, 0, intc_get_reg(d, sr->reg),
+ 0, sr->field_width, bit);
+ }
+ }
+
+ return 0;
+}
+
+static void __init intc_register_irq(struct intc_desc *desc,
+ struct intc_desc_int *d,
+ intc_enum enum_id,
+ unsigned int irq)
+{
+ struct intc_handle_int *hp;
+ unsigned int data[2], primary;
+
+ /* Prefer single interrupt source bitmap over other combinations:
+ * 1. bitmap, single interrupt source
+ * 2. priority, single interrupt source
+ * 3. bitmap, multiple interrupt sources (groups)
+ * 4. priority, multiple interrupt sources (groups)
+ */
+
+ data[0] = intc_mask_data(desc, d, enum_id, 0);
+ data[1] = intc_prio_data(desc, d, enum_id, 0);
+
+ primary = 0;
+ if (!data[0] && data[1])
+ primary = 1;
+
+ data[0] = data[0] ? data[0] : intc_mask_data(desc, d, enum_id, 1);
+ data[1] = data[1] ? data[1] : intc_prio_data(desc, d, enum_id, 1);
+
+ if (!data[primary])
+ primary ^= 1;
+
+ BUG_ON(!data[primary]); /* must have primary masking method */
+
+ disable_irq_nosync(irq);
+ set_irq_chip_and_handler_name(irq, &d->chip,
+ handle_level_irq, "level");
+ set_irq_chip_data(irq, (void *)data[primary]);
+
+ /* set priority level
+ * - this needs to be at least 2 for 5-bit priorities on 7780
+ */
+ intc_prio_level[irq] = 2;
+
+ /* enable secondary masking method if present */
+ if (data[!primary])
+ _intc_enable(irq, data[!primary]);
+
+ /* add irq to d->prio list if priority is available */
+ if (data[1]) {
+ hp = d->prio + d->nr_prio;
+ hp->irq = irq;
+ hp->handle = data[1];
+
+ if (primary) {
+ /*
+ * only secondary priority should access registers, so
+ * set _INTC_FN(h) = REG_FN_ERR for intc_set_priority()
+ */
+
+ hp->handle &= ~_INTC_MK(0x0f, 0, 0, 0, 0, 0);
+ hp->handle |= _INTC_MK(REG_FN_ERR, 0, 0, 0, 0, 0);
+ }
+ d->nr_prio++;
+ }
+
+ /* add irq to d->sense list if sense is available */
+ data[0] = intc_sense_data(desc, d, enum_id);
+ if (data[0]) {
+ (d->sense + d->nr_sense)->irq = irq;
+ (d->sense + d->nr_sense)->handle = data[0];
+ d->nr_sense++;
+ }
+
+ /* irq should be disabled by default */
+ d->chip.mask(irq);
+
+#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
+ if (desc->ack_regs)
+ ack_handle[irq] = intc_ack_data(desc, d, enum_id);
+#endif
+}
+
+static unsigned int __init save_reg(struct intc_desc_int *d,
+ unsigned int cnt,
+ unsigned long value,
+ unsigned int smp)
+{
+ if (value) {
+ d->reg[cnt] = value;
+#ifdef CONFIG_SMP
+ d->smp[cnt] = smp;
+#endif
+ return 1;
+ }
+
+ return 0;
+}
+
+
+void __init register_intc_controller(struct intc_desc *desc)
+{
+ unsigned int i, k, smp;
+ struct intc_desc_int *d;
+
+ d = alloc_bootmem(sizeof(*d));
+
+ d->nr_reg = desc->mask_regs ? desc->nr_mask_regs * 2 : 0;
+ d->nr_reg += desc->prio_regs ? desc->nr_prio_regs * 2 : 0;
+ d->nr_reg += desc->sense_regs ? desc->nr_sense_regs : 0;
+
+#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
+ d->nr_reg += desc->ack_regs ? desc->nr_ack_regs : 0;
+#endif
+ d->reg = alloc_bootmem(d->nr_reg * sizeof(*d->reg));
+#ifdef CONFIG_SMP
+ d->smp = alloc_bootmem(d->nr_reg * sizeof(*d->smp));
+#endif
+ k = 0;
+
+ if (desc->mask_regs) {
+ for (i = 0; i < desc->nr_mask_regs; i++) {
+ smp = IS_SMP(desc->mask_regs[i]);
+ k += save_reg(d, k, desc->mask_regs[i].set_reg, smp);
+ k += save_reg(d, k, desc->mask_regs[i].clr_reg, smp);
+ }
+ }
+
+ if (desc->prio_regs) {
+ d->prio = alloc_bootmem(desc->nr_vectors * sizeof(*d->prio));
+
+ for (i = 0; i < desc->nr_prio_regs; i++) {
+ smp = IS_SMP(desc->prio_regs[i]);
+ k += save_reg(d, k, desc->prio_regs[i].set_reg, smp);
+ k += save_reg(d, k, desc->prio_regs[i].clr_reg, smp);
+ }
+ }
+
+ if (desc->sense_regs) {
+ d->sense = alloc_bootmem(desc->nr_vectors * sizeof(*d->sense));
+
+ for (i = 0; i < desc->nr_sense_regs; i++) {
+ k += save_reg(d, k, desc->sense_regs[i].reg, 0);
+ }
+ }
+
+ d->chip.name = desc->name;
+ d->chip.mask = intc_disable;
+ d->chip.unmask = intc_enable;
+ d->chip.mask_ack = intc_disable;
+ d->chip.set_type = intc_set_sense;
+
+#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
+ if (desc->ack_regs) {
+ for (i = 0; i < desc->nr_ack_regs; i++)
+ k += save_reg(d, k, desc->ack_regs[i].set_reg, 0);
+
+ d->chip.mask_ack = intc_mask_ack;
+ }
+#endif
+
+ BUG_ON(k > 256); /* _INTC_ADDR_E() and _INTC_ADDR_D() are 8 bits */
+
+ for (i = 0; i < desc->nr_vectors; i++) {
+ struct intc_vect *vect = desc->vectors + i;
+
+ intc_register_irq(desc, d, vect->enum_id, evt2irq(vect->vect));
+ }
+}
diff --git a/drivers/staging/go7007/Kconfig b/drivers/staging/go7007/Kconfig
index 57a121c338c..593fdb767aa 100644
--- a/drivers/staging/go7007/Kconfig
+++ b/drivers/staging/go7007/Kconfig
@@ -1,10 +1,12 @@
config VIDEO_GO7007
tristate "Go 7007 support"
depends on VIDEO_DEV && PCI && I2C && INPUT
+ depends on SND
select VIDEOBUF_DMA_SG
select VIDEO_IR
select VIDEO_TUNER
select VIDEO_TVEEPROM
+ select SND_PCM
select CRC32
default N
---help---
diff --git a/drivers/staging/sxg/Kconfig b/drivers/staging/sxg/Kconfig
index 1ae35080660..6e6cf0b9ef9 100644
--- a/drivers/staging/sxg/Kconfig
+++ b/drivers/staging/sxg/Kconfig
@@ -1,6 +1,7 @@
config SXG
tristate "Alacritech SLIC Technology Non-Accelerated 10Gbe support"
depends on PCI && NETDEV_10000
+ depends on X86
default n
help
This driver supports the Alacritech SLIC Technology Non-Accelerated
diff --git a/drivers/telephony/phonedev.c b/drivers/telephony/phonedev.c
index 4d74ba36c3a..37caf4d6903 100644
--- a/drivers/telephony/phonedev.c
+++ b/drivers/telephony/phonedev.c
@@ -54,7 +54,6 @@ static int phone_open(struct inode *inode, struct file *file)
if (minor >= PHONE_NUM_DEVICES)
return -ENODEV;
- lock_kernel();
mutex_lock(&phone_lock);
p = phone_device[minor];
if (p)
@@ -81,7 +80,6 @@ static int phone_open(struct inode *inode, struct file *file)
fops_put(old_fops);
end:
mutex_unlock(&phone_lock);
- unlock_kernel();
return err;
}
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 5dccf057a7d..f9b4647255a 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -47,6 +47,9 @@ static struct uio_class {
struct class *class;
} *uio_class;
+/* Protect idr accesses */
+static DEFINE_MUTEX(minor_lock);
+
/*
* attributes
*/
@@ -239,7 +242,6 @@ static void uio_dev_del_attributes(struct uio_device *idev)
static int uio_get_minor(struct uio_device *idev)
{
- static DEFINE_MUTEX(minor_lock);
int retval = -ENOMEM;
int id;
@@ -261,7 +263,9 @@ exit:
static void uio_free_minor(struct uio_device *idev)
{
+ mutex_lock(&minor_lock);
idr_remove(&uio_idr, idev->minor);
+ mutex_unlock(&minor_lock);
}
/**
@@ -305,8 +309,9 @@ static int uio_open(struct inode *inode, struct file *filep)
struct uio_listener *listener;
int ret = 0;
- lock_kernel();
+ mutex_lock(&minor_lock);
idev = idr_find(&uio_idr, iminor(inode));
+ mutex_unlock(&minor_lock);
if (!idev) {
ret = -ENODEV;
goto out;
@@ -332,18 +337,15 @@ static int uio_open(struct inode *inode, struct file *filep)
if (ret)
goto err_infoopen;
}
- unlock_kernel();
return 0;
err_infoopen:
-
kfree(listener);
-err_alloc_listener:
+err_alloc_listener:
module_put(idev->owner);
out:
- unlock_kernel();
return ret;
}
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index d343afacb0b..15a803b206b 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1111,8 +1111,8 @@ clean0:
#ifdef DEBUG
debugfs_remove(ehci_debug_root);
ehci_debug_root = NULL;
-#endif
err_debug:
+#endif
clear_bit(USB_EHCI_LOADED, &usb_hcds_loaded);
return retval;
}
diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c
index 6fa0b9d5559..d4cfed0b26d 100644
--- a/drivers/video/backlight/hp680_bl.c
+++ b/drivers/video/backlight/hp680_bl.c
@@ -19,7 +19,7 @@
#include <linux/backlight.h>
#include <cpu/dac.h>
-#include <asm/hp6xx.h>
+#include <mach/hp6xx.h>
#include <asm/hd64461.h>
#define HP680_MAX_INTENSITY 255
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 217c5118ae9..cd5f20da738 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1002,101 +1002,132 @@ fb_blank(struct fb_info *info, int blank)
return ret;
}
-static int
-fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
+static long
+fb_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
+ struct inode *inode = file->f_path.dentry->d_inode;
int fbidx = iminor(inode);
- struct fb_info *info = registered_fb[fbidx];
- struct fb_ops *fb = info->fbops;
+ struct fb_info *info;
+ struct fb_ops *fb;
struct fb_var_screeninfo var;
struct fb_fix_screeninfo fix;
struct fb_con2fbmap con2fb;
struct fb_cmap_user cmap;
struct fb_event event;
void __user *argp = (void __user *)arg;
- int i;
-
- if (!fb)
+ long ret = 0;
+
+ info = registered_fb[fbidx];
+ mutex_lock(&info->lock);
+ fb = info->fbops;
+
+ if (!fb) {
+ mutex_unlock(&info->lock);
return -ENODEV;
+ }
switch (cmd) {
case FBIOGET_VSCREENINFO:
- return copy_to_user(argp, &info->var,
+ ret = copy_to_user(argp, &info->var,
sizeof(var)) ? -EFAULT : 0;
+ break;
case FBIOPUT_VSCREENINFO:
- if (copy_from_user(&var, argp, sizeof(var)))
- return -EFAULT;
+ if (copy_from_user(&var, argp, sizeof(var))) {
+ ret = -EFAULT;
+ break;
+ }
acquire_console_sem();
info->flags |= FBINFO_MISC_USEREVENT;
- i = fb_set_var(info, &var);
+ ret = fb_set_var(info, &var);
info->flags &= ~FBINFO_MISC_USEREVENT;
release_console_sem();
- if (i) return i;
- if (copy_to_user(argp, &var, sizeof(var)))
- return -EFAULT;
- return 0;
+ if (ret == 0 && copy_to_user(argp, &var, sizeof(var)))
+ ret = -EFAULT;
+ break;
case FBIOGET_FSCREENINFO:
- return copy_to_user(argp, &info->fix,
+ ret = copy_to_user(argp, &info->fix,
sizeof(fix)) ? -EFAULT : 0;
+ break;
case FBIOPUTCMAP:
if (copy_from_user(&cmap, argp, sizeof(cmap)))
- return -EFAULT;
- return (fb_set_user_cmap(&cmap, info));
+ ret = -EFAULT;
+ else
+ ret = fb_set_user_cmap(&cmap, info);
+ break;
case FBIOGETCMAP:
if (copy_from_user(&cmap, argp, sizeof(cmap)))
- return -EFAULT;
- return fb_cmap_to_user(&info->cmap, &cmap);
+ ret = -EFAULT;
+ else
+ ret = fb_cmap_to_user(&info->cmap, &cmap);
+ break;
case FBIOPAN_DISPLAY:
- if (copy_from_user(&var, argp, sizeof(var)))
- return -EFAULT;
+ if (copy_from_user(&var, argp, sizeof(var))) {
+ ret = -EFAULT;
+ break;
+ }
acquire_console_sem();
- i = fb_pan_display(info, &var);
+ ret = fb_pan_display(info, &var);
release_console_sem();
- if (i)
- return i;
- if (copy_to_user(argp, &var, sizeof(var)))
- return -EFAULT;
- return 0;
+ if (ret == 0 && copy_to_user(argp, &var, sizeof(var)))
+ ret = -EFAULT;
+ break;
case FBIO_CURSOR:
- return -EINVAL;
+ ret = -EINVAL;
+ break;
case FBIOGET_CON2FBMAP:
if (copy_from_user(&con2fb, argp, sizeof(con2fb)))
- return -EFAULT;
- if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES)
- return -EINVAL;
- con2fb.framebuffer = -1;
- event.info = info;
- event.data = &con2fb;
- fb_notifier_call_chain(FB_EVENT_GET_CONSOLE_MAP, &event);
- return copy_to_user(argp, &con2fb,
+ ret = -EFAULT;
+ else if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES)
+ ret = -EINVAL;
+ else {
+ con2fb.framebuffer = -1;
+ event.info = info;
+ event.data = &con2fb;
+ fb_notifier_call_chain(FB_EVENT_GET_CONSOLE_MAP,
+ &event);
+ ret = copy_to_user(argp, &con2fb,
sizeof(con2fb)) ? -EFAULT : 0;
+ }
+ break;
case FBIOPUT_CON2FBMAP:
- if (copy_from_user(&con2fb, argp, sizeof(con2fb)))
- return - EFAULT;
- if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES)
- return -EINVAL;
- if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX)
- return -EINVAL;
- if (!registered_fb[con2fb.framebuffer])
- request_module("fb%d", con2fb.framebuffer);
+ if (copy_from_user(&con2fb, argp, sizeof(con2fb))) {
+ ret = -EFAULT;
+ break;
+ }
+ if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES) {
+ ret = -EINVAL;
+ break;
+ }
+ if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX) {
+ ret = -EINVAL;
+ break;
+ }
if (!registered_fb[con2fb.framebuffer])
- return -EINVAL;
+ request_module("fb%d", con2fb.framebuffer);
+ if (!registered_fb[con2fb.framebuffer]) {
+ ret = -EINVAL;
+ break;
+ }
event.info = info;
event.data = &con2fb;
- return fb_notifier_call_chain(FB_EVENT_SET_CONSOLE_MAP,
+ ret = fb_notifier_call_chain(FB_EVENT_SET_CONSOLE_MAP,
&event);
+ break;
case FBIOBLANK:
acquire_console_sem();
info->flags |= FBINFO_MISC_USEREVENT;
- i = fb_blank(info, arg);
+ ret = fb_blank(info, arg);
info->flags &= ~FBINFO_MISC_USEREVENT;
release_console_sem();
- return i;
+ break;;
default:
if (fb->fb_ioctl == NULL)
- return -EINVAL;
- return fb->fb_ioctl(info, cmd, arg);
+ ret = -ENOTTY;
+ else
+ ret = fb->fb_ioctl(info, cmd, arg);
}
+ mutex_unlock(&info->lock);
+ return ret;
}
#ifdef CONFIG_COMPAT
@@ -1150,7 +1181,7 @@ static int fb_getput_cmap(struct inode *inode, struct file *file,
put_user(compat_ptr(data), &cmap->transp))
return -EFAULT;
- err = fb_ioctl(inode, file, cmd, (unsigned long) cmap);
+ err = fb_ioctl(file, cmd, (unsigned long) cmap);
if (!err) {
if (copy_in_user(&cmap32->start,
@@ -1204,7 +1235,7 @@ static int fb_get_fscreeninfo(struct inode *inode, struct file *file,
old_fs = get_fs();
set_fs(KERNEL_DS);
- err = fb_ioctl(inode, file, cmd, (unsigned long) &fix);
+ err = fb_ioctl(file, cmd, (unsigned long) &fix);
set_fs(old_fs);
if (!err)
@@ -1222,7 +1253,7 @@ fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
struct fb_ops *fb = info->fbops;
long ret = -ENOIOCTLCMD;
- lock_kernel();
+ mutex_lock(&info->lock);
switch(cmd) {
case FBIOGET_VSCREENINFO:
case FBIOPUT_VSCREENINFO:
@@ -1231,7 +1262,7 @@ fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case FBIOPUT_CON2FBMAP:
arg = (unsigned long) compat_ptr(arg);
case FBIOBLANK:
- ret = fb_ioctl(inode, file, cmd, arg);
+ ret = fb_ioctl(file, cmd, arg);
break;
case FBIOGET_FSCREENINFO:
@@ -1248,7 +1279,7 @@ fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
ret = fb->fb_compat_ioctl(info, cmd, arg);
break;
}
- unlock_kernel();
+ mutex_unlock(&info->lock);
return ret;
}
#endif
@@ -1270,13 +1301,13 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
return -ENODEV;
if (fb->fb_mmap) {
int res;
- lock_kernel();
+ mutex_lock(&info->lock);
res = fb->fb_mmap(info, vma);
- unlock_kernel();
+ mutex_unlock(&info->lock);
return res;
}
- lock_kernel();
+ mutex_lock(&info->lock);
/* frame buffer memory */
start = info->fix.smem_start;
@@ -1285,13 +1316,13 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
/* memory mapped io */
off -= len;
if (info->var.accel_flags) {
- unlock_kernel();
+ mutex_unlock(&info->lock);
return -EINVAL;
}
start = info->fix.mmio_start;
len = PAGE_ALIGN((start & ~PAGE_MASK) + info->fix.mmio_len);
}
- unlock_kernel();
+ mutex_unlock(&info->lock);
start &= PAGE_MASK;
if ((vma->vm_end - vma->vm_start + off) > len)
return -EINVAL;
@@ -1315,13 +1346,13 @@ fb_open(struct inode *inode, struct file *file)
if (fbidx >= FB_MAX)
return -ENODEV;
- lock_kernel();
- if (!(info = registered_fb[fbidx]))
+ info = registered_fb[fbidx];
+ if (!info)
request_module("fb%d", fbidx);
- if (!(info = registered_fb[fbidx])) {
- res = -ENODEV;
- goto out;
- }
+ info = registered_fb[fbidx];
+ if (!info)
+ return -ENODEV;
+ mutex_lock(&info->lock);
if (!try_module_get(info->fbops->owner)) {
res = -ENODEV;
goto out;
@@ -1337,7 +1368,7 @@ fb_open(struct inode *inode, struct file *file)
fb_deferred_io_open(info, inode, file);
#endif
out:
- unlock_kernel();
+ mutex_unlock(&info->lock);
return res;
}
@@ -1346,11 +1377,11 @@ fb_release(struct inode *inode, struct file *file)
{
struct fb_info * const info = file->private_data;
- lock_kernel();
+ mutex_lock(&info->lock);
if (info->fbops->fb_release)
info->fbops->fb_release(info,1);
module_put(info->fbops->owner);
- unlock_kernel();
+ mutex_unlock(&info->lock);
return 0;
}
@@ -1358,7 +1389,7 @@ static const struct file_operations fb_fops = {
.owner = THIS_MODULE,
.read = fb_read,
.write = fb_write,
- .ioctl = fb_ioctl,
+ .unlocked_ioctl = fb_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = fb_compat_ioctl,
#endif
@@ -1429,6 +1460,7 @@ register_framebuffer(struct fb_info *fb_info)
if (!registered_fb[i])
break;
fb_info->node = i;
+ mutex_init(&fb_info->lock);
fb_info->dev = device_create(fb_class, fb_info->device,
MKDEV(FB_MAJOR, i), NULL, "fb%d", i);
diff --git a/drivers/video/imacfb.c b/drivers/video/imacfb.c
deleted file mode 100644
index e69de29bb2d..00000000000
--- a/drivers/video/imacfb.c
+++ /dev/null
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 4c32c06579a..efff672fd7b 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -16,7 +16,7 @@
#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
-#include <asm/sh_mobile_lcdc.h>
+#include <video/sh_mobile_lcdc.h>
#define PALETTE_NR 16
@@ -34,7 +34,9 @@ struct sh_mobile_lcdc_chan {
struct sh_mobile_lcdc_priv {
void __iomem *base;
+#ifdef CONFIG_HAVE_CLK
struct clk *clk;
+#endif
unsigned long lddckr;
struct sh_mobile_lcdc_chan ch[2];
};
@@ -260,6 +262,11 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
tmp = ch->ldmt1r_value;
tmp |= (lcd_cfg->sync & FB_SYNC_VERT_HIGH_ACT) ? 0 : 1 << 28;
tmp |= (lcd_cfg->sync & FB_SYNC_HOR_HIGH_ACT) ? 0 : 1 << 27;
+ tmp |= (ch->cfg.flags & LCDC_FLAGS_DWPOL) ? 1 << 26 : 0;
+ tmp |= (ch->cfg.flags & LCDC_FLAGS_DIPOL) ? 1 << 25 : 0;
+ tmp |= (ch->cfg.flags & LCDC_FLAGS_DAPOL) ? 1 << 24 : 0;
+ tmp |= (ch->cfg.flags & LCDC_FLAGS_HSCNT) ? 1 << 17 : 0;
+ tmp |= (ch->cfg.flags & LCDC_FLAGS_DWCNT) ? 1 << 16 : 0;
lcdc_write_chan(ch, LDMT1R, tmp);
/* setup SYS bus */
@@ -422,6 +429,7 @@ static int sh_mobile_lcdc_setup_clocks(struct device *dev, int clock_source,
priv->lddckr = icksel << 16;
+#ifdef CONFIG_HAVE_CLK
if (str) {
priv->clk = clk_get(dev, str);
if (IS_ERR(priv->clk)) {
@@ -431,6 +439,7 @@ static int sh_mobile_lcdc_setup_clocks(struct device *dev, int clock_source,
clk_enable(priv->clk);
}
+#endif
return 0;
}
@@ -585,7 +594,6 @@ static int __init sh_mobile_lcdc_probe(struct platform_device *pdev)
goto err1;
}
- priv->lddckr = pdata->lddckr;
priv->base = ioremap_nocache(res->start, (res->end - res->start) + 1);
for (i = 0; i < j; i++) {
@@ -688,10 +696,12 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
fb_dealloc_cmap(&info->cmap);
}
+#ifdef CONFIG_HAVE_CLK
if (priv->clk) {
clk_disable(priv->clk);
clk_put(priv->clk);
}
+#endif
if (priv->base)
iounmap(priv->base);
diff --git a/drivers/w1/slaves/w1_ds2760.c b/drivers/w1/slaves/w1_ds2760.c
index ed6b0576208..1f09d4e4144 100644
--- a/drivers/w1/slaves/w1_ds2760.c
+++ b/drivers/w1/slaves/w1_ds2760.c
@@ -80,7 +80,6 @@ static struct bin_attribute w1_ds2760_bin_attr = {
.attr = {
.name = "w1_slave",
.mode = S_IRUGO,
- .owner = THIS_MODULE,
},
.size = DS2760_DATA_SIZE,
.read = w1_ds2760_read_bin,
diff --git a/drivers/watchdog/ib700wdt.c b/drivers/watchdog/ib700wdt.c
index 05a28106e8e..8782ec1f5aa 100644
--- a/drivers/watchdog/ib700wdt.c
+++ b/drivers/watchdog/ib700wdt.c
@@ -154,7 +154,7 @@ static int ibwdt_set_heartbeat(int t)
return -EINVAL;
for (i = 0x0F; i > -1; i--)
- if (wd_times[i] > t)
+ if (wd_times[i] >= t)
break;
wd_margin = i;
return 0;
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index c3290bc186a..9ce1ab6c268 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -125,7 +125,7 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu)
BUG_ON(irq == -1);
#ifdef CONFIG_SMP
- irq_desc[irq].affinity = cpumask_of_cpu(cpu);
+ irq_to_desc(irq)->affinity = cpumask_of_cpu(cpu);
#endif
__clear_bit(chn, cpu_evtchn_mask[cpu_evtchn[chn]]);
@@ -137,10 +137,12 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu)
static void init_evtchn_cpu_bindings(void)
{
#ifdef CONFIG_SMP
+ struct irq_desc *desc;
int i;
+
/* By default all event channels notify CPU#0. */
- for (i = 0; i < NR_IRQS; i++)
- irq_desc[i].affinity = cpumask_of_cpu(0);
+ for_each_irq_desc(i, desc)
+ desc->affinity = cpumask_of_cpu(0);
#endif
memset(cpu_evtchn, 0, sizeof(cpu_evtchn));
@@ -229,12 +231,12 @@ static int find_unbound_irq(void)
int irq;
/* Only allocate from dynirq range */
- for (irq = 0; irq < NR_IRQS; irq++)
+ for_each_irq_nr(irq)
if (irq_bindcount[irq] == 0)
break;
- if (irq == NR_IRQS)
- panic("No available IRQ to bind to: increase NR_IRQS!\n");
+ if (irq == nr_irqs)
+ panic("No available IRQ to bind to: increase nr_irqs!\n");
return irq;
}
@@ -790,7 +792,7 @@ void xen_irq_resume(void)
mask_evtchn(evtchn);
/* No IRQ <-> event-channel mappings. */
- for (irq = 0; irq < NR_IRQS; irq++)
+ for_each_irq_nr(irq)
irq_info[irq].evtchn = 0; /* zap event-channel binding */
for (evtchn = 0; evtchn < NR_EVENT_CHANNELS; evtchn++)
@@ -822,7 +824,7 @@ void __init xen_init_IRQ(void)
mask_evtchn(i);
/* Dynamic IRQ space is currently unbound. Zero the refcnts. */
- for (i = 0; i < NR_IRQS; i++)
+ for_each_irq_nr(i)
irq_bindcount[i] = 0;
irq_ctx_init(smp_processor_id());