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-rw-r--r--drivers/ide/Kconfig12
-rw-r--r--drivers/ide/Makefile1
-rw-r--r--drivers/ide/amd74xx.c2
-rw-r--r--drivers/ide/atiixp.c4
-rw-r--r--drivers/ide/cs5536.c308
-rw-r--r--drivers/ide/falconide.c2
-rw-r--r--drivers/ide/icside.c2
-rw-r--r--drivers/ide/ide-acpi.c2
-rw-r--r--drivers/ide/ide-cd.c38
-rw-r--r--drivers/ide/ide-cd.h2
-rw-r--r--drivers/ide/ide-gd.c26
-rw-r--r--drivers/ide/ide-gd.h2
-rw-r--r--drivers/ide/ide-io.c9
-rw-r--r--drivers/ide/ide-probe.c46
-rw-r--r--drivers/ide/ide-tape.c29
-rw-r--r--drivers/ide/ide.c11
-rw-r--r--drivers/ide/it821x.c5
-rw-r--r--drivers/ide/palm_bk3710.c11
-rw-r--r--drivers/ide/qd65xx.c2
-rw-r--r--drivers/ide/qd65xx.h2
-rw-r--r--drivers/ide/tx4939ide.c4
-rw-r--r--drivers/ide/via82cxxx.c5
22 files changed, 461 insertions, 64 deletions
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index b1c6f68d98c..e072903b12f 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -46,7 +46,7 @@ menuconfig IDE
SMART parameters from disk drives.
To compile this driver as a module, choose M here: the
- module will be called ide.
+ module will be called ide-core.ko.
For further information, please read <file:Documentation/ide/ide.txt>.
@@ -465,6 +465,16 @@ config BLK_DEV_CS5535
It is safe to say Y to this question.
+config BLK_DEV_CS5536
+ tristate "CS5536 chipset support"
+ depends on X86_32
+ select BLK_DEV_IDEDMA_PCI
+ help
+ This option enables support for the AMD CS5536
+ companion chip used with the Geode LX processor family.
+
+ 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 c2b9c93f009..d0e3d7d5b46 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -43,6 +43,7 @@ obj-$(CONFIG_BLK_DEV_CMD64X) += cmd64x.o
obj-$(CONFIG_BLK_DEV_CS5520) += cs5520.o
obj-$(CONFIG_BLK_DEV_CS5530) += cs5530.o
obj-$(CONFIG_BLK_DEV_CS5535) += cs5535.o
+obj-$(CONFIG_BLK_DEV_CS5536) += cs5536.o
obj-$(CONFIG_BLK_DEV_SC1200) += sc1200.o
obj-$(CONFIG_BLK_DEV_CY82C693) += cy82c693.o
obj-$(CONFIG_BLK_DEV_DELKIN) += delkin_cb.o
diff --git a/drivers/ide/amd74xx.c b/drivers/ide/amd74xx.c
index 69660a431cd..77267c85996 100644
--- a/drivers/ide/amd74xx.c
+++ b/drivers/ide/amd74xx.c
@@ -166,7 +166,7 @@ static unsigned int init_chipset_amd74xx(struct pci_dev *dev)
* Check for broken FIFO support.
*/
if (dev->vendor == PCI_VENDOR_ID_AMD &&
- dev->vendor == PCI_DEVICE_ID_AMD_VIPER_7411)
+ dev->device == PCI_DEVICE_ID_AMD_VIPER_7411)
t &= 0x0f;
else
t |= 0xf0;
diff --git a/drivers/ide/atiixp.c b/drivers/ide/atiixp.c
index b2735d28f5c..ecd1e62ca91 100644
--- a/drivers/ide/atiixp.c
+++ b/drivers/ide/atiixp.c
@@ -52,7 +52,7 @@ static void atiixp_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
unsigned long flags;
- int timing_shift = (drive->dn & 2) ? 16 : 0 + (drive->dn & 1) ? 0 : 8;
+ int timing_shift = (drive->dn ^ 1) * 8;
u32 pio_timing_data;
u16 pio_mode_data;
@@ -85,7 +85,7 @@ static void atiixp_set_dma_mode(ide_drive_t *drive, const u8 speed)
{
struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
unsigned long flags;
- int timing_shift = (drive->dn & 2) ? 16 : 0 + (drive->dn & 1) ? 0 : 8;
+ int timing_shift = (drive->dn ^ 1) * 8;
u32 tmp32;
u16 tmp16;
u16 udma_ctl = 0;
diff --git a/drivers/ide/cs5536.c b/drivers/ide/cs5536.c
new file mode 100644
index 00000000000..7a62db719a4
--- /dev/null
+++ b/drivers/ide/cs5536.c
@@ -0,0 +1,308 @@
+/*
+ * CS5536 PATA support
+ * (C) 2007 Martin K. Petersen <mkp@mkp.net>
+ * (C) 2009 Bartlomiej Zolnierkiewicz
+ *
+ * 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; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Documentation:
+ * Available from AMD web site.
+ *
+ * The IDE timing registers for the CS5536 live in the Geode Machine
+ * Specific Register file and not PCI config space. Most BIOSes
+ * virtualize the PCI registers so the chip looks like a standard IDE
+ * controller. Unfortunately not all implementations get this right.
+ * In particular some have problems with unaligned accesses to the
+ * virtualized PCI registers. This driver always does full dword
+ * writes to work around the issue. Also, in case of a bad BIOS this
+ * driver can be loaded with the "msr=1" parameter which forces using
+ * the Machine Specific Registers to configure the device.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/ide.h>
+#include <asm/msr.h>
+
+#define DRV_NAME "cs5536"
+
+enum {
+ MSR_IDE_CFG = 0x51300010,
+ PCI_IDE_CFG = 0x40,
+
+ CFG = 0,
+ DTC = 2,
+ CAST = 3,
+ ETC = 4,
+
+ IDE_CFG_CHANEN = (1 << 1),
+ IDE_CFG_CABLE = (1 << 17) | (1 << 16),
+
+ IDE_D0_SHIFT = 24,
+ IDE_D1_SHIFT = 16,
+ IDE_DRV_MASK = 0xff,
+
+ IDE_CAST_D0_SHIFT = 6,
+ IDE_CAST_D1_SHIFT = 4,
+ IDE_CAST_DRV_MASK = 0x3,
+
+ IDE_CAST_CMD_SHIFT = 24,
+ IDE_CAST_CMD_MASK = 0xff,
+
+ IDE_ETC_UDMA_MASK = 0xc0,
+};
+
+static int use_msr;
+
+static int cs5536_read(struct pci_dev *pdev, int reg, u32 *val)
+{
+ if (unlikely(use_msr)) {
+ u32 dummy;
+
+ rdmsr(MSR_IDE_CFG + reg, *val, dummy);
+ return 0;
+ }
+
+ return pci_read_config_dword(pdev, PCI_IDE_CFG + reg * 4, val);
+}
+
+static int cs5536_write(struct pci_dev *pdev, int reg, int val)
+{
+ if (unlikely(use_msr)) {
+ wrmsr(MSR_IDE_CFG + reg, val, 0);
+ return 0;
+ }
+
+ return pci_write_config_dword(pdev, PCI_IDE_CFG + reg * 4, val);
+}
+
+static void cs5536_program_dtc(ide_drive_t *drive, u8 tim)
+{
+ struct pci_dev *pdev = to_pci_dev(drive->hwif->dev);
+ int dshift = (drive->dn & 1) ? IDE_D1_SHIFT : IDE_D0_SHIFT;
+ u32 dtc;
+
+ cs5536_read(pdev, DTC, &dtc);
+ dtc &= ~(IDE_DRV_MASK << dshift);
+ dtc |= tim << dshift;
+ cs5536_write(pdev, DTC, dtc);
+}
+
+/**
+ * cs5536_cable_detect - detect cable type
+ * @hwif: Port to detect on
+ *
+ * Perform cable detection for ATA66 capable cable.
+ *
+ * Returns a cable type.
+ */
+
+static u8 cs5536_cable_detect(ide_hwif_t *hwif)
+{
+ struct pci_dev *pdev = to_pci_dev(hwif->dev);
+ u32 cfg;
+
+ cs5536_read(pdev, CFG, &cfg);
+
+ if (cfg & IDE_CFG_CABLE)
+ return ATA_CBL_PATA80;
+ else
+ return ATA_CBL_PATA40;
+}
+
+/**
+ * cs5536_set_pio_mode - PIO timing setup
+ * @drive: ATA device
+ * @pio: PIO mode number
+ */
+
+static void cs5536_set_pio_mode(ide_drive_t *drive, const u8 pio)
+{
+ static const u8 drv_timings[5] = {
+ 0x98, 0x55, 0x32, 0x21, 0x20,
+ };
+
+ static const u8 addr_timings[5] = {
+ 0x2, 0x1, 0x0, 0x0, 0x0,
+ };
+
+ static const u8 cmd_timings[5] = {
+ 0x99, 0x92, 0x90, 0x22, 0x20,
+ };
+
+ struct pci_dev *pdev = to_pci_dev(drive->hwif->dev);
+ ide_drive_t *pair = ide_get_pair_dev(drive);
+ int cshift = (drive->dn & 1) ? IDE_CAST_D1_SHIFT : IDE_CAST_D0_SHIFT;
+ u32 cast;
+ u8 cmd_pio = pio;
+
+ if (pair)
+ cmd_pio = min(pio, ide_get_best_pio_mode(pair, 255, 4));
+
+ drive->drive_data &= (IDE_DRV_MASK << 8);
+ drive->drive_data |= drv_timings[pio];
+
+ cs5536_program_dtc(drive, drv_timings[pio]);
+
+ cs5536_read(pdev, CAST, &cast);
+
+ cast &= ~(IDE_CAST_DRV_MASK << cshift);
+ cast |= addr_timings[pio] << cshift;
+
+ cast &= ~(IDE_CAST_CMD_MASK << IDE_CAST_CMD_SHIFT);
+ cast |= cmd_timings[cmd_pio] << IDE_CAST_CMD_SHIFT;
+
+ cs5536_write(pdev, CAST, cast);
+}
+
+/**
+ * cs5536_set_dma_mode - DMA timing setup
+ * @drive: ATA device
+ * @mode: DMA mode
+ */
+
+static void cs5536_set_dma_mode(ide_drive_t *drive, const u8 mode)
+{
+ static const u8 udma_timings[6] = {
+ 0xc2, 0xc1, 0xc0, 0xc4, 0xc5, 0xc6,
+ };
+
+ static const u8 mwdma_timings[3] = {
+ 0x67, 0x21, 0x20,
+ };
+
+ struct pci_dev *pdev = to_pci_dev(drive->hwif->dev);
+ int dshift = (drive->dn & 1) ? IDE_D1_SHIFT : IDE_D0_SHIFT;
+ u32 etc;
+
+ cs5536_read(pdev, ETC, &etc);
+
+ if (mode >= XFER_UDMA_0) {
+ etc &= ~(IDE_DRV_MASK << dshift);
+ etc |= udma_timings[mode - XFER_UDMA_0] << dshift;
+ } else { /* MWDMA */
+ etc &= ~(IDE_ETC_UDMA_MASK << dshift);
+ drive->drive_data &= IDE_DRV_MASK;
+ drive->drive_data |= mwdma_timings[mode - XFER_MW_DMA_0] << 8;
+ }
+
+ cs5536_write(pdev, ETC, etc);
+}
+
+static void cs5536_dma_start(ide_drive_t *drive)
+{
+ if (drive->current_speed < XFER_UDMA_0 &&
+ (drive->drive_data >> 8) != (drive->drive_data & IDE_DRV_MASK))
+ cs5536_program_dtc(drive, drive->drive_data >> 8);
+
+ ide_dma_start(drive);
+}
+
+static int cs5536_dma_end(ide_drive_t *drive)
+{
+ int ret = ide_dma_end(drive);
+
+ if (drive->current_speed < XFER_UDMA_0 &&
+ (drive->drive_data >> 8) != (drive->drive_data & IDE_DRV_MASK))
+ cs5536_program_dtc(drive, drive->drive_data & IDE_DRV_MASK);
+
+ return ret;
+}
+
+static const struct ide_port_ops cs5536_port_ops = {
+ .set_pio_mode = cs5536_set_pio_mode,
+ .set_dma_mode = cs5536_set_dma_mode,
+ .cable_detect = cs5536_cable_detect,
+};
+
+static const struct ide_dma_ops cs5536_dma_ops = {
+ .dma_host_set = ide_dma_host_set,
+ .dma_setup = ide_dma_setup,
+ .dma_exec_cmd = ide_dma_exec_cmd,
+ .dma_start = cs5536_dma_start,
+ .dma_end = cs5536_dma_end,
+ .dma_test_irq = ide_dma_test_irq,
+ .dma_lost_irq = ide_dma_lost_irq,
+ .dma_timeout = ide_dma_timeout,
+};
+
+static const struct ide_port_info cs5536_info = {
+ .name = DRV_NAME,
+ .port_ops = &cs5536_port_ops,
+ .dma_ops = &cs5536_dma_ops,
+ .host_flags = IDE_HFLAG_SINGLE,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2,
+ .udma_mask = ATA_UDMA5,
+};
+
+/**
+ * cs5536_init_one
+ * @dev: PCI device
+ * @id: Entry in match table
+ */
+
+static int cs5536_init_one(struct pci_dev *dev, const struct pci_device_id *id)
+{
+ u32 cfg;
+
+ if (use_msr)
+ printk(KERN_INFO DRV_NAME ": Using MSR regs instead of PCI\n");
+
+ cs5536_read(dev, CFG, &cfg);
+
+ if ((cfg & IDE_CFG_CHANEN) == 0) {
+ printk(KERN_ERR DRV_NAME ": disabled by BIOS\n");
+ return -ENODEV;
+ }
+
+ return ide_pci_init_one(dev, &cs5536_info, NULL);
+}
+
+static const struct pci_device_id cs5536_pci_tbl[] = {
+ { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_IDE), },
+ { },
+};
+
+static struct pci_driver cs5536_pci_driver = {
+ .name = DRV_NAME,
+ .id_table = cs5536_pci_tbl,
+ .probe = cs5536_init_one,
+ .remove = ide_pci_remove,
+ .suspend = ide_pci_suspend,
+ .resume = ide_pci_resume,
+};
+
+static int __init cs5536_init(void)
+{
+ return pci_register_driver(&cs5536_pci_driver);
+}
+
+static void __exit cs5536_exit(void)
+{
+ pci_unregister_driver(&cs5536_pci_driver);
+}
+
+MODULE_AUTHOR("Martin K. Petersen, Bartlomiej Zolnierkiewicz");
+MODULE_DESCRIPTION("low-level driver for the CS5536 IDE controller");
+MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(pci, cs5536_pci_tbl);
+
+module_param_named(msr, use_msr, int, 0644);
+MODULE_PARM_DESC(msr, "Force using MSR to configure IDE function (Default: 0)");
+
+module_init(cs5536_init);
+module_exit(cs5536_exit);
diff --git a/drivers/ide/falconide.c b/drivers/ide/falconide.c
index a5ba820d69b..a638e952d67 100644
--- a/drivers/ide/falconide.c
+++ b/drivers/ide/falconide.c
@@ -82,7 +82,7 @@ static const struct ide_tp_ops falconide_tp_ops = {
static const struct ide_port_info falconide_port_info = {
.tp_ops = &falconide_tp_ops,
- .host_flags = IDE_HFLAG_NO_DMA,
+ .host_flags = IDE_HFLAG_NO_DMA | IDE_HFLAG_SERIALIZE,
};
static void __init falconide_setup_ports(hw_regs_t *hw)
diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c
index 97a35c667ae..415d7e24f2b 100644
--- a/drivers/ide/icside.c
+++ b/drivers/ide/icside.c
@@ -534,7 +534,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
d.dma_ops = NULL;
}
- ret = ide_host_register(host, NULL, hws);
+ ret = ide_host_register(host, &d, hws);
if (ret)
goto err_free;
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index d8f295bdad7..ec7d07fa570 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -282,7 +282,7 @@ static int do_drive_get_GTF(ide_drive_t *drive,
port = hwif->channel ? drive->dn - 2: drive->dn;
DEBPRINT("ENTER: %s at %s, port#: %d, hard_port#: %d\n",
- hwif->name, dev->bus_id, port, hwif->channel);
+ hwif->name, dev_name(dev), port, hwif->channel);
if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0) {
DEBPRINT("%s drive %d:%d not present\n",
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index cae69372cf4..ddfbea41d29 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -55,7 +55,7 @@
static DEFINE_MUTEX(idecd_ref_mutex);
-static void ide_cd_release(struct kref *);
+static void ide_cd_release(struct device *);
static struct cdrom_info *ide_cd_get(struct gendisk *disk)
{
@@ -67,7 +67,7 @@ static struct cdrom_info *ide_cd_get(struct gendisk *disk)
if (ide_device_get(cd->drive))
cd = NULL;
else
- kref_get(&cd->kref);
+ get_device(&cd->dev);
}
mutex_unlock(&idecd_ref_mutex);
@@ -79,7 +79,7 @@ static void ide_cd_put(struct cdrom_info *cd)
ide_drive_t *drive = cd->drive;
mutex_lock(&idecd_ref_mutex);
- kref_put(&cd->kref, ide_cd_release);
+ put_device(&cd->dev);
ide_device_put(drive);
mutex_unlock(&idecd_ref_mutex);
}
@@ -194,6 +194,14 @@ static void cdrom_analyze_sense_data(ide_drive_t *drive,
bio_sectors = max(bio_sectors(failed_command->bio), 4U);
sector &= ~(bio_sectors - 1);
+ /*
+ * The SCSI specification allows for the value
+ * returned by READ CAPACITY to be up to 75 2K
+ * sectors past the last readable block.
+ * Therefore, if we hit a medium error within the
+ * last 75 2K sectors, we decrease the saved size
+ * value.
+ */
if (sector < get_capacity(info->disk) &&
drive->probed_capacity - sector < 4 * 75)
set_capacity(info->disk, sector);
@@ -787,6 +795,9 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
if (blk_fs_request(rq)) {
ide_end_request(drive, 1, rq->nr_sectors);
return ide_stopped;
+ } else if (rq->cmd_type == REQ_TYPE_ATA_PC && !rq->bio) {
+ ide_end_request(drive, 1, 1);
+ return ide_stopped;
}
goto end_request;
}
@@ -1787,15 +1798,17 @@ static void ide_cd_remove(ide_drive_t *drive)
ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
ide_proc_unregister_driver(drive, info->driver);
-
+ device_del(&info->dev);
del_gendisk(info->disk);
- ide_cd_put(info);
+ mutex_lock(&idecd_ref_mutex);
+ put_device(&info->dev);
+ mutex_unlock(&idecd_ref_mutex);
}
-static void ide_cd_release(struct kref *kref)
+static void ide_cd_release(struct device *dev)
{
- struct cdrom_info *info = to_ide_drv(kref, cdrom_info);
+ struct cdrom_info *info = to_ide_drv(dev, cdrom_info);
struct cdrom_device_info *devinfo = &info->devinfo;
ide_drive_t *drive = info->drive;
struct gendisk *g = info->disk;
@@ -1994,7 +2007,12 @@ static int ide_cd_probe(ide_drive_t *drive)
ide_init_disk(g, drive);
- kref_init(&info->kref);
+ info->dev.parent = &drive->gendev;
+ info->dev.release = ide_cd_release;
+ dev_set_name(&info->dev, dev_name(&drive->gendev));
+
+ if (device_register(&info->dev))
+ goto out_free_disk;
info->drive = drive;
info->driver = &ide_cdrom_driver;
@@ -2008,7 +2026,7 @@ static int ide_cd_probe(ide_drive_t *drive)
g->driverfs_dev = &drive->gendev;
g->flags = GENHD_FL_CD | GENHD_FL_REMOVABLE;
if (ide_cdrom_setup(drive)) {
- ide_cd_release(&info->kref);
+ put_device(&info->dev);
goto failed;
}
@@ -2018,6 +2036,8 @@ static int ide_cd_probe(ide_drive_t *drive)
add_disk(g);
return 0;
+out_free_disk:
+ put_disk(g);
out_free_cd:
kfree(info);
failed:
diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h
index ac40d6cb90a..c878bfcf111 100644
--- a/drivers/ide/ide-cd.h
+++ b/drivers/ide/ide-cd.h
@@ -80,7 +80,7 @@ struct cdrom_info {
ide_drive_t *drive;
struct ide_driver *driver;
struct gendisk *disk;
- struct kref kref;
+ struct device dev;
/* Buffer for table of contents. NULL if we haven't allocated
a TOC buffer for this device yet. */
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index 7857b209c6d..04710941990 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -25,7 +25,7 @@ module_param(debug_mask, ulong, 0644);
static DEFINE_MUTEX(ide_disk_ref_mutex);
-static void ide_disk_release(struct kref *);
+static void ide_disk_release(struct device *);
static struct ide_disk_obj *ide_disk_get(struct gendisk *disk)
{
@@ -37,7 +37,7 @@ static struct ide_disk_obj *ide_disk_get(struct gendisk *disk)
if (ide_device_get(idkp->drive))
idkp = NULL;
else
- kref_get(&idkp->kref);
+ get_device(&idkp->dev);
}
mutex_unlock(&ide_disk_ref_mutex);
return idkp;
@@ -48,7 +48,7 @@ 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);
+ put_device(&idkp->dev);
ide_device_put(drive);
mutex_unlock(&ide_disk_ref_mutex);
}
@@ -66,17 +66,18 @@ static void ide_gd_remove(ide_drive_t *drive)
struct gendisk *g = idkp->disk;
ide_proc_unregister_driver(drive, idkp->driver);
-
+ device_del(&idkp->dev);
del_gendisk(g);
-
drive->disk_ops->flush(drive);
- ide_disk_put(idkp);
+ mutex_lock(&ide_disk_ref_mutex);
+ put_device(&idkp->dev);
+ mutex_unlock(&ide_disk_ref_mutex);
}
-static void ide_disk_release(struct kref *kref)
+static void ide_disk_release(struct device *dev)
{
- struct ide_disk_obj *idkp = to_ide_drv(kref, ide_disk_obj);
+ struct ide_disk_obj *idkp = to_ide_drv(dev, ide_disk_obj);
ide_drive_t *drive = idkp->drive;
struct gendisk *g = idkp->disk;
@@ -348,7 +349,12 @@ static int ide_gd_probe(ide_drive_t *drive)
ide_init_disk(g, drive);
- kref_init(&idkp->kref);
+ idkp->dev.parent = &drive->gendev;
+ idkp->dev.release = ide_disk_release;
+ dev_set_name(&idkp->dev, dev_name(&drive->gendev));
+
+ if (device_register(&idkp->dev))
+ goto out_free_disk;
idkp->drive = drive;
idkp->driver = &ide_gd_driver;
@@ -373,6 +379,8 @@ static int ide_gd_probe(ide_drive_t *drive)
add_disk(g);
return 0;
+out_free_disk:
+ put_disk(g);
out_free_idkp:
kfree(idkp);
failed:
diff --git a/drivers/ide/ide-gd.h b/drivers/ide/ide-gd.h
index a86779f0756..b604bdd318a 100644
--- a/drivers/ide/ide-gd.h
+++ b/drivers/ide/ide-gd.h
@@ -17,7 +17,7 @@ struct ide_disk_obj {
ide_drive_t *drive;
struct ide_driver *driver;
struct gendisk *disk;
- struct kref kref;
+ struct device dev;
unsigned int openers; /* protected by BKL for now */
/* Last failed packet command */
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index cc163319dfb..9ee51adf567 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -418,11 +418,14 @@ void ide_map_sg(ide_drive_t *drive, struct request *rq)
ide_hwif_t *hwif = drive->hwif;
struct scatterlist *sg = hwif->sg_table;
- if (rq->cmd_type != REQ_TYPE_ATA_TASKFILE) {
- hwif->sg_nents = blk_rq_map_sg(drive->queue, rq, sg);
- } else {
+ if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) {
sg_init_one(sg, rq->buffer, rq->nr_sectors * SECTOR_SIZE);
hwif->sg_nents = 1;
+ } else if (!rq->bio) {
+ sg_init_one(sg, rq->data, rq->data_len);
+ hwif->sg_nents = 1;
+ } else {
+ hwif->sg_nents = blk_rq_map_sg(drive->queue, rq, sg);
}
}
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 312127ea443..ce0818a993f 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -649,7 +649,8 @@ static int ide_register_port(ide_hwif_t *hwif)
/* register with global device tree */
dev_set_name(&hwif->gendev, hwif->name);
hwif->gendev.driver_data = hwif;
- hwif->gendev.parent = hwif->dev;
+ if (hwif->gendev.parent == NULL)
+ hwif->gendev.parent = hwif->dev;
hwif->gendev.release = hwif_release_dev;
ret = device_register(&hwif->gendev);
@@ -1466,6 +1467,30 @@ struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws)
}
EXPORT_SYMBOL_GPL(ide_host_alloc);
+static void ide_port_free(ide_hwif_t *hwif)
+{
+ ide_port_free_devices(hwif);
+ ide_free_port_slot(hwif->index);
+ kfree(hwif);
+}
+
+static void ide_disable_port(ide_hwif_t *hwif)
+{
+ struct ide_host *host = hwif->host;
+ int i;
+
+ printk(KERN_INFO "%s: disabling port\n", hwif->name);
+
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
+ if (host->ports[i] == hwif) {
+ host->ports[i] = NULL;
+ host->n_ports--;
+ }
+ }
+
+ ide_port_free(hwif);
+}
+
int ide_host_register(struct ide_host *host, const struct ide_port_info *d,
hw_regs_t **hws)
{
@@ -1506,8 +1531,12 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d,
hwif->present = 1;
if (hwif->chipset != ide_4drives || !hwif->mate ||
- !hwif->mate->present)
- ide_register_port(hwif);
+ !hwif->mate->present) {
+ if (ide_register_port(hwif)) {
+ ide_disable_port(hwif);
+ continue;
+ }
+ }
if (hwif->present)
ide_port_tune_devices(hwif);
@@ -1520,7 +1549,8 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d,
if (hwif_init(hwif) == 0) {
printk(KERN_INFO "%s: failed to initialize IDE "
"interface\n", hwif->name);
- hwif->present = 0;
+ device_unregister(&hwif->gendev);
+ ide_disable_port(hwif);
continue;
}
@@ -1659,12 +1689,8 @@ void ide_host_free(struct ide_host *host)
int i;
ide_host_for_each_port(i, hwif, host) {
- if (hwif == NULL)
- continue;
-
- ide_port_free_devices(hwif);
- ide_free_port_slot(hwif->index);
- kfree(hwif);
+ if (hwif)
+ ide_port_free(hwif);
}
kfree(host);
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index d7ecd3c7975..bb450a7608c 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -169,7 +169,7 @@ typedef struct ide_tape_obj {
ide_drive_t *drive;
struct ide_driver *driver;
struct gendisk *disk;
- struct kref kref;
+ struct device dev;
/*
* failed_pc points to the last failed packet command, or contains
@@ -267,7 +267,7 @@ static DEFINE_MUTEX(idetape_ref_mutex);
static struct class *idetape_sysfs_class;
-static void ide_tape_release(struct kref *);
+static void ide_tape_release(struct device *);
static struct ide_tape_obj *ide_tape_get(struct gendisk *disk)
{
@@ -279,7 +279,7 @@ static struct ide_tape_obj *ide_tape_get(struct gendisk *disk)
if (ide_device_get(tape->drive))
tape = NULL;
else
- kref_get(&tape->kref);
+ get_device(&tape->dev);
}
mutex_unlock(&idetape_ref_mutex);
return tape;
@@ -290,7 +290,7 @@ static void ide_tape_put(struct ide_tape_obj *tape)
ide_drive_t *drive = tape->drive;
mutex_lock(&idetape_ref_mutex);
- kref_put(&tape->kref, ide_tape_release);
+ put_device(&tape->dev);
ide_device_put(drive);
mutex_unlock(&idetape_ref_mutex);
}
@@ -308,7 +308,7 @@ static struct ide_tape_obj *ide_tape_chrdev_get(unsigned int i)
mutex_lock(&idetape_ref_mutex);
tape = idetape_devs[i];
if (tape)
- kref_get(&tape->kref);
+ get_device(&tape->dev);
mutex_unlock(&idetape_ref_mutex);
return tape;
}
@@ -2256,15 +2256,17 @@ static void ide_tape_remove(ide_drive_t *drive)
idetape_tape_t *tape = drive->driver_data;
ide_proc_unregister_driver(drive, tape->driver);
-
+ device_del(&tape->dev);
ide_unregister_region(tape->disk);
- ide_tape_put(tape);
+ mutex_lock(&idetape_ref_mutex);
+ put_device(&tape->dev);
+ mutex_unlock(&idetape_ref_mutex);
}
-static void ide_tape_release(struct kref *kref)
+static void ide_tape_release(struct device *dev)
{
- struct ide_tape_obj *tape = to_ide_drv(kref, ide_tape_obj);
+ struct ide_tape_obj *tape = to_ide_drv(dev, ide_tape_obj);
ide_drive_t *drive = tape->drive;
struct gendisk *g = tape->disk;
@@ -2407,7 +2409,12 @@ static int ide_tape_probe(ide_drive_t *drive)
ide_init_disk(g, drive);
- kref_init(&tape->kref);
+ tape->dev.parent = &drive->gendev;
+ tape->dev.release = ide_tape_release;
+ dev_set_name(&tape->dev, dev_name(&drive->gendev));
+
+ if (device_register(&tape->dev))
+ goto out_free_disk;
tape->drive = drive;
tape->driver = &idetape_driver;
@@ -2436,6 +2443,8 @@ static int ide_tape_probe(ide_drive_t *drive)
return 0;
+out_free_disk:
+ put_disk(g);
out_free_tape:
kfree(tape);
failed:
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 258805da15c..0920e3b0c96 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -337,6 +337,7 @@ static int ide_set_dev_param_mask(const char *s, struct kernel_param *kp)
int a, b, i, j = 1;
unsigned int *dev_param_mask = (unsigned int *)kp->arg;
+ /* controller . device (0 or 1) [ : 1 (set) | 0 (clear) ] */
if (sscanf(s, "%d.%d:%d", &a, &b, &j) != 3 &&
sscanf(s, "%d.%d", &a, &b) != 2)
return -EINVAL;
@@ -349,7 +350,7 @@ static int ide_set_dev_param_mask(const char *s, struct kernel_param *kp)
if (j)
*dev_param_mask |= (1 << i);
else
- *dev_param_mask &= (1 << i);
+ *dev_param_mask &= ~(1 << i);
return 0;
}
@@ -392,6 +393,8 @@ static int ide_set_disk_chs(const char *str, struct kernel_param *kp)
{
int a, b, c = 0, h = 0, s = 0, i, j = 1;
+ /* controller . device (0 or 1) : Cylinders , Heads , Sectors */
+ /* controller . device (0 or 1) : 1 (use CHS) | 0 (ignore CHS) */
if (sscanf(str, "%d.%d:%d,%d,%d", &a, &b, &c, &h, &s) != 5 &&
sscanf(str, "%d.%d:%d", &a, &b, &j) != 3)
return -EINVAL;
@@ -407,7 +410,7 @@ static int ide_set_disk_chs(const char *str, struct kernel_param *kp)
if (j)
ide_disks |= (1 << i);
else
- ide_disks &= (1 << i);
+ ide_disks &= ~(1 << i);
ide_disks_chs[i].cyl = c;
ide_disks_chs[i].head = h;
@@ -469,6 +472,8 @@ static int ide_set_ignore_cable(const char *s, struct kernel_param *kp)
{
int i, j = 1;
+ /* controller (ignore) */
+ /* controller : 1 (ignore) | 0 (use) */
if (sscanf(s, "%d:%d", &i, &j) != 2 && sscanf(s, "%d", &i) != 1)
return -EINVAL;
@@ -478,7 +483,7 @@ static int ide_set_ignore_cable(const char *s, struct kernel_param *kp)
if (j)
ide_ignore_cable |= (1 << i);
else
- ide_ignore_cable &= (1 << i);
+ ide_ignore_cable &= ~(1 << i);
return 0;
}
diff --git a/drivers/ide/it821x.c b/drivers/ide/it821x.c
index e1c4f543739..13b8153112e 100644
--- a/drivers/ide/it821x.c
+++ b/drivers/ide/it821x.c
@@ -5,9 +5,8 @@
* May be copied or modified under the terms of the GNU General Public License
* Based in part on the ITE vendor provided SCSI driver.
*
- * Documentation available from
- * http://www.ite.com.tw/pc/IT8212F_V04.pdf
- * Some other documents are NDA.
+ * Documentation:
+ * Datasheet is freely available, some other documents under NDA.
*
* The ITE8212 isn't exactly a standard IDE controller. It has two
* modes. In pass through mode then it is an IDE controller. In its smart
diff --git a/drivers/ide/palm_bk3710.c b/drivers/ide/palm_bk3710.c
index a7ac490c9ae..f38aac78044 100644
--- a/drivers/ide/palm_bk3710.c
+++ b/drivers/ide/palm_bk3710.c
@@ -346,7 +346,8 @@ static int __init palm_bk3710_probe(struct platform_device *pdev)
{
struct clk *clk;
struct resource *mem, *irq;
- unsigned long base, rate;
+ void __iomem *base;
+ unsigned long rate;
int i, rc;
hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
@@ -382,11 +383,13 @@ static int __init palm_bk3710_probe(struct platform_device *pdev)
base = IO_ADDRESS(mem->start);
/* Configure the Palm Chip controller */
- palm_bk3710_chipinit((void __iomem *)base);
+ palm_bk3710_chipinit(base);
for (i = 0; i < IDE_NR_PORTS - 2; i++)
- hw.io_ports_array[i] = base + IDE_PALM_ATA_PRI_REG_OFFSET + i;
- hw.io_ports.ctl_addr = base + IDE_PALM_ATA_PRI_CTL_OFFSET;
+ hw.io_ports_array[i] = (unsigned long)
+ (base + IDE_PALM_ATA_PRI_REG_OFFSET + i);
+ hw.io_ports.ctl_addr = (unsigned long)
+ (base + IDE_PALM_ATA_PRI_CTL_OFFSET);
hw.irq = irq->start;
hw.dev = &pdev->dev;
hw.chipset = ide_palm3710;
diff --git a/drivers/ide/qd65xx.c b/drivers/ide/qd65xx.c
index 5b2e3af43c4..08c4fa35e9b 100644
--- a/drivers/ide/qd65xx.c
+++ b/drivers/ide/qd65xx.c
@@ -16,7 +16,7 @@
/*
* Rewritten from the work of Colten Edwards <pje120@cs.usask.ca> by
- * Samuel Thibault <samuel.thibault@fnac.net>
+ * Samuel Thibault <samuel.thibault@ens-lyon.org>
*/
#include <linux/module.h>
diff --git a/drivers/ide/qd65xx.h b/drivers/ide/qd65xx.h
index 6636f9665d1..d7e67a1a1dc 100644
--- a/drivers/ide/qd65xx.h
+++ b/drivers/ide/qd65xx.h
@@ -4,7 +4,7 @@
/*
* Authors: Petr Soucek <petr@ryston.cz>
- * Samuel Thibault <samuel.thibault@fnac.net>
+ * Samuel Thibault <samuel.thibault@ens-lyon.org>
*/
/* truncates a in [b,c] */
diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c
index 882f6f07c47..40b0812a045 100644
--- a/drivers/ide/tx4939ide.c
+++ b/drivers/ide/tx4939ide.c
@@ -261,9 +261,9 @@ static int tx4939ide_build_dmatable(ide_drive_t *drive, struct request *rq)
bcount = cur_len;
/*
* This workaround for zero count seems required.
- * (standard ide_build_dmatable do it too)
+ * (standard ide_build_dmatable does it too)
*/
- if ((bcount & 0xffff) == 0x0000)
+ if (bcount == 0x10000)
bcount = 0x8000;
*table++ = bcount & 0xffff;
*table++ = cur_addr;
diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c
index 703c3eeb20a..6092fe3f409 100644
--- a/drivers/ide/via82cxxx.c
+++ b/drivers/ide/via82cxxx.c
@@ -448,6 +448,11 @@ static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_i
d.host_flags |= IDE_HFLAG_FORCE_LEGACY_IRQS;
#endif
+#ifdef CONFIG_AMIGAONE
+ if (machine_is(amigaone))
+ d.host_flags |= IDE_HFLAG_FORCE_LEGACY_IRQS;
+#endif
+
d.udma_mask = via_config->udma_mask;
vdev = kzalloc(sizeof(*vdev), GFP_KERNEL);
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-27 12:03:59 +0000