aboutsummaryrefslogtreecommitdiff
path: root/arch/sh
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/boards/landisk/gio.c2
-rw-r--r--arch/sh/boards/landisk/setup.c6
-rw-r--r--arch/sh/boards/renesas/r7780rp/Makefile5
-rw-r--r--arch/sh/boards/snapgear/rtc.c2
-rw-r--r--arch/sh/boards/superh/microdev/io.c6
-rw-r--r--arch/sh/boards/superh/microdev/irq.c6
-rw-r--r--arch/sh/boards/superh/microdev/setup.c2
-rw-r--r--arch/sh/boards/unknown/setup.c2
-rw-r--r--arch/sh/drivers/dma/dma-api.c2
-rw-r--r--arch/sh/drivers/dma/dma-isa.c2
-rw-r--r--arch/sh/drivers/dma/dmabrg.c2
-rw-r--r--arch/sh/drivers/pci/ops-dreamcast.c2
-rw-r--r--arch/sh/drivers/pci/pci-st40.c6
-rw-r--r--arch/sh/drivers/pci/pci-st40.h2
-rw-r--r--arch/sh/drivers/superhyway/ops-sh4-202.c2
-rw-r--r--arch/sh/kernel/cf-enabler.c2
-rw-r--r--arch/sh/kernel/cpu/clock.c7
-rw-r--r--arch/sh/kernel/cpu/irq/maskreg.c2
-rw-r--r--arch/sh/kernel/cpu/sh4/fpu.c2
-rw-r--r--arch/sh/kernel/cpu/sh4/setup-sh7750.c2
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7722.c34
-rw-r--r--arch/sh/kernel/kgdb_stub.c4
-rw-r--r--arch/sh/kernel/process.c33
-rw-r--r--arch/sh/kernel/syscalls.S3
-rw-r--r--arch/sh/kernel/traps.c13
-rw-r--r--arch/sh/math-emu/math.c2
-rw-r--r--arch/sh/mm/copy_page.S1
-rw-r--r--arch/sh/mm/fault.c39
-rw-r--r--arch/sh/mm/init.c3
-rw-r--r--arch/sh/mm/pmb.c79
-rw-r--r--arch/sh/tools/mach-types5
31 files changed, 153 insertions, 127 deletions
diff --git a/arch/sh/boards/landisk/gio.c b/arch/sh/boards/landisk/gio.c
index 50d38be62f0..a37643d002b 100644
--- a/arch/sh/boards/landisk/gio.c
+++ b/arch/sh/boards/landisk/gio.c
@@ -69,7 +69,7 @@ static int gio_ioctl(struct inode *inode, struct file *filp,
}
switch (cmd) {
- case GIODRV_IOCSGIOSETADDR: /* addres set */
+ case GIODRV_IOCSGIOSETADDR: /* address set */
addr = data;
break;
diff --git a/arch/sh/boards/landisk/setup.c b/arch/sh/boards/landisk/setup.c
index 4058b4f50d4..f953c742776 100644
--- a/arch/sh/boards/landisk/setup.c
+++ b/arch/sh/boards/landisk/setup.c
@@ -44,8 +44,14 @@ static struct platform_device cf_ide_device = {
},
};
+static struct platform_device rtc_device = {
+ .name = "rs5c313",
+ .id = -1,
+};
+
static struct platform_device *landisk_devices[] __initdata = {
&cf_ide_device,
+ &rtc_device,
};
static int __init landisk_devices_setup(void)
diff --git a/arch/sh/boards/renesas/r7780rp/Makefile b/arch/sh/boards/renesas/r7780rp/Makefile
index 609e5d50dde..b1d20afb4eb 100644
--- a/arch/sh/boards/renesas/r7780rp/Makefile
+++ b/arch/sh/boards/renesas/r7780rp/Makefile
@@ -3,5 +3,8 @@
#
irqinit-y := irq-r7780rp.o
irqinit-$(CONFIG_SH_R7785RP) := irq-r7785rp.o
+obj-y := setup.o irq.o $(irqinit-y)
+
+ifneq ($(CONFIG_SH_R7785RP),y)
obj-$(CONFIG_PUSH_SWITCH) += psw.o
-obj-y := setup.o irq.o $(irqinit-y)
+endif
diff --git a/arch/sh/boards/snapgear/rtc.c b/arch/sh/boards/snapgear/rtc.c
index 1659fdd6695..edb3dd936cb 100644
--- a/arch/sh/boards/snapgear/rtc.c
+++ b/arch/sh/boards/snapgear/rtc.c
@@ -108,7 +108,7 @@ static void ds1302_writebyte(unsigned int addr, unsigned int val)
static void ds1302_reset(void)
{
unsigned long flags;
- /* Hardware dependant reset/init */
+ /* Hardware dependent reset/init */
local_irq_save(flags);
set_dirp(get_dirp() | RTC_RESET | RTC_IODATA | RTC_SCLK);
set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK));
diff --git a/arch/sh/boards/superh/microdev/io.c b/arch/sh/boards/superh/microdev/io.c
index 83419bf4c83..b704e20d7e4 100644
--- a/arch/sh/boards/superh/microdev/io.c
+++ b/arch/sh/boards/superh/microdev/io.c
@@ -198,12 +198,12 @@ void microdev_outb(unsigned char b, unsigned long port)
/*
* There is a board feature with the current SH4-202 MicroDev in
* that the 2 byte enables (nBE0 and nBE1) are tied together (and
- * to the Chip Select Line (Ethernet_CS)). Due to this conectivity,
+ * to the Chip Select Line (Ethernet_CS)). Due to this connectivity,
* it is not possible to safely perform 8-bit writes to the
* Ethernet registers, as 16-bits will be consumed from the Data
* lines (corrupting the other byte). Hence, this function is
- * written to impliment 16-bit read/modify/write for all byte-wide
- * acceses.
+ * written to implement 16-bit read/modify/write for all byte-wide
+ * accesses.
*
* Note: there is no problem with byte READS (even or odd).
*
diff --git a/arch/sh/boards/superh/microdev/irq.c b/arch/sh/boards/superh/microdev/irq.c
index 8c64baa3036..cc1cb04fa61 100644
--- a/arch/sh/boards/superh/microdev/irq.c
+++ b/arch/sh/boards/superh/microdev/irq.c
@@ -100,7 +100,7 @@ static void disable_microdev_irq(unsigned int irq)
fpgaIrq = fpgaIrqTable[irq].fpgaIrq;
- /* disable interupts on the FPGA INTC register */
+ /* disable interrupts on the FPGA INTC register */
ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTDSB_REG);
}
@@ -125,7 +125,7 @@ static void enable_microdev_irq(unsigned int irq)
priorities |= MICRODEV_FPGA_INTPRI_LEVEL(fpgaIrq, pri);
ctrl_outl(priorities, priorityReg);
- /* enable interupts on the FPGA INTC register */
+ /* enable interrupts on the FPGA INTC register */
ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTENB_REG);
}
@@ -152,7 +152,7 @@ extern void __init init_microdev_irq(void)
{
int i;
- /* disable interupts on the FPGA INTC register */
+ /* disable interrupts on the FPGA INTC register */
ctrl_outl(~0ul, MICRODEV_FPGA_INTDSB_REG);
for (i = 0; i < NUM_EXTERNAL_IRQS; i++)
diff --git a/arch/sh/boards/superh/microdev/setup.c b/arch/sh/boards/superh/microdev/setup.c
index 031c814e6e7..6396cea1c89 100644
--- a/arch/sh/boards/superh/microdev/setup.c
+++ b/arch/sh/boards/superh/microdev/setup.c
@@ -349,7 +349,7 @@ static int __init smsc_superio_setup(void)
SMSC_WRITE_INDEXED(0x00, 0xc7); /* GP47 = nIOWOP */
SMSC_WRITE_INDEXED(0x08, 0xe8); /* GP20 = nIDE2_OE */
- /* Exit the configuraton state */
+ /* Exit the configuration state */
outb(SMSC_EXIT_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR);
return 0;
diff --git a/arch/sh/boards/unknown/setup.c b/arch/sh/boards/unknown/setup.c
index 1c941370a2e..bee4612de59 100644
--- a/arch/sh/boards/unknown/setup.c
+++ b/arch/sh/boards/unknown/setup.c
@@ -6,7 +6,7 @@
* May be copied or modified under the terms of the GNU General Public
* License. See linux/COPYING for more information.
*
- * Setup code for an unknown machine (internal peripherials only)
+ * Setup code for an unknown machine (internal peripherals only)
*
* This is the simplest of all boards, and serves only as a quick and dirty
* method to start debugging a new board during bring-up until proper board
diff --git a/arch/sh/drivers/dma/dma-api.c b/arch/sh/drivers/dma/dma-api.c
index e062067edd2..8057a27a1bc 100644
--- a/arch/sh/drivers/dma/dma-api.c
+++ b/arch/sh/drivers/dma/dma-api.c
@@ -115,7 +115,7 @@ static int search_cap(const char **haystack, const char *needle)
/**
* request_dma_bycap - Allocate a DMA channel based on its capabilities
* @dmac: List of DMA controllers to search
- * @caps: List of capabilites
+ * @caps: List of capabilities
*
* Search all channels of all DMA controllers to find a channel which
* matches the requested capabilities. The result is the channel
diff --git a/arch/sh/drivers/dma/dma-isa.c b/arch/sh/drivers/dma/dma-isa.c
index 05a74ffdb68..5fb044b791c 100644
--- a/arch/sh/drivers/dma/dma-isa.c
+++ b/arch/sh/drivers/dma/dma-isa.c
@@ -28,7 +28,7 @@
* NOTE: ops->xfer() is the preferred way of doing things. However, there
* are some users of the ISA DMA API that exist in common code that we
* don't necessarily want to go out of our way to break, so we still
- * allow for some compatability at that level. Any new code is strongly
+ * allow for some compatibility at that level. Any new code is strongly
* advised to run far away from the ISA DMA API and use the SH DMA API
* directly.
*/
diff --git a/arch/sh/drivers/dma/dmabrg.c b/arch/sh/drivers/dma/dmabrg.c
index 9d0a29370f2..5e22689c2fc 100644
--- a/arch/sh/drivers/dma/dmabrg.c
+++ b/arch/sh/drivers/dma/dmabrg.c
@@ -33,7 +33,7 @@
* 9 | HAC1/SSI1 | rec | half done | DMABRGI2
*
* all can be enabled/disabled in the DMABRGCR register,
- * as well as checked if they occured.
+ * as well as checked if they occurred.
*
* DMABRGI0 services USB DMA Address errors, but it still must be
* enabled/acked in the DMABRGCR register. USB-DMA complete indicator
diff --git a/arch/sh/drivers/pci/ops-dreamcast.c b/arch/sh/drivers/pci/ops-dreamcast.c
index 381306cf542..e1284fc6936 100644
--- a/arch/sh/drivers/pci/ops-dreamcast.c
+++ b/arch/sh/drivers/pci/ops-dreamcast.c
@@ -57,7 +57,7 @@ struct pci_channel board_pci_channels[] = {
*
* Also, we could very easily support both Type 0 and Type 1 configurations
* here, but since it doesn't seem that there is any such implementation in
- * existance, we don't bother.
+ * existence, we don't bother.
*
* I suppose if someone actually gets around to ripping the chip out of
* the BBA and hanging some more devices off of it, then this might be
diff --git a/arch/sh/drivers/pci/pci-st40.c b/arch/sh/drivers/pci/pci-st40.c
index d67656a44b1..543417ff831 100644
--- a/arch/sh/drivers/pci/pci-st40.c
+++ b/arch/sh/drivers/pci/pci-st40.c
@@ -292,7 +292,7 @@ int __init st40pci_init(unsigned memStart, unsigned memSize)
PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
PCI_COMMAND_IO);
- /* Accesse to the 0xb0000000 -> 0xb6000000 area will go through to 0x10000000 -> 0x16000000
+ /* Access to the 0xb0000000 -> 0xb6000000 area will go through to 0x10000000 -> 0x16000000
* on the PCI bus. This allows a nice 1-1 bus to phys mapping.
*/
@@ -315,7 +315,7 @@ int __init st40pci_init(unsigned memStart, unsigned memSize)
ST40PCI_WRITE(CSR_MBAR0, 0);
ST40PCI_WRITE(LSR0, 0x0fff0001);
- /* ... and set up the initial incomming window to expose all of RAM */
+ /* ... and set up the initial incoming window to expose all of RAM */
pci_set_rbar_region(7, memStart, memStart, memSize);
/* Maximise timeout values */
@@ -473,7 +473,7 @@ static void pci_set_rbar_region(unsigned int region, unsigned long localAddr
mask = r2p2(regionSize) - 0x10000;
- /* Diable the region (in case currently in use, should never happen) */
+ /* Disable the region (in case currently in use, should never happen) */
ST40PCI_WRITE_INDEXED(RSR, region, 0);
/* Start of local address space to publish */
diff --git a/arch/sh/drivers/pci/pci-st40.h b/arch/sh/drivers/pci/pci-st40.h
index d729e0c2d5f..cf0d35bd135 100644
--- a/arch/sh/drivers/pci/pci-st40.h
+++ b/arch/sh/drivers/pci/pci-st40.h
@@ -4,7 +4,7 @@
* May be copied or modified under the terms of the GNU General Public
* License. See linux/COPYING for more information.
*
- * Defintions for the ST40 PCI hardware.
+ * Definitions for the ST40 PCI hardware.
*/
#ifndef __PCI_ST40_H__
diff --git a/arch/sh/drivers/superhyway/ops-sh4-202.c b/arch/sh/drivers/superhyway/ops-sh4-202.c
index a55c98a9052..3b14bf860db 100644
--- a/arch/sh/drivers/superhyway/ops-sh4-202.c
+++ b/arch/sh/drivers/superhyway/ops-sh4-202.c
@@ -130,7 +130,7 @@ static int sh4202_read_vcr(unsigned long base, struct superhyway_vcr_info *vcr)
* Some modules (PBR and ePBR for instance) also appear to have
* VCRL/VCRH flipped in the documentation, but on the SH4-202
* itself it appears that these are all consistently mapped with
- * VCRH preceeding VCRL.
+ * VCRH preceding VCRL.
*
* Do not trust the documentation, for it is evil.
*/
diff --git a/arch/sh/kernel/cf-enabler.c b/arch/sh/kernel/cf-enabler.c
index 0758d48147a..849a9e19139 100644
--- a/arch/sh/kernel/cf-enabler.c
+++ b/arch/sh/kernel/cf-enabler.c
@@ -31,7 +31,7 @@
*/
#if defined(CONFIG_CPU_SH4)
/* SH4 can't access PCMCIA interface through P2 area.
- * we must remap it with appropreate attribute bit of the page set.
+ * we must remap it with appropriate attribute bit of the page set.
* this part is based on Greg Banks' hd64465_ss.c implementation - Masahiro Abe */
#if defined(CONFIG_CF_AREA6)
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 014f318f5a0..63251549e9a 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -278,6 +278,11 @@ arch_init_clk_ops(struct clk_ops **ops, int type)
{
}
+void __init __attribute__ ((weak))
+arch_clk_init(void)
+{
+}
+
static int show_clocks(char *buf, char **start, off_t off,
int len, int *eof, void *data)
{
@@ -314,6 +319,8 @@ int __init clk_init(void)
ret |= clk_register(clk);
}
+ arch_clk_init();
+
/* Kick the child clocks.. */
propagate_rate(&master_clk);
propagate_rate(&bus_clk);
diff --git a/arch/sh/kernel/cpu/irq/maskreg.c b/arch/sh/kernel/cpu/irq/maskreg.c
index 492db31b3ca..978992e367a 100644
--- a/arch/sh/kernel/cpu/irq/maskreg.c
+++ b/arch/sh/kernel/cpu/irq/maskreg.c
@@ -38,7 +38,7 @@ static struct hw_interrupt_type maskreg_irq_type = {
.end = end_maskreg_irq
};
-/* actual implementatin */
+/* actual implementation */
static unsigned int startup_maskreg_irq(unsigned int irq)
{
enable_maskreg_irq(irq);
diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c
index d61dd599169..c5a4fc77fa0 100644
--- a/arch/sh/kernel/cpu/sh4/fpu.c
+++ b/arch/sh/kernel/cpu/sh4/fpu.c
@@ -138,7 +138,7 @@ restore_fpu(struct task_struct *tsk)
/*
* Load the FPU with signalling NANS. This bit pattern we're using
* has the property that no matter wether considered as single or as
- * double precission represents signaling NANS.
+ * double precision represents signaling NANS.
*/
static void
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
index 6f8f458912c..03b14cf78dd 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
@@ -106,6 +106,7 @@ static struct ipr_data sh7750_ipr_map[] = {
{ 38, 2, 8, 7 }, /* DMAC DMAE */
};
+#ifdef CONFIG_CPU_SUBTYPE_SH7751
static struct ipr_data sh7751_ipr_map[] = {
{ 44, 2, 8, 7 }, /* DMAC DMTE4 */
{ 45, 2, 8, 7 }, /* DMAC DMTE5 */
@@ -117,6 +118,7 @@ static struct ipr_data sh7751_ipr_map[] = {
/*{ 72, INTPRI00, 8, ? },*/ /* TMU3 TUNI */
/*{ 76, INTPRI00, 12, ? },*/ /* TMU4 TUNI */
};
+#endif
static unsigned long ipr_offsets[] = {
0xffd00004UL, /* 0: IPRA */
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
index 29090035bc5..51b386d454d 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
@@ -17,7 +17,6 @@
#include <asm/clock.h>
#include <asm/freq.h>
-#define SH7722_PLL_FREQ (32000000/8)
#define N (-1)
#define NM (-2)
#define ROUND_NEAREST 0
@@ -141,28 +140,36 @@ static void adjust_clocks(int originate, int *l, unsigned long v[],
*/
static int divisors2[] = { 2, 3, 4, 5, 6, 8, 10, 12, 16, 20, 24, 32, 40 };
+static void master_clk_recalc(struct clk *clk)
+{
+ unsigned frqcr = ctrl_inl(FRQCR);
+
+ clk->rate = CONFIG_SH_PCLK_FREQ * (((frqcr >> 24) & 0x1f) + 1);
+}
+
static void master_clk_init(struct clk *clk)
{
- clk_set_rate(clk, clk_get_rate(clk));
+ clk->parent = NULL;
+ clk->flags |= CLK_RATE_PROPAGATES;
+ clk->rate = CONFIG_SH_PCLK_FREQ;
+ master_clk_recalc(clk);
}
-static void master_clk_recalc(struct clk *clk)
+
+static void module_clk_recalc(struct clk *clk)
{
unsigned long frqcr = ctrl_inl(FRQCR);
- clk->rate = CONFIG_SH_PCLK_FREQ * (1 + (frqcr >> 24 & 0xF));
+ clk->rate = clk->parent->rate / (((frqcr >> 24) & 0x1f) + 1);
}
static int master_clk_setrate(struct clk *clk, unsigned long rate, int id)
{
- int div = rate / SH7722_PLL_FREQ;
+ int div = rate / clk->rate;
int master_divs[] = { 2, 3, 4, 6, 8, 16 };
int index;
unsigned long frqcr;
- if (rate < SH7722_PLL_FREQ * 2)
- return -EINVAL;
-
for (index = 1; index < ARRAY_SIZE(master_divs); index++)
if (div >= master_divs[index - 1] && div < master_divs[index])
break;
@@ -185,6 +192,10 @@ static struct clk_ops sh7722_master_clk_ops = {
.set_rate = master_clk_setrate,
};
+static struct clk_ops sh7722_module_clk_ops = {
+ .recalc = module_clk_recalc,
+};
+
struct frqcr_context {
unsigned mask;
unsigned shift;
@@ -489,7 +500,7 @@ static void sh7722_siu_recalc(struct clk *clk)
if (siu < 0)
return /* siu */ ;
- BUG_ON(siu > 1);
+ BUG_ON(siu > 2);
r = ctrl_inl(sh7722_siu_regs[siu]);
clk->rate = clk->parent->rate * 2 / divisors2[r & 0xF];
}
@@ -571,7 +582,7 @@ static struct clk *sh7722_clocks[] = {
*/
struct clk_ops *onchip_ops[] = {
&sh7722_master_clk_ops,
- &sh7722_frqcr_clk_ops,
+ &sh7722_module_clk_ops,
&sh7722_frqcr_clk_ops,
&sh7722_frqcr_clk_ops,
};
@@ -583,7 +594,7 @@ arch_init_clk_ops(struct clk_ops **ops, int type)
*ops = onchip_ops[type];
}
-int __init sh7722_clock_init(void)
+int __init arch_clk_init(void)
{
struct clk *master;
int i;
@@ -597,4 +608,3 @@ int __init sh7722_clock_init(void)
clk_put(master);
return 0;
}
-arch_initcall(sh7722_clock_init);
diff --git a/arch/sh/kernel/kgdb_stub.c b/arch/sh/kernel/kgdb_stub.c
index a5323364cbc..edd1ec214e6 100644
--- a/arch/sh/kernel/kgdb_stub.c
+++ b/arch/sh/kernel/kgdb_stub.c
@@ -2,7 +2,7 @@
* May be copied or modified under the terms of the GNU General Public
* License. See linux/COPYING for more information.
*
- * Containes extracts from code by Glenn Engel, Jim Kingdon,
+ * Contains extracts from code by Glenn Engel, Jim Kingdon,
* David Grothe <dave@gcom.com>, Tigran Aivazian <tigran@sco.com>,
* Amit S. Kale <akale@veritas.com>, William Gatliff <bgat@open-widgets.com>,
* Ben Lee, Steve Chamberlain and Benoit Miller <fulg@iname.com>.
@@ -85,7 +85,7 @@
*
* Responses can be run-length encoded to save space. A '*' means that
* the next character is an ASCII encoding giving a repeat count which
- * stands for that many repititions of the character preceding the '*'.
+ * stands for that many repetitions of the character preceding the '*'.
* The encoding is n+29, yielding a printable character where n >=3
* (which is where RLE starts to win). Don't use an n > 126.
*
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index 6b4f5748d0b..a11e2aa73cb 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -26,8 +26,6 @@
static int hlt_counter;
int ubc_usercnt = 0;
-#define HARD_IDLE_TIMEOUT (HZ / 3)
-
void (*pm_idle)(void);
void (*pm_power_off)(void);
EXPORT_SYMBOL(pm_power_off);
@@ -44,16 +42,39 @@ void enable_hlt(void)
}
EXPORT_SYMBOL(enable_hlt);
+static int __init nohlt_setup(char *__unused)
+{
+ hlt_counter = 1;
+ return 1;
+}
+__setup("nohlt", nohlt_setup);
+
+static int __init hlt_setup(char *__unused)
+{
+ hlt_counter = 0;
+ return 1;
+}
+__setup("hlt", hlt_setup);
+
void default_idle(void)
{
- if (!hlt_counter)
- cpu_sleep();
- else
- cpu_relax();
+ if (!hlt_counter) {
+ clear_thread_flag(TIF_POLLING_NRFLAG);
+ smp_mb__after_clear_bit();
+ set_bl_bit();
+ while (!need_resched())
+ cpu_sleep();
+ clear_bl_bit();
+ set_thread_flag(TIF_POLLING_NRFLAG);
+ } else
+ while (!need_resched())
+ cpu_relax();
}
void cpu_idle(void)
{
+ set_thread_flag(TIF_POLLING_NRFLAG);
+
/* endless idle loop with no priority at all */
while (1) {
void (*idle)(void) = pm_idle;
diff --git a/arch/sh/kernel/syscalls.S b/arch/sh/kernel/syscalls.S
index 4357d1a6358..7db1c2dc599 100644
--- a/arch/sh/kernel/syscalls.S
+++ b/arch/sh/kernel/syscalls.S
@@ -355,3 +355,6 @@ ENTRY(sys_call_table)
.long sys_getcpu
.long sys_epoll_pwait
.long sys_utimensat /* 320 */
+ .long sys_signalfd
+ .long sys_timerfd
+ .long sys_eventfd
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index 3a197649cd8..5b75cb6f8f9 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -21,6 +21,7 @@
#include <linux/bug.h>
#include <linux/debug_locks.h>
#include <linux/kdebug.h>
+#include <linux/kexec.h>
#include <linux/limits.h>
#include <asm/system.h>
#include <asm/uaccess.h>
@@ -101,6 +102,16 @@ void die(const char * str, struct pt_regs * regs, long err)
bust_spinlocks(0);
spin_unlock_irq(&die_lock);
+
+ if (kexec_should_crash(current))
+ crash_kexec(regs);
+
+ if (in_interrupt())
+ panic("Fatal exception in interrupt");
+
+ if (panic_on_oops)
+ panic("Fatal exception");
+
do_exit(SIGSEGV);
}
@@ -513,7 +524,7 @@ static int handle_unaligned_access(u16 instruction, struct pt_regs *regs)
* misaligned data access
* access to >= 0x80000000 is user mode
* Unfortuntaly we can't distinguish between instruction address error
- * and data address errors caused by read acceses.
+ * and data address errors caused by read accesses.
*/
asmlinkage void do_address_error(struct pt_regs *regs,
unsigned long writeaccess,
diff --git a/arch/sh/math-emu/math.c b/arch/sh/math-emu/math.c
index 1efbac15ff4..a38e1eed9e7 100644
--- a/arch/sh/math-emu/math.c
+++ b/arch/sh/math-emu/math.c
@@ -148,7 +148,7 @@ fmac(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m, int n)
return 0;
}
-// to process fmov's extention (odd n for DR access XD).
+// to process fmov's extension (odd n for DR access XD).
#define FMOV_EXT(x) if(x&1) x+=16-1
static int
diff --git a/arch/sh/mm/copy_page.S b/arch/sh/mm/copy_page.S
index 397c94c9731..ae039f2da16 100644
--- a/arch/sh/mm/copy_page.S
+++ b/arch/sh/mm/copy_page.S
@@ -129,6 +129,7 @@ ENTRY(__copy_user_page)
rts
nop
#endif
+ .align 2
.Lpsz: .long PAGE_SIZE
/*
* __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n);
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index 9207da67ff8..c878faa4ae4 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -15,43 +15,11 @@
#include <linux/mm.h>
#include <linux/hardirq.h>
#include <linux/kprobes.h>
-#include <linux/kdebug.h>
#include <asm/system.h>
#include <asm/mmu_context.h>
#include <asm/tlbflush.h>
#include <asm/kgdb.h>
-#ifdef CONFIG_KPROBES
-ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain);
-
-/* Hook to register for page fault notifications */
-int register_page_fault_notifier(struct notifier_block *nb)
-{
- return atomic_notifier_chain_register(&notify_page_fault_chain, nb);
-}
-
-int unregister_page_fault_notifier(struct notifier_block *nb)
-{
- return atomic_notifier_chain_unregister(&notify_page_fault_chain, nb);
-}
-
-static inline int notify_page_fault(enum die_val val, struct pt_regs *regs,
- int trap, int sig)
-{
- struct die_args args = {
- .regs = regs,
- .trapnr = trap,
- };
- return atomic_notifier_call_chain(&notify_page_fault_chain, val, &args);
-}
-#else
-static inline int notify_page_fault(enum die_val val, struct pt_regs *regs,
- int trap, int sig)
-{
- return NOTIFY_DONE;
-}
-#endif
-
/*
* This routine handles page faults. It determines the address,
* and the problem, and then passes it off to one of the appropriate
@@ -69,11 +37,6 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
siginfo_t info;
trace_hardirqs_on();
-
- if (notify_page_fault(DIE_PAGE_FAULT, regs,
- writeaccess, SIGSEGV) == NOTIFY_STOP)
- return;
-
local_irq_enable();
#ifdef CONFIG_SH_KGDB
@@ -285,7 +248,7 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs,
pte_t *pte;
pte_t entry;
struct mm_struct *mm = current->mm;
- spinlock_t *ptl;
+ spinlock_t *ptl = NULL;
int ret = 1;
#ifdef CONFIG_SH_KGDB
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 8fe223a890e..e0e644ff320 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/bootmem.h>
#include <linux/proc_fs.h>
+#include <linux/pagemap.h>
#include <linux/percpu.h>
#include <linux/io.h>
#include <asm/mmu_context.h>
@@ -112,7 +113,7 @@ static void set_pte_phys(unsigned long addr, unsigned long phys, pgprot_t prot)
* As a performance optimization, other platforms preserve the fixmap mapping
* across a context switch, we don't presently do this, but this could be done
* in a similar fashion as to the wired TLB interface that sh64 uses (by way
- * of the memorry mapped UTLB configuration) -- this unfortunately forces us to
+ * of the memory mapped UTLB configuration) -- this unfortunately forces us to
* give up a TLB entry for each mapping we want to preserve. While this may be
* viable for a small number of fixmaps, it's not particularly useful for
* everything and needs to be carefully evaluated. (ie, we may want this for
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index 02aae06527d..b6a5a338145 100644
--- a/arch/sh/mm/pmb.c
+++ b/arch/sh/mm/pmb.c
@@ -3,7 +3,7 @@
*
* Privileged Space Mapping Buffer (PMB) Support.
*
- * Copyright (C) 2005, 2006 Paul Mundt
+ * Copyright (C) 2005, 2006, 2007 Paul Mundt
*
* P1/P2 Section mapping definitions from map32.h, which was:
*
@@ -68,6 +68,32 @@ static inline unsigned long mk_pmb_data(unsigned int entry)
return mk_pmb_entry(entry) | PMB_DATA;
}
+static DEFINE_SPINLOCK(pmb_list_lock);
+static struct pmb_entry *pmb_list;
+
+static inline void pmb_list_add(struct pmb_entry *pmbe)
+{
+ struct pmb_entry **p, *tmp;
+
+ p = &pmb_list;
+ while ((tmp = *p) != NULL)
+ p = &tmp->next;
+
+ pmbe->next = tmp;
+ *p = pmbe;
+}
+
+static inline void pmb_list_del(struct pmb_entry *pmbe)
+{
+ struct pmb_entry **p, *tmp;
+
+ for (p = &pmb_list; (tmp = *p); p = &tmp->next)
+ if (tmp == pmbe) {
+ *p = tmp->next;
+ return;
+ }
+}
+
struct pmb_entry *pmb_alloc(unsigned long vpn, unsigned long ppn,
unsigned long flags)
{
@@ -81,11 +107,19 @@ struct pmb_entry *pmb_alloc(unsigned long vpn, unsigned long ppn,
pmbe->ppn = ppn;
pmbe->flags = flags;
+ spin_lock_irq(&pmb_list_lock);
+ pmb_list_add(pmbe);
+ spin_unlock_irq(&pmb_list_lock);
+
return pmbe;
}
void pmb_free(struct pmb_entry *pmbe)
{
+ spin_lock_irq(&pmb_list_lock);
+ pmb_list_del(pmbe);
+ spin_unlock_irq(&pmb_list_lock);
+
kmem_cache_free(pmb_cache, pmbe);
}
@@ -167,31 +201,6 @@ void clear_pmb_entry(struct pmb_entry *pmbe)
clear_bit(entry, &pmb_map);
}
-static DEFINE_SPINLOCK(pmb_list_lock);
-static struct pmb_entry *pmb_list;
-
-static inline void pmb_list_add(struct pmb_entry *pmbe)
-{
- struct pmb_entry **p, *tmp;
-
- p = &pmb_list;
- while ((tmp = *p) != NULL)
- p = &tmp->next;
-
- pmbe->next = tmp;
- *p = pmbe;
-}
-
-static inline void pmb_list_del(struct pmb_entry *pmbe)
-{
- struct pmb_entry **p, *tmp;
-
- for (p = &pmb_list; (tmp = *p); p = &tmp->next)
- if (tmp == pmbe) {
- *p = tmp->next;
- return;
- }
-}
static struct {
unsigned long size;
@@ -283,25 +292,14 @@ void pmb_unmap(unsigned long addr)
} while (pmbe);
}
-static void pmb_cache_ctor(void *pmb, struct kmem_cache *cachep, unsigned long flags)
+static void pmb_cache_ctor(void *pmb, struct kmem_cache *cachep,
+ unsigned long flags)
{
struct pmb_entry *pmbe = pmb;
memset(pmb, 0, sizeof(struct pmb_entry));
- spin_lock_irq(&pmb_list_lock);
-
pmbe->entry = PMB_NO_ENTRY;
- pmb_list_add(pmbe);
-
- spin_unlock_irq(&pmb_list_lock);
-}
-
-static void pmb_cache_dtor(void *pmb, struct kmem_cache *cachep, unsigned long flags)
-{
- spin_lock_irq(&pmb_list_lock);
- pmb_list_del(pmb);
- spin_unlock_irq(&pmb_list_lock);
}
static int __init pmb_init(void)
@@ -312,8 +310,7 @@ static int __init pmb_init(void)
BUG_ON(unlikely(nr_entries >= NR_PMB_ENTRIES));
pmb_cache = kmem_cache_create("pmb", sizeof(struct pmb_entry), 0,
- SLAB_PANIC, pmb_cache_ctor,
- pmb_cache_dtor);
+ SLAB_PANIC, pmb_cache_ctor, NULL);
jump_to_P2();
diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types
index 554f801db67..fb40f188aff 100644
--- a/arch/sh/tools/mach-types
+++ b/arch/sh/tools/mach-types
@@ -7,8 +7,11 @@
#
SE SH_SOLUTION_ENGINE
7751SE SH_7751_SOLUTION_ENGINE
+7722SE SH_7722_SOLUTION_ENGINE
7300SE SH_7300_SOLUTION_ENGINE
7343SE SH_7343_SOLUTION_ENGINE
+7206SE SH_7206_SOLUTION_ENGINE
+7619SE SH_7619_SOLUTION_ENGINE
7780SE SH_7780_SOLUTION_ENGINE
73180SE SH_73180_SOLUTION_ENGINE
7751SYSTEMH SH_7751_SYSTEMH
@@ -31,5 +34,3 @@ R7785RP SH_R7785RP
TITAN SH_TITAN
SHMIN SH_SHMIN
7710VOIPGW SH_7710VOIPGW
-7206SE SH_7206_SOLUTION_ENGINE
-7619SE SH_7619_SOLUTION_ENGINE