mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-21 16:29:59 +00:00
[ARM] S3C: Split the resume memory check code from pm.c
Split the optional memory check code out of the pm.c file as it is quite a big #ifdef block and as-such can be moved out and simply compiled when the configuration is set. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
parent
6419711a16
commit
549c7e33ae
4 changed files with 240 additions and 203 deletions
|
@ -21,6 +21,7 @@ obj-y += gpio-config.o
|
||||||
# PM support
|
# PM support
|
||||||
|
|
||||||
obj-$(CONFIG_PM) += pm.o
|
obj-$(CONFIG_PM) += pm.o
|
||||||
|
obj-$(CONFIG_S3C2410_PM_CHECK) += pm-check.o
|
||||||
|
|
||||||
# devices
|
# devices
|
||||||
|
|
||||||
|
|
|
@ -101,3 +101,15 @@ extern void s3c_pm_dbg(const char *msg, ...);
|
||||||
#else
|
#else
|
||||||
#define S3C_PMDBG(fmt...) printk(KERN_DEBUG fmt)
|
#define S3C_PMDBG(fmt...) printk(KERN_DEBUG fmt)
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
/* suspend memory checking */
|
||||||
|
|
||||||
|
#ifdef CONFIG_S3C2410_PM_CHECK
|
||||||
|
extern void s3c_pm_check_prepare(void);
|
||||||
|
extern void s3c_pm_check_restore(void);
|
||||||
|
extern void s3c_pm_check_store(void);
|
||||||
|
#else
|
||||||
|
#define s3c_pm_check_prepare() do { } while(0)
|
||||||
|
#define s3c_pm_check_restore() do { } while(0)
|
||||||
|
#define s3c_pm_check_store() do { } while(0)
|
||||||
|
#endif
|
||||||
|
|
220
arch/arm/plat-s3c/pm-check.c
Normal file
220
arch/arm/plat-s3c/pm-check.c
Normal file
|
@ -0,0 +1,220 @@
|
||||||
|
/* linux/arch/arm/plat-s3c/pm-check.c
|
||||||
|
* originally in linux/arch/arm/plat-s3c24xx/pm.c
|
||||||
|
*
|
||||||
|
* Copyright (c) 2004,2006,2008 Simtec Electronics
|
||||||
|
* http://armlinux.simtec.co.uk
|
||||||
|
* Ben Dooks <ben@simtec.co.uk>
|
||||||
|
*
|
||||||
|
* S3C Power Mangament - suspend/resume memory corruptiuon check.
|
||||||
|
*
|
||||||
|
* 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/suspend.h>
|
||||||
|
#include <linux/init.h>
|
||||||
|
#include <linux/crc32.h>
|
||||||
|
#include <linux/ioport.h>
|
||||||
|
|
||||||
|
#include <plat/pm.h>
|
||||||
|
|
||||||
|
#if CONFIG_S3C2410_PM_CHECK_CHUNKSIZE < 1
|
||||||
|
#error CONFIG_S3C2410_PM_CHECK_CHUNKSIZE must be a positive non-zero value
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* suspend checking code...
|
||||||
|
*
|
||||||
|
* this next area does a set of crc checks over all the installed
|
||||||
|
* memory, so the system can verify if the resume was ok.
|
||||||
|
*
|
||||||
|
* CONFIG_S3C2410_PM_CHECK_CHUNKSIZE defines the block-size for the CRC,
|
||||||
|
* increasing it will mean that the area corrupted will be less easy to spot,
|
||||||
|
* and reducing the size will cause the CRC save area to grow
|
||||||
|
*/
|
||||||
|
|
||||||
|
#define CHECK_CHUNKSIZE (CONFIG_S3C2410_PM_CHECK_CHUNKSIZE * 1024)
|
||||||
|
|
||||||
|
static u32 crc_size; /* size needed for the crc block */
|
||||||
|
static u32 *crcs; /* allocated over suspend/resume */
|
||||||
|
|
||||||
|
typedef u32 *(run_fn_t)(struct resource *ptr, u32 *arg);
|
||||||
|
|
||||||
|
/* s3c_pm_run_res
|
||||||
|
*
|
||||||
|
* go through the given resource list, and look for system ram
|
||||||
|
*/
|
||||||
|
|
||||||
|
static void s3c_pm_run_res(struct resource *ptr, run_fn_t fn, u32 *arg)
|
||||||
|
{
|
||||||
|
while (ptr != NULL) {
|
||||||
|
if (ptr->child != NULL)
|
||||||
|
s3c_pm_run_res(ptr->child, fn, arg);
|
||||||
|
|
||||||
|
if ((ptr->flags & IORESOURCE_MEM) &&
|
||||||
|
strcmp(ptr->name, "System RAM") == 0) {
|
||||||
|
S3C_PMDBG("Found system RAM at %08lx..%08lx\n",
|
||||||
|
ptr->start, ptr->end);
|
||||||
|
arg = (fn)(ptr, arg);
|
||||||
|
}
|
||||||
|
|
||||||
|
ptr = ptr->sibling;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void s3c_pm_run_sysram(run_fn_t fn, u32 *arg)
|
||||||
|
{
|
||||||
|
s3c_pm_run_res(&iomem_resource, fn, arg);
|
||||||
|
}
|
||||||
|
|
||||||
|
static u32 *s3c_pm_countram(struct resource *res, u32 *val)
|
||||||
|
{
|
||||||
|
u32 size = (u32)(res->end - res->start)+1;
|
||||||
|
|
||||||
|
size += CHECK_CHUNKSIZE-1;
|
||||||
|
size /= CHECK_CHUNKSIZE;
|
||||||
|
|
||||||
|
S3C_PMDBG("Area %08lx..%08lx, %d blocks\n", res->start, res->end, size);
|
||||||
|
|
||||||
|
*val += size * sizeof(u32);
|
||||||
|
return val;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* s3c_pm_prepare_check
|
||||||
|
*
|
||||||
|
* prepare the necessary information for creating the CRCs. This
|
||||||
|
* must be done before the final save, as it will require memory
|
||||||
|
* allocating, and thus touching bits of the kernel we do not
|
||||||
|
* know about.
|
||||||
|
*/
|
||||||
|
|
||||||
|
void s3c_pm_check_prepare(void)
|
||||||
|
{
|
||||||
|
crc_size = 0;
|
||||||
|
|
||||||
|
s3c_pm_run_sysram(s3c_pm_countram, &crc_size);
|
||||||
|
|
||||||
|
S3C_PMDBG("s3c_pm_prepare_check: %u checks needed\n", crc_size);
|
||||||
|
|
||||||
|
crcs = kmalloc(crc_size+4, GFP_KERNEL);
|
||||||
|
if (crcs == NULL)
|
||||||
|
printk(KERN_ERR "Cannot allocated CRC save area\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
static u32 *s3c_pm_makecheck(struct resource *res, u32 *val)
|
||||||
|
{
|
||||||
|
unsigned long addr, left;
|
||||||
|
|
||||||
|
for (addr = res->start; addr < res->end;
|
||||||
|
addr += CHECK_CHUNKSIZE) {
|
||||||
|
left = res->end - addr;
|
||||||
|
|
||||||
|
if (left > CHECK_CHUNKSIZE)
|
||||||
|
left = CHECK_CHUNKSIZE;
|
||||||
|
|
||||||
|
*val = crc32_le(~0, phys_to_virt(addr), left);
|
||||||
|
val++;
|
||||||
|
}
|
||||||
|
|
||||||
|
return val;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* s3c_pm_check_store
|
||||||
|
*
|
||||||
|
* compute the CRC values for the memory blocks before the final
|
||||||
|
* sleep.
|
||||||
|
*/
|
||||||
|
|
||||||
|
void s3c_pm_check_store(void)
|
||||||
|
{
|
||||||
|
if (crcs != NULL)
|
||||||
|
s3c_pm_run_sysram(s3c_pm_makecheck, crcs);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* in_region
|
||||||
|
*
|
||||||
|
* return TRUE if the area defined by ptr..ptr+size contains the
|
||||||
|
* what..what+whatsz
|
||||||
|
*/
|
||||||
|
|
||||||
|
static inline int in_region(void *ptr, int size, void *what, size_t whatsz)
|
||||||
|
{
|
||||||
|
if ((what+whatsz) < ptr)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
if (what > (ptr+size))
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* s3c_pm_runcheck*() - helper to check a resource on restore.
|
||||||
|
* @res: The resource to check
|
||||||
|
* @vak: Pointer to list of CRC32 values to check.
|
||||||
|
*
|
||||||
|
* Called from the s3c_pm_check_restore() via s3c_pm_run_sysram(), this
|
||||||
|
* function runs the given memory resource checking it against the stored
|
||||||
|
* CRC to ensure that memory is restored. The function tries to skip as
|
||||||
|
* many of the areas used during the suspend process.
|
||||||
|
*/
|
||||||
|
static u32 *s3c_pm_runcheck(struct resource *res, u32 *val)
|
||||||
|
{
|
||||||
|
void *save_at = phys_to_virt(s3c_sleep_save_phys);
|
||||||
|
unsigned long addr;
|
||||||
|
unsigned long left;
|
||||||
|
void *ptr;
|
||||||
|
u32 calc;
|
||||||
|
|
||||||
|
for (addr = res->start; addr < res->end;
|
||||||
|
addr += CHECK_CHUNKSIZE) {
|
||||||
|
left = res->end - addr;
|
||||||
|
|
||||||
|
if (left > CHECK_CHUNKSIZE)
|
||||||
|
left = CHECK_CHUNKSIZE;
|
||||||
|
|
||||||
|
ptr = phys_to_virt(addr);
|
||||||
|
|
||||||
|
if (in_region(ptr, left, crcs, crc_size)) {
|
||||||
|
S3C_PMDBG("skipping %08lx, has crc block in\n", addr);
|
||||||
|
goto skip_check;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (in_region(ptr, left, save_at, 32*4 )) {
|
||||||
|
S3C_PMDBG("skipping %08lx, has save block in\n", addr);
|
||||||
|
goto skip_check;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* calculate and check the checksum */
|
||||||
|
|
||||||
|
calc = crc32_le(~0, ptr, left);
|
||||||
|
if (calc != *val) {
|
||||||
|
printk(KERN_ERR "Restore CRC error at "
|
||||||
|
"%08lx (%08x vs %08x)\n", addr, calc, *val);
|
||||||
|
|
||||||
|
S3C_PMDBG("Restore CRC error at %08lx (%08x vs %08x)\n",
|
||||||
|
addr, calc, *val);
|
||||||
|
}
|
||||||
|
|
||||||
|
skip_check:
|
||||||
|
val++;
|
||||||
|
}
|
||||||
|
|
||||||
|
return val;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* s3c_pm_check_restore() - memory check called on resume
|
||||||
|
*
|
||||||
|
* check the CRCs after the restore event and free the memory used
|
||||||
|
* to hold them
|
||||||
|
*/
|
||||||
|
void s3c_pm_check_restore(void)
|
||||||
|
{
|
||||||
|
if (crcs != NULL) {
|
||||||
|
s3c_pm_run_sysram(s3c_pm_runcheck, crcs);
|
||||||
|
kfree(crcs);
|
||||||
|
crcs = NULL;
|
||||||
|
}
|
||||||
|
}
|
|
@ -31,8 +31,6 @@
|
||||||
#include <linux/errno.h>
|
#include <linux/errno.h>
|
||||||
#include <linux/time.h>
|
#include <linux/time.h>
|
||||||
#include <linux/interrupt.h>
|
#include <linux/interrupt.h>
|
||||||
#include <linux/crc32.h>
|
|
||||||
#include <linux/ioport.h>
|
|
||||||
#include <linux/serial_core.h>
|
#include <linux/serial_core.h>
|
||||||
#include <linux/io.h>
|
#include <linux/io.h>
|
||||||
|
|
||||||
|
@ -159,200 +157,6 @@ static void s3c2410_pm_debug_init(void)
|
||||||
static struct sleep_save uart_save[] = {};
|
static struct sleep_save uart_save[] = {};
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#if defined(CONFIG_S3C2410_PM_CHECK) && CONFIG_S3C2410_PM_CHECK_CHUNKSIZE != 0
|
|
||||||
|
|
||||||
/* suspend checking code...
|
|
||||||
*
|
|
||||||
* this next area does a set of crc checks over all the installed
|
|
||||||
* memory, so the system can verify if the resume was ok.
|
|
||||||
*
|
|
||||||
* CONFIG_S3C2410_PM_CHECK_CHUNKSIZE defines the block-size for the CRC,
|
|
||||||
* increasing it will mean that the area corrupted will be less easy to spot,
|
|
||||||
* and reducing the size will cause the CRC save area to grow
|
|
||||||
*/
|
|
||||||
|
|
||||||
#define CHECK_CHUNKSIZE (CONFIG_S3C2410_PM_CHECK_CHUNKSIZE * 1024)
|
|
||||||
|
|
||||||
static u32 crc_size; /* size needed for the crc block */
|
|
||||||
static u32 *crcs; /* allocated over suspend/resume */
|
|
||||||
|
|
||||||
typedef u32 *(run_fn_t)(struct resource *ptr, u32 *arg);
|
|
||||||
|
|
||||||
/* s3c2410_pm_run_res
|
|
||||||
*
|
|
||||||
* go thorugh the given resource list, and look for system ram
|
|
||||||
*/
|
|
||||||
|
|
||||||
static void s3c2410_pm_run_res(struct resource *ptr, run_fn_t fn, u32 *arg)
|
|
||||||
{
|
|
||||||
while (ptr != NULL) {
|
|
||||||
if (ptr->child != NULL)
|
|
||||||
s3c2410_pm_run_res(ptr->child, fn, arg);
|
|
||||||
|
|
||||||
if ((ptr->flags & IORESOURCE_MEM) &&
|
|
||||||
strcmp(ptr->name, "System RAM") == 0) {
|
|
||||||
S3C_PMDBG("Found system RAM at %08lx..%08lx\n",
|
|
||||||
ptr->start, ptr->end);
|
|
||||||
arg = (fn)(ptr, arg);
|
|
||||||
}
|
|
||||||
|
|
||||||
ptr = ptr->sibling;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void s3c2410_pm_run_sysram(run_fn_t fn, u32 *arg)
|
|
||||||
{
|
|
||||||
s3c2410_pm_run_res(&iomem_resource, fn, arg);
|
|
||||||
}
|
|
||||||
|
|
||||||
static u32 *s3c2410_pm_countram(struct resource *res, u32 *val)
|
|
||||||
{
|
|
||||||
u32 size = (u32)(res->end - res->start)+1;
|
|
||||||
|
|
||||||
size += CHECK_CHUNKSIZE-1;
|
|
||||||
size /= CHECK_CHUNKSIZE;
|
|
||||||
|
|
||||||
S3C_PMDBG("Area %08lx..%08lx, %d blocks\n", res->start, res->end, size);
|
|
||||||
|
|
||||||
*val += size * sizeof(u32);
|
|
||||||
return val;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* s3c2410_pm_prepare_check
|
|
||||||
*
|
|
||||||
* prepare the necessary information for creating the CRCs. This
|
|
||||||
* must be done before the final save, as it will require memory
|
|
||||||
* allocating, and thus touching bits of the kernel we do not
|
|
||||||
* know about.
|
|
||||||
*/
|
|
||||||
|
|
||||||
static void s3c2410_pm_check_prepare(void)
|
|
||||||
{
|
|
||||||
crc_size = 0;
|
|
||||||
|
|
||||||
s3c2410_pm_run_sysram(s3c2410_pm_countram, &crc_size);
|
|
||||||
|
|
||||||
S3C_PMDBG("s3c2410_pm_prepare_check: %u checks needed\n", crc_size);
|
|
||||||
|
|
||||||
crcs = kmalloc(crc_size+4, GFP_KERNEL);
|
|
||||||
if (crcs == NULL)
|
|
||||||
printk(KERN_ERR "Cannot allocated CRC save area\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
static u32 *s3c2410_pm_makecheck(struct resource *res, u32 *val)
|
|
||||||
{
|
|
||||||
unsigned long addr, left;
|
|
||||||
|
|
||||||
for (addr = res->start; addr < res->end;
|
|
||||||
addr += CHECK_CHUNKSIZE) {
|
|
||||||
left = res->end - addr;
|
|
||||||
|
|
||||||
if (left > CHECK_CHUNKSIZE)
|
|
||||||
left = CHECK_CHUNKSIZE;
|
|
||||||
|
|
||||||
*val = crc32_le(~0, phys_to_virt(addr), left);
|
|
||||||
val++;
|
|
||||||
}
|
|
||||||
|
|
||||||
return val;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* s3c2410_pm_check_store
|
|
||||||
*
|
|
||||||
* compute the CRC values for the memory blocks before the final
|
|
||||||
* sleep.
|
|
||||||
*/
|
|
||||||
|
|
||||||
static void s3c2410_pm_check_store(void)
|
|
||||||
{
|
|
||||||
if (crcs != NULL)
|
|
||||||
s3c2410_pm_run_sysram(s3c2410_pm_makecheck, crcs);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* in_region
|
|
||||||
*
|
|
||||||
* return TRUE if the area defined by ptr..ptr+size contatins the
|
|
||||||
* what..what+whatsz
|
|
||||||
*/
|
|
||||||
|
|
||||||
static inline int in_region(void *ptr, int size, void *what, size_t whatsz)
|
|
||||||
{
|
|
||||||
if ((what+whatsz) < ptr)
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
if (what > (ptr+size))
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
static u32 *s3c2410_pm_runcheck(struct resource *res, u32 *val)
|
|
||||||
{
|
|
||||||
void *save_at = phys_to_virt(s3c_sleep_save_phys);
|
|
||||||
unsigned long addr;
|
|
||||||
unsigned long left;
|
|
||||||
void *ptr;
|
|
||||||
u32 calc;
|
|
||||||
|
|
||||||
for (addr = res->start; addr < res->end;
|
|
||||||
addr += CHECK_CHUNKSIZE) {
|
|
||||||
left = res->end - addr;
|
|
||||||
|
|
||||||
if (left > CHECK_CHUNKSIZE)
|
|
||||||
left = CHECK_CHUNKSIZE;
|
|
||||||
|
|
||||||
ptr = phys_to_virt(addr);
|
|
||||||
|
|
||||||
if (in_region(ptr, left, crcs, crc_size)) {
|
|
||||||
S3C_PMDBG("skipping %08lx, has crc block in\n", addr);
|
|
||||||
goto skip_check;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (in_region(ptr, left, save_at, 32*4 )) {
|
|
||||||
S3C_PMDBG("skipping %08lx, has save block in\n", addr);
|
|
||||||
goto skip_check;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* calculate and check the checksum */
|
|
||||||
|
|
||||||
calc = crc32_le(~0, ptr, left);
|
|
||||||
if (calc != *val) {
|
|
||||||
printk(KERN_ERR PFX "Restore CRC error at "
|
|
||||||
"%08lx (%08x vs %08x)\n", addr, calc, *val);
|
|
||||||
|
|
||||||
S3C_PMDBG("Restore CRC error at %08lx (%08x vs %08x)\n",
|
|
||||||
addr, calc, *val);
|
|
||||||
}
|
|
||||||
|
|
||||||
skip_check:
|
|
||||||
val++;
|
|
||||||
}
|
|
||||||
|
|
||||||
return val;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* s3c2410_pm_check_restore
|
|
||||||
*
|
|
||||||
* check the CRCs after the restore event and free the memory used
|
|
||||||
* to hold them
|
|
||||||
*/
|
|
||||||
|
|
||||||
static void s3c2410_pm_check_restore(void)
|
|
||||||
{
|
|
||||||
if (crcs != NULL) {
|
|
||||||
s3c2410_pm_run_sysram(s3c2410_pm_runcheck, crcs);
|
|
||||||
kfree(crcs);
|
|
||||||
crcs = NULL;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#else
|
|
||||||
|
|
||||||
#define s3c2410_pm_check_prepare() do { } while(0)
|
|
||||||
#define s3c2410_pm_check_restore() do { } while(0)
|
|
||||||
#define s3c2410_pm_check_store() do { } while(0)
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* s3c2410_pm_show_resume_irqs
|
/* s3c2410_pm_show_resume_irqs
|
||||||
*
|
*
|
||||||
* print any IRQs asserted at resume time (ie, we woke from)
|
* print any IRQs asserted at resume time (ie, we woke from)
|
||||||
|
@ -372,13 +176,13 @@ static void s3c2410_pm_show_resume_irqs(int start, unsigned long which,
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/* s3c2410_pm_check_resume_pin
|
/* s3c_pm_check_resume_pin
|
||||||
*
|
*
|
||||||
* check to see if the pin is configured correctly for sleep mode, and
|
* check to see if the pin is configured correctly for sleep mode, and
|
||||||
* make any necessary adjustments if it is not
|
* make any necessary adjustments if it is not
|
||||||
*/
|
*/
|
||||||
|
|
||||||
static void s3c2410_pm_check_resume_pin(unsigned int pin, unsigned int irqoffs)
|
static void s3c_pm_check_resume_pin(unsigned int pin, unsigned int irqoffs)
|
||||||
{
|
{
|
||||||
unsigned long irqstate;
|
unsigned long irqstate;
|
||||||
unsigned long pinstate;
|
unsigned long pinstate;
|
||||||
|
@ -417,11 +221,11 @@ static void s3c2410_pm_configure_extint(void)
|
||||||
*/
|
*/
|
||||||
|
|
||||||
for (pin = S3C2410_GPF0; pin <= S3C2410_GPF7; pin++) {
|
for (pin = S3C2410_GPF0; pin <= S3C2410_GPF7; pin++) {
|
||||||
s3c2410_pm_check_resume_pin(pin, pin - S3C2410_GPF0);
|
s3c_pm_check_resume_pin(pin, pin - S3C2410_GPF0);
|
||||||
}
|
}
|
||||||
|
|
||||||
for (pin = S3C2410_GPG0; pin <= S3C2410_GPG7; pin++) {
|
for (pin = S3C2410_GPG0; pin <= S3C2410_GPG7; pin++) {
|
||||||
s3c2410_pm_check_resume_pin(pin, (pin - S3C2410_GPG0)+8);
|
s3c_pm_check_resume_pin(pin, (pin - S3C2410_GPG0)+8);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -642,7 +446,7 @@ static int s3c2410_pm_enter(suspend_state_t state)
|
||||||
|
|
||||||
/* prepare check area if configured */
|
/* prepare check area if configured */
|
||||||
|
|
||||||
s3c2410_pm_check_prepare();
|
s3c_pm_check_prepare();
|
||||||
|
|
||||||
/* store the physical address of the register recovery block */
|
/* store the physical address of the register recovery block */
|
||||||
|
|
||||||
|
@ -681,7 +485,7 @@ static int s3c2410_pm_enter(suspend_state_t state)
|
||||||
|
|
||||||
flush_cache_all();
|
flush_cache_all();
|
||||||
|
|
||||||
s3c2410_pm_check_store();
|
s3c_pm_check_store();
|
||||||
|
|
||||||
/* send the cpu to sleep... */
|
/* send the cpu to sleep... */
|
||||||
|
|
||||||
|
@ -723,7 +527,7 @@ static int s3c2410_pm_enter(suspend_state_t state)
|
||||||
|
|
||||||
S3C_PMDBG("post sleep, preparing to return\n");
|
S3C_PMDBG("post sleep, preparing to return\n");
|
||||||
|
|
||||||
s3c2410_pm_check_restore();
|
s3c_pm_check_restore();
|
||||||
|
|
||||||
/* ok, let's return from sleep */
|
/* ok, let's return from sleep */
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue