diff options
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/pm.h | 2 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/pm-check.c | 20 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/pm.c | 19 |
3 files changed, 33 insertions, 8 deletions
diff --git a/arch/arm/plat-s3c/include/plat/pm.h b/arch/arm/plat-s3c/include/plat/pm.h index c27b8cf5d891..5ee26da27028 100644 --- a/arch/arm/plat-s3c/include/plat/pm.h +++ b/arch/arm/plat-s3c/include/plat/pm.h @@ -129,10 +129,12 @@ extern void s3c_pm_dbg(const char *msg, ...); #ifdef CONFIG_S3C2410_PM_CHECK extern void s3c_pm_check_prepare(void); extern void s3c_pm_check_restore(void); +extern void s3c_pm_check_cleanup(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_cleanup() do { } while(0) #define s3c_pm_check_store() do { } while(0) #endif diff --git a/arch/arm/plat-s3c/pm-check.c b/arch/arm/plat-s3c/pm-check.c index 183f1304bf58..39f2555564da 100644 --- a/arch/arm/plat-s3c/pm-check.c +++ b/arch/arm/plat-s3c/pm-check.c @@ -222,9 +222,21 @@ static u32 *s3c_pm_runcheck(struct resource *res, u32 *val) */ void s3c_pm_check_restore(void) { - if (crcs != NULL) { + if (crcs != NULL) s3c_pm_run_sysram(s3c_pm_runcheck, crcs); - kfree(crcs); - crcs = NULL; - } } + +/** + * s3c_pm_check_cleanup() - free memory resources + * + * Free the resources that where allocated by the suspend + * memory check code. We do this separately from the + * s3c_pm_check_restore() function as we cannot call any + * functions that might sleep during that resume. + */ +void s3c_pm_check_cleanup(void) +{ + kfree(crcs); + crcs = NULL; +} + diff --git a/arch/arm/plat-s3c/pm.c b/arch/arm/plat-s3c/pm.c index 78bf50a14027..a0ca18a75b0e 100644 --- a/arch/arm/plat-s3c/pm.c +++ b/arch/arm/plat-s3c/pm.c @@ -254,10 +254,6 @@ static int s3c_pm_enter(suspend_state_t state) return -EINVAL; } - /* prepare check area if configured */ - - s3c_pm_check_prepare(); - /* store the physical address of the register recovery block */ s3c_sleep_save_phys = virt_to_phys(regs_save); @@ -329,8 +325,23 @@ static int s3c_pm_enter(suspend_state_t state) return 0; } +static int s3c_pm_prepare(void) +{ + /* prepare check area if configured */ + + s3c_pm_check_prepare(); + return 0; +} + +static void s3c_pm_finish(void) +{ + s3c_pm_check_cleanup(); +} + static struct platform_suspend_ops s3c_pm_ops = { .enter = s3c_pm_enter, + .prepare = s3c_pm_prepare, + .finish = s3c_pm_finish, .valid = suspend_valid_only_mem, }; |