From a78452203a2a1a852ed9d7b4be5ccf5dd72b5777 Mon Sep 17 00:00:00 2001 From: merge Date: Fri, 12 Dec 2008 11:56:13 +0000 Subject: MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1229078937-1229079488-1229082516-1229082771 pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1229078937-1229079488-1229082516-1229082771 / f410ecd0cc4642ae8b0f69c15fe349ea5639f5e2 ... parent commitmessage: From: merge MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1229078937-1229079488-1229082516 stable-tracking-hist top was MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1229078937-1229079488-1229082516 / 18f9a76ecc30ba8eee5de0627de3e7eb049775c3 ... parent commitmessage: From: merge MERGE-via-mokopatches-tracking-hist-MERGE-via-master-MERGE-via-master-hist-1229078937-1229079488 mokopatches-tracking-hist top was MERGE-via-master-MERGE-via-master-hist-1229078937-1229079488 / 7eb66508f95eeebbd7ad3487c5183b76524d4765 ... parent commitmessage: From: merge MERGE-via-master-MERGE-via-master-hist-1229078937 master top was MERGE-via-master-hist-1229078937 / ff0b5902f29135a782a3bfb68e3429b86669aea4 ... parent commitmessage: From: merge MERGE-master-patchset-edits --- arch/arm/plat-s3c/pm-check.c | 34 +++++++++++++++++++++++++++------- 1 file changed, 27 insertions(+), 7 deletions(-) (limited to 'arch/arm/plat-s3c/pm-check.c') diff --git a/arch/arm/plat-s3c/pm-check.c b/arch/arm/plat-s3c/pm-check.c index 7f21bef09c3..39f2555564d 100644 --- a/arch/arm/plat-s3c/pm-check.c +++ b/arch/arm/plat-s3c/pm-check.c @@ -43,7 +43,7 @@ typedef u32 *(run_fn_t)(struct resource *ptr, u32 *arg); /* s3c_pm_run_res * - * go thorugh the given resource list, and look for system ram + * 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) @@ -136,7 +136,7 @@ void s3c_pm_check_store(void) /* in_region * - * return TRUE if the area defined by ptr..ptr+size contatins the + * return TRUE if the area defined by ptr..ptr+size contains the * what..what+whatsz */ @@ -152,7 +152,7 @@ static inline int in_region(void *ptr, int size, void *what, size_t whatsz) } /** - * s3c_pm_runcheck*() - helper to check a resource on restore. + * s3c_pm_runcheck() - helper to check a resource on restore. * @res: The resource to check * @vak: Pointer to list of CRC32 values to check. * @@ -166,9 +166,12 @@ 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 *stkpage; void *ptr; u32 calc; + stkpage = (void *)((u32)&calc & ~PAGE_MASK); + for (addr = res->start; addr < res->end; addr += CHECK_CHUNKSIZE) { left = res->end - addr; @@ -178,6 +181,11 @@ static u32 *s3c_pm_runcheck(struct resource *res, u32 *val) ptr = phys_to_virt(addr); + if (in_region(ptr, left, stkpage, 4096)) { + S3C_PMDBG("skipping %08lx, has stack in\n", addr); + goto skip_check; + } + if (in_region(ptr, left, crcs, crc_size)) { S3C_PMDBG("skipping %08lx, has crc block in\n", addr); goto skip_check; @@ -214,9 +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; +} + -- cgit v1.2.3