diff options
| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2011-12-30 16:15:59 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-01-09 19:26:23 +0100 |
| commit | 079c985e7a6f4ce60f931cebfdd5ee3c38347e31 (patch) | |
| tree | b4db3f6e38409eeaa8daff4c17b8f642d0939177 | |
| parent | mtd: do not use mtd->lock, unlock and is_locked directly (diff) | |
| download | linux-079c985e7a6f4ce60f931cebfdd5ee3c38347e31.tar.xz linux-079c985e7a6f4ce60f931cebfdd5ee3c38347e31.zip | |
mtd: do not use mtd->suspend and mtd->resume directly
Just call the 'mtd_suspend()' and 'mtd_resume()' - they will do nothing
if the operation is not defined.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| -rw-r--r-- | drivers/mtd/maps/physmap.c | 5 | ||||
| -rw-r--r-- | drivers/mtd/maps/rbtx4939-flash.c | 5 | ||||
| -rw-r--r-- | drivers/mtd/mtdcore.c | 5 | ||||
| -rw-r--r-- | include/linux/mtd/mtd.h | 5 |
4 files changed, 9 insertions, 11 deletions
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c index d94cc62186c1..abc562653b31 100644 --- a/drivers/mtd/maps/physmap.c +++ b/drivers/mtd/maps/physmap.c @@ -190,9 +190,8 @@ static void physmap_flash_shutdown(struct platform_device *dev) int i; for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++) - if (info->mtd[i]->suspend && info->mtd[i]->resume) - if (mtd_suspend(info->mtd[i]) == 0) - mtd_resume(info->mtd[i]); + if (mtd_suspend(info->mtd[i]) == 0) + mtd_resume(info->mtd[i]); } #else #define physmap_flash_shutdown NULL diff --git a/drivers/mtd/maps/rbtx4939-flash.c b/drivers/mtd/maps/rbtx4939-flash.c index 717628312040..3da63fc6f16e 100644 --- a/drivers/mtd/maps/rbtx4939-flash.c +++ b/drivers/mtd/maps/rbtx4939-flash.c @@ -119,9 +119,8 @@ static void rbtx4939_flash_shutdown(struct platform_device *dev) { struct rbtx4939_flash_info *info = platform_get_drvdata(dev); - if (info->mtd->suspend && info->mtd->resume) - if (mtd_suspend(info->mtd) == 0) - mtd_resume(info->mtd); + if (mtd_suspend(info->mtd) == 0) + mtd_resume(info->mtd); } #else #define rbtx4939_flash_shutdown NULL diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 66494ee5355a..6ae9ca01388b 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -119,10 +119,7 @@ static int mtd_cls_suspend(struct device *dev, pm_message_t state) { struct mtd_info *mtd = dev_get_drvdata(dev); - if (mtd && mtd->suspend) - return mtd_suspend(mtd); - else - return 0; + return mtd_suspend(mtd); } static int mtd_cls_resume(struct device *dev) diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 6c91ba59c229..089370758fc9 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -427,12 +427,15 @@ static inline int mtd_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) static inline int mtd_suspend(struct mtd_info *mtd) { + if (!mtd->suspend) + return -EOPNOTSUPP; return mtd->suspend(mtd); } static inline void mtd_resume(struct mtd_info *mtd) { - mtd->resume(mtd); + if (mtd->resume) + mtd->resume(mtd); } static inline int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs) |