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| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2011-12-23 19:21:16 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-01-09 18:25:42 +0000 |
| commit | e95e9786455c11c8eac30d76e5289d4e40187f9a (patch) | |
| tree | 6e6023478b39037d935d180d6fc3903bf4235165 | |
| parent | b66005cd3e6f104e0a1b6492110c337269b53ec3 (diff) | |
| download | linux-stable-e95e9786455c11c8eac30d76e5289d4e40187f9a.tar.gz linux-stable-e95e9786455c11c8eac30d76e5289d4e40187f9a.tar.bz2 linux-stable-e95e9786455c11c8eac30d76e5289d4e40187f9a.zip | |
mtd: introduce mtd_is_locked interface
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| -rw-r--r-- | drivers/mtd/mtdchar.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/mtdpart.c | 2 | ||||
| -rw-r--r-- | include/linux/mtd/mtd.h | 8 |
3 files changed, 8 insertions, 4 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index fe09cd2a4540..6d598b23cf3a 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -852,7 +852,7 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg) if (!mtd->is_locked) ret = -EOPNOTSUPP; else - ret = mtd->is_locked(mtd, einfo.start, einfo.length); + ret = mtd_is_locked(mtd, einfo.start, einfo.length); break; } diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index d65af3752331..ad487fcd423f 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -295,7 +295,7 @@ static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) struct mtd_part *part = PART(mtd); if ((len + ofs) > mtd->size) return -EINVAL; - return part->master->is_locked(part->master, ofs + part->offset, len); + return mtd_is_locked(part->master, ofs + part->offset, len); } static void part_sync(struct mtd_info *mtd) diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index f30c35886f7c..8b9901986c86 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -209,14 +209,13 @@ struct mtd_info { void (*sync) (struct mtd_info *mtd); int (*lock) (struct mtd_info *mtd, loff_t ofs, uint64_t len); int (*unlock) (struct mtd_info *mtd, loff_t ofs, uint64_t len); + int (*is_locked) (struct mtd_info *mtd, loff_t ofs, uint64_t len); /* Backing device capabilities for this device * - provides mmap capabilities */ struct backing_dev_info *backing_dev_info; - int (*is_locked) (struct mtd_info *mtd, loff_t ofs, uint64_t len); - /* Power Management functions */ int (*suspend) (struct mtd_info *mtd); void (*resume) (struct mtd_info *mtd); @@ -394,6 +393,11 @@ static inline int mtd_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) return mtd->unlock(mtd, ofs, len); } +static inline int mtd_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) +{ + return mtd->is_locked(mtd, ofs, len); +} + static inline struct mtd_info *dev_to_mtd(struct device *dev) { return dev ? dev_get_drvdata(dev) : NULL; |