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| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2011-12-28 20:35:07 +0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-01-09 22:26:08 +0400 |
| commit | fc002e3c320602d0e206f607aca0460540d7637a (patch) | |
| tree | 59a0a24c3f842da192febfcc5de263a339f1dcc5 /include/linux/mtd | |
| parent | 33c87b4a2c820316314542ce3f60b8a8c6a96928 (diff) | |
| download | linux-fc002e3c320602d0e206f607aca0460540d7637a.tar.xz | |
mtd: introduce mtd_has_oob helper
We are working in the direction of making sure that MTD clients to not
use 'mtd->func' pointers directly. In some places we want to know if
OOB operations are supported by an MTD device. Introduce 'mtd_has_oob()'
helper for these purposes.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/mtd.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index f0dd5a305b89..478701566ba7 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -454,6 +454,11 @@ static inline uint32_t mtd_mod_by_ws(uint64_t sz, struct mtd_info *mtd) return do_div(sz, mtd->writesize); } +static inline int mtd_has_oob(const struct mtd_info *mtd) +{ + return mtd->read_oob && mtd->write_oob; +} + /* Kernel-side ioctl definitions */ struct mtd_partition; |