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mtd: introduce mtd_has_oob helper

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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>
This commit is contained in:
Artem Bityutskiy
2011-12-28 18:35:07 +02:00
committed by David Woodhouse
parent 33c87b4a2c
commit fc002e3c32
3 changed files with 8 additions and 3 deletions
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5
include/linux/mtd/mtd.h
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@@ -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;