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>
break;
case MTD_FILE_MODE_RAW:
- if (!mtd->read_oob || !mtd->write_oob)
+ if (!mtd_has_oob(mtd))
return -EOPNOTSUPP;
mfi->mode = arg;
if (!ftl->smallpagenand && mtd->oobsize < SM_OOB_SIZE)
return -ENODEV;
- /* We use these functions for IO */
- if (!mtd->read_oob || !mtd->write_oob)
+ /* We use OOB */
+ if (!mtd_has_oob(mtd))
return -ENODEV;
/* Find geometry information */
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;