diff options
Diffstat (limited to 'drivers/mtd/mtdcore.c')
| -rw-r--r-- | drivers/mtd/mtdcore.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 60ad28efd4..ad61406dac 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -1031,6 +1031,18 @@ int mtd_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops) } EXPORT_SYMBOL_GPL(mtd_read_oob); +int mtd_write_oob(struct mtd_info *mtd, loff_t to, + struct mtd_oob_ops *ops) +{ + ops->retlen = ops->oobretlen = 0; + if (!mtd->_write_oob) + return -EOPNOTSUPP; + if (!(mtd->flags & MTD_WRITEABLE)) + return -EROFS; + return mtd->_write_oob(mtd, to, ops); +} +EXPORT_SYMBOL_GPL(mtd_write_oob); + /** * mtd_ooblayout_ecc - Get the OOB region definition of a specific ECC section * @mtd: MTD device structure |