diff options
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/mtd.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 13f8052b9ff9..5bb42c6dacdc 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -322,6 +322,7 @@ struct mtd_info { int (*_block_isreserved) (struct mtd_info *mtd, loff_t ofs); int (*_block_isbad) (struct mtd_info *mtd, loff_t ofs); int (*_block_markbad) (struct mtd_info *mtd, loff_t ofs); + int (*_max_bad_blocks) (struct mtd_info *mtd, loff_t ofs, size_t len); int (*_suspend) (struct mtd_info *mtd); void (*_resume) (struct mtd_info *mtd); void (*_reboot) (struct mtd_info *mtd); @@ -397,6 +398,18 @@ static inline int mtd_oobavail(struct mtd_info *mtd, struct mtd_oob_ops *ops) return ops->mode == MTD_OPS_AUTO_OOB ? mtd->oobavail : mtd->oobsize; } +static inline int mtd_max_bad_blocks(struct mtd_info *mtd, + loff_t ofs, size_t len) +{ + if (!mtd->_max_bad_blocks) + return -ENOTSUPP; + + if (mtd->size < (len + ofs) || ofs < 0) + return -EINVAL; + + return mtd->_max_bad_blocks(mtd, ofs, len); +} + int mtd_wunit_to_pairing_info(struct mtd_info *mtd, int wunit, struct mtd_pairing_info *info); int mtd_pairing_info_to_wunit(struct mtd_info *mtd, |