diff options
Diffstat (limited to 'drivers/mtd/nand/nand_bbt.c')
| -rw-r--r-- | drivers/mtd/nand/nand_bbt.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c index 7f0c3b4c2a4f..443fa82cde6a 100644 --- a/drivers/mtd/nand/nand_bbt.c +++ b/drivers/mtd/nand/nand_bbt.c @@ -1311,6 +1311,20 @@ int nand_default_bbt(struct mtd_info *mtd) } /** + * nand_isreserved_bbt - [NAND Interface] Check if a block is reserved + * @mtd: MTD device structure + * @offs: offset in the device + */ +int nand_isreserved_bbt(struct mtd_info *mtd, loff_t offs) +{ + struct nand_chip *this = mtd->priv; + int block; + + block = (int)(offs >> this->bbt_erase_shift); + return bbt_get_entry(this, block) == BBT_BLOCK_RESERVED; +} + +/** * nand_isbad_bbt - [NAND Interface] Check if a block is bad * @mtd: MTD device structure * @offs: offset in the device |