From: Frieder Schrempf <[email protected]> According to the datasheet of some Cypress SLC NANDs, the bad block markers can be in the first, second or last page of a block. So let's check all three locations.
Signed-off-by: Frieder Schrempf <[email protected]> --- drivers/mtd/nand/raw/nand_amd.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/raw/nand_amd.c b/drivers/mtd/nand/raw/nand_amd.c index 890c5b4..aad5f14 100644 --- a/drivers/mtd/nand/raw/nand_amd.c +++ b/drivers/mtd/nand/raw/nand_amd.c @@ -40,7 +40,13 @@ static void amd_nand_decode_id(struct nand_chip *chip) static int amd_nand_init(struct nand_chip *chip) { if (nand_is_slc(chip)) - chip->bbt_options |= NAND_BBT_SCAN2NDPAGE; + /* + * According to the datasheet of some Cypress SLC NANDs, + * the bad block markers can be in the first, second or last + * page of a block. So let's check all three locations. + */ + chip->bbt_options |= NAND_BBT_SCAN2NDPAGE | + NAND_BBT_SCANLASTPAGE; return 0; } -- 2.7.4
