diff options
| author |   Frieder Schrempf <frieder.schrempf@kontron.de> | 2019-04-17 12:36:37 +0000 |
|---|---|---|
| committer |   Miquel Raynal <miquel.raynal@bootlin.com> | 2019-04-18 08:54:08 +0200 |
| commit | 7a1894a955cc3bf0be0851421d6603c3b5c78323 (patch) | |
| tree | 06840ccdf79327c8ee31ee3bd630d52e37130787 /drivers/mtd | |
| parent | mtd: rawnand: Support bad block markers in first, second or last page (diff) | |
| download | linux-dev-7a1894a955cc3bf0be0851421d6603c3b5c78323.tar.xz linux-dev-7a1894a955cc3bf0be0851421d6603c3b5c78323.zip | |
mtd: rawnand: ESMT: Also use the last page for bad block markers
It is known that some ESMT SLC NANDs have been shipped
with the factory bad block markers in the first or last page
of the block, instead of the first or second page. To be on
the safe side, let's check all three locations.
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Reviewed-by: Boris Brezillon <bbrezillon@kernel.org>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/raw/nand_esmt.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/mtd/nand/raw/nand_esmt.c b/drivers/mtd/nand/raw/nand_esmt.c index 58646ed663ac..3338c68aaaf1 100644 --- a/drivers/mtd/nand/raw/nand_esmt.c +++ b/drivers/mtd/nand/raw/nand_esmt.c @@ -36,7 +36,14 @@ static void esmt_nand_decode_id(struct nand_chip *chip) static int esmt_nand_init(struct nand_chip *chip) { if (nand_is_slc(chip)) - chip->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE; + /* + * It is known that some ESMT SLC NANDs have been shipped + * with the factory bad block markers in the first or last page + * of the block, instead of the first or second page. To be on + * the safe side, let's check all three locations. + */ + chip->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE | + NAND_BBM_LASTPAGE; return 0; } |