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mtd: rawnand: AMD: Also use the last page for bad block markers

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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 <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>
This commit is contained in:
Frieder Schrempf 2019-04-17 12:36:37 +00:00 committed by Miquel Raynal
parent 7a1894a955
commit 598dce7068
1 changed files with 7 additions and 1 deletions
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8
drivers/mtd/nand/raw/nand_amd.c
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@ -45,7 +45,13 @@ 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->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE;
/*
* 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->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE |
NAND_BBM_LASTPAGE;
return 0;
}