Hi Frieder, Schrempf Frieder <[email protected]> wrote on Mon, 18 Feb 2019 10:42:46 +0000:
> 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]> > Reviewed-by: Boris Brezillon <[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 6202cbf7ee8d..2ffcddff3e27 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->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; > } Reviewed-by: Miquel Raynal <[email protected]> Thanks, Miquèl
