mtd: nand: make Samsung SLC NAND usable again

[karo-tx-linux.git] / drivers / mtd / nand / nand_base.c

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index c6c18b82f8f4eade18561edb24439a9d4737efa5..c05cf874cbb8e0a8e2ccae9125c5c615d0bea582 100644 (file)
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -3993,10 +3993,13 @@ static void nand_manufacturer_detect(struct nand_chip *chip)
         * nand_decode_ext_id() otherwise.
         */
        if (chip->manufacturer.desc && chip->manufacturer.desc->ops &&
-           chip->manufacturer.desc->ops->detect)
+           chip->manufacturer.desc->ops->detect) {
+               /* The 3rd id byte holds MLC / multichip data */
+               chip->bits_per_cell = nand_get_bits_per_cell(chip->id.data[2]);
                chip->manufacturer.desc->ops->detect(chip);
-       else
+       } else {
                nand_decode_ext_id(chip);
+       }
 }
 
 /*