mtd: nand: onfi need to be probed in 8 bits mode

[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 5851c51ac2dfbdb32bf9d132f55b1e268b66a324..0ac49ca585243f42f671fc793e2498210efd5e38 100644 (file)
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2857,6 +2857,8 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
        int i;
        int val;
 
+       /* ONFI need to be probed in 8 bits mode */
+       WARN_ON(chip->options & NAND_BUSWIDTH_16);
        /* Try ONFI for unknown chip or LP */
        chip->cmdfunc(mtd, NAND_CMD_READID, 0x20, -1);
        if (chip->read_byte(mtd) != 'O' || chip->read_byte(mtd) != 'N' ||