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-rw-r--r--drivers/mtd/nand/nand_base.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 5851c51ac2df..0ac49ca58524 100644
--- 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' ||