As per the IFC hardware manual, Most significant 2 bytes in nand_fsr register are the outcome of NAND READ STATUS command. So status value need to be shifted and aligned as per the nand framework requirement. Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Jagdish Gediya <jagdish.gediya@xxxxxxx> Reviewed-by: Prabhakar Kushwaha <prabhakar.kushwaha@xxxxxxx> --- drivers/mtd/nand/fsl_ifc_nand.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index d9ce398..951dd89 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -643,12 +643,13 @@ static int fsl_ifc_wait(struct mtd_info *mtd, struct nand_chip *chip) fsl_ifc_run_command(mtd); nand_fsr = ifc_in32(&ifc->ifc_nand.nand_fsr); - + nand_fsr >>= 16; + nand_fsr = (nand_fsr >> 8) | (nand_fsr << 8); /* * The chip always seems to report that it is * write-protected, even when it is not. */ - return nand_fsr | NAND_STATUS_WP; + return (nand_fsr & 0xff) | NAND_STATUS_WP; } /* -- 1.9.1