From c02a02ee4db5cd8b95ee3cc705b535f443612583 Mon Sep 17 00:00:00 2001 From: Shaohui Xie <Shaohui.Xie@freescale.com> Date: Mon, 13 Jun 2011 10:23:12 +0800 Subject: powerpc/85xx: fix NAND_CMD_READID read bytes number when nand_get_flash_type() is called, it will read 8 bytes of ID instead of 5, but the driver only read 5 bytes, so kernel will dump error messages like: fsl-lbc ffe124000.localbus: read_byte beyond end of buffer fsl-lbc ffe124000.localbus: read_byte beyond end of buffer fsl-lbc ffe124000.localbus: read_byte beyond end of buffer Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com> Acked-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> --- drivers/mtd/nand/fsl_elbc_nand.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/mtd/nand/fsl_elbc_nand.c') diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index 0bb254c7d2b1..33d8aad8bba5 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -339,9 +339,9 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned int command, (FIR_OP_UA << FIR_OP1_SHIFT) | (FIR_OP_RBW << FIR_OP2_SHIFT)); out_be32(&lbc->fcr, NAND_CMD_READID << FCR_CMD0_SHIFT); - /* 5 bytes for manuf, device and exts */ - out_be32(&lbc->fbcr, 5); - elbc_fcm_ctrl->read_bytes = 5; + /* nand_get_flash_type() reads 8 bytes of entire ID string */ + out_be32(&lbc->fbcr, 8); + elbc_fcm_ctrl->read_bytes = 8; elbc_fcm_ctrl->use_mdr = 1; elbc_fcm_ctrl->mdr = 0; -- cgit v1.2.3