[PATCH 3/3] eLBC NAND: give more verbose output on error
Scott Wood
scottwood at freescale.com
Sat Nov 14 07:14:15 EST 2009
We want error information even if the kernel hasn't been built for verbose
debugging.
Signed-off-by: Scott Wood <scottwood at freescale.com>
---
drivers/mtd/nand/fsl_elbc_nand.c | 13 ++++++++-----
1 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 5b51ed3..ae30fb6 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -237,12 +237,15 @@ static int fsl_elbc_run_command(struct mtd_info *mtd)
ctrl->use_mdr = 0;
- dev_vdbg(ctrl->dev,
- "fsl_elbc_run_command: stat=%08x mdr=%08x fmr=%08x\n",
- ctrl->status, ctrl->mdr, in_be32(&lbc->fmr));
+ if (ctrl->status != LTESR_CC) {
+ dev_info(ctrl->dev,
+ "command failed: fir %x fcr %x status %x mdr %x\n",
+ in_be32(&lbc->fir), in_be32(&lbc->fcr),
+ ctrl->status, ctrl->mdr);
+ return -EIO;
+ }
- /* returns 0 on success otherwise non-zero) */
- return ctrl->status == LTESR_CC ? 0 : -EIO;
+ return 0;
}
static void fsl_elbc_do_read(struct nand_chip *chip, int oob)
--
1.6.4.4
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