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authorScott Wood <scottwood@freescale.com>2009-11-13 21:14:15 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-11-30 10:53:55 +0100
commitc1317f7163d287805b8e12af12d04a2a6ead865c (patch)
tree4af1bb3df79f0413f1165001bc461db9e329f399 /drivers/mtd/nand
parentmtd: eLBC NAND: use recommended command sequences (diff)
downloadlinux-c1317f7163d287805b8e12af12d04a2a6ead865c.tar.xz
linux-c1317f7163d287805b8e12af12d04a2a6ead865c.zip
mtd: eLBC NAND: give more verbose output on error
We want error information even if the kernel hasn't been built for verbose debugging. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/fsl_elbc_nand.c13
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 5b51ed3cf71d..ae30fb6eed97 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)