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>

diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 5b51ed3..ae30fb6 100644 (file)
--- 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)