[PATCH 3/3] eLBC NAND: give more verbose output on error
From: Scott Wood <hidden>
Date: 2009-11-13 20:13:58
Subsystem:
memory technology devices (mtd), nand flash subsystem, the rest · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Linus Torvalds
We want error information even if the kernel hasn't been built for verbose debugging. Signed-off-by: Scott Wood <redacted> --- 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