[PATCH] mtd: nand: jz4780: Update ecc correction error codes

From: Harvey Hunt
Date: Fri Jan 08 2016 - 11:46:29 EST


Update jz4780_bch_ecc_correct's return codes with appropriate values,
as specified in /include/linux/mtd/nand.h.

Signed-off-by: Harvey Hunt <harvey.hunt@xxxxxxxxxx>
Cc: Alex Smith <alex@xxxxxxxxxxxxxxxx>
Cc: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
drivers/mtd/nand/jz4780_bch.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/jz4780_bch.c b/drivers/mtd/nand/jz4780_bch.c
index 5954fbf..755499c 100644
--- a/drivers/mtd/nand/jz4780_bch.c
+++ b/drivers/mtd/nand/jz4780_bch.c
@@ -210,8 +210,8 @@ EXPORT_SYMBOL(jz4780_bch_calculate);
* Given the raw data and the ECC read from the NAND device, detects and
* corrects errors in the data.
*
- * Return: the number of bit errors corrected, or -1 if there are too many
- * errors to correct or we timed out waiting for the controller.
+ * Return: the number of bit errors corrected, -EBADMSG if there are too many
+ * errors to correct or -ETIMEDOUT if we timed out waiting for the controller.
*/
int jz4780_bch_correct(struct jz4780_bch *bch, struct jz4780_bch_params *params,
u8 *buf, u8 *ecc_code)
@@ -227,13 +227,13 @@ int jz4780_bch_correct(struct jz4780_bch *bch, struct jz4780_bch_params *params,

if (!jz4780_bch_wait_complete(bch, BCH_BHINT_DECF, &reg)) {
dev_err(bch->dev, "timed out while correcting data\n");
- ret = -1;
+ ret = -ETIMEDOUT;
goto out;
}

if (reg & BCH_BHINT_UNCOR) {
dev_warn(bch->dev, "uncorrectable ECC error\n");
- ret = -1;
+ ret = -EBADMSG;
goto out;
}

--
2.6.4