mtd: atmel_nand: Do not warn on bitflips

When using multi-bit ECC, it is normal for the NAND Flash driver to
correct bit errors during the life of the product. Those errors will
only be cleared once a threshold has been reached, and corrections can
occur regularly before this.

Use only dev_dbg and not dev_info to report the bitflips, to keep the
system log clean when everything works correctly.

Signed-off-by: Romain Izard <romain.izard.pro@gmail.com>
Acked-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index bddcf83d6859aecd689797c99d5745569f39b713..0ae6cba5bef5d819338b7587bcf51fbaa028146b 100644 (file)
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -825,7 +825,7 @@ static void pmecc_correct_data(struct mtd_info *mtd, uint8_t *buf, uint8_t *ecc,
                        *(buf + byte_pos) ^= (1 << bit_pos);
 
                        pos = sector_num * host->pmecc_sector_size + byte_pos;
-                       dev_info(host->dev, "Bit flip in data area, byte_pos: %d, bit_pos: %d, 0x%02x -> 0x%02x\n",
+                       dev_dbg(host->dev, "Bit flip in data area, byte_pos: %d, bit_pos: %d, 0x%02x -> 0x%02x\n",
                                pos, bit_pos, err_byte, *(buf + byte_pos));
                } else {
                        /* Bit flip in OOB area */
@@ -835,7 +835,7 @@ static void pmecc_correct_data(struct mtd_info *mtd, uint8_t *buf, uint8_t *ecc,
                        ecc[tmp] ^= (1 << bit_pos);
 
                        pos = tmp + nand_chip->ecc.layout->eccpos[0];
-                       dev_info(host->dev, "Bit flip in OOB, oob_byte_pos: %d, bit_pos: %d, 0x%02x -> 0x%02x\n",
+                       dev_dbg(host->dev, "Bit flip in OOB, oob_byte_pos: %d, bit_pos: %d, 0x%02x -> 0x%02x\n",
                                pos, bit_pos, err_byte, ecc[tmp]);
                }