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author | Sascha Hauer <s.hauer@pengutronix.de> | 2020-11-05 15:13:41 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-11-10 08:42:29 +0100 |
commit | f1c04925f90c3983cdb20bf3eed45e09e7c27655 (patch) | |
tree | de1b6e514fa6cbc6f10b7f5ed7b23512899862a5 | |
parent | f21714d18631ff1f30a71a13b13b84606f219ce1 (diff) | |
download | barebox-f1c04925f90c3983cdb20bf3eed45e09e7c27655.tar.gz barebox-f1c04925f90c3983cdb20bf3eed45e09e7c27655.tar.xz |
mtd: nand: atmel: Return number of bitflips
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r-- | drivers/mtd/nand/atmel_nand.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index 6903fb4c9d..5351667bdc 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -574,7 +574,7 @@ static int pmecc_correction(struct mtd_info *mtd, u32 pmecc_stat, uint8_t *buf) { struct nand_chip *nand_chip = mtd_to_nand(mtd); struct atmel_nand_host *host = nand_chip->priv; - int i, err_nbr, ret; + int i, err_nbr, ret, bitflips = 0; uint8_t *buf_pos; uint8_t *ecc_code = host->ecc_code; @@ -603,17 +603,18 @@ normal_check: if (err_nbr == -1) { dev_err(host->dev, "PMECC: Too many errors\n"); mtd->ecc_stats.failed++; - return -EIO; + return -EBADMSG; } else { pmecc_correct_data(mtd, buf_pos, ecc_code, i, host->pmecc_bytes_per_sector, err_nbr); mtd->ecc_stats.corrected += err_nbr; + bitflips += err_nbr; } } pmecc_stat >>= 1; } - return 0; + return bitflips; } static int atmel_nand_pmecc_read_page(struct nand_chip *chip, uint8_t *buf, @@ -647,8 +648,7 @@ static int atmel_nand_pmecc_read_page(struct nand_chip *chip, uint8_t *buf, stat = pmecc_readl_relaxed(host->ecc, ISR); if (stat != 0) - if (pmecc_correction(mtd, stat, buf) != 0) - return -EIO; + return pmecc_correction(mtd, stat, buf); return 0; } |