From f1c04925f90c3983cdb20bf3eed45e09e7c27655 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 5 Nov 2020 15:13:41 +0100 Subject: mtd: nand: atmel: Return number of bitflips Signed-off-by: Sascha Hauer --- drivers/mtd/nand/atmel_nand.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers/mtd/nand/atmel_nand.c') 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; } -- cgit v1.2.3