diff options
Diffstat (limited to 'drivers/mtd/nand/fsmc_nand.c')
| -rw-r--r-- | drivers/mtd/nand/fsmc_nand.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c index 9d7f417..6bf59fd 100644 --- a/drivers/mtd/nand/fsmc_nand.c +++ b/drivers/mtd/nand/fsmc_nand.c @@ -720,6 +720,7 @@ static int fsmc_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, */ uint16_t ecc_oob[7]; uint8_t *oob = (uint8_t *)&ecc_oob[0]; + unsigned int max_bitflips = 0; for (i = 0, s = 0; s < eccsteps; s++, i += eccbytes, p += eccsize) { chip->cmdfunc(mtd, NAND_CMD_READ0, s * eccsize, page); @@ -748,13 +749,15 @@ static int fsmc_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, chip->ecc.calculate(mtd, p, &ecc_calc[i]); stat = chip->ecc.correct(mtd, p, &ecc_code[i], &ecc_calc[i]); - if (stat < 0) + if (stat < 0) { mtd->ecc_stats.failed++; - else + } else { mtd->ecc_stats.corrected += stat; + max_bitflips = max_t(unsigned int, max_bitflips, stat); + } } - return 0; + return max_bitflips; } /* |
