From 4e86fd22af2c930e741536e8637bca9355fa8bb5 Mon Sep 17 00:00:00 2001 From: Ezequiel Garcia Date: Thu, 7 Nov 2013 12:17:13 -0300 Subject: [PATCH] mtd: nand: pxa3xx: read_page() returns max_bitflips As per the ecc.read_page() prototype, we must return the maximum number of bitflips that were corrected on any one region covering an ecc step. Signed-off-by: Ezequiel Garcia Tested-by: Daniel Mack Signed-off-by: Brian Norris --- drivers/mtd/nand/pxa3xx_nand.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index c10cb06..f25d71b 100644 --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -751,6 +751,7 @@ static int pxa3xx_nand_read_page_hwecc(struct mtd_info *mtd, { struct pxa3xx_nand_host *host = mtd->priv; struct pxa3xx_nand_info *info = host->info_data; + int max_bitflips = 0; chip->read_buf(mtd, buf, mtd->writesize); chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); @@ -758,6 +759,7 @@ static int pxa3xx_nand_read_page_hwecc(struct mtd_info *mtd, if (info->retcode == ERR_SBERR) { switch (info->use_ecc) { case 1: + max_bitflips = 1; mtd->ecc_stats.corrected++; break; case 0: @@ -776,7 +778,7 @@ static int pxa3xx_nand_read_page_hwecc(struct mtd_info *mtd, mtd->ecc_stats.failed++; } - return 0; + return max_bitflips; } static uint8_t pxa3xx_nand_read_byte(struct mtd_info *mtd) -- 2.7.4