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authorEzequiel Garcia <ezequiel.garcia@free-electrons.com>2013-11-07 12:17:13 -0300
committerBrian Norris <computersforpeace@gmail.com>2014-01-03 11:22:10 -0800
commit4e86fd22af2c930e741536e8637bca9355fa8bb5 (patch)
tree45bfab0095ad76aa042b7fcc1a026f98eddc8b86 /drivers/mtd/nand/pxa3xx_nand.c
parent664c7f5e81df12b5cac873a25fa9ac9cc90c13c3 (diff)
downloadop-kernel-dev-4e86fd22af2c930e741536e8637bca9355fa8bb5.zip
op-kernel-dev-4e86fd22af2c930e741536e8637bca9355fa8bb5.tar.gz
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 <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers/mtd/nand/pxa3xx_nand.c')
-rw-r--r--drivers/mtd/nand/pxa3xx_nand.c4
1 files changed, 3 insertions, 1 deletions
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)
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