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mtd: nand: pxa3xx: read_page() returns max_bitflips

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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>
This commit is contained in:
Ezequiel Garcia 2013-11-07 12:17:13 -03:00 committed by Brian Norris
parent 664c7f5e81
commit 4e86fd22af
1 changed files with 3 additions and 1 deletions
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4
drivers/mtd/nand/pxa3xx_nand.c
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@ -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)