diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.10/0134-mtd-nand-pxa3xx-read_page-returns-max_bitflips.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.10/0134-mtd-nand-pxa3xx-read_page-returns-max_bitflips.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-3.10/0134-mtd-nand-pxa3xx-read_page-returns-max_bitflips.patch b/target/linux/mvebu/patches-3.10/0134-mtd-nand-pxa3xx-read_page-returns-max_bitflips.patch new file mode 100644 index 0000000..afb8172 --- /dev/null +++ b/target/linux/mvebu/patches-3.10/0134-mtd-nand-pxa3xx-read_page-returns-max_bitflips.patch @@ -0,0 +1,42 @@ +From 97598678602aaea473303523ce37a45d258206ca Mon Sep 17 00:00:00 2001 +From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> +Date: Thu, 7 Nov 2013 12:17:13 -0300 +Subject: [PATCH 134/203] 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> +--- + drivers/mtd/nand/pxa3xx_nand.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +--- 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(s + { + 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(s + 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(s + mtd->ecc_stats.failed++; + } + +- return 0; ++ return max_bitflips; + } + + static uint8_t pxa3xx_nand_read_byte(struct mtd_info *mtd) |