Update number of errors using nand ecc strength.
Also add macro definitions BCH8_ERROR_MAX & BCH4_ERROR_MAX
Signed-off-by: Philip, Avinash <avinashphilip@xxxxxx>
---
:100644 100644 359293e... 7e61dac... M drivers/mtd/nand/omap2.c
drivers/mtd/nand/omap2.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 359293e..7e61dac 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -118,6 +118,9 @@
#define OMAP24XX_DMA_GPMC 4
+#define BCH8_MAX_ERROR 8 /* upto 8 bit correctable */
+#define BCH4_MAX_ERROR 4 /* upto 4 bit correctable */
+
/* oob info generated runtime depending on ecc algorithm and layout selected */
static struct nand_ecclayout omap_oobinfo;
/* Define some generic bad / good block scan pattern which are used
@@ -1042,7 +1045,7 @@ static void omap3_enable_hwecc_bch(struct mtd_info *mtd, int mode)
struct nand_chip *chip = mtd->priv;
u32 val;
- nerrors = (info->nand.ecc.bytes == 13) ? 8 : 4;
+ nerrors = info->nand.ecc.strength;
dev_width = (chip->options & NAND_BUSWIDTH_16) ? 1 : 0;
nsectors = 1;
/*
@@ -1219,13 +1222,14 @@ static int omap3_init_bch(struct mtd_info *mtd, int ecc_opt)
struct omap_nand_info *info = container_of(mtd, struct omap_nand_info,
mtd);
#ifdef CONFIG_MTD_NAND_OMAP_BCH8
- const int hw_errors = 8;
+ const int hw_errors = BCH8_MAX_ERROR;
#else
- const int hw_errors = 4;
+ const int hw_errors = BCH4_MAX_ERROR;
#endif
info->bch = NULL;
- max_errors = (ecc_opt == OMAP_ECC_BCH8_CODE_HW) ? 8 : 4;
+ max_errors = (ecc_opt == OMAP_ECC_BCH8_CODE_HW) ?
+ BCH8_MAX_ERROR : BCH4_MAX_ERROR;
if (max_errors != hw_errors) {
pr_err("cannot configure %d-bit BCH ecc, only %d-bit supported",
max_errors, hw_errors);
--
1.7.0.4
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