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Subject[PATCH v6 02/10] mtd: get the ECC info from the parameter page for ONFI nand
Date
From the ONFI spec, we can just get the ECC info from the @ecc_bits field of
the parameter page.

Signed-off-by: Huang Shijie <b32955@freescale.com>
---
drivers/mtd/nand/nand_base.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index edc7663..b63b731 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2900,6 +2900,11 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
if (le16_to_cpu(p->features) & 1)
*busw = NAND_BUSWIDTH_16;

+ if (p->ecc_bits != 0xff) {
+ chip->ecc_strength_ds = p->ecc_bits;
+ chip->ecc_step_ds = 512;
+ }
+
pr_info("ONFI flash detected\n");
return 1;
}
--
1.7.1



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