Messages in this thread Patch in this message | | | From | Huang Shijie <> | Subject | [PATCH v6 02/10] mtd: get the ECC info from the parameter page for ONFI nand | Date | Fri, 17 May 2013 11:17:26 +0800 |
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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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