From ceef2075f3aa430da137e3629b0280a46d420ccd Mon Sep 17 00:00:00 2001 From: Huang Shijie Date: Fri, 17 May 2013 11:17:26 +0800 Subject: [PATCH 093/203] mtd: get the ECC info from the parameter page for ONFI nand 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 Reviewed-and-tested-by: Brian Norris Signed-off-by: Brian Norris Signed-off-by: David Woodhouse --- drivers/mtd/nand/nand_base.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2924,6 +2924,11 @@ static int nand_flash_detect_onfi(struct 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; }