Commit 10c86bab authored May 17, 2013 by Huang Shijie Committed by David Woodhouse Aug 30, 2013

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 <b32955@freescale.com>
Reviewed-and-tested-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

parent 4cfeca2d

drivers/mtd/nand/nand_base.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -2913,6 +2913,11 @@ 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;
		}