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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>
This commit is contained in:
Huang Shijie 2013-05-17 11:17:26 +08:00 committed by David Woodhouse
parent 4cfeca2d58
commit 10c86babfb
1 changed files with 5 additions and 0 deletions
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5
drivers/mtd/nand/nand_base.c
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@ -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;
}