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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>
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@ -2913,6 +2913,11 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
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if (le16_to_cpu(p->features) & 1)
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*busw = NAND_BUSWIDTH_16;
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if (p->ecc_bits != 0xff) {
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chip->ecc_strength_ds = p->ecc_bits;
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chip->ecc_step_ds = 512;
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}
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pr_info("ONFI flash detected\n");
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return 1;
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}
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