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Commit e2985fc1 authored by Huang Shijie's avatar Huang Shijie Committed by David Woodhouse
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mtd: replace the hardcode with the onfi_feature() 



The current code uses the hardcode to detect the 16-bit bus width.
Use the onfi_feature() to replace it.

Signed-off-by: default avatarHuang Shijie <b32955@freescale.com>
[Brian: small fixup]
Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>

Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 6dcbe0cd

drivers/mtd/nand/nand_base.c

+4 −2
Original line number Diff line number Diff line
@@ -2981,9 +2981,11 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip, 
	mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page);

	chip->chipsize = le32_to_cpu(p->blocks_per_lun);

	chip->chipsize *= (uint64_t)mtd->erasesize * p->lun_count;

	*busw = 0;

	if (le16_to_cpu(p->features) & 1)



	if (onfi_feature(chip) & ONFI_FEATURE_16_BIT_BUS)

		*busw = NAND_BUSWIDTH_16;

	else

		*busw = 0;



	if (p->ecc_bits != 0xff) {

		chip->ecc_strength_ds = p->ecc_bits;