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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: Huang Shijie <b32955@freescale.com>
[Brian: small fixup]
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 11:17:30 +08:00 committed by David Woodhouse
parent 6dcbe0cdd8
commit e2985fc1d6
1 changed files with 4 additions and 2 deletions
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6
drivers/mtd/nand/nand_base.c
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@ -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;