[PATCH V4 5/9] mtd: replace the hardcode with the onfi_feature()

Huang Shijie
2013-04-26T09:20:58Z

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>
---
drivers/mtd/nand/nand_base.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index abec615..bc3442a 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2969,9 +2969,9 @@ 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)
- *busw = NAND_BUSWIDTH_16;
+
+ *busw = (onfi_feature(chip) & ONFI_FEATURE_16_BIT_BUS) ?
+ NAND_BUSWIDTH_16 : 0;

if (p->ecc_bits != 0xff) {
chip->ecc_strength = p->ecc_bits;
--
1.7.1