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authorHuang Shijie <b32955@freescale.com>2013-05-17 07:17:30 +0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2013-08-31 00:34:44 +0400
commite2985fc1d684927ce1dd5e5e6d35db8b52302685 (patch)
tree2e65c912ebc68719e8bc77176435deb5e7cb2a7d /drivers/mtd
parent6dcbe0cdd83fb5f77be4f44c9e06c535281c375a (diff)
downloadlinux-e2985fc1d684927ce1dd5e5e6d35db8b52302685.tar.xz
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>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/nand_base.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index d8c723c185b2..51d5b81f316c 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -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;