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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2009-11-13 16:02:22 +0900 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-11-30 09:53:19 +0000 |
| commit | 54c69cc25064c1d333a12b5883aaa3bfa3041dee (patch) | |
| tree | b35be6846d01e7cc9ac3a7aa67218b830a1f5b71 | |
| parent | e670e41ae0f329487e5a5c357510c6798b0d80b4 (diff) | |
| download | op-kernel-dev-54c69cc25064c1d333a12b5883aaa3bfa3041dee.zip op-kernel-dev-54c69cc25064c1d333a12b5883aaa3bfa3041dee.tar.gz | |
mtd: alauda: Use hweight8
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| -rw-r--r-- | drivers/mtd/nand/alauda.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/mtd/nand/alauda.c b/drivers/mtd/nand/alauda.c index 6d96491..2d67732 100644 --- a/drivers/mtd/nand/alauda.c +++ b/drivers/mtd/nand/alauda.c @@ -372,15 +372,6 @@ static int alauda_read_oob(struct mtd_info *mtd, loff_t from, void *oob) return __alauda_read_page(mtd, from, ignore_buf, oob); } -static int popcount8(u8 c) -{ - int ret = 0; - - for ( ; c; c>>=1) - ret += c & 1; - return ret; -} - static int alauda_isbad(struct mtd_info *mtd, loff_t ofs) { u8 oob[16]; @@ -391,7 +382,7 @@ static int alauda_isbad(struct mtd_info *mtd, loff_t ofs) return err; /* A block is marked bad if two or more bits are zero */ - return popcount8(oob[5]) >= 7 ? 0 : 1; + return hweight8(oob[5]) >= 7 ? 0 : 1; } static int alauda_bounce_read(struct mtd_info *mtd, loff_t from, size_t len, |
