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authorAkinobu Mita <akinobu.mita@gmail.com>2009-11-13 16:02:22 +0900
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-11-30 09:53:19 +0000
commit54c69cc25064c1d333a12b5883aaa3bfa3041dee (patch)
treeb35be6846d01e7cc9ac3a7aa67218b830a1f5b71 /drivers/mtd
parente670e41ae0f329487e5a5c357510c6798b0d80b4 (diff)
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>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/alauda.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/mtd/nand/alauda.c b/drivers/mtd/nand/alauda.c
index 6d9649159a1..2d6773281fd 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,