[PATCH 24/31] mtd: use parity16 in sm_ftl.c

zhaoxiu.zeng
2016-03-27T07:34:03Z

drivers/mtd/sm_ftl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
index b096f8b..2244588 100644
--- a/drivers/mtd/sm_ftl.c
+++ b/drivers/mtd/sm_ftl.c
@@ -136,7 +136,7 @@ static int sm_get_lba(uint8_t *lba)
return -2;

/* check parity - endianness doesn't matter */
- if (hweight16(*(uint16_t *)lba) & 1)
+ if (parity16(*(uint16_t *)lba))
return -2;

return (lba[1] >> 1) | ((lba[0] & 0x07) << 7);
@@ -183,7 +183,7 @@ static void sm_write_lba(struct sm_oob *oob, uint16_t lba)
tmp[0] = 0x10 | ((lba >> 7) & 0x07);
tmp[1] = (lba << 1) & 0xFF;

- if (hweight16(*(uint16_t *)tmp) & 0x01)
+ if (parity16(*(uint16_t *)tmp))
tmp[1] |= 1;

oob->lba_copy1[0] = oob->lba_copy2[0] = tmp[0];
--
2.5.5