diff options
| author | Alexander Shiyan <shc_work@mail.ru> | 2013-04-13 09:32:13 +0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2013-08-05 20:46:39 +0100 |
| commit | 76413839dbf3f03a3024c4c206d7098edbf0f83c (patch) | |
| tree | 000bdc51eadebf15cd9644f5ed2992a9aaebb339 /drivers | |
| parent | 65c972afb572e74a1b394baead89b934ca15f12b (diff) | |
| download | linux-76413839dbf3f03a3024c4c206d7098edbf0f83c.tar.bz2 | |
mtd: nand_base: Use io{read, write}*_rep functions for transfer
This patch replaces the usage of loops in the nand_base code with
io{read,write}{8,16}_rep calls instead.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index dfcd0a565c5b..edc7663f4b7b 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -211,11 +211,9 @@ static void nand_select_chip(struct mtd_info *mtd, int chipnr) */ static void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) { - int i; struct nand_chip *chip = mtd->priv; - for (i = 0; i < len; i++) - writeb(buf[i], chip->IO_ADDR_W); + iowrite8_rep(chip->IO_ADDR_W, buf, len); } /** @@ -228,11 +226,9 @@ static void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) */ static void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) { - int i; struct nand_chip *chip = mtd->priv; - for (i = 0; i < len; i++) - buf[i] = readb(chip->IO_ADDR_R); + ioread8_rep(chip->IO_ADDR_R, buf, len); } /** @@ -245,14 +241,10 @@ static void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) */ static void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len) { - int i; struct nand_chip *chip = mtd->priv; u16 *p = (u16 *) buf; - len >>= 1; - - for (i = 0; i < len; i++) - writew(p[i], chip->IO_ADDR_W); + iowrite16_rep(chip->IO_ADDR_W, p, len >> 1); } /** @@ -265,13 +257,10 @@ static void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len) */ static void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len) { - int i; struct nand_chip *chip = mtd->priv; u16 *p = (u16 *) buf; - len >>= 1; - for (i = 0; i < len; i++) - p[i] = readw(chip->IO_ADDR_R); + ioread16_rep(chip->IO_ADDR_R, p, len >> 1); } /** |