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>
Signed-off-by: Huang Shijie <b32955@freescale.com>

1 files changed, 4 insertions, 15 deletions

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index c6275a428730..d18cae55357c 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);
 }
 
 /**