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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>
This commit is contained in:
Alexander Shiyan 2013-04-13 09:32:13 +04:00 committed by David Woodhouse
parent 65c972afb5
commit 76413839db
1 changed files with 4 additions and 15 deletions
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19
drivers/mtd/nand/nand_base.c
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@ -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);
}
/**