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mtd: nand-gpio: Use default nand_base {read/write}_buf functions 

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 2013-05-06 17:53:51 +04:00 committed by David Woodhouse
parent ee4f36663b
commit 2189408cb7
1 changed files with 0 additions and 56 deletions
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56
drivers/mtd/nand/gpio.c
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@ -87,51 +87,6 @@ static void gpio_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
gpio_nand_dosync(gpiomtd);
}
static void gpio_nand_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
{
struct nand_chip *this = mtd->priv;
iowrite8_rep(this->IO_ADDR_W, buf, len);
}
static void gpio_nand_readbuf(struct mtd_info *mtd, u_char *buf, int len)
{
struct nand_chip *this = mtd->priv;
ioread8_rep(this->IO_ADDR_R, buf, len);
}
static void gpio_nand_writebuf16(struct mtd_info *mtd, const u_char *buf,
int len)
{
struct nand_chip *this = mtd->priv;
if (IS_ALIGNED((unsigned long)buf, 2)) {
iowrite16_rep(this->IO_ADDR_W, buf, len>>1);
} else {
int i;
unsigned short *ptr = (unsigned short *)buf;
for (i = 0; i < len; i += 2, ptr++)
writew(*ptr, this->IO_ADDR_W);
}
}
static void gpio_nand_readbuf16(struct mtd_info *mtd, u_char *buf, int len)
{
struct nand_chip *this = mtd->priv;
if (IS_ALIGNED((unsigned long)buf, 2)) {
ioread16_rep(this->IO_ADDR_R, buf, len>>1);
} else {
int i;
unsigned short *ptr = (unsigned short *)buf;
for (i = 0; i < len; i += 2, ptr++)
*ptr = readw(this->IO_ADDR_R);
}
}
static int gpio_nand_devready(struct mtd_info *mtd)
{
struct gpiomtd *gpiomtd = gpio_nand_getpriv(mtd);
@ -314,19 +269,8 @@ static int gpio_nand_probe(struct platform_device *dev)
this->ecc.mode = NAND_ECC_SOFT;
this->options = gpiomtd->plat.options;
this->chip_delay = gpiomtd->plat.chip_delay;
/* install our routines */
this->cmd_ctrl = gpio_nand_cmd_ctrl;
if (this->options & NAND_BUSWIDTH_16) {
this->read_buf = gpio_nand_readbuf16;
this->write_buf = gpio_nand_writebuf16;
} else {
this->read_buf = gpio_nand_readbuf;
this->write_buf = gpio_nand_writebuf;
}
/* set the mtd private data for the nand driver */
gpiomtd->mtd_info.priv = this;
gpiomtd->mtd_info.owner = THIS_MODULE;