Patchwork [4/5] mtd: nand-gpio: Use default nand_base {read/write}_buf functions

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Submitter Alexander Shiyan
Date April 13, 2013, 7:06 a.m.
Message ID <1365836798-29035-4-git-send-email-shc_work@mail.ru>
Download mbox | patch
Permalink /patch/236295/
State New
Headers show

Comments

Alexander Shiyan - April 13, 2013, 7:06 a.m.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
---
 drivers/mtd/nand/gpio.c | 55 -------------------------------------------------
 1 file changed, 55 deletions(-)

Patch

diff --git a/drivers/mtd/nand/gpio.c b/drivers/mtd/nand/gpio.c
index 49beecd..16b8eeb 100644
--- a/drivers/mtd/nand/gpio.c
+++ b/drivers/mtd/nand/gpio.c
@@ -86,51 +86,6 @@  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);
@@ -303,16 +258,6 @@  static int gpio_nand_probe(struct platform_device *pdev)
 	chip->options		= gpiomtd->plat.options;
 	chip->chip_delay	= gpiomtd->plat.chip_delay;
 	chip->cmd_ctrl		= gpio_nand_cmd_ctrl;
-
-	if (chip->options & NAND_BUSWIDTH_16) {
-		chip->read_buf	= gpio_nand_readbuf16;
-		chip->write_buf	= gpio_nand_writebuf16;
-	} else {
-		chip->read_buf	= gpio_nand_readbuf;
-		chip->write_buf	= gpio_nand_writebuf;
-	}
-
-	/* set the mtd private data for the nand driver */
 	gpiomtd->mtd_info.priv	= chip;
 	gpiomtd->mtd_info.owner	= THIS_MODULE;