Commit 8136508c authored by Atsushi Nemoto's avatar Atsushi Nemoto Committed by David Woodhouse
Browse files

[MTD] [NAND] at91_nand: use at91_nand_{en,dis}able consistently. 



Use at91_nand_enable(), at91_nand_disable() to manipulate enable_pin.
No functional changes.

Signed-off-by: default avatarAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: default avatarDavid Woodhouse <dwmw2@infradead.org>
parent 4a27214d

drivers/mtd/nand/at91_nand.c

+21 −21
Original line number Diff line number Diff line
@@ -93,6 +93,24 @@ struct at91_nand_host { 
	void __iomem		*ecc;

};



/*

 * Enable NAND.

 */

static void at91_nand_enable(struct at91_nand_host *host)

{

	if (host->board->enable_pin)

		at91_set_gpio_value(host->board->enable_pin, 0);

}



/*

 * Disable NAND.

 */

static void at91_nand_disable(struct at91_nand_host *host)

{

	if (host->board->enable_pin)

		at91_set_gpio_value(host->board->enable_pin, 1);

}



/*

 * Hardware specific access to control-lines

 */
@@ -101,11 +119,11 @@ static void at91_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) 
	struct nand_chip *nand_chip = mtd->priv;

	struct at91_nand_host *host = nand_chip->priv;



	if (host->board->enable_pin && (ctrl & NAND_CTRL_CHANGE)) {

	if (ctrl & NAND_CTRL_CHANGE) {

		if (ctrl & NAND_NCE)

			at91_set_gpio_value(host->board->enable_pin, 0);

			at91_nand_enable(host);

		else

			at91_set_gpio_value(host->board->enable_pin, 1);

			at91_nand_disable(host);

	}

	if (cmd == NAND_CMD_NONE)

		return;
@@ -127,24 +145,6 @@ static int at91_nand_device_ready(struct mtd_info *mtd) 
	return at91_get_gpio_value(host->board->rdy_pin);

}



/*

 * Enable NAND.

 */

static void at91_nand_enable(struct at91_nand_host *host)

{

	if (host->board->enable_pin)

		at91_set_gpio_value(host->board->enable_pin, 0);

}



/*

 * Disable NAND.

 */

static void at91_nand_disable(struct at91_nand_host *host)

{

	if (host->board->enable_pin)

		at91_set_gpio_value(host->board->enable_pin, 1);

}



/*

 * write oob for small pages

 */