From 8136508cd6075a74e68a8d1cde8399a558ca27a7 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Sun, 27 Apr 2008 01:51:12 +0900 Subject: [PATCH] [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: Atsushi Nemoto Signed-off-by: David Woodhouse --- drivers/mtd/nand/at91_nand.c | 42 ++++++++++++++++++------------------ 1 file changed, 21 insertions(+), 21 deletions(-) diff --git a/drivers/mtd/nand/at91_nand.c b/drivers/mtd/nand/at91_nand.c index 414ceaecdb3..0adb287027a 100644 --- a/drivers/mtd/nand/at91_nand.c +++ b/drivers/mtd/nand/at91_nand.c @@ -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 */ -- 2.41.0