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

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

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
Atsushi Nemoto 2008-04-27 01:51:12 +09:00 committed by David Woodhouse
parent 4a27214d7b
commit 8136508cd6
1 changed files with 21 additions and 21 deletions
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42
drivers/mtd/nand/at91_nand.c
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@ -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
*/