diff options
Diffstat (limited to 'drivers/mtd/nand/at91_nand.c')
| -rw-r--r-- | drivers/mtd/nand/at91_nand.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/drivers/mtd/nand/at91_nand.c b/drivers/mtd/nand/at91_nand.c index 414ceaecdb3a..0adb287027a2 100644 --- a/drivers/mtd/nand/at91_nand.c +++ b/drivers/mtd/nand/at91_nand.c @@ -94,6 +94,24 @@ struct at91_nand_host { }; /* + * 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 */ static void at91_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) @@ -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; @@ -128,24 +146,6 @@ static int at91_nand_device_ready(struct mtd_info *mtd) } /* - * 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 */ static int at91_nand_write_oob_512(struct mtd_info *mtd, |