diff options
| author | Gabor Juhos <juhosg@openwrt.org> | 2013-01-29 08:19:13 +0000 |
|---|---|---|
| committer | John Crispin <blogic@openwrt.org> | 2013-02-17 01:25:27 +0100 |
| commit | f160a289e0e8848391f5ec48ff1a014b9c04b162 (patch) | |
| tree | 7383334d6f93d294f832e2dbbc97f9ea9151e616 /arch/mips/ath79 | |
| parent | 8838becdf5f7261d7f5dfbbe957fe9b9ed188aec (diff) | |
MIPS: ath79: simplify ath79_gpio_function_* routines
Make ath79_gpio_function_{en,dis}able to be wrappers
around ath79_gpio_function_setup.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4871/
Signed-off-by: John Crispin <blogic@openwrt.org>
Diffstat (limited to 'arch/mips/ath79')
| -rw-r--r-- | arch/mips/ath79/gpio.c | 30 |
1 files changed, 6 insertions, 24 deletions
diff --git a/arch/mips/ath79/gpio.c b/arch/mips/ath79/gpio.c index 662a10ecd8e7..b7ed207e94a1 100644 --- a/arch/mips/ath79/gpio.c +++ b/arch/mips/ath79/gpio.c @@ -154,46 +154,28 @@ static void __iomem *ath79_gpio_get_function_reg(void) return ath79_gpio_base + reg; } -void ath79_gpio_function_enable(u32 mask) +void ath79_gpio_function_setup(u32 set, u32 clear) { void __iomem *reg = ath79_gpio_get_function_reg(); unsigned long flags; spin_lock_irqsave(&ath79_gpio_lock, flags); - __raw_writel(__raw_readl(reg) | mask, reg); + __raw_writel((__raw_readl(reg) & ~clear) | set, reg); /* flush write */ __raw_readl(reg); spin_unlock_irqrestore(&ath79_gpio_lock, flags); } -void ath79_gpio_function_disable(u32 mask) +void ath79_gpio_function_enable(u32 mask) { - void __iomem *reg = ath79_gpio_get_function_reg(); - unsigned long flags; - - spin_lock_irqsave(&ath79_gpio_lock, flags); - - __raw_writel(__raw_readl(reg) & ~mask, reg); - /* flush write */ - __raw_readl(reg); - - spin_unlock_irqrestore(&ath79_gpio_lock, flags); + ath79_gpio_function_setup(mask, 0); } -void ath79_gpio_function_setup(u32 set, u32 clear) +void ath79_gpio_function_disable(u32 mask) { - void __iomem *reg = ath79_gpio_get_function_reg(); - unsigned long flags; - - spin_lock_irqsave(&ath79_gpio_lock, flags); - - __raw_writel((__raw_readl(reg) & ~clear) | set, reg); - /* flush write */ - __raw_readl(reg); - - spin_unlock_irqrestore(&ath79_gpio_lock, flags); + ath79_gpio_function_setup(0, mask); } void __init ath79_gpio_init(void) |