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authorGabor Juhos <juhosg@openwrt.org>2013-01-29 08:19:13 +0000
committerJohn Crispin <blogic@openwrt.org>2013-02-17 01:25:27 +0100
commitf160a289e0e8848391f5ec48ff1a014b9c04b162 (patch)
tree7383334d6f93d294f832e2dbbc97f9ea9151e616 /arch/mips
parent8838becdf5f7261d7f5dfbbe957fe9b9ed188aec (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')
-rw-r--r--arch/mips/ath79/gpio.c30
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)