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MIPS: ath79: simplify ath79_gpio_function_* routines

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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>
This commit is contained in:
Gabor Juhos 2013-01-29 08:19:13 +00:00 committed by John Crispin
parent 8838becdf5
commit f160a289e0
1 changed files with 10 additions and 28 deletions
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38
arch/mips/ath79/gpio.c
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@ -154,34 +154,6 @@ static void __iomem *ath79_gpio_get_function_reg(void)
return ath79_gpio_base + reg;
}
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);
}
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) & ~mask, reg);
/* flush write */
__raw_readl(reg);
spin_unlock_irqrestore(&ath79_gpio_lock, flags);
}
void ath79_gpio_function_setup(u32 set, u32 clear)
{
void __iomem *reg = ath79_gpio_get_function_reg();
@ -196,6 +168,16 @@ void ath79_gpio_function_setup(u32 set, u32 clear)
spin_unlock_irqrestore(&ath79_gpio_lock, flags);
}
void ath79_gpio_function_enable(u32 mask)
{
ath79_gpio_function_setup(mask, 0);
}
void ath79_gpio_function_disable(u32 mask)
{
ath79_gpio_function_setup(0, mask);
}
void __init ath79_gpio_init(void)
{
int err;