提交 f160a289 编写于 作者: G Gabor Juhos 提交者: John Crispin

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: NGabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4871/Signed-off-by: NJohn Crispin <blogic@openwrt.org>
上级 8838becd
......@@ -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)
......
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