73 lines
2 KiB
Diff
73 lines
2 KiB
Diff
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From 6c888a88f2a9939182bf41151f079a6b59f1593c Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Tue, 29 Jan 2013 08:19:13 +0000
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Subject: [PATCH] MIPS: ath79: simplify ath79_gpio_function_* routines
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commit f160a289e0e8848391f5ec48ff1a014b9c04b162 upstream.
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Make ath79_gpio_function_{en,dis}able to be wrappers
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around ath79_gpio_function_setup.
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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Patchwork: http://patchwork.linux-mips.org/patch/4871/
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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arch/mips/ath79/gpio.c | 30 ++++++------------------------
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1 file changed, 6 insertions(+), 24 deletions(-)
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--- a/arch/mips/ath79/gpio.c
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+++ b/arch/mips/ath79/gpio.c
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@@ -154,46 +154,28 @@ static void __iomem *ath79_gpio_get_func
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return ath79_gpio_base + reg;
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}
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-void ath79_gpio_function_enable(u32 mask)
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+void ath79_gpio_function_setup(u32 set, u32 clear)
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{
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void __iomem *reg = ath79_gpio_get_function_reg();
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unsigned long flags;
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spin_lock_irqsave(&ath79_gpio_lock, flags);
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- __raw_writel(__raw_readl(reg) | mask, reg);
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+ __raw_writel((__raw_readl(reg) & ~clear) | set, reg);
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/* flush write */
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__raw_readl(reg);
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spin_unlock_irqrestore(&ath79_gpio_lock, flags);
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}
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-void ath79_gpio_function_disable(u32 mask)
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+void ath79_gpio_function_enable(u32 mask)
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{
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- void __iomem *reg = ath79_gpio_get_function_reg();
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- unsigned long flags;
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-
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- spin_lock_irqsave(&ath79_gpio_lock, flags);
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-
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- __raw_writel(__raw_readl(reg) & ~mask, reg);
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- /* flush write */
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- __raw_readl(reg);
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-
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- spin_unlock_irqrestore(&ath79_gpio_lock, flags);
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+ ath79_gpio_function_setup(mask, 0);
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}
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-void ath79_gpio_function_setup(u32 set, u32 clear)
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+void ath79_gpio_function_disable(u32 mask)
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{
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- void __iomem *reg = ath79_gpio_get_function_reg();
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- unsigned long flags;
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-
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- spin_lock_irqsave(&ath79_gpio_lock, flags);
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-
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- __raw_writel((__raw_readl(reg) & ~clear) | set, reg);
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- /* flush write */
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- __raw_readl(reg);
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-
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- spin_unlock_irqrestore(&ath79_gpio_lock, flags);
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+ ath79_gpio_function_setup(0, mask);
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}
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void __init ath79_gpio_init(void)
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