diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.8/008-MIPS-ath79-simplify-ath79_gpio_function_-routines.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.8/008-MIPS-ath79-simplify-ath79_gpio_function_-routines.patch | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.8/008-MIPS-ath79-simplify-ath79_gpio_function_-routines.patch b/target/linux/ar71xx/patches-3.8/008-MIPS-ath79-simplify-ath79_gpio_function_-routines.patch new file mode 100644 index 000000000..8606f3bf6 --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/008-MIPS-ath79-simplify-ath79_gpio_function_-routines.patch @@ -0,0 +1,72 @@ +From 6c888a88f2a9939182bf41151f079a6b59f1593c Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Tue, 29 Jan 2013 08:19:13 +0000 +Subject: [PATCH] MIPS: ath79: simplify ath79_gpio_function_* routines + +commit f160a289e0e8848391f5ec48ff1a014b9c04b162 upstream. + +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> +--- + arch/mips/ath79/gpio.c | 30 ++++++------------------------ + 1 file changed, 6 insertions(+), 24 deletions(-) + +--- a/arch/mips/ath79/gpio.c ++++ b/arch/mips/ath79/gpio.c +@@ -154,46 +154,28 @@ static void __iomem *ath79_gpio_get_func + 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) |