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| author | Matteo Croce <matteo@openwrt.org> | 2007-10-23 15:45:54 +0000 |
|---|---|---|
| committer | Matteo Croce <matteo@openwrt.org> | 2007-10-23 15:45:54 +0000 |
| commit | e862674aa8cc63a3ed406ebf6a30f02e5dc9d4e8 (patch) | |
| tree | 1c4e2b723ccc6c190f8e4d34b9bac60139f66029 /target/linux/ar7/files | |
| parent | 198b1c3e4f865e6b4a63b4f5c38ce666cfbc8c79 (diff) | |
| download | upstream-e862674aa8cc63a3ed406ebf6a30f02e5dc9d4e8.tar.gz upstream-e862674aa8cc63a3ed406ebf6a30f02e5dc9d4e8.tar.bz2 upstream-e862674aa8cc63a3ed406ebf6a30f02e5dc9d4e8.zip | |
ar7_gpio: remove unneeded checks and volatile
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9419 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar7/files')
| -rw-r--r-- | target/linux/ar7/files/include/asm-mips/ar7/gpio.h | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/target/linux/ar7/files/include/asm-mips/ar7/gpio.h b/target/linux/ar7/files/include/asm-mips/ar7/gpio.h index a7ae1eeae1..2e19fcae9d 100644 --- a/target/linux/ar7/files/include/asm-mips/ar7/gpio.h +++ b/target/linux/ar7/files/include/asm-mips/ar7/gpio.h @@ -31,20 +31,14 @@ static inline int gpio_get_value(unsigned gpio) void __iomem *gpio_in = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_INPUT); - if (gpio >= AR7_GPIO_MAX) - return -EINVAL; - - return ((readl(gpio_in) & (1 << gpio)) != 0); + return readl(gpio_in) & (1 << gpio); } static inline void gpio_set_value(unsigned gpio, int value) { void __iomem *gpio_out = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT); - volatile unsigned tmp; - - if (gpio >= AR7_GPIO_MAX) - return; + unsigned tmp; tmp = readl(gpio_out) & ~(1 << gpio); if (value) @@ -95,9 +89,6 @@ static inline int ar7_gpio_enable(unsigned gpio) void __iomem *gpio_en = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE); - if (gpio >= AR7_GPIO_MAX) - return -EINVAL; - writel(readl(gpio_en) | (1 << gpio), gpio_en); return 0; @@ -108,9 +99,6 @@ static inline int ar7_gpio_disable(unsigned gpio) void __iomem *gpio_en = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE); - if (gpio >= AR7_GPIO_MAX) - return -EINVAL; - writel(readl(gpio_en) & ~(1 << gpio), gpio_en); return 0; |