diff options
| author | matteo <matteo@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-01-12 17:14:15 +0000 |
|---|---|---|
| committer | matteo <matteo@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-01-12 17:14:15 +0000 |
| commit | c46ac2ae6d2f2fb0a9fef3583da33cc72dd142ba (patch) | |
| tree | 1083ca85460f95b54f7224fcfa1b632c1b41625a /target/linux/ar7/files/include/asm-mips | |
| parent | b9a0122f2f0fe599461ea17786f6f5a51b6936f5 (diff) | |
[AR7] GPIO fix
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10180 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar7/files/include/asm-mips')
| -rw-r--r-- | target/linux/ar7/files/include/asm-mips/ar7/gpio.h | 11 |
1 files changed, 5 insertions, 6 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 7d665ff62..00418b586 100644 --- a/target/linux/ar7/files/include/asm-mips/ar7/gpio.h +++ b/target/linux/ar7/files/include/asm-mips/ar7/gpio.h @@ -41,15 +41,14 @@ static inline int gpio_get_value(unsigned gpio) static inline void gpio_set_value(unsigned gpio, int value) { - static unsigned addr; + static void __iomem *gpio_out; unsigned tmp; - void __iomem *gpio_out = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT); - if (!addr) - addr = readl(gpio_out); + if (!gpio_out) + gpio_out = (void __iomem *) + KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT); - tmp = addr & ~(1 << gpio); + tmp = readl(gpio_out) & ~(1 << gpio); if (value) tmp |= 1 << gpio; writel(tmp, gpio_out); |