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| author | Matteo Croce <matteo@openwrt.org> | 2008-01-13 20:13:08 +0000 |
|---|---|---|
| committer | Matteo Croce <matteo@openwrt.org> | 2008-01-13 20:13:08 +0000 |
| commit | 959fe0f9d9dbe9338fc1f160bc329a4b9ebbbbc0 (patch) | |
| tree | 9bfc3d050b9e3f22509ea8075446edbaccc2a784 /target/linux/ar7/files | |
| parent | 2603bf190b3d07b4040c203d044ec047655e7374 (diff) | |
| download | master-187ad058-959fe0f9d9dbe9338fc1f160bc329a4b9ebbbbc0.tar.gz master-187ad058-959fe0f9d9dbe9338fc1f160bc329a4b9ebbbbc0.tar.bz2 master-187ad058-959fe0f9d9dbe9338fc1f160bc329a4b9ebbbbc0.zip | |
gpio: revert it back, wrong and useless
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10181 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 | 18 |
1 files changed, 5 insertions, 13 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 00418b5863..2e19fcae9d 100644 --- a/target/linux/ar7/files/include/asm-mips/ar7/gpio.h +++ b/target/linux/ar7/files/include/asm-mips/ar7/gpio.h @@ -28,26 +28,18 @@ extern void gpio_free(unsigned gpio); /* Common GPIO layer */ static inline int gpio_get_value(unsigned gpio) { - static unsigned addr; + void __iomem *gpio_in = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_INPUT); - if (!addr) { - void __iomem *gpio_in = (void __iomem *) - KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_INPUT); - addr = readl(gpio_in); - } - - return addr & (1 << gpio); + return readl(gpio_in) & (1 << gpio); } static inline void gpio_set_value(unsigned gpio, int value) { - static void __iomem *gpio_out; + void __iomem *gpio_out = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT); unsigned tmp; - if (!gpio_out) - gpio_out = (void __iomem *) - KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT); - tmp = readl(gpio_out) & ~(1 << gpio); if (value) tmp |= 1 << gpio; |