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gpio: revert it back, wrong and useless 

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10181 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Matteo Croce 2008-01-13 20:13:08 +00:00
parent 2603bf190b
commit 959fe0f9d9
1 changed files with 5 additions and 13 deletions
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18
target/linux/ar7/files/include/asm-mips/ar7/gpio.h
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@ -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;