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GPIO fix

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SVN-Revision: 10180
This commit is contained in:
Matteo Croce 2008-01-12 17:14:15 +00:00
parent fae9e82aad
commit 5d249c898d
1 changed files with 5 additions and 6 deletions
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11
target/linux/ar7/files/include/asm-mips/ar7/gpio.h
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@ -41,15 +41,14 @@ static inline int gpio_get_value(unsigned gpio)
static inline void gpio_set_value(unsigned gpio, int value) static inline void gpio_set_value(unsigned gpio, int value)
{ {
static unsigned addr; static void __iomem *gpio_out;
unsigned tmp; unsigned tmp;
void __iomem *gpio_out = if (!gpio_out)
(void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT); gpio_out = (void __iomem *)
if (!addr) KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT);
addr = readl(gpio_out);
tmp = addr & ~(1 << gpio); tmp = readl(gpio_out) & ~(1 << gpio);
if (value) if (value)
tmp |= 1 << gpio; tmp |= 1 << gpio;
writel(tmp, gpio_out); writel(tmp, gpio_out);