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-rw-r--r--target/linux/ar7/files/include/asm-mips/ar7/gpio.h11
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);