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-rw-r--r--target/linux/ar7/files/include/asm-mips/ar7/gpio.h18
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;