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-rw-r--r--arch/arm/mach-pxa/generic.c38
-rw-r--r--include/asm-arm/arch-pxa/gpio.h12
2 files changed, 40 insertions, 10 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 2263a84844a..1c34946ee16 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -105,6 +105,44 @@ int pxa_gpio_mode(int gpio_mode)
EXPORT_SYMBOL(pxa_gpio_mode);
+int gpio_direction_input(unsigned gpio)
+{
+ unsigned long flags;
+ u32 mask;
+
+ if (gpio > pxa_last_gpio)
+ return -EINVAL;
+
+ mask = GPIO_bit(gpio);
+ local_irq_save(flags);
+ GPDR(gpio) &= ~mask;
+ local_irq_restore(flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(gpio_direction_input);
+
+int gpio_direction_output(unsigned gpio, int value)
+{
+ unsigned long flags;
+ u32 mask;
+
+ if (gpio > pxa_last_gpio)
+ return -EINVAL;
+
+ mask = GPIO_bit(gpio);
+ local_irq_save(flags);
+ if (value)
+ GPSR(gpio) = mask;
+ else
+ GPCR(gpio) = mask;
+ GPDR(gpio) |= mask;
+ local_irq_restore(flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(gpio_direction_output);
+
/*
* Return GPIO level
*/
diff --git a/include/asm-arm/arch-pxa/gpio.h b/include/asm-arm/arch-pxa/gpio.h
index 9e99241f3ed..9dbc2dc794f 100644
--- a/include/asm-arm/arch-pxa/gpio.h
+++ b/include/asm-arm/arch-pxa/gpio.h
@@ -38,16 +38,8 @@ static inline void gpio_free(unsigned gpio)
return;
}
-static inline int gpio_direction_input(unsigned gpio)
-{
- return pxa_gpio_mode(gpio | GPIO_IN);
-}
-
-static inline int gpio_direction_output(unsigned gpio, int value)
-{
- return pxa_gpio_mode(gpio | GPIO_OUT |
- (value ? GPIO_DFLT_HIGH : GPIO_DFLT_LOW));
-}
+extern int gpio_direction_input(unsigned gpio);
+extern int gpio_direction_output(unsigned gpio, int value);
static inline int __gpio_get_value(unsigned gpio)
{