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-rw-r--r--arch/nios2/include/asm/gpio.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/nios2/include/asm/gpio.h b/arch/nios2/include/asm/gpio.h
index cff1dd9..36a7132 100644
--- a/arch/nios2/include/asm/gpio.h
+++ b/arch/nios2/include/asm/gpio.h
@@ -26,6 +26,11 @@ static inline int gpio_request(unsigned gpio, const char *label)
return 0;
}
+static inline int gpio_free(unsigned gpio)
+{
+ return 0;
+}
+
static inline int gpio_direction_input(unsigned gpio)
{
writel(1, CONFIG_SYS_GPIO_BASE + (gpio << 2));
@@ -49,6 +54,7 @@ static inline void gpio_set_value(unsigned gpio, int value)
}
#else
extern int gpio_request(unsigned gpio, const char *label);
+extern int gpio_free(unsigned gpio);
extern int gpio_direction_input(unsigned gpio);
extern int gpio_direction_output(unsigned gpio, int value);
extern int gpio_get_value(unsigned gpio);