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-rw-r--r--include/linux/gpio.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index d1890d46b6c..7a8816a1a0d 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -1,6 +1,8 @@
#ifndef __LINUX_GPIO_H
#define __LINUX_GPIO_H
+#include <linux/errno.h>
+
/* see Documentation/gpio.txt */
/* make these flag values available regardless of GPIO kconfig options */
@@ -38,7 +40,39 @@ struct gpio {
};
#ifdef CONFIG_GENERIC_GPIO
+
+#ifdef CONFIG_ARCH_HAVE_CUSTOM_GPIO_H
#include <asm/gpio.h>
+#else
+
+#include <asm-generic/gpio.h>
+
+static inline int gpio_get_value(unsigned int gpio)
+{
+ return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned int gpio, int value)
+{
+ __gpio_set_value(gpio, value);
+}
+
+static inline int gpio_cansleep(unsigned int gpio)
+{
+ return __gpio_cansleep(gpio);
+}
+
+static inline int gpio_to_irq(unsigned int gpio)
+{
+ return __gpio_to_irq(gpio);
+}
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+ return -EINVAL;
+}
+
+#endif
#else