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-rw-r--r--include/linux/gpio.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index e10c49a5b96..059bd189d35 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -12,6 +12,8 @@
#include <linux/types.h>
#include <linux/errno.h>
+struct device;
+
/*
* Some platforms don't support the GPIO programming interface.
*
@@ -89,6 +91,15 @@ static inline int gpio_export(unsigned gpio, bool direction_may_change)
return -EINVAL;
}
+static inline int gpio_export_link(struct device *dev, const char *name,
+ unsigned gpio)
+{
+ /* GPIO can never have been exported */
+ WARN_ON(1);
+ return -EINVAL;
+}
+
+
static inline void gpio_unexport(unsigned gpio)
{
/* GPIO can never have been exported */