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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 e10c49a5b96e..059bd189d35d 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -12,6 +12,8 @@
12#include <linux/types.h> 12#include <linux/types.h>
13#include <linux/errno.h> 13#include <linux/errno.h>
14 14
15struct device;
16
15/* 17/*
16 * Some platforms don't support the GPIO programming interface. 18 * Some platforms don't support the GPIO programming interface.
17 * 19 *
@@ -89,6 +91,15 @@ static inline int gpio_export(unsigned gpio, bool direction_may_change)
89 return -EINVAL; 91 return -EINVAL;
90} 92}
91 93
94static inline int gpio_export_link(struct device *dev, const char *name,
95 unsigned gpio)
96{
97 /* GPIO can never have been exported */
98 WARN_ON(1);
99 return -EINVAL;
100}
101
102
92static inline void gpio_unexport(unsigned gpio) 103static inline void gpio_unexport(unsigned gpio)
93{ 104{
94 /* GPIO can never have been exported */ 105 /* GPIO can never have been exported */