gpiolib: add missing functions to generic fallback

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Greg KH <gregkh@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 1d5214a89110..f79d67f413e4 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -13,6 +13,7 @@
 #include <linux/errno.h>
 
 struct device;
+struct gpio;
 struct gpio_chip;
 
 /*
@@ -34,6 +35,17 @@ static inline int __must_check gpio_request(unsigned gpio, const char *label)
         return -ENOSYS;
 }
 
+static inline int __must_check gpio_request_one(unsigned gpio,
+                                        unsigned long flags, const char *label)
+{
+        return -ENOSYS;
+}
+
+static inline int __must_check gpio_request_array(struct gpio *array, size_t num)
+{
+        return -ENOSYS;
+}
+
 static inline void gpio_free(unsigned gpio)
 {
         might_sleep();
@@ -42,6 +54,14 @@ static inline void gpio_free(unsigned gpio)
         WARN_ON(1);
 }
 
+static inline void gpio_free_array(struct gpio *array, size_t num)
+{
+        might_sleep();
+
+        /* GPIO can never have been requested */
+        WARN_ON(1);
+}
+
 static inline int __must_check gpio_direction_input(unsigned gpio)
 {
         return -ENOSYS;