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>
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 1d5214a..f79d67f 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 @@
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 @@
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;