1 files changed, 4 insertions, 158 deletions

diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 8f85ddb26429..b0d4942a65de 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -2,13 +2,11 @@
 /*
  * NOTE: This header *must not* be included.
  *
- * This is the LEGACY GPIO bulk include file, including legacy APIs. It is
- * used for GPIO drivers still referencing the global GPIO numberspace,
- * and should not be included in new code.
- *
  * If you're implementing a GPIO driver, only include <linux/gpio/driver.h>
  * If you're implementing a GPIO consumer, only include <linux/gpio/consumer.h>
+ * If you're using the legacy interfaces, include <linux/gpio/legacy.h>
  */
+
 #ifndef __LINUX_GPIO_H
 #define __LINUX_GPIO_H
 
@@ -18,159 +16,7 @@
 #endif
 
 #ifdef CONFIG_GPIOLIB_LEGACY
-
-struct device;
-
-/* make these flag values available regardless of GPIO kconfig options */
-#define GPIOF_IN		((1 << 0))
-#define GPIOF_OUT_INIT_LOW	((0 << 0) | (0 << 1))
-#define GPIOF_OUT_INIT_HIGH	((0 << 0) | (1 << 1))
-
-#ifdef CONFIG_GPIOLIB
-/*
- * "valid" GPIO numbers are nonnegative and may be passed to
- * setup routines like gpio_request().  Only some valid numbers
- * can successfully be requested and used.
- *
- * Invalid GPIO numbers are useful for indicating no-such-GPIO in
- * platform data and other tables.
- */
-static inline bool gpio_is_valid(int number)
-{
-	/* only non-negative numbers are valid */
-	return number >= 0;
-}
-
-/*
- * Platforms may implement their GPIO interface with library code,
- * at a small performance cost for non-inlined operations and some
- * extra memory (for code and for per-GPIO table entries).
- */
-
-/* Always use the library code for GPIO management calls,
- * or when sleeping may be involved.
- */
-int gpio_request(unsigned gpio, const char *label);
-void gpio_free(unsigned gpio);
-
-static inline int gpio_direction_input(unsigned gpio)
-{
-	return gpiod_direction_input(gpio_to_desc(gpio));
-}
-static inline int gpio_direction_output(unsigned gpio, int value)
-{
-	return gpiod_direction_output_raw(gpio_to_desc(gpio), value);
-}
-
-static inline int gpio_get_value_cansleep(unsigned gpio)
-{
-	return gpiod_get_raw_value_cansleep(gpio_to_desc(gpio));
-}
-static inline void gpio_set_value_cansleep(unsigned gpio, int value)
-{
-	gpiod_set_raw_value_cansleep(gpio_to_desc(gpio), value);
-}
-
-static inline int gpio_get_value(unsigned gpio)
-{
-	return gpiod_get_raw_value(gpio_to_desc(gpio));
-}
-static inline void gpio_set_value(unsigned gpio, int value)
-{
-	gpiod_set_raw_value(gpio_to_desc(gpio), value);
-}
-
-static inline int gpio_to_irq(unsigned gpio)
-{
-	return gpiod_to_irq(gpio_to_desc(gpio));
-}
-
-int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
-
-int devm_gpio_request_one(struct device *dev, unsigned gpio,
-			  unsigned long flags, const char *label);
-
-#else /* ! CONFIG_GPIOLIB */
-
-#include <linux/kernel.h>
-
-#include <asm/bug.h>
-#include <asm/errno.h>
-
-static inline bool gpio_is_valid(int number)
-{
-	return false;
-}
-
-static inline int gpio_request(unsigned gpio, const char *label)
-{
-	return -ENOSYS;
-}
-
-static inline int gpio_request_one(unsigned gpio,
-					unsigned long flags, const char *label)
-{
-	return -ENOSYS;
-}
-
-static inline void gpio_free(unsigned gpio)
-{
-	might_sleep();
-
-	/* GPIO can never have been requested */
-	WARN_ON(1);
-}
-
-static inline int gpio_direction_input(unsigned gpio)
-{
-	return -ENOSYS;
-}
-
-static inline int gpio_direction_output(unsigned gpio, int value)
-{
-	return -ENOSYS;
-}
-
-static inline int gpio_get_value(unsigned gpio)
-{
-	/* GPIO can never have been requested or set as {in,out}put */
-	WARN_ON(1);
-	return 0;
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
-	/* GPIO can never have been requested or set as output */
-	WARN_ON(1);
-}
-
-static inline int gpio_get_value_cansleep(unsigned gpio)
-{
-	/* GPIO can never have been requested or set as {in,out}put */
-	WARN_ON(1);
-	return 0;
-}
-
-static inline void gpio_set_value_cansleep(unsigned gpio, int value)
-{
-	/* GPIO can never have been requested or set as output */
-	WARN_ON(1);
-}
-
-static inline int gpio_to_irq(unsigned gpio)
-{
-	/* GPIO can never have been requested or set as input */
-	WARN_ON(1);
-	return -EINVAL;
-}
-
-static inline int devm_gpio_request_one(struct device *dev, unsigned gpio,
-					unsigned long flags, const char *label)
-{
-	WARN_ON(1);
-	return -EINVAL;
-}
-
-#endif /* ! CONFIG_GPIOLIB */
+#include <linux/gpio/legacy.h>
 #endif /* CONFIG_GPIOLIB_LEGACY */
+
 #endif /* __LINUX_GPIO_H */