gpiolib: remove asm-generic/gpio.h

The asm-generic/gpio.h file is now always included when
using gpiolib, so just move its contents into linux/gpio.h
with a few minor simplifications.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

1 files changed, 0 insertions, 146 deletions

diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
deleted file mode 100644
index 1c910d124423..000000000000
--- a/include/asm-generic/gpio.h
+++ /dev/null
@@ -1,146 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_GENERIC_GPIO_H
-#define _ASM_GENERIC_GPIO_H
-
-#include <linux/types.h>
-#include <linux/errno.h>
-
-#ifdef CONFIG_GPIOLIB
-
-#include <linux/compiler.h>
-#include <linux/gpio/consumer.h>
-
-/*
- * 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).
- */
-
-/*
- * At the end we want all GPIOs to be dynamically allocated from 0.
- * However, some legacy drivers still perform fixed allocation.
- * Until they are all fixed, leave 0-512 space for them.
- */
-#define GPIO_DYNAMIC_BASE	512
-
-struct device;
-struct gpio;
-struct seq_file;
-struct module;
-struct device_node;
-struct gpio_desc;
-
-/* Always use the library code for GPIO management calls,
- * or when sleeping may be involved.
- */
-extern int gpio_request(unsigned gpio, const char *label);
-extern 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_set_debounce(unsigned gpio, unsigned debounce)
-{
-	return gpiod_set_debounce(gpio_to_desc(gpio), debounce);
-}
-
-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)
-{
-	return gpiod_set_raw_value_cansleep(gpio_to_desc(gpio), value);
-}
-
-
-/* A platform's <asm/gpio.h> code may want to inline the I/O calls when
- * the GPIO is constant and refers to some always-present controller,
- * giving direct access to chip registers and tight bitbanging loops.
- */
-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)
-{
-	return gpiod_set_raw_value(gpio_to_desc(gpio), value);
-}
-
-static inline int __gpio_cansleep(unsigned gpio)
-{
-	return gpiod_cansleep(gpio_to_desc(gpio));
-}
-
-static inline int __gpio_to_irq(unsigned gpio)
-{
-	return gpiod_to_irq(gpio_to_desc(gpio));
-}
-
-extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
-extern int gpio_request_array(const struct gpio *array, size_t num);
-extern void gpio_free_array(const struct gpio *array, size_t num);
-
-/*
- * A sysfs interface can be exported by individual drivers if they want,
- * but more typically is configured entirely from userspace.
- */
-static inline int gpio_export(unsigned gpio, bool direction_may_change)
-{
-	return gpiod_export(gpio_to_desc(gpio), direction_may_change);
-}
-
-static inline void gpio_unexport(unsigned gpio)
-{
-	gpiod_unexport(gpio_to_desc(gpio));
-}
-
-#else	/* !CONFIG_GPIOLIB */
-
-#include <linux/kernel.h>
-
-/* platforms that don't directly support access to GPIOs through I2C, SPI,
- * or other blocking infrastructure can use these wrappers.
- */
-
-static inline int gpio_cansleep(unsigned gpio)
-{
-	return 0;
-}
-
-static inline int gpio_get_value_cansleep(unsigned gpio)
-{
-	might_sleep();
-	return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value_cansleep(unsigned gpio, int value)
-{
-	might_sleep();
-	__gpio_set_value(gpio, value);
-}
-
-#endif /* !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;
-}
-
-#endif /* _ASM_GENERIC_GPIO_H */