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Diffstat (limited to 'include/linux/gpio.h')
-rw-r--r--include/linux/gpio.h25
1 files changed, 6 insertions, 19 deletions
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 56ac7e7a2889..c1ec62c11ed3 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
- * <linux/gpio.h>
+ * 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,
@@ -16,21 +16,10 @@
struct device;
-/* see Documentation/driver-api/gpio/legacy.rst */
-
/* make these flag values available regardless of GPIO kconfig options */
-#define GPIOF_DIR_OUT (0 << 0)
-#define GPIOF_DIR_IN (1 << 0)
-
-#define GPIOF_INIT_LOW (0 << 1)
-#define GPIOF_INIT_HIGH (1 << 1)
-
-#define GPIOF_IN (GPIOF_DIR_IN)
-#define GPIOF_OUT_INIT_LOW (GPIOF_DIR_OUT | GPIOF_INIT_LOW)
-#define GPIOF_OUT_INIT_HIGH (GPIOF_DIR_OUT | GPIOF_INIT_HIGH)
-
-/* Gpio pin is active-low */
-#define GPIOF_ACTIVE_LOW (1 << 2)
+#define GPIOF_IN ((1 << 0))
+#define GPIOF_OUT_INIT_LOW ((0 << 0) | (0 << 1))
+#define GPIOF_OUT_INIT_HIGH ((0 << 0) | (1 << 1))
/**
* struct gpio - a structure describing a GPIO with configuration
@@ -102,7 +91,7 @@ static inline int gpio_get_value_cansleep(unsigned gpio)
}
static inline void gpio_set_value_cansleep(unsigned gpio, int value)
{
- return gpiod_set_raw_value_cansleep(gpio_to_desc(gpio), value);
+ gpiod_set_raw_value_cansleep(gpio_to_desc(gpio), value);
}
static inline int gpio_get_value(unsigned gpio)
@@ -111,7 +100,7 @@ static inline int gpio_get_value(unsigned gpio)
}
static inline void gpio_set_value(unsigned gpio, int value)
{
- return gpiod_set_raw_value(gpio_to_desc(gpio), value);
+ gpiod_set_raw_value(gpio_to_desc(gpio), value);
}
static inline int gpio_to_irq(unsigned gpio)
@@ -121,8 +110,6 @@ static inline int gpio_to_irq(unsigned gpio)
int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
-/* CONFIG_GPIOLIB: bindings for managed devices that want to request gpios */
-
int devm_gpio_request(struct device *dev, unsigned gpio, const char *label);
int devm_gpio_request_one(struct device *dev, unsigned gpio,
unsigned long flags, const char *label);