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Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/acpi_gpio.h4
-rw-r--r--include/linux/gpio.h28
2 files changed, 12 insertions, 20 deletions
diff --git a/include/linux/acpi_gpio.h b/include/linux/acpi_gpio.h
index 91615a389b65..b76ebd08ff8e 100644
--- a/include/linux/acpi_gpio.h
+++ b/include/linux/acpi_gpio.h
@@ -2,10 +2,12 @@
#define _LINUX_ACPI_GPIO_H_
#include <linux/errno.h>
+#include <linux/gpio.h>
#ifdef CONFIG_GPIO_ACPI
int acpi_get_gpio(char *path, int pin);
+void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
#else /* CONFIG_GPIO_ACPI */
@@ -14,6 +16,8 @@ static inline int acpi_get_gpio(char *path, int pin)
return -ENODEV;
}
+static inline void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
+
#endif /* CONFIG_GPIO_ACPI */
#endif /* _LINUX_ACPI_GPIO_H_ */
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index bfe665621536..f6c7ae3e223b 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -94,24 +94,12 @@ static inline int gpio_request(unsigned gpio, const char *label)
return -ENOSYS;
}
-static inline int devm_gpio_request(struct device *dev, 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 int devm_gpio_request_one(struct device *dev, unsigned gpio,
- unsigned long flags, const char *label)
-{
- return -ENOSYS;
-}
-
static inline int gpio_request_array(const struct gpio *array, size_t num)
{
return -ENOSYS;
@@ -125,14 +113,6 @@ static inline void gpio_free(unsigned gpio)
WARN_ON(1);
}
-static inline void devm_gpio_free(struct device *dev, unsigned gpio)
-{
- might_sleep();
-
- /* GPIO can never have been requested */
- WARN_ON(1);
-}
-
static inline void gpio_free_array(const struct gpio *array, size_t num)
{
might_sleep();
@@ -248,4 +228,12 @@ gpiochip_remove_pin_ranges(struct gpio_chip *chip)
#endif /* ! CONFIG_GENERIC_GPIO */
+struct device;
+
+/* 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);
+void devm_gpio_free(struct device *dev, unsigned int gpio);
+
#endif /* __LINUX_GPIO_H */