diff options
Diffstat (limited to 'kernel/drivers/gpio/gpiolib.h')
-rw-r--r-- | kernel/drivers/gpio/gpiolib.h | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/kernel/drivers/gpio/gpiolib.h b/kernel/drivers/gpio/gpiolib.h index 594b1798c..98ab08c0a 100644 --- a/kernel/drivers/gpio/gpiolib.h +++ b/kernel/drivers/gpio/gpiolib.h @@ -42,6 +42,9 @@ void acpi_gpiochip_free_interrupts(struct gpio_chip *chip); struct gpio_desc *acpi_get_gpiod_by_index(struct acpi_device *adev, const char *propname, int index, struct acpi_gpio_info *info); +struct gpio_desc *acpi_node_get_gpiod(struct fwnode_handle *fwnode, + const char *propname, int index, + struct acpi_gpio_info *info); int acpi_gpio_count(struct device *dev, const char *con_id); #else @@ -60,7 +63,12 @@ acpi_get_gpiod_by_index(struct acpi_device *adev, const char *propname, { return ERR_PTR(-ENOSYS); } - +static inline struct gpio_desc * +acpi_node_get_gpiod(struct fwnode_handle *fwnode, const char *propname, + int index, struct acpi_gpio_info *info) +{ + return ERR_PTR(-ENXIO); +} static inline int acpi_gpio_count(struct device *dev, const char *con_id) { return -ENODEV; @@ -83,21 +91,16 @@ struct gpio_desc { #define FLAG_IS_OUT 1 #define FLAG_EXPORT 2 /* protected by sysfs_lock */ #define FLAG_SYSFS 3 /* exported via /sys/class/gpio/control */ -#define FLAG_TRIG_FALL 4 /* trigger on falling edge */ -#define FLAG_TRIG_RISE 5 /* trigger on rising edge */ #define FLAG_ACTIVE_LOW 6 /* value has active low */ #define FLAG_OPEN_DRAIN 7 /* Gpio is open drain type */ #define FLAG_OPEN_SOURCE 8 /* Gpio is open source type */ #define FLAG_USED_AS_IRQ 9 /* GPIO is connected to an IRQ */ -#define FLAG_SYSFS_DIR 10 /* show sysfs direction attribute */ #define FLAG_IS_HOGGED 11 /* GPIO is hogged */ -#define ID_SHIFT 16 /* add new flags before this one */ - -#define GPIO_FLAGS_MASK ((1 << ID_SHIFT) - 1) -#define GPIO_TRIGGER_MASK (BIT(FLAG_TRIG_FALL) | BIT(FLAG_TRIG_RISE)) - + /* Connection label */ const char *label; + /* Name of the GPIO */ + const char *name; }; int gpiod_request(struct gpio_desc *desc, const char *label); @@ -151,17 +154,17 @@ static int __maybe_unused gpio_chip_hwgpio(const struct gpio_desc *desc) #ifdef CONFIG_GPIO_SYSFS -int gpiochip_export(struct gpio_chip *chip); -void gpiochip_unexport(struct gpio_chip *chip); +int gpiochip_sysfs_register(struct gpio_chip *chip); +void gpiochip_sysfs_unregister(struct gpio_chip *chip); #else -static inline int gpiochip_export(struct gpio_chip *chip) +static inline int gpiochip_sysfs_register(struct gpio_chip *chip) { return 0; } -static inline void gpiochip_unexport(struct gpio_chip *chip) +static inline void gpiochip_sysfs_unregister(struct gpio_chip *chip) { } |