/* SPDX-License-Identifier: GPL-2.0 */ #ifndef GPIOLIB_OF_H #define GPIOLIB_OF_H #include <linux/err.h> #include <linux/types.h> #include <linux/notifier.h> struct device; struct gpio_chip; struct gpio_desc; struct gpio_device; #ifdef CONFIG_OF_GPIO struct gpio_desc *of_find_gpio(struct device_node *np, const char *con_id, unsigned int idx, unsigned long *lookupflags); int of_gpiochip_add(struct gpio_chip *gc); void of_gpiochip_remove(struct gpio_chip *gc); int of_gpio_get_count(struct device *dev, const char *con_id); #else static inline struct gpio_desc *of_find_gpio(struct device_node *np, const char *con_id, unsigned int idx, unsigned long *lookupflags) { return ERR_PTR(-ENOENT); } static inline int of_gpiochip_add(struct gpio_chip *gc) { return 0; } static inline void of_gpiochip_remove(struct gpio_chip *gc) { } static inline int of_gpio_get_count(struct device *dev, const char *con_id) { return 0; } #endif /* CONFIG_OF_GPIO */ extern struct notifier_block gpio_of_notifier; #endif /* GPIOLIB_OF_H */