1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _LINUX_OF_DEVICE_H 3#define _LINUX_OF_DEVICE_H 4 5#include <linux/device/driver.h> 6 7struct device; 8struct of_device_id; 9struct kobj_uevent_env; 10 11#ifdef CONFIG_OF 12extern const struct of_device_id *of_match_device( 13 const struct of_device_id *matches, const struct device *dev); 14 15/** 16 * of_driver_match_device - Tell if a driver's of_match_table matches a device. 17 * @drv: the device_driver structure to test 18 * @dev: the device structure to match against 19 */ 20static inline int of_driver_match_device(struct device *dev, 21 const struct device_driver *drv) 22{ 23 return of_match_device(drv->of_match_table, dev) != NULL; 24} 25 26extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len); 27 28extern void of_device_uevent(const struct device *dev, struct kobj_uevent_env *env); 29extern int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *env); 30 31int of_dma_configure_id(struct device *dev, 32 struct device_node *np, 33 bool force_dma, const u32 *id); 34static inline int of_dma_configure(struct device *dev, 35 struct device_node *np, 36 bool force_dma) 37{ 38 return of_dma_configure_id(dev, np, force_dma, NULL); 39} 40 41void of_device_make_bus_id(struct device *dev); 42 43#else /* CONFIG_OF */ 44 45static inline int of_driver_match_device(struct device *dev, 46 const struct device_driver *drv) 47{ 48 return 0; 49} 50 51static inline void of_device_uevent(const struct device *dev, 52 struct kobj_uevent_env *env) { } 53 54static inline int of_device_modalias(struct device *dev, 55 char *str, ssize_t len) 56{ 57 return -ENODEV; 58} 59 60static inline int of_device_uevent_modalias(const struct device *dev, 61 struct kobj_uevent_env *env) 62{ 63 return -ENODEV; 64} 65 66static inline const struct of_device_id *of_match_device( 67 const struct of_device_id *matches, const struct device *dev) 68{ 69 return NULL; 70} 71 72static inline int of_dma_configure_id(struct device *dev, 73 struct device_node *np, 74 bool force_dma, 75 const u32 *id) 76{ 77 return 0; 78} 79static inline int of_dma_configure(struct device *dev, 80 struct device_node *np, 81 bool force_dma) 82{ 83 return 0; 84} 85 86static inline void of_device_make_bus_id(struct device *dev) {} 87 88#endif /* CONFIG_OF */ 89 90#endif /* _LINUX_OF_DEVICE_H */ 91