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 7 struct device; 8 struct of_device_id; 9 struct kobj_uevent_env; 10 11 #ifdef CONFIG_OF 12 extern 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 */ 20 static 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 26 extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len); 27 28 extern void of_device_uevent(const struct device *dev, struct kobj_uevent_env *env); 29 extern int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *env); 30 31 int of_dma_configure_id(struct device *dev, 32 struct device_node *np, 33 bool force_dma, const u32 *id); 34 static 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 41 void of_device_make_bus_id(struct device *dev); 42 43 #else /* CONFIG_OF */ 44 45 static inline int of_driver_match_device(struct device *dev, 46 const struct device_driver *drv) 47 { 48 return 0; 49 } 50 51 static inline void of_device_uevent(const struct device *dev, 52 struct kobj_uevent_env *env) { } 53 54 static inline int of_device_modalias(struct device *dev, 55 char *str, ssize_t len) 56 { 57 return -ENODEV; 58 } 59 60 static inline int of_device_uevent_modalias(const struct device *dev, 61 struct kobj_uevent_env *env) 62 { 63 return -ENODEV; 64 } 65 66 static 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 72 static 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 } 79 static inline int of_dma_configure(struct device *dev, 80 struct device_node *np, 81 bool force_dma) 82 { 83 return 0; 84 } 85 86 static inline void of_device_make_bus_id(struct device *dev) {} 87 88 #endif /* CONFIG_OF */ 89 90 #endif /* _LINUX_OF_DEVICE_H */ 91