1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _LINUX_OF_DEVICE_H 3 #define _LINUX_OF_DEVICE_H 4 5 #include <linux/platform_device.h> 6 #include <linux/of_platform.h> /* temporary until merge */ 7 8 #include <linux/of.h> 9 10 struct device; 11 struct of_device_id; 12 struct kobj_uevent_env; 13 14 #ifdef CONFIG_OF 15 extern const struct of_device_id *of_match_device( 16 const struct of_device_id *matches, const struct device *dev); 17 18 /** 19 * of_driver_match_device - Tell if a driver's of_match_table matches a device. 20 * @drv: the device_driver structure to test 21 * @dev: the device structure to match against 22 */ 23 static inline int of_driver_match_device(struct device *dev, 24 const struct device_driver *drv) 25 { 26 return of_match_device(drv->of_match_table, dev) != NULL; 27 } 28 29 extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len); 30 extern int of_device_request_module(struct device *dev); 31 32 extern void of_device_uevent(const struct device *dev, struct kobj_uevent_env *env); 33 extern int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *env); 34 35 int of_dma_configure_id(struct device *dev, 36 struct device_node *np, 37 bool force_dma, const u32 *id); 38 static inline int of_dma_configure(struct device *dev, 39 struct device_node *np, 40 bool force_dma) 41 { 42 return of_dma_configure_id(dev, np, force_dma, NULL); 43 } 44 #else /* CONFIG_OF */ 45 46 static inline int of_driver_match_device(struct device *dev, 47 const struct device_driver *drv) 48 { 49 return 0; 50 } 51 52 static inline void of_device_uevent(const struct device *dev, 53 struct kobj_uevent_env *env) { } 54 55 static inline int of_device_modalias(struct device *dev, 56 char *str, ssize_t len) 57 { 58 return -ENODEV; 59 } 60 61 static inline int of_device_request_module(struct device *dev) 62 { 63 return -ENODEV; 64 } 65 66 static inline int of_device_uevent_modalias(const struct device *dev, 67 struct kobj_uevent_env *env) 68 { 69 return -ENODEV; 70 } 71 72 static inline const struct of_device_id *of_match_device( 73 const struct of_device_id *matches, const struct device *dev) 74 { 75 return NULL; 76 } 77 78 static inline int of_dma_configure_id(struct device *dev, 79 struct device_node *np, 80 bool force_dma, 81 const u32 *id) 82 { 83 return 0; 84 } 85 static inline int of_dma_configure(struct device *dev, 86 struct device_node *np, 87 bool force_dma) 88 { 89 return 0; 90 } 91 #endif /* CONFIG_OF */ 92 93 #endif /* _LINUX_OF_DEVICE_H */ 94