1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _LINUX_OF_DEVICE_H 3 #define _LINUX_OF_DEVICE_H 4 5 #include <linux/cpu.h> 6 #include <linux/platform_device.h> 7 #include <linux/of_platform.h> /* temporary until merge */ 8 9 #include <linux/of.h> 10 11 struct device; 12 struct of_device_id; 13 struct kobj_uevent_env; 14 15 #ifdef CONFIG_OF 16 extern const struct of_device_id *of_match_device( 17 const struct of_device_id *matches, const struct device *dev); 18 19 /** 20 * of_driver_match_device - Tell if a driver's of_match_table matches a device. 21 * @drv: the device_driver structure to test 22 * @dev: the device structure to match against 23 */ 24 static inline int of_driver_match_device(struct device *dev, 25 const struct device_driver *drv) 26 { 27 return of_match_device(drv->of_match_table, dev) != NULL; 28 } 29 30 extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len); 31 extern int of_device_request_module(struct device *dev); 32 33 extern void of_device_uevent(const struct device *dev, struct kobj_uevent_env *env); 34 extern int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *env); 35 36 int of_dma_configure_id(struct device *dev, 37 struct device_node *np, 38 bool force_dma, const u32 *id); 39 static inline int of_dma_configure(struct device *dev, 40 struct device_node *np, 41 bool force_dma) 42 { 43 return of_dma_configure_id(dev, np, force_dma, NULL); 44 } 45 #else /* CONFIG_OF */ 46 47 static inline int of_driver_match_device(struct device *dev, 48 const struct device_driver *drv) 49 { 50 return 0; 51 } 52 53 static inline void of_device_uevent(const struct device *dev, 54 struct kobj_uevent_env *env) { } 55 56 static inline int of_device_modalias(struct device *dev, 57 char *str, ssize_t len) 58 { 59 return -ENODEV; 60 } 61 62 static inline int of_device_request_module(struct device *dev) 63 { 64 return -ENODEV; 65 } 66 67 static inline int of_device_uevent_modalias(const struct device *dev, 68 struct kobj_uevent_env *env) 69 { 70 return -ENODEV; 71 } 72 73 static inline const struct of_device_id *of_match_device( 74 const struct of_device_id *matches, const struct device *dev) 75 { 76 return NULL; 77 } 78 79 static inline int of_dma_configure_id(struct device *dev, 80 struct device_node *np, 81 bool force_dma, 82 const u32 *id) 83 { 84 return 0; 85 } 86 static inline int of_dma_configure(struct device *dev, 87 struct device_node *np, 88 bool force_dma) 89 { 90 return 0; 91 } 92 #endif /* CONFIG_OF */ 93 94 #endif /* _LINUX_OF_DEVICE_H */ 95