1 #ifndef _LINUX_OF_DEVICE_H 2 #define _LINUX_OF_DEVICE_H 3 4 #include <linux/cpu.h> 5 #include <linux/platform_device.h> 6 #include <linux/of_platform.h> /* temporary until merge */ 7 8 #include <linux/of.h> 9 #include <linux/mod_devicetable.h> 10 11 struct device; 12 13 #ifdef CONFIG_OF 14 extern const struct of_device_id *of_match_device( 15 const struct of_device_id *matches, const struct device *dev); 16 extern void of_device_make_bus_id(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 struct platform_device *of_dev_get(struct platform_device *dev); 30 extern void of_dev_put(struct platform_device *dev); 31 32 extern int of_device_add(struct platform_device *pdev); 33 extern int of_device_register(struct platform_device *ofdev); 34 extern void of_device_unregister(struct platform_device *ofdev); 35 36 extern ssize_t of_device_get_modalias(struct device *dev, 37 char *str, ssize_t len); 38 39 extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env); 40 extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env); 41 42 static inline void of_device_node_put(struct device *dev) 43 { 44 of_node_put(dev->of_node); 45 } 46 47 static inline struct device_node *of_cpu_device_node_get(int cpu) 48 { 49 struct device *cpu_dev; 50 cpu_dev = get_cpu_device(cpu); 51 if (!cpu_dev) 52 return NULL; 53 return of_node_get(cpu_dev->of_node); 54 } 55 56 #else /* CONFIG_OF */ 57 58 static inline int of_driver_match_device(struct device *dev, 59 struct device_driver *drv) 60 { 61 return 0; 62 } 63 64 static inline void of_device_uevent(struct device *dev, 65 struct kobj_uevent_env *env) { } 66 67 static inline int of_device_get_modalias(struct device *dev, 68 char *str, ssize_t len) 69 { 70 return -ENODEV; 71 } 72 73 static inline int of_device_uevent_modalias(struct device *dev, 74 struct kobj_uevent_env *env) 75 { 76 return -ENODEV; 77 } 78 79 static inline void of_device_node_put(struct device *dev) { } 80 81 static inline const struct of_device_id *__of_match_device( 82 const struct of_device_id *matches, const struct device *dev) 83 { 84 return NULL; 85 } 86 #define of_match_device(matches, dev) \ 87 __of_match_device(of_match_ptr(matches), (dev)) 88 89 static inline struct device_node *of_cpu_device_node_get(int cpu) 90 { 91 return NULL; 92 } 93 #endif /* CONFIG_OF */ 94 95 #endif /* _LINUX_OF_DEVICE_H */ 96