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 17 /** 18 * of_driver_match_device - Tell if a driver's of_match_table matches a device. 19 * @drv: the device_driver structure to test 20 * @dev: the device structure to match against 21 */ 22 static inline int of_driver_match_device(struct device *dev, 23 const struct device_driver *drv) 24 { 25 return of_match_device(drv->of_match_table, dev) != NULL; 26 } 27 28 extern struct platform_device *of_dev_get(struct platform_device *dev); 29 extern void of_dev_put(struct platform_device *dev); 30 31 extern int of_device_add(struct platform_device *pdev); 32 extern int of_device_register(struct platform_device *ofdev); 33 extern void of_device_unregister(struct platform_device *ofdev); 34 35 extern const void *of_device_get_match_data(const struct device *dev); 36 37 extern ssize_t of_device_get_modalias(struct device *dev, 38 char *str, ssize_t len); 39 40 extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env); 41 extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env); 42 43 static inline void of_device_node_put(struct device *dev) 44 { 45 of_node_put(dev->of_node); 46 } 47 48 static inline struct device_node *of_cpu_device_node_get(int cpu) 49 { 50 struct device *cpu_dev; 51 cpu_dev = get_cpu_device(cpu); 52 if (!cpu_dev) 53 return NULL; 54 return of_node_get(cpu_dev->of_node); 55 } 56 57 void of_dma_configure(struct device *dev, struct device_node *np); 58 #else /* CONFIG_OF */ 59 60 static inline int of_driver_match_device(struct device *dev, 61 const struct device_driver *drv) 62 { 63 return 0; 64 } 65 66 static inline void of_device_uevent(struct device *dev, 67 struct kobj_uevent_env *env) { } 68 69 static inline const void *of_device_get_match_data(const struct device *dev) 70 { 71 return NULL; 72 } 73 74 static inline int of_device_get_modalias(struct device *dev, 75 char *str, ssize_t len) 76 { 77 return -ENODEV; 78 } 79 80 static inline int of_device_uevent_modalias(struct device *dev, 81 struct kobj_uevent_env *env) 82 { 83 return -ENODEV; 84 } 85 86 static inline void of_device_node_put(struct device *dev) { } 87 88 static inline const struct of_device_id *__of_match_device( 89 const struct of_device_id *matches, const struct device *dev) 90 { 91 return NULL; 92 } 93 #define of_match_device(matches, dev) \ 94 __of_match_device(of_match_ptr(matches), (dev)) 95 96 static inline struct device_node *of_cpu_device_node_get(int cpu) 97 { 98 return NULL; 99 } 100 static inline void of_dma_configure(struct device *dev, struct device_node *np) 101 {} 102 #endif /* CONFIG_OF */ 103 104 #endif /* _LINUX_OF_DEVICE_H */ 105