1 #ifndef _LINUX_OF_DEVICE_H 2 #define _LINUX_OF_DEVICE_H 3 4 /* 5 * The of_device *was* a kind of "base class" that was a superset of 6 * struct device for use by devices attached to an OF node and probed 7 * using OF properties. However, the important bit of OF-style 8 * probing, namely the device node pointer, has been moved into the 9 * common struct device when CONFIG_OF is set to make OF-style probing 10 * available to all bus types. So now, just make of_device and 11 * platform_device equivalent so that current of_platform bus users 12 * can be transparently migrated over to using the platform bus. 13 * 14 * This line will go away once all references to of_device are removed 15 * from the kernel. 16 */ 17 #define of_device platform_device 18 #include <linux/platform_device.h> 19 #include <linux/of_platform.h> /* temporary until merge */ 20 21 #ifdef CONFIG_OF_DEVICE 22 #include <linux/device.h> 23 #include <linux/of.h> 24 #include <linux/mod_devicetable.h> 25 26 #define to_of_device(d) container_of(d, struct of_device, dev) 27 28 extern const struct of_device_id *of_match_device( 29 const struct of_device_id *matches, const struct device *dev); 30 extern void of_device_make_bus_id(struct device *dev); 31 32 /** 33 * of_driver_match_device - Tell if a driver's of_match_table matches a device. 34 * @drv: the device_driver structure to test 35 * @dev: the device structure to match against 36 */ 37 static inline int of_driver_match_device(const struct device *dev, 38 const struct device_driver *drv) 39 { 40 return of_match_device(drv->of_match_table, dev) != NULL; 41 } 42 43 extern struct platform_device *of_dev_get(struct platform_device *dev); 44 extern void of_dev_put(struct platform_device *dev); 45 46 extern int of_device_register(struct platform_device *ofdev); 47 extern void of_device_unregister(struct platform_device *ofdev); 48 extern void of_release_dev(struct device *dev); 49 50 static inline void of_device_free(struct platform_device *dev) 51 { 52 of_release_dev(&dev->dev); 53 } 54 55 extern ssize_t of_device_get_modalias(struct device *dev, 56 char *str, ssize_t len); 57 58 extern int of_device_uevent(struct device *dev, struct kobj_uevent_env *env); 59 60 61 #else /* CONFIG_OF_DEVICE */ 62 63 static inline int of_driver_match_device(struct device *dev, 64 struct device_driver *drv) 65 { 66 return 0; 67 } 68 69 static inline int of_device_uevent(struct device *dev, 70 struct kobj_uevent_env *env) 71 { 72 return -ENODEV; 73 } 74 75 #endif /* CONFIG_OF_DEVICE */ 76 77 #endif /* _LINUX_OF_DEVICE_H */ 78