1 #ifndef _LINUX_OF_DEVICE_H
2 #define _LINUX_OF_DEVICE_H
3
4 #include <linux/platform_device.h>
5 #include <linux/of_platform.h> /* temporary until merge */
6
7 #ifdef CONFIG_OF_DEVICE
8 #include <linux/of.h>
9 #include <linux/mod_devicetable.h>
10
11 struct device;
12
13 extern const struct of_device_id *of_match_device(
14 const struct of_device_id *matches, const struct device *dev);
15 extern void of_device_make_bus_id(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 */
of_driver_match_device(struct device * dev,const struct device_driver * drv)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 ssize_t of_device_get_modalias(struct device *dev,
36 char *str, ssize_t len);
37
38 extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
39 extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);
40
of_device_node_put(struct device * dev)41 static inline void of_device_node_put(struct device *dev)
42 {
43 of_node_put(dev->of_node);
44 }
45
46 #else /* CONFIG_OF_DEVICE */
47
of_driver_match_device(struct device * dev,struct device_driver * drv)48 static inline int of_driver_match_device(struct device *dev,
49 struct device_driver *drv)
50 {
51 return 0;
52 }
53
of_device_uevent(struct device * dev,struct kobj_uevent_env * env)54 static inline void of_device_uevent(struct device *dev,
55 struct kobj_uevent_env *env) { }
56
of_device_uevent_modalias(struct device * dev,struct kobj_uevent_env * env)57 static inline int of_device_uevent_modalias(struct device *dev,
58 struct kobj_uevent_env *env)
59 {
60 return -ENODEV;
61 }
62
of_device_node_put(struct device * dev)63 static inline void of_device_node_put(struct device *dev) { }
64
of_match_device(const struct of_device_id * matches,const struct device * dev)65 static inline const struct of_device_id *of_match_device(
66 const struct of_device_id *matches, const struct device *dev)
67 {
68 return NULL;
69 }
70 #endif /* CONFIG_OF_DEVICE */
71
72 #endif /* _LINUX_OF_DEVICE_H */
73