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 */
of_driver_match_device(struct device * dev,const struct device_driver * drv)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 const void *of_device_get_match_data(const struct device *dev);
37
38 extern ssize_t of_device_get_modalias(struct device *dev,
39 char *str, ssize_t len);
40
41 extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
42 extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);
43
of_device_node_put(struct device * dev)44 static inline void of_device_node_put(struct device *dev)
45 {
46 of_node_put(dev->of_node);
47 }
48
of_cpu_device_node_get(int cpu)49 static inline struct device_node *of_cpu_device_node_get(int cpu)
50 {
51 struct device *cpu_dev;
52 cpu_dev = get_cpu_device(cpu);
53 if (!cpu_dev)
54 return NULL;
55 return of_node_get(cpu_dev->of_node);
56 }
57
58 void of_dma_configure(struct device *dev, struct device_node *np);
59 #else /* CONFIG_OF */
60
of_driver_match_device(struct device * dev,const struct device_driver * drv)61 static inline int of_driver_match_device(struct device *dev,
62 const struct device_driver *drv)
63 {
64 return 0;
65 }
66
of_device_uevent(struct device * dev,struct kobj_uevent_env * env)67 static inline void of_device_uevent(struct device *dev,
68 struct kobj_uevent_env *env) { }
69
of_device_get_match_data(const struct device * dev)70 static inline const void *of_device_get_match_data(const struct device *dev)
71 {
72 return NULL;
73 }
74
of_device_get_modalias(struct device * dev,char * str,ssize_t len)75 static inline int of_device_get_modalias(struct device *dev,
76 char *str, ssize_t len)
77 {
78 return -ENODEV;
79 }
80
of_device_uevent_modalias(struct device * dev,struct kobj_uevent_env * env)81 static inline int of_device_uevent_modalias(struct device *dev,
82 struct kobj_uevent_env *env)
83 {
84 return -ENODEV;
85 }
86
of_device_node_put(struct device * dev)87 static inline void of_device_node_put(struct device *dev) { }
88
__of_match_device(const struct of_device_id * matches,const struct device * dev)89 static inline const struct of_device_id *__of_match_device(
90 const struct of_device_id *matches, const struct device *dev)
91 {
92 return NULL;
93 }
94 #define of_match_device(matches, dev) \
95 __of_match_device(of_match_ptr(matches), (dev))
96
of_cpu_device_node_get(int cpu)97 static inline struct device_node *of_cpu_device_node_get(int cpu)
98 {
99 return NULL;
100 }
of_dma_configure(struct device * dev,struct device_node * np)101 static inline void of_dma_configure(struct device *dev, struct device_node *np)
102 {}
103 #endif /* CONFIG_OF */
104
105 #endif /* _LINUX_OF_DEVICE_H */
106