Blame view

kernel/linux-imx6_3.14.28/include/linux/of_device.h 2.47 KB
6b13f685e   김민수   BSP 최초 추가
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
  #ifndef _LINUX_OF_DEVICE_H
  #define _LINUX_OF_DEVICE_H
  
  #include <linux/cpu.h>
  #include <linux/platform_device.h>
  #include <linux/of_platform.h> /* temporary until merge */
  
  #include <linux/of.h>
  #include <linux/mod_devicetable.h>
  
  struct device;
  
  #ifdef CONFIG_OF
  extern const struct of_device_id *of_match_device(
  	const struct of_device_id *matches, const struct device *dev);
  extern void of_device_make_bus_id(struct device *dev);
  
  /**
   * of_driver_match_device - Tell if a driver's of_match_table matches a device.
   * @drv: the device_driver structure to test
   * @dev: the device structure to match against
   */
  static inline int of_driver_match_device(struct device *dev,
  					 const struct device_driver *drv)
  {
  	return of_match_device(drv->of_match_table, dev) != NULL;
  }
  
  extern struct platform_device *of_dev_get(struct platform_device *dev);
  extern void of_dev_put(struct platform_device *dev);
  
  extern int of_device_add(struct platform_device *pdev);
  extern int of_device_register(struct platform_device *ofdev);
  extern void of_device_unregister(struct platform_device *ofdev);
  
  extern ssize_t of_device_get_modalias(struct device *dev,
  					char *str, ssize_t len);
  
  extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
  extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);
  
  static inline void of_device_node_put(struct device *dev)
  {
  	of_node_put(dev->of_node);
  }
  
  static inline struct device_node *of_cpu_device_node_get(int cpu)
  {
  	struct device *cpu_dev;
  	cpu_dev = get_cpu_device(cpu);
  	if (!cpu_dev)
  		return NULL;
  	return of_node_get(cpu_dev->of_node);
  }
  
  #else /* CONFIG_OF */
  
  static inline int of_driver_match_device(struct device *dev,
  					 struct device_driver *drv)
  {
  	return 0;
  }
  
  static inline void of_device_uevent(struct device *dev,
  			struct kobj_uevent_env *env) { }
  
  static inline int of_device_get_modalias(struct device *dev,
  				   char *str, ssize_t len)
  {
  	return -ENODEV;
  }
  
  static inline int of_device_uevent_modalias(struct device *dev,
  				   struct kobj_uevent_env *env)
  {
  	return -ENODEV;
  }
  
  static inline void of_device_node_put(struct device *dev) { }
  
  static inline const struct of_device_id *__of_match_device(
  		const struct of_device_id *matches, const struct device *dev)
  {
  	return NULL;
  }
  #define of_match_device(matches, dev)	\
  	__of_match_device(of_match_ptr(matches), (dev))
  
  static inline struct device_node *of_cpu_device_node_get(int cpu)
  {
  	return NULL;
  }
  #endif /* CONFIG_OF */
  
  #endif /* _LINUX_OF_DEVICE_H */