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