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
11struct device;
12
13#ifdef CONFIG_OF
14extern const struct of_device_id *of_match_device(
15	const struct of_device_id *matches, const struct device *dev);
16extern 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 */
23static 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
29extern struct platform_device *of_dev_get(struct platform_device *dev);
30extern void of_dev_put(struct platform_device *dev);
31
32extern int of_device_add(struct platform_device *pdev);
33extern int of_device_register(struct platform_device *ofdev);
34extern void of_device_unregister(struct platform_device *ofdev);
35
36extern ssize_t of_device_get_modalias(struct device *dev,
37					char *str, ssize_t len);
38
39extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
40extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);
41
42static inline void of_device_node_put(struct device *dev)
43{
44	of_node_put(dev->of_node);
45}
46
47static 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
56void of_dma_configure(struct device *dev, struct device_node *np);
57#else /* CONFIG_OF */
58
59static inline int of_driver_match_device(struct device *dev,
60					 struct device_driver *drv)
61{
62	return 0;
63}
64
65static inline void of_device_uevent(struct device *dev,
66			struct kobj_uevent_env *env) { }
67
68static inline int of_device_get_modalias(struct device *dev,
69				   char *str, ssize_t len)
70{
71	return -ENODEV;
72}
73
74static inline int of_device_uevent_modalias(struct device *dev,
75				   struct kobj_uevent_env *env)
76{
77	return -ENODEV;
78}
79
80static inline void of_device_node_put(struct device *dev) { }
81
82static 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
90static inline struct device_node *of_cpu_device_node_get(int cpu)
91{
92	return NULL;
93}
94static 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