Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
56#else /* CONFIG_OF */
57
58static inline int of_driver_match_device(struct device *dev,
59 struct device_driver *drv)
60{
61 return 0;
62}
63
64static inline void of_device_uevent(struct device *dev,
65 struct kobj_uevent_env *env) { }
66
67static inline int of_device_get_modalias(struct device *dev,
68 char *str, ssize_t len)
69{
70 return -ENODEV;
71}
72
73static inline int of_device_uevent_modalias(struct device *dev,
74 struct kobj_uevent_env *env)
75{
76 return -ENODEV;
77}
78
79static inline void of_device_node_put(struct device *dev) { }
80
81static inline const struct of_device_id *__of_match_device(
82 const struct of_device_id *matches, const struct device *dev)
83{
84 return NULL;
85}
86#define of_match_device(matches, dev) \
87 __of_match_device(of_match_ptr(matches), (dev))
88
89static inline struct device_node *of_cpu_device_node_get(int cpu)
90{
91 return NULL;
92}
93#endif /* CONFIG_OF */
94
95#endif /* _LINUX_OF_DEVICE_H */