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);
16
17/**
18 * of_driver_match_device - Tell if a driver's of_match_table matches a device.
19 * @drv: the device_driver structure to test
20 * @dev: the device structure to match against
21 */
22static inline int of_driver_match_device(struct device *dev,
23 const struct device_driver *drv)
24{
25 return of_match_device(drv->of_match_table, dev) != NULL;
26}
27
28extern struct platform_device *of_dev_get(struct platform_device *dev);
29extern void of_dev_put(struct platform_device *dev);
30
31extern int of_device_add(struct platform_device *pdev);
32extern int of_device_register(struct platform_device *ofdev);
33extern void of_device_unregister(struct platform_device *ofdev);
34
35extern const void *of_device_get_match_data(const struct device *dev);
36
37extern ssize_t of_device_get_modalias(struct device *dev,
38 char *str, ssize_t len);
39extern int of_device_request_module(struct device *dev);
40
41extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
42extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);
43
44static inline void of_device_node_put(struct device *dev)
45{
46 of_node_put(dev->of_node);
47}
48
49static 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
58void of_dma_configure(struct device *dev, struct device_node *np);
59#else /* CONFIG_OF */
60
61static inline int of_driver_match_device(struct device *dev,
62 const struct device_driver *drv)
63{
64 return 0;
65}
66
67static inline void of_device_uevent(struct device *dev,
68 struct kobj_uevent_env *env) { }
69
70static inline const void *of_device_get_match_data(const struct device *dev)
71{
72 return NULL;
73}
74
75static inline int of_device_get_modalias(struct device *dev,
76 char *str, ssize_t len)
77{
78 return -ENODEV;
79}
80
81static inline int of_device_request_module(struct device *dev)
82{
83 return -ENODEV;
84}
85
86static inline int of_device_uevent_modalias(struct device *dev,
87 struct kobj_uevent_env *env)
88{
89 return -ENODEV;
90}
91
92static inline void of_device_node_put(struct device *dev) { }
93
94static inline const struct of_device_id *__of_match_device(
95 const struct of_device_id *matches, const struct device *dev)
96{
97 return NULL;
98}
99#define of_match_device(matches, dev) \
100 __of_match_device(of_match_ptr(matches), (dev))
101
102static inline struct device_node *of_cpu_device_node_get(int cpu)
103{
104 return NULL;
105}
106static inline void of_dma_configure(struct device *dev, struct device_node *np)
107{}
108#endif /* CONFIG_OF */
109
110#endif /* _LINUX_OF_DEVICE_H */