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 const void *of_device_get_match_data(const struct device *dev);
37
38extern ssize_t of_device_get_modalias(struct device *dev,
39 char *str, ssize_t len);
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_uevent_modalias(struct device *dev,
82 struct kobj_uevent_env *env)
83{
84 return -ENODEV;
85}
86
87static inline void of_device_node_put(struct device *dev) { }
88
89static inline const struct of_device_id *__of_match_device(
90 const struct of_device_id *matches, const struct device *dev)
91{
92 return NULL;
93}
94#define of_match_device(matches, dev) \
95 __of_match_device(of_match_ptr(matches), (dev))
96
97static inline struct device_node *of_cpu_device_node_get(int cpu)
98{
99 return NULL;
100}
101static inline void of_dma_configure(struct device *dev, struct device_node *np)
102{}
103#endif /* CONFIG_OF */
104
105#endif /* _LINUX_OF_DEVICE_H */