Linux kernel mirror (for testing)
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _LINUX_OF_DEVICE_H
3#define _LINUX_OF_DEVICE_H
4
5#include <linux/platform_device.h>
6#include <linux/of_platform.h> /* temporary until merge */
7
8#include <linux/of.h>
9
10struct device;
11struct of_device_id;
12struct kobj_uevent_env;
13
14#ifdef CONFIG_OF
15extern const struct of_device_id *of_match_device(
16 const struct of_device_id *matches, const 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 ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len);
30
31extern void of_device_uevent(const struct device *dev, struct kobj_uevent_env *env);
32extern int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *env);
33
34int of_dma_configure_id(struct device *dev,
35 struct device_node *np,
36 bool force_dma, const u32 *id);
37static inline int of_dma_configure(struct device *dev,
38 struct device_node *np,
39 bool force_dma)
40{
41 return of_dma_configure_id(dev, np, force_dma, NULL);
42}
43#else /* CONFIG_OF */
44
45static inline int of_driver_match_device(struct device *dev,
46 const struct device_driver *drv)
47{
48 return 0;
49}
50
51static inline void of_device_uevent(const struct device *dev,
52 struct kobj_uevent_env *env) { }
53
54static inline int of_device_modalias(struct device *dev,
55 char *str, ssize_t len)
56{
57 return -ENODEV;
58}
59
60static inline int of_device_uevent_modalias(const struct device *dev,
61 struct kobj_uevent_env *env)
62{
63 return -ENODEV;
64}
65
66static inline const struct of_device_id *of_match_device(
67 const struct of_device_id *matches, const struct device *dev)
68{
69 return NULL;
70}
71
72static inline int of_dma_configure_id(struct device *dev,
73 struct device_node *np,
74 bool force_dma,
75 const u32 *id)
76{
77 return 0;
78}
79static inline int of_dma_configure(struct device *dev,
80 struct device_node *np,
81 bool force_dma)
82{
83 return 0;
84}
85#endif /* CONFIG_OF */
86
87#endif /* _LINUX_OF_DEVICE_H */