1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _LINUX_OF_DEVICE_H
3#define _LINUX_OF_DEVICE_H
4
5#include <linux/device/driver.h>
6
7struct device;
8struct of_device_id;
9struct kobj_uevent_env;
10
11#ifdef CONFIG_OF
12extern const struct of_device_id *of_match_device(
13 const struct of_device_id *matches, const struct device *dev);
14
15/**
16 * of_driver_match_device - Tell if a driver's of_match_table matches a device.
17 * @drv: the device_driver structure to test
18 * @dev: the device structure to match against
19 */
20static inline int of_driver_match_device(struct device *dev,
21 const struct device_driver *drv)
22{
23 return of_match_device(matches: drv->of_match_table, dev) != NULL;
24}
25
26extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len);
27
28extern void of_device_uevent(const struct device *dev, struct kobj_uevent_env *env);
29extern int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *env);
30
31int of_dma_configure_id(struct device *dev,
32 struct device_node *np,
33 bool force_dma, const u32 *id);
34static inline int of_dma_configure(struct device *dev,
35 struct device_node *np,
36 bool force_dma)
37{
38 return of_dma_configure_id(dev, np, force_dma, NULL);
39}
40
41void of_device_make_bus_id(struct device *dev);
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
86static inline void of_device_make_bus_id(struct device *dev) {}
87
88#endif /* CONFIG_OF */
89
90#endif /* _LINUX_OF_DEVICE_H */
91

source code of linux/include/linux/of_device.h