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 | |
7 | struct device; |
8 | struct of_device_id; |
9 | struct kobj_uevent_env; |
10 | |
11 | #ifdef CONFIG_OF |
12 | extern 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 | */ |
20 | static 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 | |
26 | extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len); |
27 | |
28 | extern void of_device_uevent(const struct device *dev, struct kobj_uevent_env *env); |
29 | extern int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *env); |
30 | |
31 | int of_dma_configure_id(struct device *dev, |
32 | struct device_node *np, |
33 | bool force_dma, const u32 *id); |
34 | static 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 | |
41 | void of_device_make_bus_id(struct device *dev); |
42 | |
43 | #else /* CONFIG_OF */ |
44 | |
45 | static inline int of_driver_match_device(struct device *dev, |
46 | const struct device_driver *drv) |
47 | { |
48 | return 0; |
49 | } |
50 | |
51 | static inline void of_device_uevent(const struct device *dev, |
52 | struct kobj_uevent_env *env) { } |
53 | |
54 | static inline int of_device_modalias(struct device *dev, |
55 | char *str, ssize_t len) |
56 | { |
57 | return -ENODEV; |
58 | } |
59 | |
60 | static inline int of_device_uevent_modalias(const struct device *dev, |
61 | struct kobj_uevent_env *env) |
62 | { |
63 | return -ENODEV; |
64 | } |
65 | |
66 | static 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 | |
72 | static 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 | } |
79 | static inline int of_dma_configure(struct device *dev, |
80 | struct device_node *np, |
81 | bool force_dma) |
82 | { |
83 | return 0; |
84 | } |
85 | |
86 | static inline void of_device_make_bus_id(struct device *dev) {} |
87 | |
88 | #endif /* CONFIG_OF */ |
89 | |
90 | #endif /* _LINUX_OF_DEVICE_H */ |
91 | |