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
10 struct device;
11 struct of_device_id;
12 struct kobj_uevent_env;
13
14 #ifdef CONFIG_OF
15 extern 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 */
of_driver_match_device(struct device * dev,const struct device_driver * drv)23 static 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
29 extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len);
30
31 extern void of_device_uevent(const struct device *dev, struct kobj_uevent_env *env);
32 extern int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *env);
33
34 int of_dma_configure_id(struct device *dev,
35 struct device_node *np,
36 bool force_dma, const u32 *id);
of_dma_configure(struct device * dev,struct device_node * np,bool force_dma)37 static 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
of_driver_match_device(struct device * dev,const struct device_driver * drv)45 static inline int of_driver_match_device(struct device *dev,
46 const struct device_driver *drv)
47 {
48 return 0;
49 }
50
of_device_uevent(const struct device * dev,struct kobj_uevent_env * env)51 static inline void of_device_uevent(const struct device *dev,
52 struct kobj_uevent_env *env) { }
53
of_device_modalias(struct device * dev,char * str,ssize_t len)54 static inline int of_device_modalias(struct device *dev,
55 char *str, ssize_t len)
56 {
57 return -ENODEV;
58 }
59
of_device_uevent_modalias(const struct device * dev,struct kobj_uevent_env * env)60 static inline int of_device_uevent_modalias(const struct device *dev,
61 struct kobj_uevent_env *env)
62 {
63 return -ENODEV;
64 }
65
of_match_device(const struct of_device_id * matches,const struct device * dev)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
of_dma_configure_id(struct device * dev,struct device_node * np,bool force_dma,const u32 * id)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 }
of_dma_configure(struct device * dev,struct device_node * np,bool force_dma)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 #endif /* CONFIG_OF */
86
87 #endif /* _LINUX_OF_DEVICE_H */
88