Merge tag 'trace-printf-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace...
[drm/drm-misc.git] / include / linux / of_device.h
blob9042bca5bb848c5fd4239565aaac679fc951e754
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_OF_DEVICE_H
3 #define _LINUX_OF_DEVICE_H
5 #include <linux/device/driver.h>
7 struct device;
8 struct of_device_id;
9 struct kobj_uevent_env;
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);
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
20 static inline int of_driver_match_device(struct device *dev,
21 const struct device_driver *drv)
23 return of_match_device(drv->of_match_table, dev) != NULL;
26 extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len);
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);
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)
38 return of_dma_configure_id(dev, np, force_dma, NULL);
41 void of_device_make_bus_id(struct device *dev);
43 #else /* CONFIG_OF */
45 static inline int of_driver_match_device(struct device *dev,
46 const struct device_driver *drv)
48 return 0;
51 static inline void of_device_uevent(const struct device *dev,
52 struct kobj_uevent_env *env) { }
54 static inline int of_device_modalias(struct device *dev,
55 char *str, ssize_t len)
57 return -ENODEV;
60 static inline int of_device_uevent_modalias(const struct device *dev,
61 struct kobj_uevent_env *env)
63 return -ENODEV;
66 static inline const struct of_device_id *of_match_device(
67 const struct of_device_id *matches, const struct device *dev)
69 return NULL;
72 static inline int of_dma_configure_id(struct device *dev,
73 struct device_node *np,
74 bool force_dma,
75 const u32 *id)
77 return 0;
79 static inline int of_dma_configure(struct device *dev,
80 struct device_node *np,
81 bool force_dma)
83 return 0;
86 static inline void of_device_make_bus_id(struct device *dev) {}
88 #endif /* CONFIG_OF */
90 #endif /* _LINUX_OF_DEVICE_H */