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-rw-r--r--include/linux/of_device.h61
1 files changed, 53 insertions, 8 deletions
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index 11651facc5f..35aa44ad9f2 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -1,32 +1,77 @@
1#ifndef _LINUX_OF_DEVICE_H 1#ifndef _LINUX_OF_DEVICE_H
2#define _LINUX_OF_DEVICE_H 2#define _LINUX_OF_DEVICE_H
3 3
4/*
5 * The of_device *was* a kind of "base class" that was a superset of
6 * struct device for use by devices attached to an OF node and probed
7 * using OF properties. However, the important bit of OF-style
8 * probing, namely the device node pointer, has been moved into the
9 * common struct device when CONFIG_OF is set to make OF-style probing
10 * available to all bus types. So now, just make of_device and
11 * platform_device equivalent so that current of_platform bus users
12 * can be transparently migrated over to using the platform bus.
13 *
14 * This line will go away once all references to of_device are removed
15 * from the kernel.
16 */
17#define of_device platform_device
18#include <linux/platform_device.h>
19#include <linux/of_platform.h> /* temporary until merge */
20
4#ifdef CONFIG_OF_DEVICE 21#ifdef CONFIG_OF_DEVICE
5#include <linux/device.h> 22#include <linux/device.h>
6#include <linux/of.h> 23#include <linux/of.h>
7#include <linux/mod_devicetable.h> 24#include <linux/mod_devicetable.h>
8 25
9#include <asm/of_device.h>
10
11#define to_of_device(d) container_of(d, struct of_device, dev) 26#define to_of_device(d) container_of(d, struct of_device, dev)
12 27
13extern const struct of_device_id *of_match_device( 28extern const struct of_device_id *of_match_device(
14 const struct of_device_id *matches, const struct device *dev); 29 const struct of_device_id *matches, const struct device *dev);
30extern void of_device_make_bus_id(struct device *dev);
31
32/**
33 * of_driver_match_device - Tell if a driver's of_match_table matches a device.
34 * @drv: the device_driver structure to test
35 * @dev: the device structure to match against
36 */
37static inline int of_driver_match_device(const struct device *dev,
38 const struct device_driver *drv)
39{
40 return of_match_device(drv->of_match_table, dev) != NULL;
41}
15 42
16extern struct of_device *of_dev_get(struct of_device *dev); 43extern struct platform_device *of_dev_get(struct platform_device *dev);
17extern void of_dev_put(struct of_device *dev); 44extern void of_dev_put(struct platform_device *dev);
18 45
19extern int of_device_register(struct of_device *ofdev); 46extern int of_device_register(struct platform_device *ofdev);
20extern void of_device_unregister(struct of_device *ofdev); 47extern void of_device_unregister(struct platform_device *ofdev);
21extern void of_release_dev(struct device *dev); 48extern void of_release_dev(struct device *dev);
22 49
23static inline void of_device_free(struct of_device *dev) 50static inline void of_device_free(struct platform_device *dev)
24{ 51{
25 of_release_dev(&dev->dev); 52 of_release_dev(&dev->dev);
26} 53}
27 54
28extern ssize_t of_device_get_modalias(struct of_device *ofdev, 55extern ssize_t of_device_get_modalias(struct device *dev,
29 char *str, ssize_t len); 56 char *str, ssize_t len);
57
58extern int of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
59
60
61#else /* CONFIG_OF_DEVICE */
62
63static inline int of_driver_match_device(struct device *dev,
64 struct device_driver *drv)
65{
66 return 0;
67}
68
69static inline int of_device_uevent(struct device *dev,
70 struct kobj_uevent_env *env)
71{
72 return -ENODEV;
73}
74
30#endif /* CONFIG_OF_DEVICE */ 75#endif /* CONFIG_OF_DEVICE */
31 76
32#endif /* _LINUX_OF_DEVICE_H */ 77#endif /* _LINUX_OF_DEVICE_H */