of_device.h 1.7 KB
Newer Older
1 2 3
#ifndef _LINUX_OF_DEVICE_H
#define _LINUX_OF_DEVICE_H

4
#include <linux/platform_device.h>
G
Grant Likely 已提交
5
#include <linux/of_platform.h> /* temporary until merge */
G
Grant Likely 已提交
6

7 8 9 10
#ifdef CONFIG_OF_DEVICE
#include <linux/device.h>
#include <linux/of.h>
#include <linux/mod_devicetable.h>
11 12

extern const struct of_device_id *of_match_device(
13
	const struct of_device_id *matches, const struct device *dev);
14
extern void of_device_make_bus_id(struct device *dev);
15

16 17 18 19 20
/**
 * of_driver_match_device - Tell if a driver's of_match_table matches a device.
 * @drv: the device_driver structure to test
 * @dev: the device structure to match against
 */
21
static inline int of_driver_match_device(struct device *dev,
22 23
					 const struct device_driver *drv)
{
24 25
	dev->of_match = of_match_device(drv->of_match_table, dev);
	return dev->of_match != NULL;
26 27
}

28 29
extern struct platform_device *of_dev_get(struct platform_device *dev);
extern void of_dev_put(struct platform_device *dev);
30

31
extern int of_device_add(struct platform_device *pdev);
32 33
extern int of_device_register(struct platform_device *ofdev);
extern void of_device_unregister(struct platform_device *ofdev);
34

35
extern ssize_t of_device_get_modalias(struct device *dev,
36
					char *str, ssize_t len);
G
Grant Likely 已提交
37 38 39

extern int of_device_uevent(struct device *dev, struct kobj_uevent_env *env);

40 41 42 43
static inline void of_device_node_put(struct device *dev)
{
	of_node_put(dev->of_node);
}
G
Grant Likely 已提交
44

45 46 47 48 49 50 51 52
#else /* CONFIG_OF_DEVICE */

static inline int of_driver_match_device(struct device *dev,
					 struct device_driver *drv)
{
	return 0;
}

53 54 55 56 57 58
static inline int of_device_uevent(struct device *dev,
				   struct kobj_uevent_env *env)
{
	return -ENODEV;
}

59 60
static inline void of_device_node_put(struct device *dev) { }

61
#endif /* CONFIG_OF_DEVICE */
62

63
#endif /* _LINUX_OF_DEVICE_H */