linux-stable/include/linux/of_device.h
Grant Likely b826291c14 drivercore/dt: add a match table pointer to struct device
Add a new .of_match field to struct device which points at the
matching device driver .of_match_table entry when a device is probed
via the device tree

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-02-28 01:36:38 -07:00

63 lines
1.7 KiB
C

#ifndef _LINUX_OF_DEVICE_H
#define _LINUX_OF_DEVICE_H
#include <linux/platform_device.h>
#include <linux/of_platform.h> /* temporary until merge */
#ifdef CONFIG_OF_DEVICE
#include <linux/device.h>
#include <linux/of.h>
#include <linux/mod_devicetable.h>
extern const struct of_device_id *of_match_device(
const struct of_device_id *matches, const struct device *dev);
extern void of_device_make_bus_id(struct device *dev);
/**
* 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
*/
static inline int of_driver_match_device(struct device *dev,
const struct device_driver *drv)
{
dev->of_match = of_match_device(drv->of_match_table, dev);
return dev->of_match != NULL;
}
extern struct platform_device *of_dev_get(struct platform_device *dev);
extern void of_dev_put(struct platform_device *dev);
extern int of_device_add(struct platform_device *pdev);
extern int of_device_register(struct platform_device *ofdev);
extern void of_device_unregister(struct platform_device *ofdev);
extern ssize_t of_device_get_modalias(struct device *dev,
char *str, ssize_t len);
extern int of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
static inline void of_device_node_put(struct device *dev)
{
of_node_put(dev->of_node);
}
#else /* CONFIG_OF_DEVICE */
static inline int of_driver_match_device(struct device *dev,
struct device_driver *drv)
{
return 0;
}
static inline int of_device_uevent(struct device *dev,
struct kobj_uevent_env *env)
{
return -ENODEV;
}
static inline void of_device_node_put(struct device *dev) { }
#endif /* CONFIG_OF_DEVICE */
#endif /* _LINUX_OF_DEVICE_H */