LXR linux/include/linux/of

   1#ifndef _LINUX_OF_DEVICE_H
   2#define _LINUX_OF_DEVICE_H
   3
   4#include <linux/platform_device.h>
   5#include <linux/of_platform.h> /* temporary until merge */
   6
   7#ifdef CONFIG_OF_DEVICE
   8#include <linux/device.h>
   9#include <linux/of.h>
  10#include <linux/mod_devicetable.h>
  11
  12extern const struct of_device_id *of_match_device(
  13        const struct of_device_id *matches, const struct device *dev);
  14extern void of_device_make_bus_id(struct device *dev);
  15
  16/**
  17 * of_driver_match_device - Tell if a driver's of_match_table matches a device.
  18 * @drv: the device_driver structure to test
  19 * @dev: the device structure to match against
  20 */
  21static inline int of_driver_match_device(struct device *dev,
  22                                         const struct device_driver *drv)
  23{
  24        return of_match_device(drv->of_match_table, dev) != NULL;
  25}
  26
  27extern struct platform_device *of_dev_get(struct platform_device *dev);
  28extern void of_dev_put(struct platform_device *dev);
  29
  30extern int of_device_add(struct platform_device *pdev);
  31extern int of_device_register(struct platform_device *ofdev);
  32extern void of_device_unregister(struct platform_device *ofdev);
  33
  34extern ssize_t of_device_get_modalias(struct device *dev,
  35                                        char *str, ssize_t len);
  36
  37extern int of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
  38
  39static inline void of_device_node_put(struct device *dev)
  40{
  41        of_node_put(dev->of_node);
  42}
  43
  44#else /* CONFIG_OF_DEVICE */
  45
  46static inline int of_driver_match_device(struct device *dev,
  47                                         struct device_driver *drv)
  48{
  49        return 0;
  50}
  51
  52static inline int of_device_uevent(struct device *dev,
  53                                   struct kobj_uevent_env *env)
  54{
  55        return -ENODEV;
  56}
  57
  58static inline void of_device_node_put(struct device *dev) { }
  59
  60static inline const struct of_device_id *of_match_device(
  61                const struct of_device_id *matches, const struct device *dev)
  62{
  63        return NULL;
  64}
  65#endif /* CONFIG_OF_DEVICE */
  66
  67#endif /* _LINUX_OF_DEVICE_H */
  68