of_device.h 1.8 KB

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