of_device.h 2.0 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/of.h>
  7. #include <linux/mod_devicetable.h>
  8. struct device;
  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. return of_match_device(drv->of_match_table, dev) != NULL;
  21. }
  22. extern struct platform_device *of_dev_get(struct platform_device *dev);
  23. extern void of_dev_put(struct platform_device *dev);
  24. extern int of_device_add(struct platform_device *pdev);
  25. extern int of_device_register(struct platform_device *ofdev);
  26. extern void of_device_unregister(struct platform_device *ofdev);
  27. extern ssize_t of_device_get_modalias(struct device *dev,
  28. char *str, ssize_t len);
  29. extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
  30. extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);
  31. static inline void of_device_node_put(struct device *dev)
  32. {
  33. of_node_put(dev->of_node);
  34. }
  35. #else /* CONFIG_OF_DEVICE */
  36. static inline int of_driver_match_device(struct device *dev,
  37. struct device_driver *drv)
  38. {
  39. return 0;
  40. }
  41. static inline void of_device_uevent(struct device *dev,
  42. struct kobj_uevent_env *env) { }
  43. static inline int of_device_uevent_modalias(struct device *dev,
  44. struct kobj_uevent_env *env)
  45. {
  46. return -ENODEV;
  47. }
  48. static inline void of_device_node_put(struct device *dev) { }
  49. static inline const struct of_device_id *of_match_device(
  50. const struct of_device_id *matches, const struct device *dev)
  51. {
  52. return NULL;
  53. }
  54. #endif /* CONFIG_OF_DEVICE */
  55. #endif /* _LINUX_OF_DEVICE_H */