include/asm-powerpc/of_device.h

   1 #ifndef _ASM_POWERPC_OF_DEVICE_H
   2 #define _ASM_POWERPC_OF_DEVICE_H
   3 #ifdef __KERNEL__
   4
   5 #include <linux/device.h>
   6 #include <linux/mod_devicetable.h>
   7 #include <asm/prom.h>
   8
   9
  10 /*
  11  * The of_device is a kind of "base class" that is a superset of
  12  * struct device for use by devices attached to an OF node and
  13  * probed using OF properties
  14  */
  15 struct of_device
  16 {
  17         struct device_node      *node;          /* to be obsoleted */
  18         u64                     dma_mask;       /* DMA mask */
  19         struct device           dev;            /* Generic device interface */
  20 };
  21 #define to_of_device(d) container_of(d, struct of_device, dev)
  22
  23 extern const struct of_device_id *of_match_node(
  24         const struct of_device_id *matches, const struct device_node *node);
  25 extern const struct of_device_id *of_match_device(
  26         const struct of_device_id *matches, const struct of_device *dev);
  27
  28 extern struct of_device *of_dev_get(struct of_device *dev);
  29 extern void of_dev_put(struct of_device *dev);
  30
  31 extern int of_device_register(struct of_device *ofdev);
  32 extern void of_device_unregister(struct of_device *ofdev);
  33 extern void of_release_dev(struct device *dev);
  34
  35 extern ssize_t of_device_get_modalias(struct of_device *ofdev,
  36                                         char *str, ssize_t len);
  37 extern int of_device_uevent(struct device *dev,
  38         char **envp, int num_envp, char *buffer, int buffer_size);
  39
  40 #endif /* __KERNEL__ */
  41 #endif /* _ASM_POWERPC_OF_DEVICE_H */