summaryrefslogblamecommitdiff
path: root/include/asm-powerpc/of_device.h
blob: a889b2005bf558f66d702e4ba74f27ee1eede700 (plain) (tree)
1
2
3
4
5
6
7
8

                                
                 

                         
                                  

                     







                                                                
                                                                     




                                                                              

                                                                            

                                                                         



                                                           

                                                          

                                               
                       
                                     
#ifndef _ASM_POWERPC_OF_DEVICE_H
#define _ASM_POWERPC_OF_DEVICE_H
#ifdef __KERNEL__

#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <asm/prom.h>


/*
 * The of_device is a kind of "base class" that is a superset of
 * struct device for use by devices attached to an OF node and
 * probed using OF properties
 */
struct of_device
{
	struct device_node	*node;		/* to be obsoleted */
	u64			dma_mask;	/* DMA mask */
	struct device		dev;		/* Generic device interface */
};
#define	to_of_device(d) container_of(d, struct of_device, dev)

extern const struct of_device_id *of_match_node(
	const struct of_device_id *matches, const struct device_node *node);
extern const struct of_device_id *of_match_device(
	const struct of_device_id *matches, const struct of_device *dev);

extern struct of_device *of_dev_get(struct of_device *dev);
extern void of_dev_put(struct of_device *dev);

extern int of_device_register(struct of_device *ofdev);
extern void of_device_unregister(struct of_device *ofdev);
extern void of_release_dev(struct device *dev);

#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_OF_DEVICE_H */