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Commit f76c8515 authored by Pierre Ossman's avatar Pierre Ossman
Browse files

mmc: add SDIO driver handling 



Add basic driver handling to the SDIO device model.

Signed-off-by: default avatarPierre Ossman <drzeus@drzeus.cx>
parent e29a7d73

drivers/mmc/core/sdio_bus.c

+23 −0
Original line number Diff line number Diff line
@@ -67,6 +67,29 @@ void sdio_unregister_bus(void) 
	bus_unregister(&sdio_bus_type);

}



/**

 *	sdio_register_driver - register a function driver

 *	@drv: SDIO function driver

 */

int sdio_register_driver(struct sdio_driver *drv)

{

	drv->drv.name = drv->name;

	drv->drv.bus = &sdio_bus_type;

	return driver_register(&drv->drv);

}

EXPORT_SYMBOL_GPL(sdio_register_driver);



/**

 *	sdio_unregister_driver - unregister a function driver

 *	@drv: SDIO function driver

 */

void sdio_unregister_driver(struct sdio_driver *drv)

{

	drv->drv.bus = &sdio_bus_type;

	driver_unregister(&drv->drv);

}

EXPORT_SYMBOL_GPL(sdio_unregister_driver);



static void sdio_release_func(struct device *dev)

{

	struct sdio_func *func = dev_to_sdio_func(dev);

include/linux/mmc/sdio_func.h

+18 −0
Original line number Diff line number Diff line
@@ -31,5 +31,23 @@ struct sdio_func { 


#define sdio_func_id(f)		((f)->dev.bus_id)



#define sdio_get_drvdata(f)	dev_get_drvdata(&(f)->dev)

#define sdio_set_drvdata(f,d)	dev_set_drvdata(&(f)->dev, d)



/*

 * SDIO function device driver

 */

struct sdio_driver {

	char *name;



	int (*probe)(struct sdio_func *);

	void (*remove)(struct sdio_func *);



	struct device_driver drv;

};



extern int sdio_register_driver(struct sdio_driver *);

extern void sdio_unregister_driver(struct sdio_driver *);



#endif