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mmc: add SDIO driver handling

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Add basic driver handling to the SDIO device model.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
This commit is contained in:
Pierre Ossman 2007-05-27 12:00:02 +02:00
parent e29a7d73f4
commit f76c85154d
2 changed files with 41 additions and 0 deletions
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23
drivers/mmc/core/sdio_bus.c
View file

@ -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);

18
include/linux/mmc/sdio_func.h
View file

@ -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