mmc: add SDIO driver handling
Add basic driver handling to the SDIO device model. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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2 changed files with 41 additions and 0 deletions
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@ -67,6 +67,29 @@ void sdio_unregister_bus(void)
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bus_unregister(&sdio_bus_type);
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}
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/**
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* sdio_register_driver - register a function driver
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* @drv: SDIO function driver
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*/
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int sdio_register_driver(struct sdio_driver *drv)
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{
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drv->drv.name = drv->name;
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drv->drv.bus = &sdio_bus_type;
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return driver_register(&drv->drv);
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}
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EXPORT_SYMBOL_GPL(sdio_register_driver);
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/**
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* sdio_unregister_driver - unregister a function driver
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* @drv: SDIO function driver
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*/
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void sdio_unregister_driver(struct sdio_driver *drv)
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{
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drv->drv.bus = &sdio_bus_type;
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driver_unregister(&drv->drv);
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}
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EXPORT_SYMBOL_GPL(sdio_unregister_driver);
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static void sdio_release_func(struct device *dev)
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{
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struct sdio_func *func = dev_to_sdio_func(dev);
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@ -31,5 +31,23 @@ struct sdio_func {
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#define sdio_func_id(f) ((f)->dev.bus_id)
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#define sdio_get_drvdata(f) dev_get_drvdata(&(f)->dev)
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#define sdio_set_drvdata(f,d) dev_set_drvdata(&(f)->dev, d)
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/*
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* SDIO function device driver
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*/
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struct sdio_driver {
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char *name;
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int (*probe)(struct sdio_func *);
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void (*remove)(struct sdio_func *);
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struct device_driver drv;
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};
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extern int sdio_register_driver(struct sdio_driver *);
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extern void sdio_unregister_driver(struct sdio_driver *);
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#endif
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