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Commit 356d8009 authored by Christopher Bostic's avatar Christopher Bostic Committed by Greg Kroah-Hartman
Browse files

drivers/fsi: Add client driver register utilities 



Add driver_register and driver_unregister wrappers for FSI.

Signed-off-by: default avatarChristopher Bostic <cbostic@linux.vnet.ibm.com>
Signed-off-by: default avatarJoel Stanley <joel@jms.id.au>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 777dcf73

drivers/fsi/fsi-core.c

+17 −0
Original line number Diff line number Diff line
@@ -586,6 +586,23 @@ static int fsi_bus_match(struct device *dev, struct device_driver *drv) 
	return 0;

}



int fsi_driver_register(struct fsi_driver *fsi_drv)

{

	if (!fsi_drv)

		return -EINVAL;

	if (!fsi_drv->id_table)

		return -EINVAL;



	return driver_register(&fsi_drv->drv);

}

EXPORT_SYMBOL_GPL(fsi_driver_register);



void fsi_driver_unregister(struct fsi_driver *fsi_drv)

{

	driver_unregister(&fsi_drv->drv);

}

EXPORT_SYMBOL_GPL(fsi_driver_unregister);



struct bus_type fsi_bus_type = {

	.name		= "fsi",

	.match		= fsi_bus_match,

include/linux/fsi.h

+12 −0
Original line number Diff line number Diff line
@@ -54,6 +54,18 @@ struct fsi_driver { 
#define to_fsi_dev(devp) container_of(devp, struct fsi_device, dev)

#define to_fsi_drv(drvp) container_of(drvp, struct fsi_driver, drv)



extern int fsi_driver_register(struct fsi_driver *fsi_drv);

extern void fsi_driver_unregister(struct fsi_driver *fsi_drv);



/* module_fsi_driver() - Helper macro for drivers that don't do

 * anything special in module init/exit.  This eliminates a lot of

 * boilerplate.  Each module may only use this macro once, and

 * calling it replaces module_init() and module_exit()

 */

#define module_fsi_driver(__fsi_driver) \

		module_driver(__fsi_driver, fsi_driver_register, \

				fsi_driver_unregister)



extern struct bus_type fsi_bus_type;



#endif /* LINUX_FSI_H */