[POWERPC] Make ibmebus use of_(un)register_driver

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/kernel/ibmebus.c

@@ -198,16 +198,13 @@ int ibmebus_register_driver(struct of_platform_driver *drv)
 	/* If the driver uses devices that ibmebus doesn't know, add them */
 	ibmebus_create_devices(drv->match_table);
 
-	drv->driver.name   = drv->name;
-	drv->driver.bus    = &ibmebus_bus_type;
-
-	return driver_register(&drv->driver);
+	return of_register_driver(drv, &ibmebus_bus_type);
 }
 EXPORT_SYMBOL(ibmebus_register_driver);
 
 void ibmebus_unregister_driver(struct of_platform_driver *drv)
 {
-	driver_unregister(&drv->driver);
+	of_unregister_driver(drv);
 }
 EXPORT_SYMBOL(ibmebus_unregister_driver);