* Automatically online either all dasd devices (dasd_autodetect) or
  * all devices specified with dasd= parameters.
  */
+static int
+__dasd_auto_online(struct device *dev, void *data)
+{
+       struct ccw_device *cdev;
+
+       cdev = to_ccwdev(dev);
+       if (dasd_autodetect || dasd_busid_known(cdev->dev.bus_id) == 0)
+               ccw_device_set_online(cdev);
+       return 0;
+}
+
 void
 dasd_generic_auto_online (struct ccw_driver *dasd_discipline_driver)
 {
        struct device_driver *drv;
-       struct device *d, *dev;
-       struct ccw_device *cdev;
 
        drv = get_driver(&dasd_discipline_driver->driver);
-       down_read(&drv->bus->subsys.rwsem);
-       dev = NULL;
-       list_for_each_entry(d, &drv->devices, driver_list) {
-               dev = get_device(d);
-               if (!dev)
-                       continue;
-               cdev = to_ccwdev(dev);
-               if (dasd_autodetect || dasd_busid_known(cdev->dev.bus_id) == 0)
-                       ccw_device_set_online(cdev);
-               put_device(dev);
-       }
-       up_read(&drv->bus->subsys.rwsem);
+       driver_for_each_device(drv, NULL, NULL, __dasd_auto_online);
        put_driver(drv);
 }