+static int scsi_bus_prepare(struct device *dev)
+{
+ if (scsi_is_sdev_device(dev)) {
+ /* sd probing uses async_schedule. Wait until it finishes. */
+ async_synchronize_full();
+
+ } else if (scsi_is_host_device(dev)) {
+ /* Wait until async scanning is finished */
+ scsi_complete_async_scans();
+ }
+ return 0;
+}
+