if (udev->descriptor.bDeviceClass != USB_CLASS_HUB)
udev->autosuspend_disabled = 1;
#endif
+
+ /* For the present, all devices default to USB-PERSIST enabled */
+#if 0 /* was: #ifdef CONFIG_PM */
+ /* Hubs are automatically enabled for USB-PERSIST */
+ if (udev->descriptor.bDeviceClass == USB_CLASS_HUB)
+ udev->persist_enabled = 1;
+
+#else
+ /* In the absence of PM, we can safely enable USB-PERSIST
+ * for all devices. It will affect things like hub resets
+ * and EMF-related port disables.
+ */
+ udev->persist_enabled = 1;
+#endif /* CONFIG_PM */
}