diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index a65ddd5438693e7d235a190eb44f2f9ac163e534..e4fad5e643d74d6ab01995b0e84b9b53ea47fff7 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -698,8 +698,7 @@ static void play_delayed(struct usb_serial_port *port)
 			/* we have to throw away the rest */
 			do {
 				unbusy_queued_urb(urb, portdata);
-				//extremely dirty
-				atomic_dec(&port->serial->interface->dev.power.usage_count);
+				usb_autopm_put_interface_no_suspend(port->serial->interface);
 			} while ((urb = usb_get_from_anchor(&portdata->delayed)));
 			break;
 		}