--- zzzz-none-000/linux-4.9.276/drivers/usb/core/hcd.c	2021-07-20 14:21:16.000000000 +0000
+++ falcon-5530-750/linux-4.9.276/drivers/usb/core/hcd.c	2023-04-05 08:19:02.000000000 +0000
@@ -1636,6 +1636,9 @@
 	atomic_inc(&urb->use_count);
 	atomic_inc(&urb->dev->urbnum);
 	usbmon_urb_submit(&hcd->self, urb);
+#ifdef AVM_USB_TRACE
+	avm_usb_trace_submit(hcd, urb);
+#endif
 
 	/* NOTE requirements on root-hub callers (usbfs and the hub
 	 * driver, for now):  URBs' urb->transfer_buffer must be
@@ -1658,6 +1661,10 @@
 
 	if (unlikely(status)) {
 		usbmon_urb_submit_error(&hcd->self, urb, status);
+#ifdef AVM_USB_TRACE
+		avm_usb_trace_error(hcd, urb, status);
+#endif
+
 		urb->hcpriv = NULL;
 		INIT_LIST_HEAD(&urb->urb_list);
 		atomic_dec(&urb->use_count);
@@ -1746,6 +1753,10 @@
 
 	unmap_urb_for_dma(hcd, urb);
 	usbmon_urb_complete(&hcd->self, urb, status);
+#ifdef AVM_USB_TRACE
+	avm_usb_trace_complete(hcd, urb, status);
+#endif
+
 	usb_anchor_suspend_wakeups(anchor);
 	usb_unanchor_urb(urb);
 	if (likely(status == 0))
@@ -2891,6 +2902,10 @@
 	if (hcd->uses_new_polling && HCD_POLL_RH(hcd))
 		usb_hcd_poll_rh_status(hcd);
 
+#ifdef AVM_USB_TRACE
+	avm_usb_register_trace_device (hcd);
+#endif
+
 	return retval;
 
 error_create_attr_group:
@@ -3008,6 +3023,10 @@
 			free_irq(hcd->irq, hcd);
 	}
 
+#ifdef AVM_USB_TRACE
+	avm_usb_deregister_trace_device (hcd);
+#endif
+
 	usb_deregister_bus(&hcd->self);
 	hcd_buffer_destroy(hcd);