usb: gadget: aspeed: Improve debugging when nuking

When nuking requests, it's useful to display how many were
actually nuked. It has proven handy when debugging issues
where EP0 went in a wrong state.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

drivers/usb/gadget/udc/aspeed-vhub/core.c

@@ -65,14 +65,16 @@ void ast_vhub_done(struct ast_vhub_ep *ep, struct ast_vhub_req *req,
 void ast_vhub_nuke(struct ast_vhub_ep *ep, int status)
 {
 	struct ast_vhub_req *req;
-
-	EPDBG(ep, "Nuking\n");
+	int count = 0;
 
 	/* Beware, lock will be dropped & req-acquired by done() */
 	while (!list_empty(&ep->queue)) {
 		req = list_first_entry(&ep->queue, struct ast_vhub_req, queue);
 		ast_vhub_done(ep, req, status);
+		count++;
 	}
+	if (count)
+		EPDBG(ep, "Nuked %d request(s)\n", count);
 }
 
 struct usb_request *ast_vhub_alloc_request(struct usb_ep *u_ep,