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 <[email protected]> Signed-off-by: Felipe Balbi <[email protected]>
adn770 · Aug 12, 2019 · cca1754 · cca1754
1 parent 8016759
commit cca1754
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/drivers/usb/gadget/udc/aspeed-vhub/core.c b/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,