diff --git a/[refs] b/[refs]
index fd74809f8895..fb7a3a882dbb 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f6c826a90055dd05905982f7a3f60e0bcaa0434e
+refs/heads/master: d0390d92bf548a903a48e1a2b3a12eff8a9d838b
diff --git a/trunk/drivers/usb/musb/musb_gadget_ep0.c b/trunk/drivers/usb/musb/musb_gadget_ep0.c
index 21b9788d0243..59bef8f3a358 100644
--- a/trunk/drivers/usb/musb/musb_gadget_ep0.c
+++ b/trunk/drivers/usb/musb/musb_gadget_ep0.c
@@ -402,6 +402,9 @@ __acquires(musb->lock)
 					musb->g.a_alt_hnp_support = 1;
 					break;
 #endif
+				case USB_DEVICE_DEBUG_MODE:
+					handled = 0;
+					break;
 stall:
 				default:
 					handled = -EINVAL;