diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index baba11b..7064892 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -2379,6 +2379,7 @@
 
 	/* init command timeout work */
 	INIT_DELAYED_WORK(&xhci->cmd_timer, xhci_handle_command_timeout);
+	init_completion(&xhci->cmd_ring_stop_completion);
 
 	page_size = readl(&xhci->op_regs->page_size);
 	xhci_dbg_trace(xhci, trace_xhci_dbg_init,