diff --git a/drivers/usb/gadget/acm_ms.c b/drivers/usb/gadget/acm_ms.c
index 75b8a69..dc5cd51 100644
--- a/drivers/usb/gadget/acm_ms.c
+++ b/drivers/usb/gadget/acm_ms.c
@@ -232,7 +232,7 @@
 	return 0;
 }
 
-static struct usb_composite_driver acm_ms_driver = {
+static __refdata struct usb_composite_driver acm_ms_driver = {
 	.name		= "g_acm_ms",
 	.dev		= &device_desc,
 	.max_speed	= USB_SPEED_SUPER,