diff --git a/sys/arm/allwinner/a10_dmac.c b/sys/arm/allwinner/a10_dmac.c
index cf7d0c33186..c670badf834 100644
--- a/sys/arm/allwinner/a10_dmac.c
+++ b/sys/arm/allwinner/a10_dmac.c
@@ -168,6 +168,7 @@ a10dmac_attach(device_t dev)
 		return (ENXIO);
 	}
 
+	OF_device_register_xref(OF_xref_from_node(ofw_bus_get_node(dev)), dev);
 	return (0);
 }