Index: uspace/lib/usbhost/src/ddf_helpers.c
===================================================================
--- uspace/lib/usbhost/src/ddf_helpers.c	(revision c280d7e51f5b91994557a7515f968b6e9c07544c)
+++ uspace/lib/usbhost/src/ddf_helpers.c	(revision 45e49e65244f085359a080a0a043bc9b3a697503)
@@ -164,4 +164,5 @@
 
 	dev->hub = hub;
+	dev->tier = hub->tier + 1;
 	dev->port = port;
 	dev->speed = speed;
@@ -242,4 +243,5 @@
 	*desc = (usb_device_desc_t) {
 		.address = dev->address,
+		.depth = dev->tier,
 		.speed = dev->speed,
 		.handle = ddf_fun_get_handle(fun),