Index: uspace/lib/usbdev/include/usb/dev/device.h
===================================================================
--- uspace/lib/usbdev/include/usb/dev/device.h	(revision 1dafe18b42ddb520b63d78865ffb24c38c5115ea)
+++ uspace/lib/usbdev/include/usb/dev/device.h	(revision b32cff2afa3a418103418896206d2acf445d8d7c)
@@ -91,5 +91,5 @@
 
 usb_address_t usb_device_get_address(const usb_device_t *);
-usb_speed_t usb_device_get_depth(const usb_device_t *);
+unsigned usb_device_get_depth(const usb_device_t *);
 usb_speed_t usb_device_get_speed(const usb_device_t *);
 int usb_device_get_iface_number(const usb_device_t *);