Index: uspace/lib/usbhost/include/usb/host/hcd.h
===================================================================
--- uspace/lib/usbhost/include/usb/host/hcd.h	(revision 4dfc905860c1e80378dde24f172dfa72c8133de8)
+++ uspace/lib/usbhost/include/usb/host/hcd.h	(revision 76a67cea651b8793fab2b3b648c22b0470f02ca3)
@@ -97,5 +97,5 @@
  * @return pointer cast to hcd_t*.
  */
-static inline hcd_t * fun_to_hcd(ddf_fun_t *fun)
+static inline hcd_t * fun_to_hcd(const ddf_fun_t *fun)
 {
 	assert(fun);