Index: uspace/lib/usbhost/src/ddf_helpers.c
===================================================================
--- uspace/lib/usbhost/src/ddf_helpers.c	(revision 4cf5b8e06201781fee876006f79b2918728442cf)
+++ uspace/lib/usbhost/src/ddf_helpers.c	(revision ce33c10fc90eab5218927e691819a3b9c30413a8)
@@ -581,5 +581,9 @@
  *
  * @param[in] device DDF instance of the device to use.
- *
+ * @param[in] max_speed Maximum supported USB speed.
+ * @param[in] bw available bandwidth.
+ * @param[in] bw_count Function to compute required ep bandwidth.
+ *
+ * @return Error code.
  * This function does all the ddf work for hc driver.
  */