Index: uspace/drv/uhci/root_hub/debug.h
===================================================================
--- uspace/drv/uhci/root_hub/debug.h	(revision 816175a218178c5741afdf598c4791458f88dae6)
+++ uspace/drv/uhci/root_hub/debug.h	(revision 816175a218178c5741afdf598c4791458f88dae6)
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2010 Jan Vesely
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+/** @addtogroup usb
+ * @{
+ */
+/** @file
+ * @brief UHCI driver
+ */
+#ifndef DRV_UHCI_ROOT_HUB_DEBUG_H
+#define DRV_UHCI_ROOT_HUB_DEBUG_H
+
+#include <stdio.h>
+#include <usb/debug.h>
+
+#define NAME "uhci_root_hub"
+enum debug_levels {
+	DEBUG_LEVEL_FATAL_ERROR = 1,
+	DEBUG_LEVEL_ERROR = 2,
+	DEBUG_LEVEL_WARNING = 3,
+	DEBUG_LEVEL_INFO = 4,
+	DEBUG_LEVEL_VERBOSE = 5,
+	DEBUG_LEVEL_MAX = DEBUG_LEVEL_VERBOSE
+};
+
+#define uhci_printf( level, fmt, args...) \
+	usb_dprintf(NAME, level, fmt, ##args)
+
+#define uhci_print_fatal( fmt, args... ) \
+	fprintf(stderr, "[" NAME ":FATAL ERROR]: " fmt, ##args)
+
+#define uhci_print_error( fmt, args... ) \
+	fprintf(stderr, "[" NAME ":ERROR]: " fmt, ##args)
+
+#define uhci_print_warning( fmt, args... ) \
+	usb_dprintf( NAME, DEBUG_LEVEL_WARNING, fmt, ##args )
+
+#define uhci_print_info( fmt, args... ) \
+	usb_dprintf( NAME, DEBUG_LEVEL_INFO, fmt, ##args )
+
+#define uhci_print_verbose( fmt, args... ) \
+	usb_dprintf( NAME, DEBUG_LEVEL_VERBOSE, fmt, ##args )
+
+#endif
+/**
+ * @}
+ */
Index: uspace/drv/uhci/root_hub/port.c
===================================================================
--- uspace/drv/uhci/root_hub/port.c	(revision 62d982737884094b99362c3a66e893f92245b86f)
+++ uspace/drv/uhci/root_hub/port.c	(revision 816175a218178c5741afdf598c4791458f88dae6)
@@ -20,5 +20,5 @@
 
 	while (1) {
-		uhci_print_info("Port(%d) status address %p:\n",
+		uhci_print_verbose("Port(%d) status address %p:\n",
 		  port_instance->number, port_instance->address);
 
@@ -28,5 +28,5 @@
 
 		/* debug print */
-		uhci_print_info("Port(%d) status %#.4x:\n",
+		uhci_print_info("Port(%d) status %#.4x\n",
 		  port_instance->number, port_status);
 		print_port_status(port_status);
Index: uspace/drv/uhci/root_hub/root_hub.c
===================================================================
--- uspace/drv/uhci/root_hub/root_hub.c	(revision 62d982737884094b99362c3a66e893f92245b86f)
+++ uspace/drv/uhci/root_hub/root_hub.c	(revision 816175a218178c5741afdf598c4791458f88dae6)
@@ -13,4 +13,5 @@
 {
 	assert(hub);
+	usb_dprintf_enable(NAME, DEBUG_LEVEL_INFO);
 
 	/* allow access to root hub registers */