Index: uspace/lib/usb/include/usb/ddfiface.h
===================================================================
--- uspace/lib/usb/include/usb/ddfiface.h	(revision 99d05e10ee3538e2c0859de726a2eaa49d6e5bec)
+++ uspace/lib/usb/include/usb/ddfiface.h	(revision 2405bb5f5417ffd83d27e05ec6b988b032dda577)
@@ -33,4 +33,5 @@
  * Implementations of DDF interfaces functions.
  */
+
 #ifndef LIBUSB_DDFIFACE_H_
 #define LIBUSB_DDFIFACE_H_
@@ -39,14 +40,15 @@
 #include <usb_iface.h>
 
-int usb_iface_get_hc_handle_device_impl(ddf_fun_t *, devman_handle_t *);
-int usb_iface_get_my_address_forward_impl(ddf_fun_t *, usb_address_t *);
+extern int usb_iface_get_hc_handle_device_impl(ddf_fun_t *, devman_handle_t *);
+extern int usb_iface_get_my_address_forward_impl(ddf_fun_t *, usb_address_t *);
 extern usb_iface_t usb_iface_hub_impl;
 
-int usb_iface_get_my_address_from_device_data(ddf_fun_t *, usb_address_t *);
+extern int usb_iface_get_my_address_from_device_data(ddf_fun_t *, usb_address_t *);
 extern usb_iface_t usb_iface_hub_child_impl;
 
-int usb_iface_get_hc_handle_hc_impl(ddf_fun_t *, devman_handle_t *);
+extern int usb_iface_get_hc_handle_hc_impl(ddf_fun_t *, devman_handle_t *);
 
 #endif
+
 /**
  * @}
Index: uspace/lib/usb/include/usb/debug.h
===================================================================
--- uspace/lib/usb/include/usb/debug.h	(revision 99d05e10ee3538e2c0859de726a2eaa49d6e5bec)
+++ uspace/lib/usb/include/usb/debug.h	(revision 2405bb5f5417ffd83d27e05ec6b988b032dda577)
@@ -82,7 +82,7 @@
 /** Default log level. */
 #ifdef CONFIG_USB_VERBOSE
-#  define USB_LOG_LEVEL_DEFAULT USB_LOG_LEVEL_DEBUG
+	#define USB_LOG_LEVEL_DEFAULT USB_LOG_LEVEL_DEBUG
 #else
-#  define USB_LOG_LEVEL_DEFAULT USB_LOG_LEVEL_INFO
+	#define USB_LOG_LEVEL_DEFAULT USB_LOG_LEVEL_INFO
 #endif