Index: uspace/lib/usb/include/usb/usb.h
===================================================================
--- uspace/lib/usb/include/usb/usb.h	(revision 90fb67905fb2165ffde39c28adcb4300e314a450)
+++ uspace/lib/usb/include/usb/usb.h	(revision 818dc001e1775bf0bf356f9911600e641fa43e5a)
@@ -71,4 +71,6 @@
 /** Default USB address. */
 #define USB_ADDRESS_DEFAULT 0
+/** Maximum address number in USB 1.1. */
+#define USB11_ADDRESS_MAX 128
 
 /** USB endpoint number type.