Index: uspace/lib/c/include/ipc/dev_iface.h
===================================================================
--- uspace/lib/c/include/ipc/dev_iface.h	(revision c63e70c6c7205da6494a4bd4241b669eb98c4c5f)
+++ uspace/lib/c/include/ipc/dev_iface.h	(revision 4b4c797d23deaa3f0f365f40c3d0d3960c0218c7)
@@ -38,4 +38,5 @@
 	HW_RES_DEV_IFACE = 0,	
 	CHAR_DEV_IFACE,
+	USB_DEV_IFACE,
 	// TODO add more interfaces
 	DEV_IFACE_MAX