Index: uspace/drv/bus/usb/xhci/Makefile
===================================================================
--- uspace/drv/bus/usb/xhci/Makefile	(revision 5cbccd4acbdbb068412b7105503d09315968f2a2)
+++ uspace/drv/bus/usb/xhci/Makefile	(revision 48197c1b31c77a817e7010b891d26ab66863d453)
@@ -47,3 +47,6 @@
 	main.c
 
+TEST_SOURCES = \
+	test/reg-ops.c
+
 include $(USPACE_PREFIX)/Makefile.common