Index: uspace/drv/time/cmos-rtc/cmos-rtc.c
===================================================================
--- uspace/drv/time/cmos-rtc/cmos-rtc.c	(revision 508fff86036f56604fca999ac8c6758fec5d008d)
+++ uspace/drv/time/cmos-rtc/cmos-rtc.c	(revision 082b7f1c98926730d2a2ca8eced2348d2d692bc2)
@@ -745,6 +745,13 @@
 rtc_fun_online(ddf_fun_t *fun)
 {
+	int rc;
+
 	ddf_msg(LVL_DEBUG, "rtc_fun_online()");
-	return ddf_fun_online(fun);
+
+	rc = ddf_fun_online(fun);
+	if (rc == EOK)
+		ddf_fun_add_to_category(fun, "clock");
+
+	return rc;
 }