Index: uspace/drv/time/cmos-rtc/cmos-rtc.c
===================================================================
--- uspace/drv/time/cmos-rtc/cmos-rtc.c	(revision 7f9d97f3ef14161b0334989eea3a64581e2c86cc)
+++ uspace/drv/time/cmos-rtc/cmos-rtc.c	(revision f9b2cb4cf365498e1fe141b1aa66950fbc3dcb17)
@@ -213,5 +213,5 @@
 	/* Connect to the parent's driver */
 
-	parent_sess = ddf_dev_parent_sess_create(rtc->dev, EXCHANGE_SERIALIZE);
+	parent_sess = ddf_dev_parent_sess_create(rtc->dev);
 	if (!parent_sess) {
 		ddf_msg(LVL_ERROR, "Failed to connect to parent driver\