Index: uspace/drv/bus/usb/uhci/res.c
===================================================================
--- uspace/drv/bus/usb/uhci/res.c	(revision da904f78faa90988c60cd91d2c9b77264bca5d44)
+++ uspace/drv/bus/usb/uhci/res.c	(revision f9b2cb4cf365498e1fe141b1aa66950fbc3dcb17)
@@ -55,6 +55,6 @@
 
 	async_sess_t *parent_sess =
-	    devman_parent_device_connect(EXCHANGE_SERIALIZE,
-	    ddf_dev_get_handle(dev), IPC_FLAG_BLOCKING);
+	    devman_parent_device_connect(ddf_dev_get_handle(dev),
+	    IPC_FLAG_BLOCKING);
 	if (!parent_sess)
 		return ENOMEM;
@@ -91,6 +91,6 @@
 {
 	async_sess_t *parent_sess =
-	    devman_parent_device_connect(EXCHANGE_SERIALIZE,
-	    ddf_dev_get_handle(device), IPC_FLAG_BLOCKING);
+	    devman_parent_device_connect(ddf_dev_get_handle(device),
+	    IPC_FLAG_BLOCKING);
 	if (!parent_sess)
 		return ENOMEM;
@@ -112,5 +112,5 @@
 
 	async_sess_t *parent_sess = devman_parent_device_connect(
-	    EXCHANGE_SERIALIZE, ddf_dev_get_handle(device), IPC_FLAG_BLOCKING);
+	    ddf_dev_get_handle(device), IPC_FLAG_BLOCKING);
 	if (!parent_sess)
 		return ENOMEM;