Index: uspace/drv/audio/sb16/dsp.c
===================================================================
--- uspace/drv/audio/sb16/dsp.c	(revision 2fd26bbb5577f592b70747a25fba122b01bb9559)
+++ uspace/drv/audio/sb16/dsp.c	(revision d15797de77c0b69b5bef26ccf17a3c40947a75df)
@@ -35,6 +35,6 @@
 #include <as.h>
 #include <stdbool.h>
+#include <ddf/driver.h>
 #include <ddi.h>
-#include <devman.h>
 #include <device/hw_res.h>
 #include <libarch/ddi.h>
@@ -161,6 +161,5 @@
 static inline int setup_dma(sb_dsp_t *dsp, uintptr_t pa, size_t size)
 {
-	async_sess_t *sess = devman_parent_device_connect(
-	    ddf_dev_get_handle(dsp->sb_dev), IPC_FLAG_BLOCKING);
+	async_sess_t *sess = ddf_dev_parent_sess_get(dsp->sb_dev);
 
 	const int ret = hw_res_dma_channel_setup(sess,
@@ -304,6 +303,5 @@
 
 	assert(dsp->buffer.data);
-	async_sess_t *sess = devman_parent_device_connect(
-	    ddf_dev_get_handle(dsp->sb_dev), IPC_FLAG_BLOCKING);
+	async_sess_t *sess = ddf_dev_parent_sess_get(dsp->sb_dev);
 
 	// TODO: Assumes DMA 16
Index: uspace/drv/audio/sb16/main.c
===================================================================
--- uspace/drv/audio/sb16/main.c	(revision 2fd26bbb5577f592b70747a25fba122b01bb9559)
+++ uspace/drv/audio/sb16/main.c	(revision d15797de77c0b69b5bef26ccf17a3c40947a75df)
@@ -37,5 +37,4 @@
 #include <ddf/log.h>
 #include <device/hw_res_parsed.h>
-#include <devman.h>
 #include <assert.h>
 #include <stdio.h>
@@ -180,7 +179,6 @@
 	assert(device);
 
-	async_sess_t *parent_sess = devman_parent_device_connect(
-	    ddf_dev_get_handle(device), IPC_FLAG_BLOCKING);
-	if (!parent_sess)
+	async_sess_t *parent_sess = ddf_dev_parent_sess_get(device);
+	if (parent_sess == NULL)
 		return ENOMEM;
 
@@ -247,7 +245,6 @@
 int sb_enable_interrupts(ddf_dev_t *device)
 {
-	async_sess_t *parent_sess = devman_parent_device_connect(
-	    ddf_dev_get_handle(device), IPC_FLAG_BLOCKING);
-	if (!parent_sess)
+	async_sess_t *parent_sess = ddf_dev_parent_sess_get(device);
+	if (parent_sess == NULL)
 		return ENOMEM;