Index: uspace/drv/ns8250/ns8250.c
===================================================================
--- uspace/drv/ns8250/ns8250.c	(revision 77429d3ddfaa914b6e45b20d0e839aa7b9d4d505)
+++ uspace/drv/ns8250/ns8250.c	(revision cfd630afac68c4e32746bbb4631110e5a2b386e8)
@@ -256,5 +256,5 @@
 	
 	if (dev->parent_phone > 0) {
-		ipc_hangup(dev->parent_phone);
+		async_hangup(dev->parent_phone);
 		dev->parent_phone = 0;
 	}
@@ -888,5 +888,5 @@
 		ns8250_get_props(dev, &baud_rate, &parity, &word_length,
 		    &stop_bits);
-		ipc_answer_4(callid, EOK, baud_rate, parity, word_length,
+		async_answer_4(callid, EOK, baud_rate, parity, word_length,
 		    stop_bits);
 		break;
@@ -899,9 +899,9 @@
 		ret = ns8250_set_props(dev, baud_rate, parity, word_length,
 		    stop_bits);
-		ipc_answer_0(callid, ret);
+		async_answer_0(callid, ret);
 		break;
 		
 	default:
-		ipc_answer_0(callid, ENOTSUP);
+		async_answer_0(callid, ENOTSUP);
 	}
 }
Index: uspace/drv/pciintel/pci.c
===================================================================
--- uspace/drv/pciintel/pci.c	(revision 77429d3ddfaa914b6e45b20d0e839aa7b9d4d505)
+++ uspace/drv/pciintel/pci.c	(revision cfd630afac68c4e32746bbb4631110e5a2b386e8)
@@ -478,5 +478,5 @@
 		    "the device.\n");
 		delete_pci_bus_data(bus_data);
-		ipc_hangup(dev->parent_phone);
+		async_hangup(dev->parent_phone);
 		return rc;
 	}	
@@ -496,5 +496,5 @@
 		printf(NAME ": failed to enable configuration ports.\n");
 		delete_pci_bus_data(bus_data);
-		ipc_hangup(dev->parent_phone);
+		async_hangup(dev->parent_phone);
 		hw_res_clean_resource_list(&hw_resources);
 		return EADDRNOTAVAIL;