--- a/symbian4/os/usb/package_definition.xml	Tue Jun 29 12:34:13 2010 +0100
+++ b/symbian4/os/usb/package_definition.xml	Wed Jun 30 17:34:43 2010 +0100
@@ -50,10 +50,13 @@
   late (Y|N) #IMPLIED
   priority CDATA #IMPLIED>
 ]>
-<SystemDefinition schema="2.0.1" name="Symbian^4">
+<SystemDefinition name="Symbian^4" schema="2.0.1">
  <systemModel>
   <layer name="os" long-name="OS" levels="hw services">
    <block name="usb" level="services" long-name="USB" levels="adaptation hw-if plugin framework server app-if">
+<collection name="usb_plat" long-name="USB Platform Interfaces" level="app-if">
+<!-- placeholder for platform APIs -->
+</collection>
 <collection name="usbldd" long-name="USB Logical Device Drivers" level="hw-if">
 <!-- usbclientdrivers  to be moved here from kernelhwsrv-->
 </collection>