[USBEHCI_NEW]

- Check if the current request type is supported (currently only control is supported, bulk will be implemented soon)
- Fix bug in IUSBRequest::CreateQueueHead
- Code runs now until first device descriptor get request (async / periodic queue not yet enabled)
- mjmartin usbehci status not yet reached
- Let the fun now begin ;)

svn path=/branches/usb-bringup/; revision=51474

drivers/usb/usbehci_new/usb_request.cpp

@@ -538,6 +538,11 @@ CUSBRequest::BuildControlTransferQueueHead(
         return STATUS_INSUFFICIENT_RESOURCES;
     }
 
+    //
+    // sanity check
+    //
+    PC_ASSERT(QueueHead);
+
     //
     // create setup packet
     //
@@ -773,6 +778,11 @@ CUSBRequest::CreateQueueHead(
     //
     QueueHead->PhysicalAddr = QueueHeadPhysicalAddress.LowPart;
 
+    //
+    // output queue head
+    //
+    *OutQueueHead = QueueHead;
+
     //
     // done
     //