K 10 svn:author V 7 thompsa K 8 svn:date V 27 2008-07-28T16:08:26.428498Z K 7 svn:log V 264 MFC r177457 Correct cache handling for xfer requests marked URQ_REQUEST: many (if not all uses) involve a read but usbd_start_transfer only does a PREWRITE; change this to BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE as I'm not sure if any users do write+read. END