[openfirmware] r1368 - dev/usb2/hcd/uhci

[svn at openfirmware.info]

Author: wmb
Date: 2009-09-18 03:15:46 +0200 (Fri, 18 Sep 2009)
New Revision: 1368

Modified:
   dev/usb2/hcd/uhci/qhtd.fth
Log:
USB UHCI driver - handle NULL_DATA case for td size field.


Modified: dev/usb2/hcd/uhci/qhtd.fth
===================================================================
--- dev/usb2/hcd/uhci/qhtd.fth	2009-09-18 01:14:00 UTC (rev 1367)
+++ dev/usb2/hcd/uhci/qhtd.fth	2009-09-18 01:15:46 UTC (rev 1368)
@@ -332,7 +332,8 @@
 : get-actual  ( td #td -- actual )
    0 -rot 0  ?do				( actual td )
       dup >hctd-stat le-l@ dup TD_STAT_ACTIVE and 0=  if
-         TD_ACTUAL_MASK and 1+
+         TD_ACTUAL_MASK and                     ( actual td size-code )
+         dup TD_NULL_DATA_SIZE =  if  drop 0  else  1+  then  ( actual td this-size )
          rot + swap				( actual' td )
       else  drop  then
       >td-next l@				( actual td' )