update comments per review comments.

[mirror_edk2.git] / MdePkg / Include / Protocol / DeviceIo.h

diff --git a/MdePkg/Include/Protocol/DeviceIo.h b/MdePkg/Include/Protocol/DeviceIo.h
index ea3949cada4abfaa33af35281ca72803cab69bd7..fc68603b346f6bda5427007bcea7ba123ab5a5d1 100644 (file)
--- a/MdePkg/Include/Protocol/DeviceIo.h
+++ b/MdePkg/Include/Protocol/DeviceIo.h
@@ -4,7 +4,7 @@
   Device IO is used to abstract hardware access to devices. It includes\r
   memory mapped IO, IO, PCI Config space, and DMA.\r
 \r
-  Copyright (c) 2006 - 2008, Intel Corporation                                                         \r
+  Copyright (c) 2006 - 2009, Intel Corporation                                                         \r
   All rights reserved. This program and the accompanying materials                          \r
   are licensed and made available under the terms and conditions of the BSD License         \r
   which accompanies this distribution.  The full text of the license may be found at        \r
@@ -135,6 +135,7 @@ typedef enum {
   @param  Operation             Indicates if the bus master is going to read or write to system memory.\r
   @param  HostAddress           The system memory address to map to the device.\r
   @param  NumberOfBytes         On input, the number of bytes to map.\r
+                                On output the number of bytes that were mapped.\r
   @param  DeviceAddress         The resulting map address for the bus master device to use to access the\r
                                 hosts HostAddress.\r
   @param  Mapping               A resulting value to pass to Unmap().\r