1. add some comments.

2. remove unnecessary protocol declaration in inf file.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7059 6f19259b-4bc3-4df7-8a09-765794883524

2 files changed, 7 insertions, 8 deletions

diff --git a/MdeModulePkg/Universal/DebugPortDxe/DebugPort.c b/MdeModulePkg/Universal/DebugPortDxe/DebugPort.c
index ffe3fb72ec..5881668d7f 100644
--- a/MdeModulePkg/Universal/DebugPortDxe/DebugPort.c
+++ b/MdeModulePkg/Universal/DebugPortDxe/DebugPort.c
@@ -203,8 +203,8 @@ DebugPortSupported (
   EFI_HANDLE                TempHandle;

 

   //

-  // Check to see that there's not a debugport protocol already published

-  // Question: Why do we prevent debugport protocol published on more one device?

+  // Check to see that there's not a debugport protocol already published,

+  // since only one standard UART serial port could be supported by this driver.

   //

   if (gBS->LocateProtocol (&gEfiDebugPortProtocolGuid, NULL, (VOID **) &DebugPortInterface) != EFI_NOT_FOUND) {

     return EFI_UNSUPPORTED;

diff --git a/MdeModulePkg/Universal/DebugPortDxe/DebugPortDxe.inf b/MdeModulePkg/Universal/DebugPortDxe/DebugPortDxe.inf
index 0be24ffa05..b1904a26a6 100644
--- a/MdeModulePkg/Universal/DebugPortDxe/DebugPortDxe.inf
+++ b/MdeModulePkg/Universal/DebugPortDxe/DebugPortDxe.inf
@@ -1,9 +1,10 @@
 #/** @file

-# Component description file for DebugPort module.

+# This driver produces Debug Port protocol to be used by debug agent to communicate with

+# the remote debug host.

 #

-# This driver binds exclusively to serial io on the controller handle,

-#  and initializes serial Io interface, publishs DebugPort and device path Protocol.

-# Copyright (c) 2006 - 2007, Intel Corporation

+# This driver binds exclusively to a standard UART serial port on the controller handle,

+#  and initializes serial Io interface, publishs Debug Port and Device Path Protocol.

+# Copyright (c) 2006 - 2008, Intel Corporation

 #

 #  All rights reserved. This program and the accompanying materials

 #  are licensed and made available under the terms and conditions of the BSD License

@@ -58,8 +59,6 @@
 

 

 [Protocols]

-  gEfiDriverBindingProtocolGuid                 # PROTOCOL ALWAYS_CONSUMED

-  gEfiComponentNameProtocolGuid                 # PROTOCOL ALWAYS_CONSUMED

   gEfiSerialIoProtocolGuid                      # PROTOCOL TO_START

   gEfiDevicePathProtocolGuid                    # PROTOCOL BY_START

   gEfiDebugPortProtocolGuid                     # PROTOCOL BY_START