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authorvanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524>2008-12-17 02:17:53 +0000
committervanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524>2008-12-17 02:17:53 +0000
commit0da0de5ed842d9111965157d465110af90dbeecd (patch)
treea378625839d8d549cf424345c6e5f86f479d414f
parent8cc267ebbc4c0ba0ff2e560c7bd303a2d34f353e (diff)
downloadedk2-platforms-0da0de5ed842d9111965157d465110af90dbeecd.tar.xz
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
-rw-r--r--MdeModulePkg/Universal/DebugPortDxe/DebugPort.c4
-rw-r--r--MdeModulePkg/Universal/DebugPortDxe/DebugPortDxe.inf11
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