1 files changed, 14 insertions, 4 deletions
diff --git a/EdkModulePkg/Universal/Disk/Partition/Dxe/Partition.msa b/EdkModulePkg/Universal/Disk/Partition/Dxe/Partition.msa
index 6c21dcf..3ed7fef 100644
--- a/EdkModulePkg/Universal/Disk/Partition/Dxe/Partition.msa
+++ b/EdkModulePkg/Universal/Disk/Partition/Dxe/Partition.msa
@@ -6,8 +6,11 @@
     <GuidValue>1FA1F39E-FEFF-4aae-BD7B-38A070A3B609</GuidValue>
     <Version>1.0</Version>
     <Abstract>Component description file for Partition module.</Abstract>
-    <Description>Partition driver that produces logical BlockIo devices from a physical BlockIo device.</Description>
-    <Copyright>Copyright (c) 2006, Intel Corporation</Copyright>
+    <Description>Partition driver produces the logical BlockIo device 
+      that represents the bytes Start to End of the Parent Block IO 
+      device (one partition of physical BlockIo device, 
+      which can be one of GPT, MBR, ElTorito partition).</Description>
+    <Copyright>Copyright (c) 2006 - 2007, Intel Corporation</Copyright>
     <License>All rights reserved. This program and the accompanying materials
       are licensed and made available under the terms and conditions of the BSD License
       which accompanies this distribution.  The full text of the license may be found at
@@ -22,8 +25,9 @@
     <OutputFileBasename>Partition</OutputFileBasename>
   </ModuleDefinitions>
   <LibraryClassDefinitions>
-    <LibraryClass Usage="ALWAYS_CONSUMED">
+    <LibraryClass Usage="ALWAYS_CONSUMED" RecommendedInstanceGuid="bda39d3a-451b-4350-8266-81ab10fa0523">
       <Keyword>DebugLib</Keyword>
+      <HelpText>Recommended libary Instance is PeiDxeDebugLibReportStatusCode instance in MdePkg.</HelpText>
     </LibraryClass>
     <LibraryClass Usage="ALWAYS_CONSUMED">
       <Keyword>UefiDriverModelLib</Keyword>
@@ -71,12 +75,18 @@
     <Protocol Usage="TO_START">
       <ProtocolCName>gEfiDevicePathProtocolGuid</ProtocolCName>
     </Protocol>
+    <Protocol Usage="BY_START">
+      <ProtocolCName>gEfiDevicePathProtocolGuid</ProtocolCName>
+    </Protocol>
+    <Protocol Usage="BY_START">
+      <ProtocolCName>gEfiBlockIoProtocolGuid</ProtocolCName>
+    </Protocol>
   </Protocols>
   <Guids>
     <GuidCNames Usage="SOMETIMES_CONSUMED">
       <GuidCName>gEfiPartTypeSystemPartGuid</GuidCName>
     </GuidCNames>
-    <GuidCNames Usage="ALWAYS_CONSUMED">
+    <GuidCNames Usage="SOMETIMES_CONSUMED">
       <GuidCName>gEfiPartTypeUnusedGuid</GuidCName>
     </GuidCNames>
   </Guids>