[edk2-staging][PATCH v3 07/15] edk2-staging/RedfishClientPkg: Update ETag driver

["Nickle Wang" <nickle.wang@hpe.com>]

Update ETag driver and use specific variable GUID. Also fix the typo
in comment.

Signed-off-by: Nickle Wang <nickle.wang@hpe.com>
Cc: Abner Chang <abner.chang@amd.com>
Cc: Yang Atom <Atom.Yang@amd.com>
Cc: Nick Ramirez <nramirez@nvidia.com>
---
 RedfishClientPkg/RedfishClientPkg.dec            |  2 +-
 RedfishClientPkg/RedfishETagDxe/RedfishETagDxe.c | 10 +++++-----
 RedfishClientPkg/RedfishETagDxe/RedfishETagDxe.h |  4 ++--
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/RedfishClientPkg/RedfishClientPkg.dec b/RedfishClientPkg/RedfishClientPkg.dec
index 7bdab5be0c..67929341df 100644
--- a/RedfishClientPkg/RedfishClientPkg.dec
+++ b/RedfishClientPkg/RedfishClientPkg.dec
@@ -36,7 +36,7 @@
   gEdkIIRedfishFeatureProtocolGuid        = { 0x785CC694, 0x4930, 0xEFBF, { 0x2A, 0xCB, 0xA4, 0xB6, 0xA1, 0xCC, 0xAA, 0x34 } }
   ## Include/Protocol/EdkIIRedfishResourceConfigProtocol.h
   gEdkIIRedfishResourceConfigProtocolGuid = { 0x6f164c68, 0xfb09, 0x4646, { 0xa8, 0xd3, 0x24, 0x11, 0x5d, 0xab, 0x3e, 0xe7 } }
-  ## Include/Protocol/EdkiiRedfishETagProtocol.h
+  ## Include/Protocol/EdkIIRedfishETagProtocol.h
   gEdkIIRedfishETagProtocolGuid           = { 0x5706d368, 0xaf66, 0x48f5, { 0x89, 0xfc, 0xa6, 0x61, 0xce, 0xb5, 0xa6, 0xa9 } }
   ## Include/Protocol/EdkIIRedfishConfigLangMapProtocol.h
   gEdkIIRedfishConfigLangMapProtocolGuid    = { 0x1d9ba9fe, 0x5d5a, 0x4b66, {0x83, 0x5b, 0xe2, 0x5d, 0x13, 0x93, 0x4a, 0x9c } }
diff --git a/RedfishClientPkg/RedfishETagDxe/RedfishETagDxe.c b/RedfishClientPkg/RedfishETagDxe/RedfishETagDxe.c
index 73d3a8c39a..52015672f9 100644
--- a/RedfishClientPkg/RedfishETagDxe/RedfishETagDxe.c
+++ b/RedfishClientPkg/RedfishETagDxe/RedfishETagDxe.c
@@ -1,6 +1,6 @@
 /** @file
 
-  (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
+  (C) Copyright 2021-2022 Hewlett Packard Enterprise Development LP<BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
@@ -398,17 +398,17 @@ SaveETagList (
   //
   Status = GetVariable2 (
              VariableName,
-             &gEfiCallerIdGuid,
+             &mRedfishVariableGuid,
              (VOID *)&Data,
              NULL
              );
   if (!EFI_ERROR (Status)) {
     FreePool (Data);
-    gRT->SetVariable (VariableName, &gEfiCallerIdGuid, VARIABLE_ATTRIBUTE_NV_BS, 0, NULL);
+    gRT->SetVariable (VariableName, &mRedfishVariableGuid, VARIABLE_ATTRIBUTE_NV_BS, 0, NULL);
   }
 
 
-  return gRT->SetVariable (VariableName, &gEfiCallerIdGuid, VARIABLE_ATTRIBUTE_NV_BS, VarSize, (VOID *)VarData);
+  return gRT->SetVariable (VariableName, &mRedfishVariableGuid, VARIABLE_ATTRIBUTE_NV_BS, VarSize, (VOID *)VarData);
 }
 
 /**
@@ -444,7 +444,7 @@ InitialETagList (
   //
   Status = GetVariable2 (
              VariableName,
-             &gEfiCallerIdGuid,
+             &mRedfishVariableGuid,
              (VOID *)&VarData,
              &VariableSize
              );
diff --git a/RedfishClientPkg/RedfishETagDxe/RedfishETagDxe.h b/RedfishClientPkg/RedfishETagDxe/RedfishETagDxe.h
index 58925b4a51..3deab377dc 100644
--- a/RedfishClientPkg/RedfishETagDxe/RedfishETagDxe.h
+++ b/RedfishClientPkg/RedfishETagDxe/RedfishETagDxe.h
@@ -1,7 +1,7 @@
 /** @file
   Common header file for RedfishETagDxe driver.
 
-  (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
+  (C) Copyright 2021-2022 Hewlett Packard Enterprise Development LP<BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
@@ -11,6 +11,7 @@
 #define REDFISH_ETAG_DXE_H_
 
 #include <Uefi.h>
+#include <RedfishBase.h>
 
 //
 // Libraries
@@ -30,7 +31,6 @@
 #include <Guid/VariableFormat.h>
 
 #define ETAG_VARIABLE_NAME    L"RedfishETag"
-#define IS_EMPTY_STRING(a) ((a) == NULL || (a)[0] == '\0')
 #define ETAG_DEBUG_ENABLED    0x00
 
 //
-- 
2.32.0.windows.2