MdeModulePkg: Use EfiEventEmptyFunction from UefiLib

Use EfiEventEmptyFunction from UefiLib and remove the duplication
of event empty function.

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=298

Cc: Feng Tian <feng.tian@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

4 files changed, 7 insertions, 73 deletions

diff --git a/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.c b/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.c
index 01bec197bb..b230f5e261 100644
--- a/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.c
+++ b/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.c
@@ -16,7 +16,7 @@
   never removed. Such design ensures sytem function well during none console

   device situation.

 

-Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>

+Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>

 (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>

 This program and the accompanying materials

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

@@ -711,7 +711,7 @@ ConSplitterTextInConstructor (
   Status = gBS->CreateEventEx (

                   EVT_NOTIFY_SIGNAL,

                   TPL_CALLBACK,

-                  ConSplitterEmptyCallbackFunction,

+                  EfiEventEmptyFunction,

                   NULL,

                   &gConnectConInEventGuid,

                   &ConInPrivate->ConnectConInEvent

@@ -4979,21 +4979,3 @@ ConSplitterTextOutEnableCursor (
 

   return ReturnStatus;

 }

-

-

-/**

-  An empty function to pass error checking of CreateEventEx ().

-

-  @param  Event                 Event whose notification function is being invoked.

-  @param  Context               Pointer to the notification function's context,

-                                which is implementation-dependent.

-

-**/

-VOID

-EFIAPI

-ConSplitterEmptyCallbackFunction (

-  IN EFI_EVENT                Event,

-  IN VOID                     *Context

-  )

-{

-}

diff --git a/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.h b/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.h
index e6ef40d00c..eeea06186f 100644
--- a/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.h
+++ b/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.h
@@ -1,7 +1,7 @@
 /** @file

   Private data structures for the Console Splitter driver

 

-Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>

+Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>

 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

@@ -1996,20 +1996,4 @@ TextOutSetMode (
   IN  UINTN                           ModeNumber

   );

 

-/**

-  An empty function to pass error checking of CreateEventEx ().

-

-  @param  Event                 Event whose notification function is being invoked.

-  @param  Context               Pointer to the notification function's context,

-                                which is implementation-dependent.

-

-**/

-VOID

-EFIAPI

-ConSplitterEmptyCallbackFunction (

-  IN EFI_EVENT                Event,

-  IN VOID                     *Context

-  );

-

-

 #endif

diff --git a/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c b/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
index 1b58a8d718..67a40b7d63 100644
--- a/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
+++ b/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
@@ -2,7 +2,7 @@
 This is an example of how a driver might export data to the HII protocol to be

 later utilized by the Setup Protocol

 

-Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>

+Copyright (c) 2004 - 2017, Intel Corporation. All rights reserved.<BR>

 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

@@ -111,22 +111,6 @@ SetArrayData (
 }

 

 /**

-  Add empty function for event process function.

-

-  @param Event    The Event need to be process

-  @param Context  The context of the event.

-

-**/

-VOID

-EFIAPI

-DriverSampleInternalEmptyFunction (

-  IN  EFI_EVENT Event,

-  IN  VOID      *Context

-  )

-{

-}

-

-/**

   Notification function for keystrokes.

 

   @param[in] KeyData    The key that was pressed.

@@ -1972,7 +1956,7 @@ DriverSampleInit (
   Status = gBS->CreateEventEx (

         EVT_NOTIFY_SIGNAL, 

         TPL_NOTIFY,

-        DriverSampleInternalEmptyFunction,

+        EfiEventEmptyFunction,

         NULL,

         &gEfiIfrRefreshIdOpGuid,

         &mEvent

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c b/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c
index aa0bd229ce..08d46cf554 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c
@@ -1,7 +1,7 @@
 /** @file

 Utility functions for UI presentation.

 

-Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>

+Copyright (c) 2004 - 2017, Intel Corporation. All rights reserved.<BR>

 (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>

 This program and the accompanying materials

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

@@ -71,22 +71,6 @@ EvaluateFormExpressions (
 }

 

 /**

-  Add empty function for event process function.

-

-  @param Event    The Event need to be process

-  @param Context  The context of the event.

-

-**/

-VOID

-EFIAPI

-SetupBrowserEmptyFunction (

-  IN  EFI_EVENT    Event,

-  IN  VOID         *Context

-  )

-{

-}

-

-/**

   Base on the opcode buffer info to get the display statement.

 

   @param OpCode    The input opcode buffer for this statement.

@@ -718,7 +702,7 @@ InitializeDisplayFormData (
   Status = gBS->CreateEvent (

         EVT_NOTIFY_WAIT, 

         TPL_CALLBACK,

-        SetupBrowserEmptyFunction,

+        EfiEventEmptyFunction,

         NULL,

         &mValueChangedEvent

         );