treewide: convert GPLv2+ license info to SPDX tags

SPDX standardizes how source code conveys its copyright and licensing
information. See https://spdx.github.io/spdx-spec/1-rationale/ . SPDX
tags are adopted in many large projects, including things like the Linux
kernel.

50 files changed, 50 insertions, 100 deletions

diff --git a/Source/Core/InputCommon/ControllerInterface/Android/Android.cpp b/Source/Core/InputCommon/ControllerInterface/Android/Android.cpp
index 50792576be..5937f1168f 100644
--- a/Source/Core/InputCommon/ControllerInterface/Android/Android.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/Android/Android.cpp
@@ -1,6 +1,5 @@
 // Copyright 2013 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "InputCommon/ControllerInterface/Android/Android.h"
 #include "InputCommon/ControllerInterface/ControllerInterface.h"
diff --git a/Source/Core/InputCommon/ControllerInterface/Android/Android.h b/Source/Core/InputCommon/ControllerInterface/Android/Android.h
index 5b60487cfc..2cc3c5a22b 100644
--- a/Source/Core/InputCommon/ControllerInterface/Android/Android.h
+++ b/Source/Core/InputCommon/ControllerInterface/Android/Android.h
@@ -1,6 +1,5 @@
 // Copyright 2008 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/ControllerInterface.cpp b/Source/Core/InputCommon/ControllerInterface/ControllerInterface.cpp
index 7c17a61448..6a9cfc25fd 100644
--- a/Source/Core/InputCommon/ControllerInterface/ControllerInterface.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/ControllerInterface.cpp
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "InputCommon/ControllerInterface/ControllerInterface.h"
 
diff --git a/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h b/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h
index 9c91d853e7..7a5ee0ad26 100644
--- a/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h
+++ b/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/CoreDevice.cpp b/Source/Core/InputCommon/ControllerInterface/CoreDevice.cpp
index 3a396ddf37..3d224b3cf4 100644
--- a/Source/Core/InputCommon/ControllerInterface/CoreDevice.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/CoreDevice.cpp
@@ -1,6 +1,5 @@
 // Copyright 2013 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "InputCommon/ControllerInterface/CoreDevice.h"
 
diff --git a/Source/Core/InputCommon/ControllerInterface/CoreDevice.h b/Source/Core/InputCommon/ControllerInterface/CoreDevice.h
index d3312568b2..def895afa1 100644
--- a/Source/Core/InputCommon/ControllerInterface/CoreDevice.h
+++ b/Source/Core/InputCommon/ControllerInterface/CoreDevice.h
@@ -1,6 +1,5 @@
 // Copyright 2013 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/DInput/DInput.cpp b/Source/Core/InputCommon/ControllerInterface/DInput/DInput.cpp
index f5e105dc45..ec02abaddf 100644
--- a/Source/Core/InputCommon/ControllerInterface/DInput/DInput.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/DInput/DInput.cpp
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "InputCommon/ControllerInterface/DInput/DInput.h"
 
diff --git a/Source/Core/InputCommon/ControllerInterface/DInput/DInput.h b/Source/Core/InputCommon/ControllerInterface/DInput/DInput.h
index 8be064a1f1..3d1f67d64a 100644
--- a/Source/Core/InputCommon/ControllerInterface/DInput/DInput.h
+++ b/Source/Core/InputCommon/ControllerInterface/DInput/DInput.h
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/DInput/DInput8.h b/Source/Core/InputCommon/ControllerInterface/DInput/DInput8.h
index 4a32edb632..4b607638c8 100644
--- a/Source/Core/InputCommon/ControllerInterface/DInput/DInput8.h
+++ b/Source/Core/InputCommon/ControllerInterface/DInput/DInput8.h
@@ -1,6 +1,5 @@
 // Copyright 2008 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/DInput/DInputJoystick.cpp b/Source/Core/InputCommon/ControllerInterface/DInput/DInputJoystick.cpp
index 3d51d9c043..5a6c6c221e 100644
--- a/Source/Core/InputCommon/ControllerInterface/DInput/DInputJoystick.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/DInput/DInputJoystick.cpp
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <algorithm>
 #include <limits>
diff --git a/Source/Core/InputCommon/ControllerInterface/DInput/DInputJoystick.h b/Source/Core/InputCommon/ControllerInterface/DInput/DInputJoystick.h
index fe0f46424f..be04becf41 100644
--- a/Source/Core/InputCommon/ControllerInterface/DInput/DInputJoystick.h
+++ b/Source/Core/InputCommon/ControllerInterface/DInput/DInputJoystick.h
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/DInput/DInputKeyboardMouse.cpp b/Source/Core/InputCommon/ControllerInterface/DInput/DInputKeyboardMouse.cpp
index aaa723849e..0d3ba01449 100644
--- a/Source/Core/InputCommon/ControllerInterface/DInput/DInputKeyboardMouse.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/DInput/DInputKeyboardMouse.cpp
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "InputCommon/ControllerInterface/DInput/DInputKeyboardMouse.h"
 
diff --git a/Source/Core/InputCommon/ControllerInterface/DInput/DInputKeyboardMouse.h b/Source/Core/InputCommon/ControllerInterface/DInput/DInputKeyboardMouse.h
index b0fd39c00d..d174f4a28e 100644
--- a/Source/Core/InputCommon/ControllerInterface/DInput/DInputKeyboardMouse.h
+++ b/Source/Core/InputCommon/ControllerInterface/DInput/DInputKeyboardMouse.h
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/DInput/NamedKeys.h b/Source/Core/InputCommon/ControllerInterface/DInput/NamedKeys.h
index 2ac38a86fe..068664759a 100644
--- a/Source/Core/InputCommon/ControllerInterface/DInput/NamedKeys.h
+++ b/Source/Core/InputCommon/ControllerInterface/DInput/NamedKeys.h
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 {DIK_A, "A"}, {DIK_B, "B"}, {DIK_C, "C"}, {DIK_D, "D"}, {DIK_E, "E"}, {DIK_F, "F"}, {DIK_G, "G"},
     {DIK_H, "H"}, {DIK_I, "I"}, {DIK_J, "J"}, {DIK_K, "K"}, {DIK_L, "L"}, {DIK_M, "M"},
diff --git a/Source/Core/InputCommon/ControllerInterface/DInput/XInputFilter.cpp b/Source/Core/InputCommon/ControllerInterface/DInput/XInputFilter.cpp
index 94040994e7..94ae14f3db 100644
--- a/Source/Core/InputCommon/ControllerInterface/DInput/XInputFilter.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/DInput/XInputFilter.cpp
@@ -1,6 +1,5 @@
 // Copyright 2014 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <cwchar>
 #include <unordered_set>
diff --git a/Source/Core/InputCommon/ControllerInterface/DInput/XInputFilter.h b/Source/Core/InputCommon/ControllerInterface/DInput/XInputFilter.h
index 46955a1eb1..de3d684372 100644
--- a/Source/Core/InputCommon/ControllerInterface/DInput/XInputFilter.h
+++ b/Source/Core/InputCommon/ControllerInterface/DInput/XInputFilter.h
@@ -1,6 +1,5 @@
 // Copyright 2014 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPClient.cpp b/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPClient.cpp
index f8347aa51a..b63a8582ae 100644
--- a/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPClient.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPClient.cpp
@@ -1,6 +1,5 @@
 // Copyright 2019 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPClient.h"
 
diff --git a/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPClient.h b/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPClient.h
index 2442634783..1a2c2826ca 100644
--- a/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPClient.h
+++ b/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPClient.h
@@ -1,6 +1,5 @@
 // Copyright 2019 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPProto.h b/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPProto.h
index f3ded25e4f..a397431e3d 100644
--- a/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPProto.h
+++ b/Source/Core/InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPProto.h
@@ -1,6 +1,5 @@
 // Copyright 2019 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/ForceFeedback/ForceFeedbackDevice.cpp b/Source/Core/InputCommon/ControllerInterface/ForceFeedback/ForceFeedbackDevice.cpp
index 44fc87b712..c057a27e95 100644
--- a/Source/Core/InputCommon/ControllerInterface/ForceFeedback/ForceFeedbackDevice.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/ForceFeedback/ForceFeedbackDevice.cpp
@@ -1,6 +1,5 @@
 // Copyright 2014 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "InputCommon/ControllerInterface/ForceFeedback/ForceFeedbackDevice.h"
 
diff --git a/Source/Core/InputCommon/ControllerInterface/ForceFeedback/ForceFeedbackDevice.h b/Source/Core/InputCommon/ControllerInterface/ForceFeedback/ForceFeedbackDevice.h
index 8fab93c429..0c03e1fd9d 100644
--- a/Source/Core/InputCommon/ControllerInterface/ForceFeedback/ForceFeedbackDevice.h
+++ b/Source/Core/InputCommon/ControllerInterface/ForceFeedback/ForceFeedbackDevice.h
@@ -1,6 +1,5 @@
 // Copyright 2014 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/ForceFeedback/OSX/DirectInputAdapter.h b/Source/Core/InputCommon/ControllerInterface/ForceFeedback/OSX/DirectInputAdapter.h
index 0ebd74d485..3c76ce4b4e 100644
--- a/Source/Core/InputCommon/ControllerInterface/ForceFeedback/OSX/DirectInputAdapter.h
+++ b/Source/Core/InputCommon/ControllerInterface/ForceFeedback/OSX/DirectInputAdapter.h
@@ -1,6 +1,5 @@
 // Copyright 2014 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 /*
  * The OS X Force Feedback API is very similar to the DirectInput API,
diff --git a/Source/Core/InputCommon/ControllerInterface/ForceFeedback/OSX/DirectInputConstants.h b/Source/Core/InputCommon/ControllerInterface/ForceFeedback/OSX/DirectInputConstants.h
index 7e78eb7199..1f65f028a0 100644
--- a/Source/Core/InputCommon/ControllerInterface/ForceFeedback/OSX/DirectInputConstants.h
+++ b/Source/Core/InputCommon/ControllerInterface/ForceFeedback/OSX/DirectInputConstants.h
@@ -1,6 +1,5 @@
 // Copyright 2014 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/OSX/OSX.h b/Source/Core/InputCommon/ControllerInterface/OSX/OSX.h
index f4ebc1a911..6bb05c5543 100644
--- a/Source/Core/InputCommon/ControllerInterface/OSX/OSX.h
+++ b/Source/Core/InputCommon/ControllerInterface/OSX/OSX.h
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/OSX/OSX.mm b/Source/Core/InputCommon/ControllerInterface/OSX/OSX.mm
index 8c80e9f529..e846ffb0e1 100644
--- a/Source/Core/InputCommon/ControllerInterface/OSX/OSX.mm
+++ b/Source/Core/InputCommon/ControllerInterface/OSX/OSX.mm
@@ -1,6 +1,5 @@
 // Copyright 2013 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <thread>
 
diff --git a/Source/Core/InputCommon/ControllerInterface/OSX/OSXJoystick.h b/Source/Core/InputCommon/ControllerInterface/OSX/OSXJoystick.h
index 89552a80de..ba701d7e16 100644
--- a/Source/Core/InputCommon/ControllerInterface/OSX/OSXJoystick.h
+++ b/Source/Core/InputCommon/ControllerInterface/OSX/OSXJoystick.h
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/OSX/OSXJoystick.mm b/Source/Core/InputCommon/ControllerInterface/OSX/OSXJoystick.mm
index f08f704275..f8ee6e5446 100644
--- a/Source/Core/InputCommon/ControllerInterface/OSX/OSXJoystick.mm
+++ b/Source/Core/InputCommon/ControllerInterface/OSX/OSXJoystick.mm
@@ -1,6 +1,5 @@
 // Copyright 2013 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "InputCommon/ControllerInterface/OSX/OSXJoystick.h"
 
diff --git a/Source/Core/InputCommon/ControllerInterface/OSX/RunLoopStopper.h b/Source/Core/InputCommon/ControllerInterface/OSX/RunLoopStopper.h
index c43a0383dc..a749e9f85b 100644
--- a/Source/Core/InputCommon/ControllerInterface/OSX/RunLoopStopper.h
+++ b/Source/Core/InputCommon/ControllerInterface/OSX/RunLoopStopper.h
@@ -1,6 +1,5 @@
 // Copyright 2016 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/Pipes/Pipes.cpp b/Source/Core/InputCommon/ControllerInterface/Pipes/Pipes.cpp
index 6b44466eb6..a273814db6 100644
--- a/Source/Core/InputCommon/ControllerInterface/Pipes/Pipes.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/Pipes/Pipes.cpp
@@ -1,6 +1,5 @@
 // Copyright 2015 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <algorithm>
 #include <array>
diff --git a/Source/Core/InputCommon/ControllerInterface/Pipes/Pipes.h b/Source/Core/InputCommon/ControllerInterface/Pipes/Pipes.h
index 3d316f64e4..3c1516c714 100644
--- a/Source/Core/InputCommon/ControllerInterface/Pipes/Pipes.h
+++ b/Source/Core/InputCommon/ControllerInterface/Pipes/Pipes.h
@@ -1,6 +1,5 @@
 // Copyright 2015 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/Quartz/Quartz.h b/Source/Core/InputCommon/ControllerInterface/Quartz/Quartz.h
index d36dcdf8bd..8818425344 100644
--- a/Source/Core/InputCommon/ControllerInterface/Quartz/Quartz.h
+++ b/Source/Core/InputCommon/ControllerInterface/Quartz/Quartz.h
@@ -1,6 +1,5 @@
 // Copyright 2016 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/Quartz/Quartz.mm b/Source/Core/InputCommon/ControllerInterface/Quartz/Quartz.mm
index 1201232223..22dc4074d9 100644
--- a/Source/Core/InputCommon/ControllerInterface/Quartz/Quartz.mm
+++ b/Source/Core/InputCommon/ControllerInterface/Quartz/Quartz.mm
@@ -1,6 +1,5 @@
 // Copyright 2016 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "InputCommon/ControllerInterface/Quartz/Quartz.h"
 #include "InputCommon/ControllerInterface/ControllerInterface.h"
diff --git a/Source/Core/InputCommon/ControllerInterface/Quartz/QuartzKeyboardAndMouse.h b/Source/Core/InputCommon/ControllerInterface/Quartz/QuartzKeyboardAndMouse.h
index 740954082b..aee721f9d9 100644
--- a/Source/Core/InputCommon/ControllerInterface/Quartz/QuartzKeyboardAndMouse.h
+++ b/Source/Core/InputCommon/ControllerInterface/Quartz/QuartzKeyboardAndMouse.h
@@ -1,6 +1,5 @@
 // Copyright 2016 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/Quartz/QuartzKeyboardAndMouse.mm b/Source/Core/InputCommon/ControllerInterface/Quartz/QuartzKeyboardAndMouse.mm
index 216ae58e6c..1d55b07795 100644
--- a/Source/Core/InputCommon/ControllerInterface/Quartz/QuartzKeyboardAndMouse.mm
+++ b/Source/Core/InputCommon/ControllerInterface/Quartz/QuartzKeyboardAndMouse.mm
@@ -1,6 +1,5 @@
 // Copyright 2016 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "InputCommon/ControllerInterface/Quartz/QuartzKeyboardAndMouse.h"
 
diff --git a/Source/Core/InputCommon/ControllerInterface/SDL/SDL.cpp b/Source/Core/InputCommon/ControllerInterface/SDL/SDL.cpp
index 71d75f786c..fd42b83b88 100644
--- a/Source/Core/InputCommon/ControllerInterface/SDL/SDL.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/SDL/SDL.cpp
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "InputCommon/ControllerInterface/SDL/SDL.h"
 
diff --git a/Source/Core/InputCommon/ControllerInterface/SDL/SDL.h b/Source/Core/InputCommon/ControllerInterface/SDL/SDL.h
index 38b6bf3cfb..7fbf7cf23e 100644
--- a/Source/Core/InputCommon/ControllerInterface/SDL/SDL.h
+++ b/Source/Core/InputCommon/ControllerInterface/SDL/SDL.h
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/Touch/ButtonManager.cpp b/Source/Core/InputCommon/ControllerInterface/Touch/ButtonManager.cpp
index a749f83a01..8b8412c932 100644
--- a/Source/Core/InputCommon/ControllerInterface/Touch/ButtonManager.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/Touch/ButtonManager.cpp
@@ -1,6 +1,5 @@
 // Copyright 2013 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <array>
 #include <sstream>
diff --git a/Source/Core/InputCommon/ControllerInterface/Touch/ButtonManager.h b/Source/Core/InputCommon/ControllerInterface/Touch/ButtonManager.h
index 13b52bb989..136d15915f 100644
--- a/Source/Core/InputCommon/ControllerInterface/Touch/ButtonManager.h
+++ b/Source/Core/InputCommon/ControllerInterface/Touch/ButtonManager.h
@@ -1,6 +1,5 @@
 // Copyright 2013 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/Touch/Touchscreen.cpp b/Source/Core/InputCommon/ControllerInterface/Touch/Touchscreen.cpp
index 5a885db375..ca98dbe040 100644
--- a/Source/Core/InputCommon/ControllerInterface/Touch/Touchscreen.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/Touch/Touchscreen.cpp
@@ -1,6 +1,5 @@
 // Copyright 2013 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifdef ANDROID
 #include <jni/AndroidCommon/IDCache.h>
diff --git a/Source/Core/InputCommon/ControllerInterface/Touch/Touchscreen.h b/Source/Core/InputCommon/ControllerInterface/Touch/Touchscreen.h
index a47f24ec6a..9d12df1a4c 100644
--- a/Source/Core/InputCommon/ControllerInterface/Touch/Touchscreen.h
+++ b/Source/Core/InputCommon/ControllerInterface/Touch/Touchscreen.h
@@ -1,6 +1,5 @@
 // Copyright 2008 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/Wiimote/WiimoteController.cpp b/Source/Core/InputCommon/ControllerInterface/Wiimote/WiimoteController.cpp
index 82e2cfedda..dbdf53fc92 100644
--- a/Source/Core/InputCommon/ControllerInterface/Wiimote/WiimoteController.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/Wiimote/WiimoteController.cpp
@@ -1,6 +1,5 @@
 // Copyright 2020 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "InputCommon/ControllerInterface/Wiimote/WiimoteController.h"
 
diff --git a/Source/Core/InputCommon/ControllerInterface/Wiimote/WiimoteController.h b/Source/Core/InputCommon/ControllerInterface/Wiimote/WiimoteController.h
index 4d93584a67..f650f68b46 100644
--- a/Source/Core/InputCommon/ControllerInterface/Wiimote/WiimoteController.h
+++ b/Source/Core/InputCommon/ControllerInterface/Wiimote/WiimoteController.h
@@ -1,6 +1,5 @@
 // Copyright 2020 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/Win32/Win32.cpp b/Source/Core/InputCommon/ControllerInterface/Win32/Win32.cpp
index 066c50a693..f1066cfa3c 100644
--- a/Source/Core/InputCommon/ControllerInterface/Win32/Win32.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/Win32/Win32.cpp
@@ -1,6 +1,5 @@
 // Copyright 2017 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "InputCommon/ControllerInterface/Win32/Win32.h"
 
diff --git a/Source/Core/InputCommon/ControllerInterface/Win32/Win32.h b/Source/Core/InputCommon/ControllerInterface/Win32/Win32.h
index 8d390022a4..c842b5c6b5 100644
--- a/Source/Core/InputCommon/ControllerInterface/Win32/Win32.h
+++ b/Source/Core/InputCommon/ControllerInterface/Win32/Win32.h
@@ -1,6 +1,5 @@
 // Copyright 2017 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
diff --git a/Source/Core/InputCommon/ControllerInterface/XInput/XInput.cpp b/Source/Core/InputCommon/ControllerInterface/XInput/XInput.cpp
index 875cce4730..82769cb4f4 100644
--- a/Source/Core/InputCommon/ControllerInterface/XInput/XInput.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/XInput/XInput.cpp
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "InputCommon/ControllerInterface/XInput/XInput.h"
 
diff --git a/Source/Core/InputCommon/ControllerInterface/XInput/XInput.h b/Source/Core/InputCommon/ControllerInterface/XInput/XInput.h
index 5417f350b5..bebb20cb4c 100644
--- a/Source/Core/InputCommon/ControllerInterface/XInput/XInput.h
+++ b/Source/Core/InputCommon/ControllerInterface/XInput/XInput.h
@@ -1,6 +1,5 @@
 // Copyright 2010 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 // XInput suffers a similar issue as XAudio2. Since Win8, it is part of the OS.
 // However, unlike XAudio2 they have not made the API incompatible - so we just
diff --git a/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.cpp b/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.cpp
index 996673becb..689b4fcf7b 100644
--- a/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.cpp
@@ -1,6 +1,5 @@
 // Copyright 2013 Max Eliaser
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wregister"
diff --git a/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.h b/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.h
index 71681a3e10..482bc37830 100644
--- a/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.h
+++ b/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.h
@@ -1,6 +1,5 @@
 // Copyright 2013 Max Eliaser
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 // See XInput2.cpp for extensive documentation.
 
diff --git a/Source/Core/InputCommon/ControllerInterface/evdev/evdev.cpp b/Source/Core/InputCommon/ControllerInterface/evdev/evdev.cpp
index cb13c65a1e..f4b83f2056 100644
--- a/Source/Core/InputCommon/ControllerInterface/evdev/evdev.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/evdev/evdev.cpp
@@ -1,6 +1,5 @@
 // Copyright 2015 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <algorithm>
 #include <cstring>
diff --git a/Source/Core/InputCommon/ControllerInterface/evdev/evdev.h b/Source/Core/InputCommon/ControllerInterface/evdev/evdev.h
index f37c7c78d0..fd497ad8b8 100644
--- a/Source/Core/InputCommon/ControllerInterface/evdev/evdev.h
+++ b/Source/Core/InputCommon/ControllerInterface/evdev/evdev.h
@@ -1,6 +1,5 @@
 // Copyright 2015 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once