diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index ae4adc2..dd68ce4 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -1,6 +1,4 @@
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
+# SPDX-License-Identifier: GPL-2.0+
 
 head-y := arch/microblaze/cpu/start.o
 
diff --git a/arch/microblaze/config.mk b/arch/microblaze/config.mk
index e7a3477..3c5866a 100644
--- a/arch/microblaze/config.mk
+++ b/arch/microblaze/config.mk
@@ -1,12 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # (C) Copyright 2007-2008 Michal Simek
 # Michal SIMEK <monstr@monstr.eu>
 #
 # (C) Copyright 2004 Atmark Techno, Inc.
 # Yasushi SHOJI <yashi@atmark-techno.com>
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
 
 ifeq ($(CROSS_COMPILE),)
 CROSS_COMPILE := mb-
diff --git a/arch/microblaze/cpu/Makefile b/arch/microblaze/cpu/Makefile
index 0697210..f7a83d0 100644
--- a/arch/microblaze/cpu/Makefile
+++ b/arch/microblaze/cpu/Makefile
@@ -1,9 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # (C) Copyright 2000-2006
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
 
 extra-y	= start.o
 obj-y	= irq.o
diff --git a/arch/microblaze/cpu/cache.c b/arch/microblaze/cpu/cache.c
index ddfa020..eebeb37 100644
--- a/arch/microblaze/cpu/cache.c
+++ b/arch/microblaze/cpu/cache.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2007 Michal Simek
  *
  * Michal SIMEK <monstr@monstr.eu>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/microblaze/cpu/exception.c b/arch/microblaze/cpu/exception.c
index aa34f45..bdcbe08 100644
--- a/arch/microblaze/cpu/exception.c
+++ b/arch/microblaze/cpu/exception.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2007 Michal Simek
  *
  * Michal  SIMEK <monstr@monstr.eu>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/microblaze/cpu/interrupts.c b/arch/microblaze/cpu/interrupts.c
index 010ca4a..aea612e 100644
--- a/arch/microblaze/cpu/interrupts.c
+++ b/arch/microblaze/cpu/interrupts.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2007 Michal Simek
  * (C) Copyright 2004 Atmark Techno, Inc.
  *
  * Michal  SIMEK <monstr@monstr.eu>
  * Yasushi SHOJI <yashi@atmark-techno.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/microblaze/cpu/irq.S b/arch/microblaze/cpu/irq.S
index 5cfe151..ff3e6af 100644
--- a/arch/microblaze/cpu/irq.S
+++ b/arch/microblaze/cpu/irq.S
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2007 Michal Simek
  *
  * Michal  SIMEK <monstr@monstr.eu>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <config.h>
diff --git a/arch/microblaze/cpu/spl.c b/arch/microblaze/cpu/spl.c
index 3407e36..d3c523d 100644
--- a/arch/microblaze/cpu/spl.c
+++ b/arch/microblaze/cpu/spl.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2013 - 2014 Xilinx, Inc
  *
  * Michal Simek <michal.simek@xilinx.com>
- *
- * SPDX-License-Identifier:     GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/microblaze/cpu/start.S b/arch/microblaze/cpu/start.S
index baf4f51..22903e3 100644
--- a/arch/microblaze/cpu/start.S
+++ b/arch/microblaze/cpu/start.S
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2007 Michal Simek
  * (C) Copyright 2004 Atmark Techno, Inc.
  *
  * Michal  SIMEK <monstr@monstr.eu>
  * Yasushi SHOJI <yashi@atmark-techno.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <asm-offsets.h>
diff --git a/arch/microblaze/cpu/timer.c b/arch/microblaze/cpu/timer.c
index 8845e07..ef22902 100644
--- a/arch/microblaze/cpu/timer.c
+++ b/arch/microblaze/cpu/timer.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2007 Michal Simek
  *
  * Michal  SIMEK <monstr@monstr.eu>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/microblaze/cpu/u-boot-spl.lds b/arch/microblaze/cpu/u-boot-spl.lds
index c60336c..99c62b5 100644
--- a/arch/microblaze/cpu/u-boot-spl.lds
+++ b/arch/microblaze/cpu/u-boot-spl.lds
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2013 - 2014 Xilinx, Inc
  *
  * Michal Simek <michal.simek@xilinx.com>
- *
- * SPDX-License-Identifier:     GPL-2.0+
  */
 
 #include <asm-offsets.h>
diff --git a/arch/microblaze/cpu/u-boot.lds b/arch/microblaze/cpu/u-boot.lds
index 2502a0d..9282643 100644
--- a/arch/microblaze/cpu/u-boot.lds
+++ b/arch/microblaze/cpu/u-boot.lds
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2004 Atmark Techno, Inc.
  *
  * Yasushi SHOJI <yashi@atmark-techno.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 OUTPUT_ARCH(microblaze)
diff --git a/arch/microblaze/dts/Makefile b/arch/microblaze/dts/Makefile
index f80d8fd..4690dc1 100644
--- a/arch/microblaze/dts/Makefile
+++ b/arch/microblaze/dts/Makefile
@@ -1,6 +1,4 @@
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
+# SPDX-License-Identifier: GPL-2.0+
 
 dtb-y += $(shell echo $(CONFIG_DEFAULT_DEVICE_TREE)).dtb
 
diff --git a/arch/microblaze/include/asm/asm.h b/arch/microblaze/include/asm/asm.h
index 94f0562..fb8fe38 100644
--- a/arch/microblaze/include/asm/asm.h
+++ b/arch/microblaze/include/asm/asm.h
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2007 Michal Simek
  *
  * Michal  SIMEK <monstr@monstr.eu>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /* FSL macros */
diff --git a/arch/microblaze/include/asm/cache.h b/arch/microblaze/include/asm/cache.h
index d02d57a..baee01a 100644
--- a/arch/microblaze/include/asm/cache.h
+++ b/arch/microblaze/include/asm/cache.h
@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (c) 2011 The Chromium OS Authors.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __MICROBLAZE_CACHE_H__
diff --git a/arch/microblaze/include/asm/config.h b/arch/microblaze/include/asm/config.h
index 4af408a..93a3fe8 100644
--- a/arch/microblaze/include/asm/config.h
+++ b/arch/microblaze/include/asm/config.h
@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright 2009 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef _ASM_CONFIG_H_
diff --git a/arch/microblaze/include/asm/global_data.h b/arch/microblaze/include/asm/global_data.h
index a0bab6e..05868ac 100644
--- a/arch/microblaze/include/asm/global_data.h
+++ b/arch/microblaze/include/asm/global_data.h
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2004 Atmark Techno, Inc.
  *
  * Yasushi SHOJI <yashi@atmark-techno.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef	__ASM_GBL_DATA_H
diff --git a/arch/microblaze/include/asm/microblaze_intc.h b/arch/microblaze/include/asm/microblaze_intc.h
index 6586838..b4e0fc6 100644
--- a/arch/microblaze/include/asm/microblaze_intc.h
+++ b/arch/microblaze/include/asm/microblaze_intc.h
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2007 Michal Simek
  *
  * Michal  SIMEK <monstr@monstr.cz>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 typedef volatile struct microblaze_intc_t {
diff --git a/arch/microblaze/include/asm/microblaze_timer.h b/arch/microblaze/include/asm/microblaze_timer.h
index 0d81402..2ed1651 100644
--- a/arch/microblaze/include/asm/microblaze_timer.h
+++ b/arch/microblaze/include/asm/microblaze_timer.h
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2007 Michal Simek
  *
  * Michal  SIMEK <monstr@monstr.cz>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #define TIMER_ENABLE_ALL    0x400 /* ENALL */
diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h
index 5afc8f9..16e0d0e 100644
--- a/arch/microblaze/include/asm/processor.h
+++ b/arch/microblaze/include/asm/processor.h
@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2011 Michal Simek <monstr@monstr.eu>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __ASM_MICROBLAZE_PROCESSOR_H
diff --git a/arch/microblaze/include/asm/sections.h b/arch/microblaze/include/asm/sections.h
index 506fc43..740783c 100644
--- a/arch/microblaze/include/asm/sections.h
+++ b/arch/microblaze/include/asm/sections.h
@@ -1,6 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (c) 2012 The Chromium OS Authors.
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __ASM_MICROBLAZE_SECTIONS_H
diff --git a/arch/microblaze/include/asm/spl.h b/arch/microblaze/include/asm/spl.h
index c1cae6c..350d283 100644
--- a/arch/microblaze/include/asm/spl.h
+++ b/arch/microblaze/include/asm/spl.h
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2013 - 2014 Xilinx, Inc
  *
  * Michal Simek <michal.simek@xilinx.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef _ASM_MICROBLAZE_SPL_H_
diff --git a/arch/microblaze/include/asm/u-boot.h b/arch/microblaze/include/asm/u-boot.h
index 66f8f95..a922122 100644
--- a/arch/microblaze/include/asm/u-boot.h
+++ b/arch/microblaze/include/asm/u-boot.h
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2004 Atmark Techno, Inc.
  *
  * Yasushi SHOJI <yashi@atmark-techno.com>
  *
- * SPDX-License-Identifier:	GPL-2.0+
- *
  ********************************************************************
  * NOTE: This header file defines an interface to U-Boot. Including
  * this (unmodified) header file in another file is considered normal
diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile
index 0289d0c..05f447a 100644
--- a/arch/microblaze/lib/Makefile
+++ b/arch/microblaze/lib/Makefile
@@ -1,9 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # (C) Copyright 2003-2006
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
 
 obj-$(CONFIG_CMD_BOOTM) += bootm.o
 obj-y	+= muldi3.o
diff --git a/arch/microblaze/lib/bootm.c b/arch/microblaze/lib/bootm.c
index 0be72f5..083a43c 100644
--- a/arch/microblaze/lib/bootm.c
+++ b/arch/microblaze/lib/bootm.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2007 Michal Simek
  * (C) Copyright 2004 Atmark Techno, Inc.
  *
  * Michal  SIMEK <monstr@monstr.eu>
  * Yasushi SHOJI <yashi@atmark-techno.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/microblaze/lib/muldi3.c b/arch/microblaze/lib/muldi3.c
index 95b6b32..05389bd 100644
--- a/arch/microblaze/lib/muldi3.c
+++ b/arch/microblaze/lib/muldi3.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * U-Boot - muldi3.c contains routines for mult and div
  *
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /* Generic function got from GNU gcc package, libgcc2.c */