tests: Replace license boilerplate with SPDX tags

Replace instances in tests of mostly LGPL-2.1 license boilerplate
with SPDX tags.

Signed-off-by: Rob Herring <robh@kernel.org>
Message-Id: <20190620211944.9378-5-robh@kernel.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

73 files changed, 73 insertions, 1056 deletions

diff --git a/tests/add_subnode_with_nops.c b/tests/add_subnode_with_nops.c
index 95ddf6a..29bd34b 100644
--- a/tests/add_subnode_with_nops.c
+++ b/tests/add_subnode_with_nops.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_nop_node()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/addr_size_cells.c b/tests/addr_size_cells.c
index 1b196ef..0d90d53 100644
--- a/tests/addr_size_cells.c
+++ b/tests/addr_size_cells.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for #address-cells and #size-cells handling
  * Copyright (C) 2014 David Gibson, <david@gibson.dropbear.id.au>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/addr_size_cells2.c b/tests/addr_size_cells2.c
index 52c4eba..d97541b 100644
--- a/tests/addr_size_cells2.c
+++ b/tests/addr_size_cells2.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for #address-cells and #size-cells handling
  * Copyright (C) 2014 David Gibson, <david@gibson.dropbear.id.au>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/appendprop1.c b/tests/appendprop1.c
index 9d6b3ad..a7b502a 100644
--- a/tests/appendprop1.c
+++ b/tests/appendprop1.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_appendprop()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/appendprop2.c b/tests/appendprop2.c
index ca1446c..a0c1f6f 100644
--- a/tests/appendprop2.c
+++ b/tests/appendprop2.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_appendprop()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/appendprop_addrrange.c b/tests/appendprop_addrrange.c
index b079fba..538afcf 100644
--- a/tests/appendprop_addrrange.c
+++ b/tests/appendprop_addrrange.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_appendprop_addrrange()
  * Copyright (C) 2018 AKASHI Takahiro, Linaro Limited
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/asm_tree_dump.c b/tests/asm_tree_dump.c
index bd12eda..8236172 100644
--- a/tests/asm_tree_dump.c
+++ b/tests/asm_tree_dump.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Tests if an asm tree built into a shared object matches a given dtb
  * Copyright (C) 2008 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/boot-cpuid.c b/tests/boot-cpuid.c
index ca39f4b..5ed4f9a 100644
--- a/tests/boot-cpuid.c
+++ b/tests/boot-cpuid.c
@@ -1,19 +1,6 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * Copyright (C) 2008 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/char_literal.c b/tests/char_literal.c
index da1f964..3a69e28 100644
--- a/tests/char_literal.c
+++ b/tests/char_literal.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for character literals in dtc
  * Copyright (C) 2006 David Gibson, IBM Corporation.
  * Copyright (C) 2011 The Chromium Authors. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/check_full.c b/tests/check_full.c
index 04c0bc1..b6d5fc3 100644
--- a/tests/check_full.c
+++ b/tests/check_full.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Tests if two given dtbs are structurally equal (including order)
  * Copyright (C) 2007 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/check_header.c b/tests/check_header.c
index 5e37813..ca26ec1 100644
--- a/tests/check_header.c
+++ b/tests/check_header.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_check_header
  * Copyright (C) 2018 David Gibson
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdio.h>
diff --git a/tests/check_path.c b/tests/check_path.c
index f12f950..cc9757a 100644
--- a/tests/check_path.c
+++ b/tests/check_path.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for node existence
  * Copyright (C) 2016 Konsulko Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdio.h>
diff --git a/tests/del_node.c b/tests/del_node.c
index 45cb060..10846df 100644
--- a/tests/del_node.c
+++ b/tests/del_node.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_nop_node()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/del_property.c b/tests/del_property.c
index 42fd7cb..37e8303 100644
--- a/tests/del_property.c
+++ b/tests/del_property.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_delprop()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/dtb_reverse.c b/tests/dtb_reverse.c
index 527fd71..95b6c1c 100644
--- a/tests/dtb_reverse.c
+++ b/tests/dtb_reverse.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Tests if two given dtbs are structurally equal (including order)
  * Copyright (C) 2010 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/dtbs_equal_ordered.c b/tests/dtbs_equal_ordered.c
index 98bf0e7..90c7344 100644
--- a/tests/dtbs_equal_ordered.c
+++ b/tests/dtbs_equal_ordered.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Tests if two given dtbs are structurally equal (including order)
  * Copyright (C) 2007 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/dtbs_equal_unordered.c b/tests/dtbs_equal_unordered.c
index 47baa84..e5ff9e8 100644
--- a/tests/dtbs_equal_unordered.c
+++ b/tests/dtbs_equal_unordered.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Tests if two given dtbs are structurally equal (including order)
  * Copyright (C) 2007 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/dumptrees.c b/tests/dumptrees.c
index ff5818d..b2f5b26 100644
--- a/tests/dumptrees.c
+++ b/tests/dumptrees.c
@@ -1,23 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * dumptrees - utility for libfdt testing
  *
  * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation.  2006.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
- *                                                                   USA
  */
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/tests/extra-terminating-null.c b/tests/extra-terminating-null.c
index dc1fe89..0fa2ca8 100644
--- a/tests/extra-terminating-null.c
+++ b/tests/extra-terminating-null.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for properties with more than one terminating null
  * Copyright (C) 2009 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/find_property.c b/tests/find_property.c
index 4dc3030..0404ea0 100644
--- a/tests/find_property.c
+++ b/tests/find_property.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_property_offset()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/fs_tree1.c b/tests/fs_tree1.c
index 5762465..dff3880 100644
--- a/tests/fs_tree1.c
+++ b/tests/fs_tree1.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase/tool constructing an fs tree for further test
  * Copyright (C) 2018 David Gibson, Red Hat Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/get_alias.c b/tests/get_alias.c
index 5060795..fb2c38c 100644
--- a/tests/get_alias.c
+++ b/tests/get_alias.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_get_alias()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/get_mem_rsv.c b/tests/get_mem_rsv.c
index 1812639..f977d19 100644
--- a/tests/get_mem_rsv.c
+++ b/tests/get_mem_rsv.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_get_mem_rsv() and fdt_num_mem_rsv()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/get_name.c b/tests/get_name.c
index c6ca9f9..5a35103 100644
--- a/tests/get_name.c
+++ b/tests/get_name.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_get_name()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/get_path.c b/tests/get_path.c
index 7701dba..7349898 100644
--- a/tests/get_path.c
+++ b/tests/get_path.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_get_path()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/get_phandle.c b/tests/get_phandle.c
index e97b49c..157b522 100644
--- a/tests/get_phandle.c
+++ b/tests/get_phandle.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_get_phandle()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdbool.h>
 #include <stdlib.h>
diff --git a/tests/get_prop_offset.c b/tests/get_prop_offset.c
index 3daef74..cff3c18 100644
--- a/tests/get_prop_offset.c
+++ b/tests/get_prop_offset.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_getprop_by_offset()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/getprop.c b/tests/getprop.c
index 6255bad..cccc8e2 100644
--- a/tests/getprop.c
+++ b/tests/getprop.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_getprop()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/incbin.c b/tests/incbin.c
index 4100ba0..fd02609 100644
--- a/tests/incbin.c
+++ b/tests/incbin.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for string escapes in dtc
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/integer-expressions.c b/tests/integer-expressions.c
index b0b2d8b..6f33d81 100644
--- a/tests/integer-expressions.c
+++ b/tests/integer-expressions.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * Testcase for dtc expression support
  *
  * Copyright (C) 2008 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/mangle-layout.c b/tests/mangle-layout.c
index ae01a55..59b1604 100644
--- a/tests/mangle-layout.c
+++ b/tests/mangle-layout.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase/tool for rearranging blocks of a dtb
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/move_and_save.c b/tests/move_and_save.c
index 393b60a..a89f8de 100644
--- a/tests/move_and_save.c
+++ b/tests/move_and_save.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Basic testcase for read-only access
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/node_check_compatible.c b/tests/node_check_compatible.c
index 486f9c6..81efe62 100644
--- a/tests/node_check_compatible.c
+++ b/tests/node_check_compatible.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_node_check_compatible()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/node_offset_by_compatible.c b/tests/node_offset_by_compatible.c
index f62b591..a9e6783 100644
--- a/tests/node_offset_by_compatible.c
+++ b/tests/node_offset_by_compatible.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_node_offset_by_compatible()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/node_offset_by_phandle.c b/tests/node_offset_by_phandle.c
index becff0f..60af78a 100644
--- a/tests/node_offset_by_phandle.c
+++ b/tests/node_offset_by_phandle.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_node_offset_by_phandle()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/node_offset_by_prop_value.c b/tests/node_offset_by_prop_value.c
index 286f1e7..48ab1d9 100644
--- a/tests/node_offset_by_prop_value.c
+++ b/tests/node_offset_by_prop_value.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_path_offset()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/nop_node.c b/tests/nop_node.c
index c316444..ee972d2 100644
--- a/tests/nop_node.c
+++ b/tests/nop_node.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_nop_node()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/nop_property.c b/tests/nop_property.c
index 644b0a6..6593828 100644
--- a/tests/nop_property.c
+++ b/tests/nop_property.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_nop_property()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/nopulate.c b/tests/nopulate.c
index 94ce8ad..2ae1753 100644
--- a/tests/nopulate.c
+++ b/tests/nopulate.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase/tool for rearranging blocks of a dtb
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/notfound.c b/tests/notfound.c
index dc623d6..70acbcd 100644
--- a/tests/notfound.c
+++ b/tests/notfound.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for behaviour on searching for a non-existent node
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/open_pack.c b/tests/open_pack.c
index 407ef6c..6ed4df7 100644
--- a/tests/open_pack.c
+++ b/tests/open_pack.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Basic testcase for read-only access
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/overlay.c b/tests/overlay.c
index 3093eec..91afa72 100644
--- a/tests/overlay.c
+++ b/tests/overlay.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for DT overlays()
  * Copyright (C) 2016 Free Electrons
  * Copyright (C) 2016 NextThing Co.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdio.h>
diff --git a/tests/overlay_bad_fixup.c b/tests/overlay_bad_fixup.c
index 5014f5e..029bc79 100644
--- a/tests/overlay_bad_fixup.c
+++ b/tests/overlay_bad_fixup.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for DT overlays()
  * Copyright (C) 2016 Free Electrons
  * Copyright (C) 2016 NextThing Co.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdio.h>
diff --git a/tests/parent_offset.c b/tests/parent_offset.c
index d4ab3cf..a935a53 100644
--- a/tests/parent_offset.c
+++ b/tests/parent_offset.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_parent_offset()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/path-references.c b/tests/path-references.c
index 5e332e8..4db61a5 100644
--- a/tests/path-references.c
+++ b/tests/path-references.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for string references in dtc
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/path_offset.c b/tests/path_offset.c
index bfebe9f..82527d4 100644
--- a/tests/path_offset.c
+++ b/tests/path_offset.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_path_offset()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/path_offset_aliases.c b/tests/path_offset_aliases.c
index 78d5a46..0112e72 100644
--- a/tests/path_offset_aliases.c
+++ b/tests/path_offset_aliases.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_path_offset()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
  * Copyright 2008 Kumar Gala, Freescale Semiconductor, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/phandle_format.c b/tests/phandle_format.c
index 5874ae7..d00618f 100644
--- a/tests/phandle_format.c
+++ b/tests/phandle_format.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for phandle format options
  * Copyright (C) 2009 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/property_iterate.c b/tests/property_iterate.c
index b5cedbe..9a67f49 100644
--- a/tests/property_iterate.c
+++ b/tests/property_iterate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Tests that fdt_next_subnode() works as expected
@@ -5,20 +6,6 @@
  * Copyright (C) 2013 Google, Inc
  *
  * Copyright (C) 2007 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/propname_escapes.c b/tests/propname_escapes.c
index e91bd99..3e41e63 100644
--- a/tests/propname_escapes.c
+++ b/tests/propname_escapes.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_getprop()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
  * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/pylibfdt_tests.py b/tests/pylibfdt_tests.py
index e6c13ff..c055f01 100644
--- a/tests/pylibfdt_tests.py
+++ b/tests/pylibfdt_tests.py
@@ -1,53 +1,8 @@
+# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
 # pylibfdt - Tests for Flat Device Tree manipulation in Python
 # Copyright (C) 2017 Google, Inc.
 # Written by Simon Glass <sjg@chromium.org>
 #
-# libfdt is dual licensed: you can use it either under the terms of
-# the GPL, or the BSD license, at your option.
-#
-#  a) This library is free software; you can redistribute it and/or
-#     modify it under the terms of the GNU General Public License as
-#     published by the Free Software Foundation; either version 2 of the
-#     License, or (at your option) any later version.
-#
-#     This library is distributed in the hope that it will be useful,
-#     but WITHOUT ANY WARRANTY; without even the implied warranty of
-#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#     GNU General Public License for more details.
-#
-#     You should have received a copy of the GNU General Public
-#     License along with this library; if not, write to the Free
-#     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
-#     MA 02110-1301 USA
-#
-# Alternatively,
-#
-#  b) Redistribution and use in source and binary forms, with or
-#     without modification, are permitted provided that the following
-#     conditions are met:
-#
-#     1. Redistributions of source code must retain the above
-#        copyright notice, this list of conditions and the following
-#        disclaimer.
-#     2. Redistributions in binary form must reproduce the above
-#        copyright notice, this list of conditions and the following
-#        disclaimer in the documentation and/or other materials
-#        provided with the distribution.
-#
-#     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-#     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-#     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-#     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-#     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
-#     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-#     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-#     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-#     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-#     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-#     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-#     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
-#     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
 
 import struct
 import sys
diff --git a/tests/references.c b/tests/references.c
index 5b233a4..d18e722 100644
--- a/tests/references.c
+++ b/tests/references.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for phandle references in dtc
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/root_node.c b/tests/root_node.c
index 58aebf6..37e6f05 100644
--- a/tests/root_node.c
+++ b/tests/root_node.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Basic testcase for read-only access
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/rw_oom.c b/tests/rw_oom.c
index 24bfe05..39fc312 100644
--- a/tests/rw_oom.c
+++ b/tests/rw_oom.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_nop_node()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/rw_tree1.c b/tests/rw_tree1.c
index efd4718..1fe2351 100644
--- a/tests/rw_tree1.c
+++ b/tests/rw_tree1.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_nop_node()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/set_name.c b/tests/set_name.c
index 9861587..a62cb58 100644
--- a/tests/set_name.c
+++ b/tests/set_name.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_set_name()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/setprop.c b/tests/setprop.c
index be1b147..fa3938d 100644
--- a/tests/setprop.c
+++ b/tests/setprop.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_setprop()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/setprop_inplace.c b/tests/setprop_inplace.c
index 80447a0..7e1198d 100644
--- a/tests/setprop_inplace.c
+++ b/tests/setprop_inplace.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_setprop_inplace()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <inttypes.h>
diff --git a/tests/sized_cells.c b/tests/sized_cells.c
index 0b2b8dc..9ca5a59 100644
--- a/tests/sized_cells.c
+++ b/tests/sized_cells.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for variable sized cells in dtc
  * Copyright (C) 2006 David Gibson, IBM Corporation.
  * Copyright (C) 2011 The Chromium Authors. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/string_escapes.c b/tests/string_escapes.c
index 8cdee4b..53c9dfc 100644
--- a/tests/string_escapes.c
+++ b/tests/string_escapes.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for string escapes in dtc
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/stringlist.c b/tests/stringlist.c
index 23cfece..bbc3020 100644
--- a/tests/stringlist.c
+++ b/tests/stringlist.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for string handling
  * Copyright (C) 2015 NVIDIA Corporation
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/subnode_iterate.c b/tests/subnode_iterate.c
index 7be5706..2dc9b2d 100644
--- a/tests/subnode_iterate.c
+++ b/tests/subnode_iterate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Tests that fdt_next_subnode() works as expected
@@ -5,20 +6,6 @@
  * Copyright (C) 2013 Google, Inc
  *
  * Copyright (C) 2007 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/subnode_offset.c b/tests/subnode_offset.c
index 231fcb5..1362f99 100644
--- a/tests/subnode_offset.c
+++ b/tests/subnode_offset.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_subnode_offset()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/supernode_atdepth_offset.c b/tests/supernode_atdepth_offset.c
index 43e120d..4435b49 100644
--- a/tests/supernode_atdepth_offset.c
+++ b/tests/supernode_atdepth_offset.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_supernode_atdepth_offset()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/tests/sw_states.c b/tests/sw_states.c
index 2fd471d..42d57ae 100644
--- a/tests/sw_states.c
+++ b/tests/sw_states.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for error handling with sequential write states
  * Copyright (C) 2018 David Gibson, Red Hat Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/sw_tree1.c b/tests/sw_tree1.c
index 08b39b3..7069ace 100644
--- a/tests/sw_tree1.c
+++ b/tests/sw_tree1.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for fdt_nop_node()
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/tests.h b/tests/tests.h
index 75735d6..1017366 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -1,23 +1,10 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 #ifndef TESTS_H
 #define TESTS_H
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase definitions
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #define DEBUG
diff --git a/tests/testutils.c b/tests/testutils.c
index 24bd81e..5e494c5 100644
--- a/tests/testutils.c
+++ b/tests/testutils.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase common utility functions
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #define _GNU_SOURCE /* for strsignal() in glibc.  FreeBSD has it either way */
diff --git a/tests/truncated_memrsv.c b/tests/truncated_memrsv.c
index 82d0198..d78036c 100644
--- a/tests/truncated_memrsv.c
+++ b/tests/truncated_memrsv.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for misbehaviour on a truncated string
  * Copyright (C) 2018 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/truncated_property.c b/tests/truncated_property.c
index f4b6770..d9d52b2 100644
--- a/tests/truncated_property.c
+++ b/tests/truncated_property.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for misbehaviour on a truncated property
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/truncated_string.c b/tests/truncated_string.c
index 5365f69..d745414 100644
--- a/tests/truncated_string.c
+++ b/tests/truncated_string.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Testcase for misbehaviour on a truncated string
  * Copyright (C) 2018 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>
diff --git a/tests/utilfdt_test.c b/tests/utilfdt_test.c
index 274c3d6..c621759 100644
--- a/tests/utilfdt_test.c
+++ b/tests/utilfdt_test.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * Copyright 2011 The Chromium Authors, All Rights Reserved.
  *
  * utilfdt_test - Tests for utilfdt library
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include <assert.h>
 #include <stdlib.h>
diff --git a/tests/value-labels.c b/tests/value-labels.c
index 8aced74..e318357 100644
--- a/tests/value-labels.c
+++ b/tests/value-labels.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  * libfdt - Flat Device Tree manipulation
  *	Test labels within values
  * Copyright (C) 2008 David Gibson, IBM Corporation.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdlib.h>