[BlueZ,V4,RESEND,16/20] src: Add SPDX License Identifier

diff --git a/src/adapter.c b/src/adapter.c
index b2bd8b3f1..c0053000a 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/adapter.h b/src/adapter.h
index b4d872b15..dcc574857 100644
--- a/src/adapter.h
+++ b/src/adapter.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #include <stdbool.h>
diff --git a/src/adv_monitor.c b/src/adv_monitor.c
index 737da1c90..e441a5566 100644
--- a/src/adv_monitor.c
+++ b/src/adv_monitor.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,16 +6,6 @@ 
  *  Copyright (C) 2020 Google LLC
  *
  *
- *  This program 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 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
- *  Lesser General Public License for more details.
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/adv_monitor.h b/src/adv_monitor.h
index 69ea348f8..5cb372217 100644
--- a/src/adv_monitor.h
+++ b/src/adv_monitor.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,16 +6,6 @@ 
  *  Copyright (C) 2020 Google LLC
  *
  *
- *  This program 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 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
- *  Lesser General Public License for more details.
- *
  */
 
 #ifndef __ADV_MONITOR_H
diff --git a/src/advertising.c b/src/advertising.c
index e5f25948d..c03869e50 100644
--- a/src/advertising.c
+++ b/src/advertising.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,16 +6,6 @@ 
  *  Copyright (C) 2015  Google Inc.
  *
  *
- *  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.
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/advertising.h b/src/advertising.h
index 50d86674b..0e31a277b 100644
--- a/src/advertising.h
+++ b/src/advertising.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,16 +6,6 @@ 
  *  Copyright (C) 2015  Google Inc.
  *
  *
- *  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.
- *
  */
 
 struct btd_adapter;
diff --git a/src/agent.c b/src/agent.c
index e0ffcd22f..770a63838 100644
--- a/src/agent.c
+++ b/src/agent.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/agent.h b/src/agent.h
index 1438b9e6d..bd0502030 100644
--- a/src/agent.h
+++ b/src/agent.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #define IO_CAPABILITY_DISPLAYONLY	0x00
diff --git a/src/attrib-server.c b/src/attrib-server.c
index 7c15a4e8f..91a10b274 100644
--- a/src/attrib-server.c
+++ b/src/attrib-server.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@ 
  *  Copyright (C) 2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/attrib-server.h b/src/attrib-server.h
index 063cb6621..7cdbe3b96 100644
--- a/src/attrib-server.h
+++ b/src/attrib-server.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@ 
  *  Copyright (C) 2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 uint16_t attrib_db_find_avail(struct btd_adapter *adapter, bt_uuid_t *svc_uuid,
diff --git a/src/backtrace.c b/src/backtrace.c
index c43873354..50f71e88a 100644
--- a/src/backtrace.c
+++ b/src/backtrace.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/backtrace.h b/src/backtrace.h
index b3eef6dd9..d6a1dab5b 100644
--- a/src/backtrace.h
+++ b/src/backtrace.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #include <stdint.h>
diff --git a/src/dbus-common.c b/src/dbus-common.c
index 6e2097a2d..384f27700 100644
--- a/src/dbus-common.c
+++ b/src/dbus-common.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -7,20 +8,6 @@ 
  *  Copyright (C) 2005-2007  Johan Hedberg <johan.hedberg@nokia.com>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/dbus-common.h b/src/dbus-common.h
index fbf4acd28..11c64cc77 100644
--- a/src/dbus-common.h
+++ b/src/dbus-common.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /* *
  *  BlueZ - Bluetooth protocol stack for Linux
  *
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 void dict_append_entry(DBusMessageIter *dict,
diff --git a/src/device.c b/src/device.c
index 3e7784034..a4b5968d4 100644
--- a/src/device.c
+++ b/src/device.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/device.h b/src/device.h
index 3cd090786..4ae9abe0d 100644
--- a/src/device.h
+++ b/src/device.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #define DEVICE_INTERFACE	"org.bluez.Device1"
diff --git a/src/eir.c b/src/eir.c
index fa52a2bd8..0f5d14fcd 100644
--- a/src/eir.c
+++ b/src/eir.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@ 
  *  Copyright (C) 2011  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/eir.h b/src/eir.h
index c868177a6..6154e23ec 100644
--- a/src/eir.h
+++ b/src/eir.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@ 
  *  Copyright (C) 2011  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #include <glib.h>
diff --git a/src/error.c b/src/error.c
index 89517075e..dd85cd288 100644
--- a/src/error.c
+++ b/src/error.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -7,20 +8,6 @@ 
  *  Copyright (C) 2007-2008  Fabien Chevalier <fabchevalier@free.fr>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/error.h b/src/error.h
index 7c8cad066..7fcddaf4a 100644
--- a/src/error.h
+++ b/src/error.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -7,20 +8,6 @@ 
  *  Copyright (C) 2007-2008  Fabien Chevalier <fabchevalier@free.fr>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #include <dbus/dbus.h>
diff --git a/src/gatt-client.c b/src/gatt-client.c
index c706307c7..38b0b5170 100644
--- a/src/gatt-client.c
+++ b/src/gatt-client.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,16 +6,6 @@ 
  *  Copyright (C) 2014  Google Inc.
  *
  *
- *  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.
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/gatt-client.h b/src/gatt-client.h
index 92a925546..b6539207e 100644
--- a/src/gatt-client.h
+++ b/src/gatt-client.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,16 +6,6 @@ 
  *  Copyright (C) 2014  Google Inc.
  *
  *
- *  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.
- *
  */
 
 struct btd_gatt_client;
diff --git a/src/gatt-database.c b/src/gatt-database.c
index e7e4a36a6..2b22add88 100644
--- a/src/gatt-database.c
+++ b/src/gatt-database.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,16 +6,6 @@ 
  *  Copyright (C) 2015  Google Inc.
  *
  *
- *  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.
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/gatt-database.h b/src/gatt-database.h
index 154d3243f..30ae68e7e 100644
--- a/src/gatt-database.h
+++ b/src/gatt-database.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,16 +6,6 @@ 
  *  Copyright (C) 2015  Google Inc.
  *
  *
- *  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.
- *
  */
 
 struct btd_gatt_database;
diff --git a/src/hcid.h b/src/hcid.h
index 3624ba6ea..95d4b9665 100644
--- a/src/hcid.h
+++ b/src/hcid.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -7,20 +8,6 @@ 
  *  Copyright (C) 2002-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 typedef enum {
diff --git a/src/log.c b/src/log.c
index a42c5941d..0155a6bba 100644
--- a/src/log.c
+++ b/src/log.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/log.h b/src/log.h
index e83431151..74941beb2 100644
--- a/src/log.h
+++ b/src/log.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #include <stdint.h>
diff --git a/src/main.c b/src/main.c
index 038f867b5..77be77668 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -7,20 +8,6 @@ 
  *  Copyright (C) 2002-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/oui.c b/src/oui.c
index 8059c0a89..c434f416f 100644
--- a/src/oui.c
+++ b/src/oui.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/oui.h b/src/oui.h
index 2ddc27fef..bde933f4c 100644
--- a/src/oui.h
+++ b/src/oui.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 char *batocomp(const bdaddr_t *ba);
diff --git a/src/plugin.c b/src/plugin.c
index 39310a7db..6fe394f5f 100644
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/plugin.h b/src/plugin.h
index 89c7b8515..a5f92a557 100644
--- a/src/plugin.h
+++ b/src/plugin.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 #define BLUETOOTH_PLUGIN_PRIORITY_LOW      -100
 #define BLUETOOTH_PLUGIN_PRIORITY_DEFAULT     0
diff --git a/src/profile.c b/src/profile.c
index 6961a107b..5e460b639 100644
--- a/src/profile.c
+++ b/src/profile.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012  Intel Corporation. All rights reserved.
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/profile.h b/src/profile.h
index 95523e50a..6827f8481 100644
--- a/src/profile.h
+++ b/src/profile.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012  Intel Corporation. All rights reserved.
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #define BTD_PROFILE_PRIORITY_LOW	0
diff --git a/src/rfkill.c b/src/rfkill.c
index fb2d11306..6309a7768 100644
--- a/src/rfkill.c
+++ b/src/rfkill.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/sdp-client.c b/src/sdp-client.c
index b92a083af..55f5bc323 100644
--- a/src/sdp-client.c
+++ b/src/sdp-client.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2011  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/sdp-client.h b/src/sdp-client.h
index 3a7212fd2..9ad182e37 100644
--- a/src/sdp-client.h
+++ b/src/sdp-client.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 typedef void (*bt_callback_t) (sdp_list_t *recs, int err, gpointer user_data);
diff --git a/src/sdp-xml.c b/src/sdp-xml.c
index 6f831737d..5efa62ab8 100644
--- a/src/sdp-xml.c
+++ b/src/sdp-xml.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2005-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/sdp-xml.h b/src/sdp-xml.h
index 80a4f446d..d9cdbccc4 100644
--- a/src/sdp-xml.h
+++ b/src/sdp-xml.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2005-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 void convert_sdp_record_to_xml(sdp_record_t *rec,
diff --git a/src/sdpd-database.c b/src/sdpd-database.c
index 843b6d02b..35617abec 100644
--- a/src/sdpd-database.c
+++ b/src/sdpd-database.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -8,20 +9,6 @@ 
  *  Copyright (C) 2002-2003  Stephen Crane <steve.crane@rococosoft.com>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/sdpd-request.c b/src/sdpd-request.c
index deaed266f..033d1e5bf 100644
--- a/src/sdpd-request.c
+++ b/src/sdpd-request.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -8,20 +9,6 @@ 
  *  Copyright (C) 2002-2003  Stephen Crane <steve.crane@rococosoft.com>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/sdpd-server.c b/src/sdpd-server.c
index ef35309ce..dfd8b1f00 100644
--- a/src/sdpd-server.c
+++ b/src/sdpd-server.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -8,20 +9,6 @@ 
  *  Copyright (C) 2002-2003  Stephen Crane <steve.crane@rococosoft.com>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/sdpd-service.c b/src/sdpd-service.c
index c3ee3eb48..012438558 100644
--- a/src/sdpd-service.c
+++ b/src/sdpd-service.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -8,20 +9,6 @@ 
  *  Copyright (C) 2002-2003  Stephen Crane <steve.crane@rococosoft.com>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/sdpd.h b/src/sdpd.h
index 49cd98a2b..257411f03 100644
--- a/src/sdpd.h
+++ b/src/sdpd.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -8,20 +9,6 @@ 
  *  Copyright (C) 2002-2003  Stephen Crane <steve.crane@rococosoft.com>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef SDP_DEBUG
diff --git a/src/service.c b/src/service.c
index e4d747a6e..d810fc3b0 100644
--- a/src/service.c
+++ b/src/service.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2013  BMW Car IT GmbH. All rights reserved.
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/service.h b/src/service.h
index 6f1edfb8f..88530cc17 100644
--- a/src/service.h
+++ b/src/service.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2013  BMW Car IT GmbH. All rights reserved.
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 typedef enum {
diff --git a/src/shared/ad.c b/src/shared/ad.c
index 14a2709b1..a34d7a147 100644
--- a/src/shared/ad.c
+++ b/src/shared/ad.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2015  Google 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/ad.h b/src/shared/ad.h
index 17e3b631b..83eacab66 100644
--- a/src/shared/ad.h
+++ b/src/shared/ad.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2015  Google 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 <inttypes.h>
diff --git a/src/shared/att-types.h b/src/shared/att-types.h
index 99b108990..7108b4e94 100644
--- a/src/shared/att-types.h
+++ b/src/shared/att-types.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2014  Google 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 <stdint.h>
diff --git a/src/shared/att.c b/src/shared/att.c
index 58f23dfcb..429ba6696 100644
--- a/src/shared/att.c
+++ b/src/shared/att.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2014  Google 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/att.h b/src/shared/att.h
index ed20bb5b8..1938fc724 100644
--- a/src/shared/att.h
+++ b/src/shared/att.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2014  Google 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 <stdbool.h>
diff --git a/src/shared/btp.c b/src/shared/btp.c
index 7eea241a2..e54eb830f 100644
--- a/src/shared/btp.c
+++ b/src/shared/btp.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2017  Intel 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 <stdbool.h>
diff --git a/src/shared/btp.h b/src/shared/btp.h
index cc71a71df..a99fdf075 100644
--- a/src/shared/btp.h
+++ b/src/shared/btp.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2017  Intel 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 <stdbool.h>
diff --git a/src/shared/btsnoop.c b/src/shared/btsnoop.c
index f0d074743..e2b3747e3 100644
--- a/src/shared/btsnoop.c
+++ b/src/shared/btsnoop.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/btsnoop.h b/src/shared/btsnoop.h
index 5fb084aa2..80f0d5d82 100644
--- a/src/shared/btsnoop.h
+++ b/src/shared/btsnoop.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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 <stdint.h>
diff --git a/src/shared/crypto.c b/src/shared/crypto.c
index 5cc88ce4a..6d14903e4 100644
--- a/src/shared/crypto.c
+++ b/src/shared/crypto.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/crypto.h b/src/shared/crypto.h
index d17daa835..356326d75 100644
--- a/src/shared/crypto.h
+++ b/src/shared/crypto.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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 <stdbool.h>
diff --git a/src/shared/ecc.c b/src/shared/ecc.c
index 1b45e0d0a..adaae2082 100644
--- a/src/shared/ecc.c
+++ b/src/shared/ecc.c
@@ -1,27 +1,8 @@ 
+// SPDX-License-Identifier: BSD-2-Clause
 /*
  * Copyright (c) 2013, Kenneth MacKay
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *  * Redistributions of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- *  * 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
- * HOLDER 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.
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/ecc.h b/src/shared/ecc.h
index 8c15e4ee8..5d7b25d75 100644
--- a/src/shared/ecc.h
+++ b/src/shared/ecc.h
@@ -1,27 +1,8 @@ 
+/* SPDX-License-Identifier: BSD-2-Clause */
 /*
  * Copyright (c) 2013, Kenneth MacKay
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *  * Redistributions of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- *  * 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
- * HOLDER 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.
  */
 
 #include <stdbool.h>
diff --git a/src/shared/gap.c b/src/shared/gap.c
index 0b8d073c5..6fb1b7b69 100644
--- a/src/shared/gap.c
+++ b/src/shared/gap.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/gap.h b/src/shared/gap.h
index 52c264a8e..4a75d26e4 100644
--- a/src/shared/gap.h
+++ b/src/shared/gap.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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 <stdbool.h>
diff --git a/src/shared/gatt-client.c b/src/shared/gatt-client.c
index f15466673..8becf1c6c 100644
--- a/src/shared/gatt-client.c
+++ b/src/shared/gatt-client.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2014  Google 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/gatt-client.h b/src/shared/gatt-client.h
index 10900168b..dc5102394 100644
--- a/src/shared/gatt-client.h
+++ b/src/shared/gatt-client.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2014  Google 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 <stdbool.h>
diff --git a/src/shared/gatt-db.c b/src/shared/gatt-db.c
index e939ddc3a..54e64d0e0 100644
--- a/src/shared/gatt-db.c
+++ b/src/shared/gatt-db.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/gatt-db.h b/src/shared/gatt-db.h
index 5bf19d302..a0da33065 100644
--- a/src/shared/gatt-db.h
+++ b/src/shared/gatt-db.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2014  Intel 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
- *
  */
 
 struct gatt_db;
diff --git a/src/shared/gatt-helpers.c b/src/shared/gatt-helpers.c
index 6b39bb161..50fcb269b 100644
--- a/src/shared/gatt-helpers.c
+++ b/src/shared/gatt-helpers.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2014  Google 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
- *
  */
 
 
diff --git a/src/shared/gatt-helpers.h b/src/shared/gatt-helpers.h
index dd9dd1c44..7623862e9 100644
--- a/src/shared/gatt-helpers.h
+++ b/src/shared/gatt-helpers.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2014  Google 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
- *
  */
 
 /* This file defines helpers for performing client-side procedures defined by
diff --git a/src/shared/gatt-server.c b/src/shared/gatt-server.c
index 28ac2d68d..0ce994be3 100644
--- a/src/shared/gatt-server.c
+++ b/src/shared/gatt-server.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2014  Google 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/gatt-server.h b/src/shared/gatt-server.h
index a2492d275..de98a0d04 100644
--- a/src/shared/gatt-server.h
+++ b/src/shared/gatt-server.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2014  Google 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 <stdint.h>
diff --git a/src/shared/hci-crypto.c b/src/shared/hci-crypto.c
index f7507472b..5e6dd3e20 100644
--- a/src/shared/hci-crypto.c
+++ b/src/shared/hci-crypto.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2013-2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/hci-crypto.h b/src/shared/hci-crypto.h
index b090c2410..d10812bdc 100644
--- a/src/shared/hci-crypto.h
+++ b/src/shared/hci-crypto.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2013-2014  Intel 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>
diff --git a/src/shared/hci.c b/src/shared/hci.c
index 262e93d5a..f741a2bf5 100644
--- a/src/shared/hci.c
+++ b/src/shared/hci.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/hci.h b/src/shared/hci.h
index dba0f11db..9298442e5 100644
--- a/src/shared/hci.h
+++ b/src/shared/hci.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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 <stdbool.h>
diff --git a/src/shared/hfp.c b/src/shared/hfp.c
index f4747b4ca..f41c70dfe 100644
--- a/src/shared/hfp.c
+++ b/src/shared/hfp.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/hfp.h b/src/shared/hfp.h
index 2eb783849..1fb3ee8d3 100644
--- a/src/shared/hfp.h
+++ b/src/shared/hfp.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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 <stdbool.h>
diff --git a/src/shared/io-ell.c b/src/shared/io-ell.c
index 6748982c7..c4a115478 100644
--- a/src/shared/io-ell.c
+++ b/src/shared/io-ell.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2018  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/io-glib.c b/src/shared/io-glib.c
index d62de4e10..754043db1 100644
--- a/src/shared/io-glib.c
+++ b/src/shared/io-glib.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/io-mainloop.c b/src/shared/io-mainloop.c
index 2306c3479..ad461843c 100644
--- a/src/shared/io-mainloop.c
+++ b/src/shared/io-mainloop.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/io.h b/src/shared/io.h
index 8bc1111d0..bad899ff7 100644
--- a/src/shared/io.h
+++ b/src/shared/io.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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 <stdbool.h>
diff --git a/src/shared/log.c b/src/shared/log.c
index 7c8b71220..3f18e803d 100644
--- a/src/shared/log.c
+++ b/src/shared/log.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2018  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/log.h b/src/shared/log.h
index c72ab735b..4a8bd4b6e 100644
--- a/src/shared/log.h
+++ b/src/shared/log.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2018  Intel 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
- *
  */
 
 int bt_log_open(void);
diff --git a/src/shared/mainloop-ell.c b/src/shared/mainloop-ell.c
index 63e254ac6..5cc0311c2 100644
--- a/src/shared/mainloop-ell.c
+++ b/src/shared/mainloop-ell.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,17 +6,6 @@ 
  *  Copyright (C) 2019  Intel 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.
- *
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/mainloop-glib.c b/src/shared/mainloop-glib.c
index 2508a1fb2..7d4b057bf 100644
--- a/src/shared/mainloop-glib.c
+++ b/src/shared/mainloop-glib.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2018  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/mainloop-notify.c b/src/shared/mainloop-notify.c
index 1de714a0e..33be3cf8d 100644
--- a/src/shared/mainloop-notify.c
+++ b/src/shared/mainloop-notify.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2018  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/mainloop-notify.h b/src/shared/mainloop-notify.h
index 721b5fbed..c2cf34c44 100644
--- a/src/shared/mainloop-notify.h
+++ b/src/shared/mainloop-notify.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2018  Intel 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
- *
  */
 
 void mainloop_notify_init(void);
diff --git a/src/shared/mainloop.c b/src/shared/mainloop.c
index 8a8e2c022..b71707cae 100644
--- a/src/shared/mainloop.c
+++ b/src/shared/mainloop.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@ 
  *  Copyright (C) 2002-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/mainloop.h b/src/shared/mainloop.h
index 1ede62797..fb02dd341 100644
--- a/src/shared/mainloop.h
+++ b/src/shared/mainloop.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@ 
  *  Copyright (C) 2002-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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 <signal.h>
diff --git a/src/shared/mgmt.c b/src/shared/mgmt.c
index 277e361a6..b327b4088 100644
--- a/src/shared/mgmt.c
+++ b/src/shared/mgmt.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/mgmt.h b/src/shared/mgmt.h
index 7caeb3844..6608faa7e 100644
--- a/src/shared/mgmt.h
+++ b/src/shared/mgmt.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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 <stdbool.h>
diff --git a/src/shared/pcap.c b/src/shared/pcap.c
index 0d887e24c..2596a498e 100644
--- a/src/shared/pcap.c
+++ b/src/shared/pcap.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/pcap.h b/src/shared/pcap.h
index b47de62e8..936c3b145 100644
--- a/src/shared/pcap.h
+++ b/src/shared/pcap.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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 <stdint.h>
diff --git a/src/shared/queue.c b/src/shared/queue.c
index 60df11143..0b53b5b79 100644
--- a/src/shared/queue.c
+++ b/src/shared/queue.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/queue.h b/src/shared/queue.h
index 8cd817cc0..122f4eaa6 100644
--- a/src/shared/queue.h
+++ b/src/shared/queue.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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 <stdbool.h>
diff --git a/src/shared/ringbuf.c b/src/shared/ringbuf.c
index 8cf0b5b19..3dc7ed71b 100644
--- a/src/shared/ringbuf.c
+++ b/src/shared/ringbuf.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/ringbuf.h b/src/shared/ringbuf.h
index adf471a43..ee30ff430 100644
--- a/src/shared/ringbuf.h
+++ b/src/shared/ringbuf.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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/src/shared/shell.c b/src/shared/shell.c
index d58e2d7d1..c0de1640d 100644
--- a/src/shared/shell.c
+++ b/src/shared/shell.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2017  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/shell.h b/src/shared/shell.h
index e14d58381..415194a40 100644
--- a/src/shared/shell.h
+++ b/src/shared/shell.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2017  Intel 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 <getopt.h>
 
diff --git a/src/shared/tester.c b/src/shared/tester.c
index 62e5c1aae..bd42c8bad 100644
--- a/src/shared/tester.c
+++ b/src/shared/tester.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/tester.h b/src/shared/tester.h
index 96e8dc901..a304d89fe 100644
--- a/src/shared/tester.h
+++ b/src/shared/tester.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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 <stdbool.h>
diff --git a/src/shared/timeout-ell.c b/src/shared/timeout-ell.c
index 8419d4617..c2da387e2 100644
--- a/src/shared/timeout-ell.c
+++ b/src/shared/timeout-ell.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,16 +6,6 @@ 
  *  Copyright (C) 2019  Intel 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.
- *
  */
 
 #include <ell/ell.h>
diff --git a/src/shared/timeout-glib.c b/src/shared/timeout-glib.c
index fd71ca430..8bdb7a662 100644
--- a/src/shared/timeout-glib.c
+++ b/src/shared/timeout-glib.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,16 +6,6 @@ 
  *  Copyright (C) 2014  Intel 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.
- *
  */
 
 #include "timeout.h"
diff --git a/src/shared/timeout-mainloop.c b/src/shared/timeout-mainloop.c
index 971124a2e..5ffa65c2a 100644
--- a/src/shared/timeout-mainloop.c
+++ b/src/shared/timeout-mainloop.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,16 +6,6 @@ 
  *  Copyright (C) 2014  Intel 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.
- *
  */
 
 #include <stdlib.h>
diff --git a/src/shared/timeout.h b/src/shared/timeout.h
index 4930ce162..7e22345dd 100644
--- a/src/shared/timeout.h
+++ b/src/shared/timeout.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,16 +6,6 @@ 
  *  Copyright (C) 2014  Intel 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.
- *
  */
 
 #include <stdbool.h>
diff --git a/src/shared/tty.h b/src/shared/tty.h
index 66ec09f31..3392f9ba6 100644
--- a/src/shared/tty.h
+++ b/src/shared/tty.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2016  Intel 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 <termios.h>
diff --git a/src/shared/uhid.c b/src/shared/uhid.c
index 71a4e04ba..1f15443cd 100644
--- a/src/shared/uhid.c
+++ b/src/shared/uhid.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/uhid.h b/src/shared/uhid.h
index dbdca852d..839809d9a 100644
--- a/src/shared/uhid.h
+++ b/src/shared/uhid.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2014  Intel 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 <stdbool.h>
diff --git a/src/shared/util.c b/src/shared/util.c
index 4ecf31a03..525302164 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/shared/util.h b/src/shared/util.h
index 9193068d1..8a920bc12 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2012-2014  Intel 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 <stdint.h>
diff --git a/src/storage.c b/src/storage.c
index 8cbb5b270..d819c2c1e 100644
--- a/src/storage.c
+++ b/src/storage.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/storage.h b/src/storage.h
index 1c0ad57ec..011916671 100644
--- a/src/storage.h
+++ b/src/storage.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2002-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 int read_discoverable_timeout(const char *src, int *timeout);
diff --git a/src/textfile.c b/src/textfile.c
index 371651bd8..7dd62392b 100644
--- a/src/textfile.c
+++ b/src/textfile.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/textfile.h b/src/textfile.h
index f01629e43..b4e2e0248 100644
--- a/src/textfile.h
+++ b/src/textfile.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 int create_file(const char *filename, const mode_t mode);
diff --git a/src/uinput.h b/src/uinput.h
index 20e0941d1..75d791bc6 100644
--- a/src/uinput.h
+++ b/src/uinput.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2003-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifndef __UINPUT_H
diff --git a/src/uuid-helper.c b/src/uuid-helper.c
index 2c897d86c..b62b1af82 100644
--- a/src/uuid-helper.c
+++ b/src/uuid-helper.c
@@ -1,3 +1,4 @@ 
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/src/uuid-helper.h b/src/uuid-helper.h
index c0d7f9eec..0b99098c8 100644
--- a/src/uuid-helper.h
+++ b/src/uuid-helper.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@ 
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 char *bt_modalias(uint16_t source, uint16_t vendor,