summaryrefslogtreecommitdiff
path: root/drivers/macintosh
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/macintosh')
-rw-r--r--drivers/macintosh/Kconfig1
-rw-r--r--drivers/macintosh/ams/Makefile1
-rw-r--r--drivers/macintosh/ams/ams-core.c15
-rw-r--r--drivers/macintosh/ams/ams-i2c.c6
-rw-r--r--drivers/macintosh/ams/ams-input.c6
-rw-r--r--drivers/macintosh/ams/ams-pmu.c6
-rw-r--r--drivers/macintosh/apm_emu.c13
-rw-r--r--drivers/macintosh/mac_hid.c1
-rw-r--r--drivers/macintosh/macio_asic.c6
-rw-r--r--drivers/macintosh/mediabay.c6
-rw-r--r--drivers/macintosh/rack-meter.c4
-rw-r--r--drivers/macintosh/smu.c3
-rw-r--r--drivers/macintosh/therm_adt746x.c1
-rw-r--r--drivers/macintosh/windfarm.h3
-rw-r--r--drivers/macintosh/windfarm_ad7417_sensor.c3
-rw-r--r--drivers/macintosh/windfarm_core.c3
-rw-r--r--drivers/macintosh/windfarm_cpufreq_clamp.c1
-rw-r--r--drivers/macintosh/windfarm_fcu_controls.c3
-rw-r--r--drivers/macintosh/windfarm_lm75_sensor.c3
-rw-r--r--drivers/macintosh/windfarm_lm87_sensor.c4
-rw-r--r--drivers/macintosh/windfarm_max6690_sensor.c3
-rw-r--r--drivers/macintosh/windfarm_mpu.h3
-rw-r--r--drivers/macintosh/windfarm_pid.c3
-rw-r--r--drivers/macintosh/windfarm_pid.h3
-rw-r--r--drivers/macintosh/windfarm_pm112.c3
-rw-r--r--drivers/macintosh/windfarm_pm121.c13
-rw-r--r--drivers/macintosh/windfarm_pm72.c3
-rw-r--r--drivers/macintosh/windfarm_pm81.c4
-rw-r--r--drivers/macintosh/windfarm_pm91.c3
-rw-r--r--drivers/macintosh/windfarm_rm31.c3
-rw-r--r--drivers/macintosh/windfarm_smu_controls.c3
-rw-r--r--drivers/macintosh/windfarm_smu_sat.c3
-rw-r--r--drivers/macintosh/windfarm_smu_sensors.c3
33 files changed, 33 insertions, 106 deletions
diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
index 47c350cdfb12..574e122ae105 100644
--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
menuconfig MACINTOSH_DRIVERS
bool "Macintosh device drivers"
diff --git a/drivers/macintosh/ams/Makefile b/drivers/macintosh/ams/Makefile
index 41c95b2089dc..3b58d02c9c42 100644
--- a/drivers/macintosh/ams/Makefile
+++ b/drivers/macintosh/ams/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for Apple Motion Sensor driver
#
diff --git a/drivers/macintosh/ams/ams-core.c b/drivers/macintosh/ams/ams-core.c
index 36a4fdddd64a..01eeb2336d1a 100644
--- a/drivers/macintosh/ams/ams-core.c
+++ b/drivers/macintosh/ams/ams-core.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Apple Motion Sensor driver
*
* Copyright (C) 2005 Stelian Pop (stelian@popies.net)
* Copyright (C) 2006 Michael Hanselmann (linux-kernel@hansmi.ch)
- *
- * 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <linux/module.h>
diff --git a/drivers/macintosh/ams/ams-i2c.c b/drivers/macintosh/ams/ams-i2c.c
index 8a3ba565106f..21271b2e9259 100644
--- a/drivers/macintosh/ams/ams-i2c.c
+++ b/drivers/macintosh/ams/ams-i2c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Apple Motion Sensor driver (I2C variant)
*
@@ -7,11 +8,6 @@
* Clean room implementation based on the reverse engineered Mac OS X driver by
* Johannes Berg <johannes@sipsolutions.net>, documentation available at
* http://johannes.sipsolutions.net/PowerBook/Apple_Motion_Sensor_Specification
- *
- * 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.
*/
#include <linux/module.h>
diff --git a/drivers/macintosh/ams/ams-input.c b/drivers/macintosh/ams/ams-input.c
index fe248f6a30c1..06a96b3f11de 100644
--- a/drivers/macintosh/ams/ams-input.c
+++ b/drivers/macintosh/ams/ams-input.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Apple Motion Sensor driver (joystick emulation)
*
* Copyright (C) 2005 Stelian Pop (stelian@popies.net)
* Copyright (C) 2006 Michael Hanselmann (linux-kernel@hansmi.ch)
- *
- * 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.
*/
#include <linux/module.h>
diff --git a/drivers/macintosh/ams/ams-pmu.c b/drivers/macintosh/ams/ams-pmu.c
index 4f61b3ee1b08..1c3ce39e9a59 100644
--- a/drivers/macintosh/ams/ams-pmu.c
+++ b/drivers/macintosh/ams/ams-pmu.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Apple Motion Sensor driver (PMU variant)
*
* Copyright (C) 2006 Michael Hanselmann (linux-kernel@hansmi.ch)
- *
- * 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.
*/
#include <linux/module.h>
diff --git a/drivers/macintosh/apm_emu.c b/drivers/macintosh/apm_emu.c
index 9821e6361e60..5ed0ac65cf59 100644
--- a/drivers/macintosh/apm_emu.c
+++ b/drivers/macintosh/apm_emu.c
@@ -1,19 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* APM emulation for PMU-based machines
*
* Copyright 2001 Benjamin Herrenschmidt (benh@kernel.crashing.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, 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.
- *
- *
*/
#include <linux/kernel.h>
diff --git a/drivers/macintosh/mac_hid.c b/drivers/macintosh/mac_hid.c
index 80d30e8e3389..7af0c536d568 100644
--- a/drivers/macintosh/mac_hid.c
+++ b/drivers/macintosh/mac_hid.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* drivers/macintosh/mac_hid.c
*
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index 3543a82081de..92d142d2b75f 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Bus & driver management routines for devices within
* a MacIO ASIC. Interface to new driver model mostly
@@ -5,11 +6,6 @@
*
* Copyright (C) 2005 Ben. Herrenschmidt (benh@kernel.crashing.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.
- *
* TODO:
*
* - Don't probe below media bay by default, but instead provide
diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c
index d98e566a8f5e..74bf2938276b 100644
--- a/drivers/macintosh/mediabay.c
+++ b/drivers/macintosh/mediabay.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for the media bay on the PowerBook 3400 and 2400.
*
* Copyright (C) 1998 Paul Mackerras.
*
* Various evolutions by Benjamin Herrenschmidt & Henry Worth
- *
- * 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.
*/
#include <linux/types.h>
#include <linux/errno.h>
diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c
index 3940e2a032f7..4134e580f786 100644
--- a/drivers/macintosh/rack-meter.c
+++ b/drivers/macintosh/rack-meter.c
@@ -1,18 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* RackMac vu-meter driver
*
* (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
*
- * Released under the term of the GNU GPL v2.
- *
* Support the CPU-meter LEDs of the Xserve G5
*
* TODO: Implement PWM to do variable intensity and provide userland
* interface for fun. Also, the CPU-meter could be made nicer by being
* a bit less "immediate" but giving instead a more average load over
* time. Patches welcome :-)
- *
*/
#undef DEBUG
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index 6a844125cf2d..01e298f620f3 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* PowerMac G5 SMU driver
*
* Copyright 2004 J. Mayer <l_indien@magic.fr>
* Copyright 2005 Benjamin Herrenschmidt, IBM Corp.
- *
- * Released under the term of the GNU GPL v2.
*/
/*
diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c
index d7cd5afa38cd..8f7725dc2166 100644
--- a/drivers/macintosh/therm_adt746x.c
+++ b/drivers/macintosh/therm_adt746x.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Device driver for the i2c thermostat found on the iBook G4, Albook G4
*
diff --git a/drivers/macintosh/windfarm.h b/drivers/macintosh/windfarm.h
index 901c42f71b5a..5eb480d84e9a 100644
--- a/drivers/macintosh/windfarm.h
+++ b/drivers/macintosh/windfarm.h
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Windfarm PowerMac thermal control.
*
* (c) Copyright 2005 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
- *
- * Released under the term of the GNU GPL v2.
*/
#ifndef __WINDFARM_H__
diff --git a/drivers/macintosh/windfarm_ad7417_sensor.c b/drivers/macintosh/windfarm_ad7417_sensor.c
index 7c28b71246c9..125605987b44 100644
--- a/drivers/macintosh/windfarm_ad7417_sensor.c
+++ b/drivers/macintosh/windfarm_ad7417_sensor.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control. AD7417 sensors
*
* Copyright 2012 Benjamin Herrenschmidt, IBM Corp.
- *
- * Released under the term of the GNU GPL v2.
*/
#include <linux/types.h>
diff --git a/drivers/macintosh/windfarm_core.c b/drivers/macintosh/windfarm_core.c
index 5e013d781a74..77612303841e 100644
--- a/drivers/macintosh/windfarm_core.c
+++ b/drivers/macintosh/windfarm_core.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control. Core
*
* (c) Copyright 2005 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
*
- * Released under the term of the GNU GPL v2.
- *
* This core code tracks the list of sensors & controls, register
* clients, and holds the kernel thread used for control.
*
diff --git a/drivers/macintosh/windfarm_cpufreq_clamp.c b/drivers/macintosh/windfarm_cpufreq_clamp.c
index 2626990331dc..52fd5fca89a0 100644
--- a/drivers/macintosh/windfarm_cpufreq_clamp.c
+++ b/drivers/macintosh/windfarm_cpufreq_clamp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/kernel.h>
diff --git a/drivers/macintosh/windfarm_fcu_controls.c b/drivers/macintosh/windfarm_fcu_controls.c
index 629f19875d7f..3c971297b6dc 100644
--- a/drivers/macintosh/windfarm_fcu_controls.c
+++ b/drivers/macintosh/windfarm_fcu_controls.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control. FCU fan control
*
* Copyright 2012 Benjamin Herrenschmidt, IBM Corp.
- *
- * Released under the term of the GNU GPL v2.
*/
#undef DEBUG
diff --git a/drivers/macintosh/windfarm_lm75_sensor.c b/drivers/macintosh/windfarm_lm75_sensor.c
index 6cdfe714901d..282c28a17ea1 100644
--- a/drivers/macintosh/windfarm_lm75_sensor.c
+++ b/drivers/macintosh/windfarm_lm75_sensor.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control. LM75 sensor
*
* (c) Copyright 2005 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
- *
- * Released under the term of the GNU GPL v2.
*/
#include <linux/types.h>
diff --git a/drivers/macintosh/windfarm_lm87_sensor.c b/drivers/macintosh/windfarm_lm87_sensor.c
index 09724acd70b6..e44525b19071 100644
--- a/drivers/macintosh/windfarm_lm87_sensor.c
+++ b/drivers/macintosh/windfarm_lm87_sensor.c
@@ -1,10 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control. LM87 sensor
*
* Copyright 2012 Benjamin Herrenschmidt, IBM Corp.
- *
- * Released under the term of the GNU GPL v2.
- *
*/
#include <linux/types.h>
diff --git a/drivers/macintosh/windfarm_max6690_sensor.c b/drivers/macintosh/windfarm_max6690_sensor.c
index 6ad035e13c08..e666cc020683 100644
--- a/drivers/macintosh/windfarm_max6690_sensor.c
+++ b/drivers/macintosh/windfarm_max6690_sensor.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control. MAX6690 sensor.
*
* Copyright (C) 2005 Paul Mackerras, IBM Corp. <paulus@samba.org>
- *
- * Use and redistribute under the terms of the GNU GPL v2.
*/
#include <linux/types.h>
#include <linux/errno.h>
diff --git a/drivers/macintosh/windfarm_mpu.h b/drivers/macintosh/windfarm_mpu.h
index 046edc8c2ec5..157ce6e3f32e 100644
--- a/drivers/macintosh/windfarm_mpu.h
+++ b/drivers/macintosh/windfarm_mpu.h
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Windfarm PowerMac thermal control
*
* Copyright 2012 Benjamin Herrenschmidt, IBM Corp.
- *
- * Released under the term of the GNU GPL v2.
*/
#ifndef __WINDFARM_MPU_H
diff --git a/drivers/macintosh/windfarm_pid.c b/drivers/macintosh/windfarm_pid.c
index f10efb28cae4..bb31b0e93fad 100644
--- a/drivers/macintosh/windfarm_pid.c
+++ b/drivers/macintosh/windfarm_pid.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control. Generic PID helpers
*
* (c) Copyright 2005 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
- *
- * Released under the term of the GNU GPL v2.
*/
#include <linux/types.h>
diff --git a/drivers/macintosh/windfarm_pid.h b/drivers/macintosh/windfarm_pid.h
index bbccc22d42b8..83f747dbeafc 100644
--- a/drivers/macintosh/windfarm_pid.h
+++ b/drivers/macintosh/windfarm_pid.h
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Windfarm PowerMac thermal control. Generic PID helpers
*
* (c) Copyright 2005 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
*
- * Released under the term of the GNU GPL v2.
- *
* This is a pair of generic PID helpers that can be used by
* control loops. One is the basic PID implementation, the
* other one is more specifically tailored to the loops used
diff --git a/drivers/macintosh/windfarm_pm112.c b/drivers/macintosh/windfarm_pm112.c
index fec91db1142e..4150301a89a5 100644
--- a/drivers/macintosh/windfarm_pm112.c
+++ b/drivers/macintosh/windfarm_pm112.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control.
* Control loops for machines with SMU and PPC970MP processors.
*
* Copyright (C) 2005 Paul Mackerras, IBM Corp. <paulus@samba.org>
* Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
- *
- * Use and redistribute under the terms of the GNU GPL v2.
*/
#include <linux/types.h>
#include <linux/errno.h>
diff --git a/drivers/macintosh/windfarm_pm121.c b/drivers/macintosh/windfarm_pm121.c
index 97634e030991..ab467b9c31be 100644
--- a/drivers/macintosh/windfarm_pm121.c
+++ b/drivers/macintosh/windfarm_pm121.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control. iMac G5 iSight
*
@@ -6,14 +7,9 @@
* Bits & pieces from windfarm_pm81.c by (c) Copyright 2005 Benjamin
* Herrenschmidt, IBM Corp. <benh@kernel.crashing.org>
*
- * Released under the term of the GNU GPL v2.
- *
- *
- *
* PowerMac12,1
* ============
*
- *
* The algorithm used is the PID control algorithm, used the same way
* the published Darwin code does, using the same values that are
* present in the Darwin 8.10 snapshot property lists (note however
@@ -25,7 +21,6 @@
* controls with a tiny difference. The control-ids of hard-drive-fan
* and cpu-fan is swapped.
*
- *
* Target Correction :
*
* controls have a target correction calculated as :
@@ -63,7 +58,6 @@
* offset : -15650652
* slope : 1565065
*
- *
* Target rubber-banding :
*
* Some controls have a target correction which depends on another
@@ -76,7 +70,6 @@
*
* new_target = max (new_target, new_min >> 16)
*
- *
* # model_id : 2
* control : cpu-fan
* ref : optical-drive-fan
@@ -89,12 +82,10 @@
* offset : -32768000
* slope : 65536
*
- *
* In order to have the moste efficient correction with those
* dependencies, we must trigger HD loop before OD loop before CPU
* loop.
*
- *
* The various control loops found in Darwin config file are:
*
* HD Fan control loop.
@@ -191,12 +182,10 @@
* sensors : cpu-temp, cpu-power
* PID params : from SDB partition
*
- *
* CPU Slew control loop.
*
* control : cpufreq-clamp
* sensor : cpu-temp
- *
*/
#undef DEBUG
diff --git a/drivers/macintosh/windfarm_pm72.c b/drivers/macintosh/windfarm_pm72.c
index 833021508c05..c5da0fc24884 100644
--- a/drivers/macintosh/windfarm_pm72.c
+++ b/drivers/macintosh/windfarm_pm72.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control.
* Control loops for PowerMac7,2 and 7,3
*
* Copyright (C) 2012 Benjamin Herrenschmidt, IBM Corp.
- *
- * Use and redistribute under the terms of the GNU GPL v2.
*/
#include <linux/types.h>
#include <linux/errno.h>
diff --git a/drivers/macintosh/windfarm_pm81.c b/drivers/macintosh/windfarm_pm81.c
index 346c91744442..82c67a4ee5f7 100644
--- a/drivers/macintosh/windfarm_pm81.c
+++ b/drivers/macintosh/windfarm_pm81.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control. iMac G5
*
* (c) Copyright 2005 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
*
- * Released under the term of the GNU GPL v2.
- *
* The algorithm used is the PID control algorithm, used the same
* way the published Darwin code does, using the same values that
* are present in the Darwin 8.2 snapshot property lists (note however
@@ -90,7 +89,6 @@
* from the SDB partition. If we ever end up with actually slewing the system
* clock and thus changing operating points, we'll have to find a way to
* communicate with the CPU freq driver;
- *
*/
#include <linux/types.h>
diff --git a/drivers/macintosh/windfarm_pm91.c b/drivers/macintosh/windfarm_pm91.c
index a8a47c62a74b..3f346af9e3f7 100644
--- a/drivers/macintosh/windfarm_pm91.c
+++ b/drivers/macintosh/windfarm_pm91.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control. SMU based 1 CPU desktop control loops
*
* (c) Copyright 2005 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
*
- * Released under the term of the GNU GPL v2.
- *
* The algorithm used is the PID control algorithm, used the same
* way the published Darwin code does, using the same values that
* are present in the Darwin 8.2 snapshot property lists (note however
diff --git a/drivers/macintosh/windfarm_rm31.c b/drivers/macintosh/windfarm_rm31.c
index 9ce87cc0597f..8456eb67184b 100644
--- a/drivers/macintosh/windfarm_rm31.c
+++ b/drivers/macintosh/windfarm_rm31.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control.
* Control loops for RackMack3,1 (Xserve G5)
*
* Copyright (C) 2012 Benjamin Herrenschmidt, IBM Corp.
- *
- * Use and redistribute under the terms of the GNU GPL v2.
*/
#include <linux/types.h>
#include <linux/errno.h>
diff --git a/drivers/macintosh/windfarm_smu_controls.c b/drivers/macintosh/windfarm_smu_controls.c
index 2cb9652a9998..79cb1ad09bfd 100644
--- a/drivers/macintosh/windfarm_smu_controls.c
+++ b/drivers/macintosh/windfarm_smu_controls.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control. SMU based controls
*
* (c) Copyright 2005 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
- *
- * Released under the term of the GNU GPL v2.
*/
#include <linux/types.h>
diff --git a/drivers/macintosh/windfarm_smu_sat.c b/drivers/macintosh/windfarm_smu_sat.c
index b4be718beba8..c84ec49c3741 100644
--- a/drivers/macintosh/windfarm_smu_sat.c
+++ b/drivers/macintosh/windfarm_smu_sat.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control. SMU "satellite" controller sensors.
*
* Copyright (C) 2005 Paul Mackerras, IBM Corp. <paulus@samba.org>
- *
- * Released under the terms of the GNU GPL v2.
*/
#include <linux/types.h>
diff --git a/drivers/macintosh/windfarm_smu_sensors.c b/drivers/macintosh/windfarm_smu_sensors.c
index a58f6733381a..3e6059eaa138 100644
--- a/drivers/macintosh/windfarm_smu_sensors.c
+++ b/drivers/macintosh/windfarm_smu_sensors.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Windfarm PowerMac thermal control. SMU based sensors
*
* (c) Copyright 2005 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
- *
- * Released under the term of the GNU GPL v2.
*/
#include <linux/types.h>