treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 330

Based on 1 normalized pattern(s):

  this file is subject to the terms and conditions of version 2 of the
  gnu general public license see the file copying in the main
  directory of this archive for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 55 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190530000436.108941081@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/hwmon/max31722.c

diff --git a/drivers/hwmon/max31722.c b/drivers/hwmon/max31722.c
index 6d169b4..062eceb 100644
--- a/drivers/hwmon/max31722.c
+++ b/drivers/hwmon/max31722.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * max31722 - hwmon driver for Maxim Integrated MAX31722/MAX31723 SPI
  * digital thermometer and thermostats.
  *
  * Copyright (c) 2016, Intel Corporation.
- *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
  */
 
 #include <linux/acpi.h>

drivers/iio/accel/adxl345.h

diff --git a/drivers/iio/accel/adxl345.h b/drivers/iio/accel/adxl345.h
index ccd63de..3844977 100644
--- a/drivers/iio/accel/adxl345.h
+++ b/drivers/iio/accel/adxl345.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * ADXL345 3-Axis Digital Accelerometer
  *
  * Copyright (c) 2017 Eva Rachel Retuya <eraretuya@gmail.com>
- *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
  */
 
 #ifndef _ADXL345_H_

drivers/iio/accel/adxl345_core.c

diff --git a/drivers/iio/accel/adxl345_core.c b/drivers/iio/accel/adxl345_core.c
index f03ed00..9c26979 100644
--- a/drivers/iio/accel/adxl345_core.c
+++ b/drivers/iio/accel/adxl345_core.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * ADXL345 3-Axis Digital Accelerometer IIO core driver
  *
  * Copyright (c) 2017 Eva Rachel Retuya <eraretuya@gmail.com>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
  * Datasheet: http://www.analog.com/media/en/technical-documentation/data-sheets/ADXL345.pdf
  */
 

drivers/iio/accel/adxl345_i2c.c

diff --git a/drivers/iio/accel/adxl345_i2c.c b/drivers/iio/accel/adxl345_i2c.c
index f22f7131..1561364 100644
--- a/drivers/iio/accel/adxl345_i2c.c
+++ b/drivers/iio/accel/adxl345_i2c.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * ADXL345 3-Axis Digital Accelerometer I2C driver
  *
  * Copyright (c) 2017 Eva Rachel Retuya <eraretuya@gmail.com>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
  * 7-bit I2C slave address: 0x1D (ALT ADDRESS pin tied to VDDIO) or
  * 0x53 (ALT ADDRESS pin grounded)
  */

drivers/iio/accel/adxl345_spi.c

diff --git a/drivers/iio/accel/adxl345_spi.c b/drivers/iio/accel/adxl345_spi.c
index 67b7c66..da4591c 100644
--- a/drivers/iio/accel/adxl345_spi.c
+++ b/drivers/iio/accel/adxl345_spi.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * ADXL345 3-Axis Digital Accelerometer SPI driver
  *
  * Copyright (c) 2017 Eva Rachel Retuya <eraretuya@gmail.com>
- *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
  */
 
 #include <linux/module.h>

drivers/iio/accel/bma180.c

diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
index f9720a1..1574e46 100644
--- a/drivers/iio/accel/bma180.c
+++ b/drivers/iio/accel/bma180.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * bma180.c - IIO driver for Bosch BMA180 triaxial acceleration sensor
  *
@@ -5,10 +6,6 @@
  *
  * Support for BMA250 (c) Peter Meerwald <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * SPI is not supported by driver
  * BMA180: 7-bit I2C slave address 0x40 or 0x41
  * BMA250: 7-bit I2C slave address 0x18 or 0x19

drivers/iio/accel/bma220_spi.c

diff --git a/drivers/iio/accel/bma220_spi.c b/drivers/iio/accel/bma220_spi.c
index e25d91c0..cae9050 100644
--- a/drivers/iio/accel/bma220_spi.c
+++ b/drivers/iio/accel/bma220_spi.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**
  * BMA220 Digital triaxial acceleration sensor driver
  *
  * Copyright (c) 2016, Intel Corporation.
- *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
  */
 
 #include <linux/acpi.h>

drivers/iio/accel/mma7660.c

diff --git a/drivers/iio/accel/mma7660.c b/drivers/iio/accel/mma7660.c
index f1a1372..7faf6d8 100644
--- a/drivers/iio/accel/mma7660.c
+++ b/drivers/iio/accel/mma7660.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**
  * Freescale MMA7660FC 3-Axis Accelerometer
  *
  * Copyright (c) 2016, Intel Corporation.
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
  * IIO driver for Freescale MMA7660FC; 7-bit I2C address: 0x4c.
  */
 

drivers/iio/accel/mxc6255.c

diff --git a/drivers/iio/accel/mxc6255.c b/drivers/iio/accel/mxc6255.c
index ddd50d1..f532f86 100644
--- a/drivers/iio/accel/mxc6255.c
+++ b/drivers/iio/accel/mxc6255.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * MXC6255 - MEMSIC orientation sensing accelerometer
  *
  * Copyright (c) 2015, Intel Corporation.
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * IIO driver for MXC6255 (7-bit I2C slave address 0x15).
  */
 

drivers/iio/accel/stk8312.c

diff --git a/drivers/iio/accel/stk8312.c b/drivers/iio/accel/stk8312.c
index cacc0da..58c160c 100644
--- a/drivers/iio/accel/stk8312.c
+++ b/drivers/iio/accel/stk8312.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**
  * Sensortek STK8312 3-Axis Accelerometer
  *
  * Copyright (c) 2015, Intel Corporation.
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
  * IIO driver for STK8312; 7-bit I2C address: 0x3D.
  */
 

drivers/iio/accel/stk8ba50.c

diff --git a/drivers/iio/accel/stk8ba50.c b/drivers/iio/accel/stk8ba50.c
index 576b6b1..c70ddec 100644
--- a/drivers/iio/accel/stk8ba50.c
+++ b/drivers/iio/accel/stk8ba50.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**
  * Sensortek STK8BA50 3-Axis Accelerometer
  *
  * Copyright (c) 2015, Intel Corporation.
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
  * STK8BA50 7-bit I2C address: 0x18.
  */
 

drivers/iio/adc/max1118.c

diff --git a/drivers/iio/adc/max1118.c b/drivers/iio/adc/max1118.c
index 49db9e9..3b6f3b9 100644
--- a/drivers/iio/adc/max1118.c
+++ b/drivers/iio/adc/max1118.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * MAX1117/MAX1118/MAX1119 8-bit, dual-channel ADCs driver
  *
  * Copyright (c) 2017 Akinobu Mita <akinobu.mita@gmail.com>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX1117-MAX1119.pdf
  *
  * SPI interface connections

drivers/iio/adc/ti-adc0832.c

diff --git a/drivers/iio/adc/ti-adc0832.c b/drivers/iio/adc/ti-adc0832.c
index 188dae7..6ea39f4 100644
--- a/drivers/iio/adc/ti-adc0832.c
+++ b/drivers/iio/adc/ti-adc0832.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * ADC0831/ADC0832/ADC0834/ADC0838 8-bit ADC driver
  *
  * Copyright (c) 2016 Akinobu Mita <akinobu.mita@gmail.com>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * Datasheet: http://www.ti.com/lit/ds/symlink/adc0832-n.pdf
  */
 

drivers/iio/adc/ti-adc12138.c

diff --git a/drivers/iio/adc/ti-adc12138.c b/drivers/iio/adc/ti-adc12138.c
index 703d68a..68a9dcb 100644
--- a/drivers/iio/adc/ti-adc12138.c
+++ b/drivers/iio/adc/ti-adc12138.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * ADC12130/ADC12132/ADC12138 12-bit plus sign ADC driver
  *
  * Copyright (c) 2016 Akinobu Mita <akinobu.mita@gmail.com>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * Datasheet: http://www.ti.com/lit/ds/symlink/adc12138.pdf
  */
 

drivers/iio/adc/ti-ads1015.c

diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c
index 6a114dc..a550b13 100644
--- a/drivers/iio/adc/ti-ads1015.c
+++ b/drivers/iio/adc/ti-ads1015.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * ADS1015 - Texas Instruments Analog-to-Digital Converter
  *
  * Copyright (c) 2016, Intel Corporation.
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * IIO driver for ADS1015 ADC 7-bit I2C slave address:
  *	* 0x48 - ADDR connected to Ground
  *	* 0x49 - ADDR connected to Vdd

drivers/iio/dac/mcp4725.c

diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c
index c701a45..ed455e8 100644
--- a/drivers/iio/dac/mcp4725.c
+++ b/drivers/iio/dac/mcp4725.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * mcp4725.c - Support for Microchip MCP4725/6
  *
@@ -5,10 +6,6 @@
  *
  * Based on max517 by Roland Stigge <stigge@antcom.de>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * driver for the Microchip I2C 12-bit digital-to-analog converter (DAC)
  * (7-bit I2C slave address 0x60, the three LSBs can be configured in
  * hardware)

drivers/iio/humidity/am2315.c

diff --git a/drivers/iio/humidity/am2315.c b/drivers/iio/humidity/am2315.c
index 7d8669d..f18da78 100644
--- a/drivers/iio/humidity/am2315.c
+++ b/drivers/iio/humidity/am2315.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**
  * Aosong AM2315 relative humidity and temperature
  *
  * Copyright (c) 2016, Intel Corporation.
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
  * 7-bit I2C address: 0x5C.
  */
 

drivers/iio/humidity/si7005.c

diff --git a/drivers/iio/humidity/si7005.c b/drivers/iio/humidity/si7005.c
index 1fd19f0..d5aef0b 100644
--- a/drivers/iio/humidity/si7005.c
+++ b/drivers/iio/humidity/si7005.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * si7005.c - Support for Silabs Si7005 humidity and temperature sensor
  *
  * Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * (7-bit I2C slave address 0x40)
  *
  * TODO: heater, fast mode, processed mode (temp. / linearity compensation)

drivers/iio/imu/kmx61.c

diff --git a/drivers/iio/imu/kmx61.c b/drivers/iio/imu/kmx61.c
index 44b3f53..e674661 100644
--- a/drivers/iio/imu/kmx61.c
+++ b/drivers/iio/imu/kmx61.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * KMX61 - Kionix 6-axis Accelerometer/Magnetometer
  *
  * Copyright (c) 2014, Intel Corporation.
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * IIO driver for KMX61 (7-bit I2C slave address 0x0E or 0x0F).
- *
  */
 
 #include <linux/module.h>

drivers/iio/light/adjd_s311.c

diff --git a/drivers/iio/light/adjd_s311.c b/drivers/iio/light/adjd_s311.c
index e45bb6a..d3269cd4 100644
--- a/drivers/iio/light/adjd_s311.c
+++ b/drivers/iio/light/adjd_s311.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * adjd_s311.c - Support for ADJD-S311-CR999 digital color sensor
  *
  * Copyright (C) 2012 Peter Meerwald <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * driver for ADJD-S311-CR999 digital color sensor (10-bit channels for
  * red, green, blue, clear); 7-bit I2C slave address 0x74
  *

drivers/iio/light/al3320a.c

diff --git a/drivers/iio/light/al3320a.c b/drivers/iio/light/al3320a.c
index 66623fa..a21aa99 100644
--- a/drivers/iio/light/al3320a.c
+++ b/drivers/iio/light/al3320a.c
@@ -1,16 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * AL3320A - Dyna Image Ambient Light Sensor
  *
  * Copyright (c) 2014, Intel Corporation.
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * IIO driver for AL3320A (7-bit I2C slave address 0x1C).
  *
  * TODO: interrupt support, thresholds
- *
  */
 
 #include <linux/module.h>

drivers/iio/light/apds9300.c

diff --git a/drivers/iio/light/apds9300.c b/drivers/iio/light/apds9300.c
index 5c15736..856b6c4 100644
--- a/drivers/iio/light/apds9300.c
+++ b/drivers/iio/light/apds9300.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * apds9300.c - IIO driver for Avago APDS9300 ambient light sensor
  *
  * Copyright 2013 Oleksandr Kravchenko <o.v.kravchenko@globallogic.com>
- *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
  */
 
 #include <linux/module.h>

drivers/iio/light/cm3323.c

diff --git a/drivers/iio/light/cm3323.c b/drivers/iio/light/cm3323.c
index 83b08b6..50f3438 100644
--- a/drivers/iio/light/cm3323.c
+++ b/drivers/iio/light/cm3323.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * CM3323 - Capella Color Light Sensor
  *
  * Copyright (c) 2015, Intel Corporation.
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * IIO driver for CM3323 (7-bit I2C slave address 0x10)
  *
  * TODO: calibscale to correct the lens factor

drivers/iio/light/isl29125.c

diff --git a/drivers/iio/light/isl29125.c b/drivers/iio/light/isl29125.c
index ed38edc..e37894f 100644
--- a/drivers/iio/light/isl29125.c
+++ b/drivers/iio/light/isl29125.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * isl29125.c - Support for Intersil ISL29125 RGB light sensor
  *
  * Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * RGB light sensor with 16-bit channels for red, green, blue);
  * 7-bit I2C slave address 0x44
  *

drivers/iio/light/ltr501.c

diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c
index 830a2d4..71f99d2 100644
--- a/drivers/iio/light/ltr501.c
+++ b/drivers/iio/light/ltr501.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * ltr501.c - Support for Lite-On LTR501 ambient light and proximity sensor
  *
  * Copyright 2014 Peter Meerwald <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * 7-bit I2C slave address 0x23
  *
  * TODO: IR LED characteristics

drivers/iio/light/max44000.c

diff --git a/drivers/iio/light/max44000.c b/drivers/iio/light/max44000.c
index d3fb460c..d6d8007 100644
--- a/drivers/iio/light/max44000.c
+++ b/drivers/iio/light/max44000.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * MAX44000 Ambient and Infrared Proximity Sensor
  *
  * Copyright (c) 2016, Intel Corporation.
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * Data sheet: https://datasheets.maximintegrated.com/en/ds/MAX44000.pdf
  *
  * 7-bit I2C slave address 0x4a

drivers/iio/light/rpr0521.c

diff --git a/drivers/iio/light/rpr0521.c b/drivers/iio/light/rpr0521.c
index ffe9ce79..a0a7aea 100644
--- a/drivers/iio/light/rpr0521.c
+++ b/drivers/iio/light/rpr0521.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * RPR-0521 ROHM Ambient Light and Proximity Sensor
  *
  * Copyright (c) 2015, Intel Corporation.
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * IIO driver for RPR-0521RS (7-bit I2C slave address 0x38).
  *
  * TODO: illuminance channel

drivers/iio/light/si1145.c

diff --git a/drivers/iio/light/si1145.c b/drivers/iio/light/si1145.c
index 76f16f9..6579d24 100644
--- a/drivers/iio/light/si1145.c
+++ b/drivers/iio/light/si1145.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * si1145.c - Support for Silabs SI1132 and SI1141/2/3/5/6/7 combined ambient
  * light, UV index and proximity sensors
@@ -5,10 +6,6 @@
  * Copyright 2014-16 Peter Meerwald-Stadler <pmeerw@pmeerw.net>
  * Copyright 2016 Crestez Dan Leonard <leonard.crestez@intel.com>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * SI1132 (7-bit I2C slave address 0x60)
  * SI1141/2/3 (7-bit I2C slave address 0x5a)
  * SI1145/6/6 (7-bit I2C slave address 0x60)

drivers/iio/light/stk3310.c

diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c
index 6e2a169d..eff7ac9 100644
--- a/drivers/iio/light/stk3310.c
+++ b/drivers/iio/light/stk3310.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**
  * Sensortek STK3310/STK3311 Ambient Light and Proximity Sensor
  *
  * Copyright (c) 2015, Intel Corporation.
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
  * IIO driver for STK3310/STK3311. 7-bit I2C address: 0x48.
  */
 

drivers/iio/light/tcs3414.c

diff --git a/drivers/iio/light/tcs3414.c b/drivers/iio/light/tcs3414.c
index 205e565..7c0291c 100644
--- a/drivers/iio/light/tcs3414.c
+++ b/drivers/iio/light/tcs3414.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * tcs3414.c - Support for TAOS TCS3414 digital color sensor
  *
  * Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * Digital color sensor with 16-bit channels for red, green, blue, clear);
  * 7-bit I2C slave address 0x39 (TCS3414) or 0x29, 0x49, 0x59 (TCS3413,
  * TCS3415, TCS3416, resp.)

drivers/iio/light/tcs3472.c

diff --git a/drivers/iio/light/tcs3472.c b/drivers/iio/light/tcs3472.c
index e7923b5..12ad3444 100644
--- a/drivers/iio/light/tcs3472.c
+++ b/drivers/iio/light/tcs3472.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * tcs3472.c - Support for TAOS TCS3472 color light-to-digital converter
  *
  * Copyright (c) 2013 Peter Meerwald <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * Color light sensor with 16-bit channels for red, green, blue, clear);
  * 7-bit I2C slave address 0x39 (TCS34721, TCS34723) or 0x29 (TCS34725,
  * TCS34727)

drivers/iio/light/tsl4531.c

diff --git a/drivers/iio/light/tsl4531.c b/drivers/iio/light/tsl4531.c
index 06171cb..0dfc664 100644
--- a/drivers/iio/light/tsl4531.c
+++ b/drivers/iio/light/tsl4531.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * tsl4531.c - Support for TAOS TSL4531 ambient light sensor
  *
  * Copyright 2013 Peter Meerwald <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * IIO driver for the TSL4531x family
  *   TSL45311/TSL45313: 7-bit I2C slave address 0x39
  *   TSL45315/TSL45317: 7-bit I2C slave address 0x29

drivers/iio/light/vcnl4000.c

diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c
index b19e655..51421ac 100644
--- a/drivers/iio/light/vcnl4000.c
+++ b/drivers/iio/light/vcnl4000.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * vcnl4000.c - Support for Vishay VCNL4000/4010/4020/4040/4200 combined ambient
  * light and proximity sensor
@@ -5,10 +6,6 @@
  * Copyright 2012 Peter Meerwald <pmeerw@pmeerw.net>
  * Copyright 2019 Pursim SPC
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * IIO driver for:
  *   VCNL4000/10/20 (7-bit I2C slave address 0x13)
  *   VCNL4040 (7-bit I2C slave address 0x60)

drivers/iio/light/veml6070.c

diff --git a/drivers/iio/light/veml6070.c b/drivers/iio/light/veml6070.c
index f4bf3c5..a3138e1 100644
--- a/drivers/iio/light/veml6070.c
+++ b/drivers/iio/light/veml6070.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * veml6070.c - Support for Vishay VEML6070 UV A light sensor
  *
  * Copyright 2016 Peter Meerwald-Stadler <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * IIO driver for VEML6070 (7-bit I2C slave addresses 0x38 and 0x39)
  *
  * TODO: integration time, ACK signal

drivers/iio/light/vl6180.c

diff --git a/drivers/iio/light/vl6180.c b/drivers/iio/light/vl6180.c
index 192c77e..d9533a7 100644
--- a/drivers/iio/light/vl6180.c
+++ b/drivers/iio/light/vl6180.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * vl6180.c - Support for STMicroelectronics VL6180 ALS, range and proximity
  * sensor
@@ -5,10 +6,6 @@
  * Copyright 2017 Peter Meerwald-Stadler <pmeerw@pmeerw.net>
  * Copyright 2017 Manivannan Sadhasivam <manivannanece23@gmail.com>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * IIO driver for VL6180 (7-bit I2C slave address 0x29)
  *
  * Range: 0 to 100mm

drivers/iio/light/zopt2201.c

diff --git a/drivers/iio/light/zopt2201.c b/drivers/iio/light/zopt2201.c
index 041ac9e..5f54f39 100644
--- a/drivers/iio/light/zopt2201.c
+++ b/drivers/iio/light/zopt2201.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * zopt2201.c - Support for IDT ZOPT2201 ambient light and UV B sensor
  *
  * Copyright 2017 Peter Meerwald-Stadler <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * Datasheet: https://www.idt.com/document/dst/zopt2201-datasheet
  * 7-bit I2C slave addresses 0x53 (default) or 0x52 (programmed)
  *

drivers/iio/magnetometer/bmc150_magn_spi.c

diff --git a/drivers/iio/magnetometer/bmc150_magn_spi.c b/drivers/iio/magnetometer/bmc150_magn_spi.c
index 7d4152d..ed9be04 100644
--- a/drivers/iio/magnetometer/bmc150_magn_spi.c
+++ b/drivers/iio/magnetometer/bmc150_magn_spi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * 3-axis magnetometer driver support following SPI Bosch-Sensortec chips:
  *  - BMC150
@@ -5,10 +6,6 @@
  *  - BMM150
  *
  * Copyright (c) 2016, Intel Corporation.
- *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
  */
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>

drivers/iio/magnetometer/mag3110.c

diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c
index dd990cd..fb16cfd 100644
--- a/drivers/iio/magnetometer/mag3110.c
+++ b/drivers/iio/magnetometer/mag3110.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * mag3110.c - Support for Freescale MAG3110 magnetometer sensor
  *
  * Copyright (c) 2013 Peter Meerwald <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * (7-bit I2C slave address 0x0e)
  *
  * TODO: irq, user offset, oversampling, continuous mode

drivers/iio/magnetometer/mmc35240.c

diff --git a/drivers/iio/magnetometer/mmc35240.c b/drivers/iio/magnetometer/mmc35240.c
index 6b640c6..7de10281 100644
--- a/drivers/iio/magnetometer/mmc35240.c
+++ b/drivers/iio/magnetometer/mmc35240.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * MMC35240 - MEMSIC 3-axis Magnetic Sensor
  *
  * Copyright (c) 2015, Intel Corporation.
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * IIO driver for MMC35240 (7-bit I2C slave address 0x30).
  *
  * TODO: offset, ACPI, continuous measurement mode, PM

drivers/iio/pressure/hp206c.c

diff --git a/drivers/iio/pressure/hp206c.c b/drivers/iio/pressure/hp206c.c
index c38c196..3ac3632 100644
--- a/drivers/iio/pressure/hp206c.c
+++ b/drivers/iio/pressure/hp206c.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * hp206c.c - HOPERF HP206C precision barometer and altimeter sensor
  *
  * Copyright (c) 2016, Intel Corporation.
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * (7-bit I2C slave address 0x76)
  *
  * Datasheet:

drivers/iio/pressure/mpl115.c

diff --git a/drivers/iio/pressure/mpl115.c b/drivers/iio/pressure/mpl115.c
index ab4786d..ca81a3d 100644
--- a/drivers/iio/pressure/mpl115.c
+++ b/drivers/iio/pressure/mpl115.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * mpl115.c - Support for Freescale MPL115A pressure/temperature sensor
  *
  * Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * TODO: shutdown pin
- *
  */
 
 #include <linux/module.h>

drivers/iio/pressure/mpl115.h

diff --git a/drivers/iio/pressure/mpl115.h b/drivers/iio/pressure/mpl115.h
index 01b652774..57d55eb 100644
--- a/drivers/iio/pressure/mpl115.h
+++ b/drivers/iio/pressure/mpl115.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Freescale MPL115A pressure/temperature sensor
  *
  * Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net>
  * Copyright (c) 2016 Akinobu Mita <akinobu.mita@gmail.com>
- *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
  */
 
 #ifndef _MPL115_H_

drivers/iio/pressure/mpl115_i2c.c

diff --git a/drivers/iio/pressure/mpl115_i2c.c b/drivers/iio/pressure/mpl115_i2c.c
index 1a29be4..ac1f12b 100644
--- a/drivers/iio/pressure/mpl115_i2c.c
+++ b/drivers/iio/pressure/mpl115_i2c.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Freescale MPL115A2 pressure/temperature sensor
  *
  * Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * (7-bit I2C slave address 0x60)
  *
  * Datasheet: http://www.nxp.com/files/sensors/doc/data_sheet/MPL115A2.pdf

drivers/iio/pressure/mpl115_spi.c

diff --git a/drivers/iio/pressure/mpl115_spi.c b/drivers/iio/pressure/mpl115_spi.c
index 9ebf55f..4d064f9 100644
--- a/drivers/iio/pressure/mpl115_spi.c
+++ b/drivers/iio/pressure/mpl115_spi.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Freescale MPL115A1 pressure/temperature sensor
  *
  * Copyright (c) 2016 Akinobu Mita <akinobu.mita@gmail.com>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * Datasheet: http://www.nxp.com/files/sensors/doc/data_sheet/MPL115A1.pdf
  */
 

drivers/iio/pressure/mpl3115.c

diff --git a/drivers/iio/pressure/mpl3115.c b/drivers/iio/pressure/mpl3115.c
index 7537547f..d066f3c 100644
--- a/drivers/iio/pressure/mpl3115.c
+++ b/drivers/iio/pressure/mpl3115.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * mpl3115.c - Support for Freescale MPL3115A2 pressure/temperature sensor
  *
  * Copyright (c) 2013 Peter Meerwald <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * (7-bit I2C slave address 0x60)
  *
  * TODO: FIFO buffer, altimeter mode, oversampling, continuous mode,

drivers/iio/pressure/t5403.c

diff --git a/drivers/iio/pressure/t5403.c b/drivers/iio/pressure/t5403.c
index 92c00f6..22abd28 100644
--- a/drivers/iio/pressure/t5403.c
+++ b/drivers/iio/pressure/t5403.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * t5403.c - Support for EPCOS T5403 pressure/temperature sensor
  *
  * Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * (7-bit I2C slave address 0x77)
  *
  * TODO: end-of-conversion irq

drivers/iio/proximity/rfd77402.c

diff --git a/drivers/iio/proximity/rfd77402.c b/drivers/iio/proximity/rfd77402.c
index fe29fb1..36480c0 100644
--- a/drivers/iio/proximity/rfd77402.c
+++ b/drivers/iio/proximity/rfd77402.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * rfd77402.c - Support for RF Digital RFD77402 Time-of-Flight (distance) sensor
  *
  * Copyright 2017 Peter Meerwald-Stadler <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * 7-bit I2C slave address 0x4c
  *
  * TODO: interrupt

drivers/iio/proximity/srf08.c

diff --git a/drivers/iio/proximity/srf08.c b/drivers/iio/proximity/srf08.c
index f2bf783..b23ce44 100644
--- a/drivers/iio/proximity/srf08.c
+++ b/drivers/iio/proximity/srf08.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * srf08.c - Support for Devantech SRFxx ultrasonic ranger
  *           with i2c interface
@@ -5,10 +6,6 @@
  *
  * Copyright (c) 2016, 2017 Andreas Klinger <ak@it-klinger.de>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License. See the file COPYING in the main
- * directory of this archive for more details.
- *
  * For details about the device see:
  * http://www.robot-electronics.co.uk/htm/srf08tech.html
  * http://www.robot-electronics.co.uk/htm/srf10tech.htm

drivers/iio/temperature/mlx90614.c

diff --git a/drivers/iio/temperature/mlx90614.c b/drivers/iio/temperature/mlx90614.c
index 13a4cec..b7c56ddf 100644
--- a/drivers/iio/temperature/mlx90614.c
+++ b/drivers/iio/temperature/mlx90614.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * mlx90614.c - Support for Melexis MLX90614 contactless IR temperature sensor
  *
@@ -5,10 +6,6 @@
  * Copyright (c) 2015 Essensium NV
  * Copyright (c) 2015 Melexis
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * Driver for the Melexis MLX90614 I2C 16-bit IR thermopile sensor
  *
  * (7-bit I2C slave address 0x5a, 100KHz bus speed only!)
@@ -20,7 +17,6 @@
  * i2c adapter is locked since it cannot be used by other clients.  The SCL line
  * always has a pull-up so we do not need an extra GPIO to drive it high.  If
  * the "wakeup" GPIO is not given, power management will be disabled.
- *
  */
 
 #include <linux/err.h>

drivers/iio/temperature/tmp006.c

diff --git a/drivers/iio/temperature/tmp006.c b/drivers/iio/temperature/tmp006.c
index a9b5b7cc..cc45d83 100644
--- a/drivers/iio/temperature/tmp006.c
+++ b/drivers/iio/temperature/tmp006.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * tmp006.c - Support for TI TMP006 IR thermopile sensor
  *
  * Copyright (c) 2013 Peter Meerwald <pmeerw@pmeerw.net>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * Driver for the Texas Instruments I2C 16-bit IR thermopile sensor
  *
  * (7-bit I2C slave address 0x40, changeable via ADR pins)

drivers/iio/temperature/tmp007.c

diff --git a/drivers/iio/temperature/tmp007.c b/drivers/iio/temperature/tmp007.c
index 0e3f2d4..7df234d 100644
--- a/drivers/iio/temperature/tmp007.c
+++ b/drivers/iio/temperature/tmp007.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * tmp007.c - Support for TI TMP007 IR thermopile sensor with integrated math engine
  *
  * Copyright (c) 2017 Manivannan Sadhasivam <manivannanece23@gmail.com>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * Driver for the Texas Instruments I2C 16-bit IR thermopile sensor
  *
  * (7-bit I2C slave address (0x40 - 0x47), changeable via ADR pins)
@@ -15,7 +12,6 @@
  * 1. This driver assumes that the sensor has been calibrated beforehand
  * 2. Limit threshold events are enabled at the start
  * 3. Operating mode: INT
- *
  */
 
 #include <linux/err.h>

drivers/leds/leds-dac124s085.c

diff --git a/drivers/leds/leds-dac124s085.c b/drivers/leds/leds-dac124s085.c
index 5a5a86d..20dc9b9 100644
--- a/drivers/leds/leds-dac124s085.c
+++ b/drivers/leds/leds-dac124s085.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2008
  * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * LED driver for the DAC124S085 SPI DAC
  */
 

drivers/leds/leds-is31fl319x.c

diff --git a/drivers/leds/leds-is31fl319x.c b/drivers/leds/leds-is31fl319x.c
index f123309..2d077b8 100644
--- a/drivers/leds/leds-is31fl319x.c
+++ b/drivers/leds/leds-is31fl319x.c
@@ -1,15 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2015-16 Golden Delicious Computers
  *
  * Author: Nikolaus Schaller <hns@goldelico.com>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * LED driver for the IS31FL319{0,1,3,6,9} to drive 1, 3, 6 or 9 light
  * effect LEDs.
- *
  */
 
 #include <linux/err.h>

drivers/leds/leds-pca955x.c

diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c
index a9f5dad..c2bc8f5 100644
--- a/drivers/leds/leds-pca955x.c
+++ b/drivers/leds/leds-pca955x.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2007-2008 Extreme Engineering Solutions, Inc.
  *
  * Author: Nate Case <ncase@xes-inc.com>
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * LED driver for various PCA955x I2C LED drivers
  *
  * Supported devices:

drivers/leds/leds-pca963x.c

diff --git a/drivers/leds/leds-pca963x.c b/drivers/leds/leds-pca963x.c
index 9b4ef07..4afc317 100644
--- a/drivers/leds/leds-pca963x.c
+++ b/drivers/leds/leds-pca963x.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2011 bct electronic GmbH
  * Copyright 2013 Qtechnology/AS
@@ -7,10 +8,6 @@
  *
  * Based on leds-pca955x.c
  *
- * This file is subject to the terms and conditions of version 2 of
- * the GNU General Public License.  See the file COPYING in the main
- * directory of this archive for more details.
- *
  * LED driver for the PCA9633 I2C LED driver (7-bit slave address 0x62)
  * LED driver for the PCA9634/5 I2C LED driver (7-bit slave address set by hw.)
  *