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-rw-r--r--drivers/iio/Kconfig1
-rw-r--r--drivers/iio/accel/Kconfig1
-rw-r--r--drivers/iio/adc/Kconfig1
-rw-r--r--drivers/iio/afe/Kconfig1
-rw-r--r--drivers/iio/afe/Makefile1
-rw-r--r--drivers/iio/amplifiers/Kconfig1
-rw-r--r--drivers/iio/amplifiers/Makefile1
-rw-r--r--drivers/iio/buffer/Kconfig1
-rw-r--r--drivers/iio/chemical/Kconfig1
-rw-r--r--drivers/iio/chemical/Makefile1
-rw-r--r--drivers/iio/common/Kconfig1
-rw-r--r--drivers/iio/common/cros_ec_sensors/Kconfig1
-rw-r--r--drivers/iio/common/cros_ec_sensors/Makefile1
-rw-r--r--drivers/iio/common/hid-sensors/Kconfig1
-rw-r--r--drivers/iio/common/hid-sensors/Makefile1
-rw-r--r--drivers/iio/common/ms_sensors/Kconfig1
-rw-r--r--drivers/iio/common/ms_sensors/Makefile1
-rw-r--r--drivers/iio/common/ssp_sensors/Kconfig1
-rw-r--r--drivers/iio/common/ssp_sensors/Makefile1
-rw-r--r--drivers/iio/common/st_sensors/Kconfig1
-rw-r--r--drivers/iio/dac/Kconfig1
-rw-r--r--drivers/iio/dummy/Kconfig1
-rw-r--r--drivers/iio/frequency/Kconfig1
-rw-r--r--drivers/iio/frequency/Makefile1
-rw-r--r--drivers/iio/gyro/Kconfig1
-rw-r--r--drivers/iio/health/Kconfig1
-rw-r--r--drivers/iio/health/Makefile1
-rw-r--r--drivers/iio/humidity/Kconfig1
-rw-r--r--drivers/iio/imu/Kconfig1
-rw-r--r--drivers/iio/imu/bmi160/Kconfig1
-rw-r--r--drivers/iio/imu/bmi160/Makefile1
-rw-r--r--drivers/iio/imu/inv_mpu6050/Kconfig1
-rw-r--r--drivers/iio/imu/st_lsm6dsx/Kconfig1
-rw-r--r--drivers/iio/imu/st_lsm6dsx/Makefile1
-rw-r--r--drivers/iio/light/Kconfig1
-rw-r--r--drivers/iio/magnetometer/Kconfig1
-rw-r--r--drivers/iio/multiplexer/Kconfig1
-rw-r--r--drivers/iio/multiplexer/Makefile1
-rw-r--r--drivers/iio/orientation/Kconfig1
-rw-r--r--drivers/iio/orientation/Makefile1
-rw-r--r--drivers/iio/potentiometer/Kconfig1
-rw-r--r--drivers/iio/potentiostat/Kconfig1
-rw-r--r--drivers/iio/potentiostat/Makefile1
-rw-r--r--drivers/iio/pressure/Kconfig1
-rw-r--r--drivers/iio/proximity/Kconfig1
-rw-r--r--drivers/iio/resolver/Kconfig1
-rw-r--r--drivers/iio/resolver/Makefile1
-rw-r--r--drivers/iio/temperature/Kconfig1
-rw-r--r--drivers/iio/trigger/Kconfig1
49 files changed, 49 insertions, 0 deletions
diff --git a/drivers/iio/Kconfig b/drivers/iio/Kconfig
index a22cbee593fe..1d736a4952ab 100644
--- a/drivers/iio/Kconfig
+++ b/drivers/iio/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Industrial I/O subsystem configuration
#
diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig
index 62a970a20219..9b9656ce37e6 100644
--- a/drivers/iio/accel/Kconfig
+++ b/drivers/iio/accel/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Accelerometer drivers
#
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 2036eca546fd..f96a7702b020 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# ADC drivers
#
diff --git a/drivers/iio/afe/Kconfig b/drivers/iio/afe/Kconfig
index c91eef04825a..4fa397822cff 100644
--- a/drivers/iio/afe/Kconfig
+++ b/drivers/iio/afe/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Analog Front End drivers
#
diff --git a/drivers/iio/afe/Makefile b/drivers/iio/afe/Makefile
index 5fabb7bcac47..4c56c8edb2ba 100644
--- a/drivers/iio/afe/Makefile
+++ b/drivers/iio/afe/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for industrial I/O Analog Front Ends (AFE)
#
diff --git a/drivers/iio/amplifiers/Kconfig b/drivers/iio/amplifiers/Kconfig
index e9c5f2cd9257..863d73519c0d 100644
--- a/drivers/iio/amplifiers/Kconfig
+++ b/drivers/iio/amplifiers/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Gain Amplifiers, etc.
#
diff --git a/drivers/iio/amplifiers/Makefile b/drivers/iio/amplifiers/Makefile
index 8da4b787898a..9abef2ebe9bc 100644
--- a/drivers/iio/amplifiers/Makefile
+++ b/drivers/iio/amplifiers/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile iio/amplifiers
#
diff --git a/drivers/iio/buffer/Kconfig b/drivers/iio/buffer/Kconfig
index 338774cba19b..63f265c8b466 100644
--- a/drivers/iio/buffer/Kconfig
+++ b/drivers/iio/buffer/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Industrial I/O generic buffer implementations
#
diff --git a/drivers/iio/chemical/Kconfig b/drivers/iio/chemical/Kconfig
index 5dc11a359444..fa4586037bb8 100644
--- a/drivers/iio/chemical/Kconfig
+++ b/drivers/iio/chemical/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Chemical sensors
#
diff --git a/drivers/iio/chemical/Makefile b/drivers/iio/chemical/Makefile
index f5d1365acb49..f97270bc4034 100644
--- a/drivers/iio/chemical/Makefile
+++ b/drivers/iio/chemical/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for IIO chemical sensors
#
diff --git a/drivers/iio/common/Kconfig b/drivers/iio/common/Kconfig
index e108996a9627..2b9ee9161abd 100644
--- a/drivers/iio/common/Kconfig
+++ b/drivers/iio/common/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# IIO common modules
#
diff --git a/drivers/iio/common/cros_ec_sensors/Kconfig b/drivers/iio/common/cros_ec_sensors/Kconfig
index 135f6825903f..f9bf7ff7fcaf 100644
--- a/drivers/iio/common/cros_ec_sensors/Kconfig
+++ b/drivers/iio/common/cros_ec_sensors/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Chrome OS Embedded Controller managed sensors library
#
diff --git a/drivers/iio/common/cros_ec_sensors/Makefile b/drivers/iio/common/cros_ec_sensors/Makefile
index ec716ff2a775..7c2d6a966fe6 100644
--- a/drivers/iio/common/cros_ec_sensors/Makefile
+++ b/drivers/iio/common/cros_ec_sensors/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for sensors seen through the ChromeOS EC sensor hub.
#
diff --git a/drivers/iio/common/hid-sensors/Kconfig b/drivers/iio/common/hid-sensors/Kconfig
index 80105378b0ba..24d492567336 100644
--- a/drivers/iio/common/hid-sensors/Kconfig
+++ b/drivers/iio/common/hid-sensors/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Hid Sensor common modules
#
diff --git a/drivers/iio/common/hid-sensors/Makefile b/drivers/iio/common/hid-sensors/Makefile
index 22e7c5a82325..64b01a81fcb2 100644
--- a/drivers/iio/common/hid-sensors/Makefile
+++ b/drivers/iio/common/hid-sensors/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for the Hid sensor common modules.
#
diff --git a/drivers/iio/common/ms_sensors/Kconfig b/drivers/iio/common/ms_sensors/Kconfig
index 89398d0afc0d..45012b7ad609 100644
--- a/drivers/iio/common/ms_sensors/Kconfig
+++ b/drivers/iio/common/ms_sensors/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Measurements Specialties sensors common library
#
diff --git a/drivers/iio/common/ms_sensors/Makefile b/drivers/iio/common/ms_sensors/Makefile
index 7846428abe06..028573b9b7e3 100644
--- a/drivers/iio/common/ms_sensors/Makefile
+++ b/drivers/iio/common/ms_sensors/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for the Measurement Specialties sensor common modules.
#
diff --git a/drivers/iio/common/ssp_sensors/Kconfig b/drivers/iio/common/ssp_sensors/Kconfig
index 0ea4faf016d8..5262409e4421 100644
--- a/drivers/iio/common/ssp_sensors/Kconfig
+++ b/drivers/iio/common/ssp_sensors/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# SSP sensor drivers and commons configuration
#
diff --git a/drivers/iio/common/ssp_sensors/Makefile b/drivers/iio/common/ssp_sensors/Makefile
index 1e0389eb0905..ba831429b20a 100644
--- a/drivers/iio/common/ssp_sensors/Makefile
+++ b/drivers/iio/common/ssp_sensors/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for SSP sensor drivers and commons.
#
diff --git a/drivers/iio/common/st_sensors/Kconfig b/drivers/iio/common/st_sensors/Kconfig
index 865f1ca33eb9..91b98e152d75 100644
--- a/drivers/iio/common/st_sensors/Kconfig
+++ b/drivers/iio/common/st_sensors/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# STMicroelectronics sensors common library
#
diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig
index fbef9107acad..cc42219a64f7 100644
--- a/drivers/iio/dac/Kconfig
+++ b/drivers/iio/dac/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# DAC drivers
#
diff --git a/drivers/iio/dummy/Kconfig b/drivers/iio/dummy/Kconfig
index c4fd108e91d3..5c5c2f8c55f3 100644
--- a/drivers/iio/dummy/Kconfig
+++ b/drivers/iio/dummy/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Industrial I/O subsystem Dummy Driver configuration
#
diff --git a/drivers/iio/frequency/Kconfig b/drivers/iio/frequency/Kconfig
index dc5e0b72882f..c86db8b42380 100644
--- a/drivers/iio/frequency/Kconfig
+++ b/drivers/iio/frequency/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Frequency
# Direct Digital Synthesis drivers (DDS)
diff --git a/drivers/iio/frequency/Makefile b/drivers/iio/frequency/Makefile
index 2bca03f3e2e3..f2e396d40ddd 100644
--- a/drivers/iio/frequency/Makefile
+++ b/drivers/iio/frequency/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile iio/frequency
#
diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig
index 61c00cee037d..95e6f96d4529 100644
--- a/drivers/iio/gyro/Kconfig
+++ b/drivers/iio/gyro/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# IIO Digital Gyroscope Sensor drivers configuration
#
diff --git a/drivers/iio/health/Kconfig b/drivers/iio/health/Kconfig
index a2ecb4c94c2a..a89f3abf11f4 100644
--- a/drivers/iio/health/Kconfig
+++ b/drivers/iio/health/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Health sensors
#
diff --git a/drivers/iio/health/Makefile b/drivers/iio/health/Makefile
index 3558f9d64954..910817112258 100644
--- a/drivers/iio/health/Makefile
+++ b/drivers/iio/health/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for IIO Health sensors
#
diff --git a/drivers/iio/humidity/Kconfig b/drivers/iio/humidity/Kconfig
index f1a8ec9d637b..6c5507a6cd74 100644
--- a/drivers/iio/humidity/Kconfig
+++ b/drivers/iio/humidity/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# humidity sensor drivers
#
diff --git a/drivers/iio/imu/Kconfig b/drivers/iio/imu/Kconfig
index 156630a21696..4957e6df447e 100644
--- a/drivers/iio/imu/Kconfig
+++ b/drivers/iio/imu/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# IIO imu drivers configuration
#
diff --git a/drivers/iio/imu/bmi160/Kconfig b/drivers/iio/imu/bmi160/Kconfig
index 005c17ccc2b0..9d14d85cca16 100644
--- a/drivers/iio/imu/bmi160/Kconfig
+++ b/drivers/iio/imu/bmi160/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# BMI160 IMU driver
#
diff --git a/drivers/iio/imu/bmi160/Makefile b/drivers/iio/imu/bmi160/Makefile
index 10365e493ae2..fdcfeddf48d4 100644
--- a/drivers/iio/imu/bmi160/Makefile
+++ b/drivers/iio/imu/bmi160/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for Bosch BMI160 IMU
#
diff --git a/drivers/iio/imu/inv_mpu6050/Kconfig b/drivers/iio/imu/inv_mpu6050/Kconfig
index d2fe9dbddda7..395f3bd7de0a 100644
--- a/drivers/iio/imu/inv_mpu6050/Kconfig
+++ b/drivers/iio/imu/inv_mpu6050/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# inv-mpu6050 drivers for Invensense MPU devices and combos
#
diff --git a/drivers/iio/imu/st_lsm6dsx/Kconfig b/drivers/iio/imu/st_lsm6dsx/Kconfig
index 9e592973a8a6..002a423eae52 100644
--- a/drivers/iio/imu/st_lsm6dsx/Kconfig
+++ b/drivers/iio/imu/st_lsm6dsx/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
config IIO_ST_LSM6DSX
tristate "ST_LSM6DSx driver for STM 6-axis IMU MEMS sensors"
diff --git a/drivers/iio/imu/st_lsm6dsx/Makefile b/drivers/iio/imu/st_lsm6dsx/Makefile
index e5f733ce6e11..28cc67399d94 100644
--- a/drivers/iio/imu/st_lsm6dsx/Makefile
+++ b/drivers/iio/imu/st_lsm6dsx/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
st_lsm6dsx-y := st_lsm6dsx_core.o st_lsm6dsx_buffer.o \
st_lsm6dsx_shub.o
diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig
index 954c958cfc43..e3fd00b595d0 100644
--- a/drivers/iio/light/Kconfig
+++ b/drivers/iio/light/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Light sensors
diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig
index 8a63cbbca4b7..1697a8c03506 100644
--- a/drivers/iio/magnetometer/Kconfig
+++ b/drivers/iio/magnetometer/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Magnetometer sensors
#
diff --git a/drivers/iio/multiplexer/Kconfig b/drivers/iio/multiplexer/Kconfig
index 735a7b0e6fd8..a1e1332d1206 100644
--- a/drivers/iio/multiplexer/Kconfig
+++ b/drivers/iio/multiplexer/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Multiplexer drivers
#
diff --git a/drivers/iio/multiplexer/Makefile b/drivers/iio/multiplexer/Makefile
index 68be3c4abd07..f069ab781d95 100644
--- a/drivers/iio/multiplexer/Makefile
+++ b/drivers/iio/multiplexer/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for industrial I/O multiplexer drivers
#
diff --git a/drivers/iio/orientation/Kconfig b/drivers/iio/orientation/Kconfig
index e3aa1e58d920..a505583cc2fd 100644
--- a/drivers/iio/orientation/Kconfig
+++ b/drivers/iio/orientation/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Inclinometer sensors
#
diff --git a/drivers/iio/orientation/Makefile b/drivers/iio/orientation/Makefile
index 4734dabbde13..7800ed293a9a 100644
--- a/drivers/iio/orientation/Makefile
+++ b/drivers/iio/orientation/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for industrial I/O Inclinometer sensor drivers
#
diff --git a/drivers/iio/potentiometer/Kconfig b/drivers/iio/potentiometer/Kconfig
index a81a3a1b4dc8..ebc7c72a5e36 100644
--- a/drivers/iio/potentiometer/Kconfig
+++ b/drivers/iio/potentiometer/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Potentiometer drivers
#
diff --git a/drivers/iio/potentiostat/Kconfig b/drivers/iio/potentiostat/Kconfig
index 1e3baf2cc97d..72501bf1635f 100644
--- a/drivers/iio/potentiostat/Kconfig
+++ b/drivers/iio/potentiostat/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Potentiostat drivers
#
diff --git a/drivers/iio/potentiostat/Makefile b/drivers/iio/potentiostat/Makefile
index 64d315ef4449..be78b46acbab 100644
--- a/drivers/iio/potentiostat/Makefile
+++ b/drivers/iio/potentiostat/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for industrial I/O potentiostat drivers
#
diff --git a/drivers/iio/pressure/Kconfig b/drivers/iio/pressure/Kconfig
index efeb89f3df71..b191811fd749 100644
--- a/drivers/iio/pressure/Kconfig
+++ b/drivers/iio/pressure/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Pressure drivers
#
diff --git a/drivers/iio/proximity/Kconfig b/drivers/iio/proximity/Kconfig
index e9f254ae3892..6b5cce6f1a7b 100644
--- a/drivers/iio/proximity/Kconfig
+++ b/drivers/iio/proximity/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Proximity sensors
#
diff --git a/drivers/iio/resolver/Kconfig b/drivers/iio/resolver/Kconfig
index 786801be54f6..47dbfead9b31 100644
--- a/drivers/iio/resolver/Kconfig
+++ b/drivers/iio/resolver/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Resolver/Synchro drivers
#
diff --git a/drivers/iio/resolver/Makefile b/drivers/iio/resolver/Makefile
index 398d82d50028..fa558138ce45 100644
--- a/drivers/iio/resolver/Makefile
+++ b/drivers/iio/resolver/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for Resolver/Synchro drivers
#
diff --git a/drivers/iio/temperature/Kconfig b/drivers/iio/temperature/Kconfig
index c185cbee25c7..737faa0901fe 100644
--- a/drivers/iio/temperature/Kconfig
+++ b/drivers/iio/temperature/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Temperature sensor drivers
#
diff --git a/drivers/iio/trigger/Kconfig b/drivers/iio/trigger/Kconfig
index a633d2c8e805..8cef2f7452e8 100644
--- a/drivers/iio/trigger/Kconfig
+++ b/drivers/iio/trigger/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Industrial I/O standalone triggers
#