In buffered mode, output samples are shifted left
unconditionally. This works for filter order 3,
but this shift is not adapted for other filter orders.
Compute required shift, left or right, and shift
output data accordingly.
Add also saturation management to avoid wrap-around
when maximum positive sample is reached.
Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Fixes: eca949800d ("IIO: ADC: add stm32 DFSDM support for PDM microphone")
Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The problem is that "ret" is an int but we're casting it as
"(unsigned long *)&ret" when we do the for_each_set_bit() loop. This
will not work on big endian 64 bit systems.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The iio_triggered_buffer_{predisable,postenable} functions attach/detach
the poll functions.
For the predisable hook, the disable code should occur before detaching
the poll func, and for the postenable hook, the poll func should be
attached before the enable code.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Acked-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Pull staging/IIO/counter fixes from Greg KH:
"Here are some small driver bugfixes for some staging/iio/counter
drivers.
Staging and IIO have been lumped together for a while, as those
subsystems cross the areas a log, and counter is used by IIO, so
that's why they are all in one pull request here.
These are small fixes for reported issues in some iio drivers, the
erofs filesystem, and a build issue for counter code.
All have been in linux-next with no reported issues"
* tag 'staging-5.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: erofs: add requirements field in superblock
counter/ftm-quaddec: Add missing dependencies in Kconfig
staging: iio: adt7316: Fix build errors when GPIOLIB is not set
iio: temperature: mlx90632 Relax the compatibility check
iio: imu: st_lsm6dsx: fix PM support for st_lsm6dsx i2c controller
staging:iio:ad7150: fix threshold mode config bit
Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 4122 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation this program
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fitness for a particular purpose see the gnu general public license
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 3 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081205.739216165@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation this program is
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without even the implied warranty of merchantability or fitness for
a particular purpose see the gnu general public license 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 1 file(s).
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Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081205.379537898@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation the gpl this program is
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fitness for a particular purpose see the gnu general public license
version 2 gplv2 for more details you should have received a copy of
the gnu general public license version 2 gplv2 along with this
source code
extracted by the scancode license scanner the SPDX license identifier
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has been chosen to replace the boilerplate/reference in 16 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081201.771169395@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jonathan writes:
Second set of IIO fixes for the 5.2 cycle.
* ad7150
- sense of bit for controlling adaptive vs fixed threshold was flipped.
* adt7316
- Fix a build issue due to wrong headers for gpio usage.
* lsm6dsx
- correctly suspend / resume i2c slaves when the host goes to sleep.
* mlx90632
- relax a compatability check to allow for newer devices.
Also one counters fix
* counter/ftm-quaddec
- missing dependencies in Kconfig.
* tag 'iio-fixes-for-5.2b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
counter/ftm-quaddec: Add missing dependencies in Kconfig
staging: iio: adt7316: Fix build errors when GPIOLIB is not set
iio: temperature: mlx90632 Relax the compatibility check
iio: imu: st_lsm6dsx: fix PM support for st_lsm6dsx i2c controller
staging:iio:ad7150: fix threshold mode config bit
Since the XADC logic can be used with standalone Xilinx FPGAs, this
driver can potentially be used with many different platforms, not just
the Zynq and MicroBlaze platforms this driver was allowed to be built
for. There should be no platform-specific code in this driver, so just
delete the platform dependency.
Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The dht11 driver uses a single gpio to make measurements. It was
using the older global gpio numberspace. The patch replaces the
old gpio api with the new gpio descriptor based api.
Removed header files "linux/gpio.h" and "linux/of_gpio.h"
Signed-off-by: Shobhit Kukreti <shobhitkukreti@gmail.com>
Acked-by: Harald Geyer <harald@ccbib.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ADL5240 is a high performance, digitally controlled variable gain
amplifier (VGA) operating from 100 MHz to 4000 MHz. The VGA integrates a
high performance, 20 dB gain, internally matched amplifier (AMP) with a
6-bit digital step attenuator (DSA) that has a gain control range of
31.5 dB in 0.5 dB steps with ±0.25 dB step accuracy.
Datasheet link:
https://www.analog.com/media/en/technical-documentation/data-sheets/adl5240.pdf
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The SPI gain amplifiers are simple devices, with 1 or 2 channels, to which
are read-from/written-to.
The gain computation in ad8366_write_raw() has been updated to compute gain
in dB for negative values.
This driver will be extended to support other chips as well.
To do that, this rework handles the AD8366 device as a special-case (via
switch-statements). This will make things easier when adding new chips.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This driver is still using iio_dev's mlock to guard against inconsistent
state. This has been discouraged for some time.
This change switches to using it's own mutex, defined on the state struct.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use the new `SPDX-License-Identifier` tag to specify the license.
For ad8366, also update copyright years in the header part.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The iio_triggered_buffer_{predisable,postenable} functions attach/detach
the poll functions.
For the predisable hook, the disable code should occur before detaching
the poll func, and for the postenable hook, the poll func should be
attached before the enable code.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ADF4371 is a frequency synthesizer with an integrated voltage
controlled oscillator (VCO) for phase-locked loops (PLLs). The ADF4371
has an integrated VCO with a fundamental output frequency ranging from
4000 MHz to 8000 MHz. In addition, the VCO frequency is connected to
divide by 1, 2, 4, 8, 16, 32, or 64 circuits that allows the user to
generate radio frequency (RF) output frequencies as low as 62.5 MHz at
RF8x. A frequency multiplier at RF16x generates from 8 GHz to 16 GHz. A
frequency quadrupler generates frequencies from 16 GHz to 32 GHz at RF32x.
RFAUX8x duplicates the frequency range of RF8x or permits direct access to
the VCO output.
The driver takes the reference input frequency from the device tree and
uses it to calculate and maximize the PFD frequency (frequency of the phase
frequency detector). The PFD frequency is further used to calculate the
timeouts: synthesizer lock, VCO band selection, automatic level
calibration (ALC) and PLL settling time.
This initial driver exposes the attributes for setting the frequency and
enabling/disabling the different adf4371 channels.
Datasheet:
Link: https://www.analog.com/media/en/technical-documentation/data-sheets/adf4371.pdf
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Introduce sensor name in st_lsm6dsx_sensor_settings table. This is
a preliminary patch to add I3C support to st_lsm6dsx since i3c_device_id
data structure does not contain a name field
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
average_en is always true, so there is not really need for
this structure member.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
All the parameters of devm_request_irq() can fit into a
single line, so place them all in a single line
for better readability.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Since the input clock is always 24MHz, there is no need for storing
this value into a variable.
Use a definition instead, which is more appropriate in this case.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
In case of ioremap failure, the core code will take care of printing
the error message, so there is no need for having a local error
message in the driver.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The stk3335 light/proximity sensor is similar to the stk3310 and stk3311
sensors and works with the stk3310 driver.
Signed-off-by: Martijn Braam <martijn@brixit.nl>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The incorrect limit for the for_each_set_bit loop was noticed whilst fixing
this other case. Note that as we only have 3 possible entries a the moment
and the value was set to 4, the bug would not have any effect currently.
It will bite fairly soon though, so best fix it now.
See commit ef4b485659 ("iio:core: Fix bug in length of event info_mask and
catch unhandled bits set in masks.") for details.
Signed-off-by: Young Xiao <92siuyang@gmail.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Because this driver will support multiple configurations for software,
the software configuration was made generic.
Signed-off-by: Beniamin Bia <beniamin.bia@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The device dependent options which are going to be different for devices
which will be supported in the future by this driver,
were moved in chip info for a more generic driver. This patch allows
supporting more devices by the driver. Also, it is an intermediate
step of adding support for ad7616 in software mode.
Signed-off-by: Beniamin Bia <beniamin.bia@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Some ultrabooks, like Teclast F6 Pro, use KIOX010A sensor on display
and KIOX020A sensor on keyboard base, to detect tablet mode or screen
orientation.
Signed-off-by: Luís Ferreira <luis@aurorafoss.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The DPS310 supports measurement of pressure, so support that in the
driver. Use background measurement like the temperature sensing and
default to lowest precision and lowest measurement rate.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation you should have received a
copy of the gnu general public license along with this program if
not see http www gnu org licenses
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Link: https://lkml.kernel.org/r/20190531190115.962665879@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
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Link: https://lkml.kernel.org/r/20190531190115.503150771@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
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has been chosen to replace the boilerplate/reference in 101 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Link: https://lkml.kernel.org/r/20190531190113.822954939@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 of
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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
extracted by the scancode license scanner the SPDX license identifier
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation this program is
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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
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software foundation inc 51 franklin st fifth floor boston ma 02110
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation this program
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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
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Link: https://lkml.kernel.org/r/20190530000436.567572064@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 2 normalized pattern(s):
it and or modify it under the terms of the gnu general public
license version 2 as published by the free software foundation this
program is distributed in the hope 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
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation this program
is distributed in the hope 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
extracted by the scancode license scanner the SPDX license identifier
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation this program
is distributed in the hope 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
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Based on 1 normalized pattern(s):
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
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warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 and
only version 2 as published by the free software foundation 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
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
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Based on 1 normalized pattern(s):
this software is licensed under the terms of the gnu general public
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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
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 285 file(s).
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
license gplv2
and 1 additional normalized pattern(s):
this program is free software you can redistribute it and or modify it
under the terms and conditions of the gnu general public license version
2 as published by the free software foundation this program is
distributed in the hope 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
extracted by the scancode license scanner the SPDX license identifier
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has been chosen to replace the boilerplate/reference in 5 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141332.723143934@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pull yet more SPDX updates from Greg KH:
"Here is another set of reviewed patches that adds SPDX tags to
different kernel files, based on a set of rules that are being used to
parse the comments to try to determine that the license of the file is
"GPL-2.0-or-later" or "GPL-2.0-only". Only the "obvious" versions of
these matches are included here, a number of "non-obvious" variants of
text have been found but those have been postponed for later review
and analysis.
There is also a patch in here to add the proper SPDX header to a bunch
of Kbuild files that we have missed in the past due to new files being
added and forgetting that Kbuild uses two different file names for
Makefiles. This issue was reported by the Kbuild maintainer.
These patches have been out for review on the linux-spdx@vger mailing
list, and while they were created by automatic tools, they were
hand-verified by a bunch of different people, all whom names are on
the patches are reviewers"
* tag 'spdx-5.2-rc3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (82 commits)
treewide: Add SPDX license identifier - Kbuild
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 225
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 224
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 223
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 222
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 221
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 220
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 218
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 217
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 216
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 215
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 214
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 213
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 211
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 210
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 209
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 207
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 203
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
...
Pull staging and IIO driver fixes from Greg KH:
"Here are some Staging and IIO driver fixes to resolve some reported
problems for 5.2-rc3.
Nothing major here, just some tiny changes, full details are in the
shortlog.
All have been in linux-next for a while with no reported issues"
* tag 'staging-5.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: kpc2000: Add dependency on MFD_CORE to kconfig symbol 'KPC2000'
staging: wilc1000: Fix some double unlock bugs in wilc_wlan_cleanup()
staging: vc04_services: prevent integer overflow in create_pagelist()
Staging: vc04_services: Fix a couple error codes
staging: wlan-ng: fix adapter initialization failure
staging: kpc2000: double unlock in error handling in kpc_dma_transfer()
staging: kpc2000: Fix build error without CONFIG_UIO
staging: kpc2000: fix build error on xtensa
staging: erofs: set sb->s_root to NULL when failing from __getname()
iio: adc: ti-ads8688: fix timestamp is not updated in buffer
iio: dac: ds4422/ds4424 fix chip verification
iio: imu: mpu6050: Fix FIFO layout for ICM20602
iio: adc: ads124: avoid buffer overflow
iio: adc: modify NPCM ADC read reference voltage
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation this program
is distributed in the hope 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 see http www gnu org
licenses
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 228 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528171438.107155473@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
