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As specified by the datasheet we should write the value 0x3 (enable
plus tracking gain) into the MU_CNT1 register during the MU lock phase.
Currently we were only setting the enable bit (bit 0) as the tracking
gain default value is already set to 1. While we should be mostly fine
in assuming the tracking gain will have the value it should, better to
explicitly write it. On top of that the datasheet also states to
re-attempt the writes in case the lock fails which we were not doing for
the tracking gain bit.
Lastly, the recommended value for the MU phase slope lock (bit 6) is 0
but for some reason the default value is 1 and hence, we were not
changing it accordingly.
Note there was no problem with the MU lock mechanism so this is not
being treated as a fix but rather an improvement.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240429-ad9739a-improv-v1-1-c076a06a697d@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_for_completion_interruptible_timeout() causing patterns like:
timeout = wait_for_completion_interruptible_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20240429113313.68359-9-wsa+renesas@sang-engineering.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_for_completion_interruptible_timeout() causing patterns like:
timeout = wait_for_completion_interruptible_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20240429113313.68359-8-wsa+renesas@sang-engineering.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_for_completion_interruptible_timeout() causing patterns like:
timeout = wait_for_completion_interruptible_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20240429113313.68359-7-wsa+renesas@sang-engineering.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_for_completion_interruptible_timeout() causing patterns like:
timeout = wait_for_completion_interruptible_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20240429113313.68359-6-wsa+renesas@sang-engineering.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_for_completion_interruptible_timeout() causing patterns like:
timeout = wait_for_completion_interruptible_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20240429113313.68359-5-wsa+renesas@sang-engineering.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_for_completion_interruptible_timeout() causing patterns like:
timeout = wait_for_completion_interruptible_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20240429113313.68359-4-wsa+renesas@sang-engineering.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_for_completion_timeout() causing patterns like:
timeout = wait_for_completion_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20240429113313.68359-3-wsa+renesas@sang-engineering.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_for_completion_timeout() causing patterns like:
timeout = wait_for_completion_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240429113313.68359-2-wsa+renesas@sang-engineering.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This loop definition removes the need for manual releasing of the
fwnode_handle in early exit paths (here an error path) allow
simplification of the code and reducing the chance of future
modifications not releasing fwnode_handle correctly.
Co-developed-by: Luiza Soezima <lbrsoezima@usp.br>
Signed-off-by: Luiza Soezima <lbrsoezima@usp.br>
Co-developed-by: Sabrina Araujo <sabrinaaraujo@usp.br>
Signed-off-by: Sabrina Araujo <sabrinaaraujo@usp.br>
Signed-off-by: Lincoln Yuji <lincolnyuji@usp.br>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Link: https://lore.kernel.org/r/20240429132233.6266-1-lincolnyuji@usp.br
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Octal permissions are preferred over the symbolics ones
for readbility. This ceases warning message pointed by checkpatch.
Co-developed-by: Bruna Lopes <brunaafl@usp.br>
Signed-off-by: Bruna Lopes <brunaafl@usp.br>
Signed-off-by: Gustavo Rodrigues <ogustavo@usp.br>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240428194326.2836387-4-ogustavo@usp.br
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add a blank line before if statement to avoid warning messages pointed by
checkpatch.
Co-developed-by: Bruna Lopes <brunaafl@usp.br>
Signed-off-by: Bruna Lopes <brunaafl@usp.br>
Signed-off-by: Gustavo Rodrigues <ogustavo@usp.br>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240428194326.2836387-3-ogustavo@usp.br
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Prefer 'unsigned int' instead of bare use of 'unsigned' declarations to
to improve code readbility. This ceases one of the warning messages
pointed by checkpatch.
Co-developed-by: Bruna Lopes <brunaafl@usp.br>
Signed-off-by: Bruna Lopes <brunaafl@usp.br>
Signed-off-by: Gustavo Rodrigues <ogustavo@usp.br>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240428194326.2836387-2-ogustavo@usp.br
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Switching to the _scoped() version removes the need for manual
calling of fwnode_handle_put() in the paths where the code
exits the loop early. In this case that's all in error paths.
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Reviewed-by: Marius Cristea <marius.cristea@microchip.com>
Link: https://lore.kernel.org/r/20240428174020.1832825-2-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
To make sure that we have the best timings on the serial data interface
we should calibrate it. This means going through the device supported
values and see for which ones we get a successful result. To do that, we
use a prbs test pattern both in the IIO backend and in the frontend
devices. Then for each of the test points we see if there are any
errors. Note that the backend is responsible to look for those errors.
As calibrating the interface also requires that the data format is disabled
(the one thing being done in ad9467_setup()), ad9467_setup() was removed
and configuring the data fomat is now part of the calibration process.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240426-ad9467-new-features-v2-7-6361fc3ba1cc@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Implement the new IIO backend APIs for calibrating the data
digital interfaces.
While at it, removed the tabs in 'struct adi_axi_adc_state' and used
spaces for the members.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240426-ad9467-new-features-v2-6-6361fc3ba1cc@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
In one of the following patches, we'll have some new functionality that
requires reads/writes on registers bigger than 0x8000. Hence, as this is
an highly flexible core, don't bother in setting 'max_register' and
remove it from regmap_config.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240426-ad9467-new-features-v2-5-6361fc3ba1cc@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This is in preparation for supporting interface tuning in one for the
devices using the axi-adc backend. The new added interfaces are all
needed for that calibration:
* iio_backend_test_pattern_set();
* iio_backend_chan_status();
* iio_backend_iodelay_set();
* iio_backend_data_sample_trigger().
Interface tuning is the process of going through a set of known points
(typically by the frontend), change some clk or data delays (or both)
and send/receive some known signal (so called test patterns in this
change). The receiving end (either frontend or the backend) is
responsible for validating the signal and see if it's good or not. The
goal for all of this is to come up with ideal delays at the data
interface level so we can have a proper, more reliable data transfer.
Also note that for some devices we can change the sampling rate
(which typically means changing some reference clock) and that can
affect the data interface. In that case, it's import to run the tuning
algorithm again as the values we had before may no longer be the best (or
even valid) ones.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240426-ad9467-new-features-v2-2-6361fc3ba1cc@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Using tabs and maintaining the start of the docs aligned is a pain and
may lead to lot's of unrelated changes when adding new members. Hence,
let#s change things now and just have a simple space after the member
name.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240426-ad9467-new-features-v2-1-6361fc3ba1cc@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
We can only access the IP core registers if the bus clock is enabled. As
such we need to get and enable it and not rely on anyone else to do it.
Note this clock is a very fundamental one that is typically enabled
pretty early during boot. Independently of that, we should really rely on
it to be enabled.
Fixes: ef04070692a2 ("iio: adc: adi-axi-adc: add support for AXI ADC IP core")
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240426-ad9467-new-features-v2-4-6361fc3ba1cc@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add a required clock property as we can't access the device registers if
the AXI bus clock is not properly enabled.
Note this clock is a very fundamental one that is typically enabled
pretty early during boot. Independently of that, we should really rely on
it to be enabled.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Fixes: 96553a44e96d ("dt-bindings: iio: adc: add bindings doc for AXI ADC driver")
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240426-ad9467-new-features-v2-3-6361fc3ba1cc@analog.com
Cc: <Stable@ver.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This adds support for the chain mode of the AD7944 ADC. This mode allows
multiple ADCs to be daisy-chained together. Data from all of the ADCs in
is read by reading multiple words from the first ADC in the chain.
Each chip in the chain adds an extra IIO input voltage channel to the
IIO device.
Only the wiring configuration where the SPI controller CS line is
connected to the CNV pin of all of the ADCs in the chain is supported
in this patch.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20240425-iio-ad7944-chain-mode-v1-1-9d9220ff21e1@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The last parameter of these axi_dac_(frequency|scale|phase)_set()
functions is supposed to be true for TONE_2 and false for TONE_1. The
bug is the last call where it passes "private - TONE_2". That
subtraction is going to be zero/false for TONE_2 and and -1/true for
TONE_1. Fix the bug, and re-write it as "private == TONE_2" so it's
more obvious what is happening.
Fixes: 4e3949a192e4 ("iio: dac: add support for AXI DAC IP core")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/df7c6e1b-b619-40c3-9881-838587ed15d4@moroto.mountain
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add ICM-42686-P chip supporting high FSRs (32G, 4000dps).
Create accel and gyro iio device states with dynamic scales table
set at device init.
Signed-off-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://lore.kernel.org/r/20240422152240.85974-3-inv.git-commit@tdk.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The commit in question does not proove that ACPI ID exists.
Quite likely it was a cargo cult addition while doint that
for DT-based enumeration. Drop most likely fake ACPI ID.
Googling for STK3335 gives no useful results in regard to DSDT.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240415141852.853490-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Remove in_accel_calibbias_x and in_anglvel_calibbias_x device files
description, as they do not exist and were added by mistake.
Add correct naming for in_accel_y_calibbias and in_anglvel_y_calibbias
device files and update their description.
Fixes: 8243b2877eef ("docs: iio: add documentation for adis16475 driver")
Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com>
Link: https://lore.kernel.org/r/20240424094152.103667-2-ramona.gradinariu@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Some devices use the semi-standard ACPI "ROTM" method to store
the accelerometers orientation matrix.
Add support for this using the new iio_read_acpi_mount_matrix() helper, if
the helper fails to read the matrix fall back to iio_read_mount_matrix()
which will try to get it from device-properties (devicetree) and if
that fails it will fill the matrix with the identity matrix.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218578
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240425125754.76010-5-hdegoede@redhat.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Replace the duplicate ACPI "ROTM" data parsing code with the new
shared iio_read_acpi_mount_matrix() helper.
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240425125754.76010-4-hdegoede@redhat.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Replace the duplicate ACPI "ROTM" data parsing code with the new
shared iio_read_acpi_mount_matrix() helper.
This also removes the limiting of the "ROTM" mount matrix to only ACPI
devices with an ACPI HID (Hardware-ID) of "KIOX000A". If kxcjk-1013 ACPI
devices with another HID have a ROTM method that should still be parsed
and if the method is not there then iio_read_acpi_mount_matrix() will
fail silently.
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240425125754.76010-3-hdegoede@redhat.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ACPI "ROTM" rotation matrix parsing code atm is already duplicated
between bmc150-accel-core.c and kxcjk-1013.c and a third user of this
is coming.
Add an iio_read_acpi_mount_matrix() helper function for this.
The 2 existing copies of the code are identical, except that
the kxcjk-1013.c has slightly better error logging.
To new helper is a 1:1 copy of the kxcjk-1013.c version, the only change
is the addition of a "char *acpi_method" parameter since some bmc150
dual-accel setups (360° hinges with 1 accel in kbd/base + 1 in display)
declare both accels in a single ACPI device with 2 different method names
for the 2 matrices. This new acpi_method parameter is not "const char *"
because the pathname parameter to acpi_evaluate_object() is not const.
The 2 existing copies of this function will be removed in further patches
in this series.
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240425125754.76010-2-hdegoede@redhat.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Since masklength is marked as [INTERN], no drivers should assign it and
the value will always be 0. Therefore, the local ml accumulator variable
in iio_buffers_alloc_sysfs_and_mask() will always start out as 0.
This changes the code to explicitly set ml to 0 to make it clear that
drivers should not be trying to override the masklength field.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20240425-b4-iio-masklength-cleanup-v1-3-d3d16318274d@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The masklength field is marked as [INTERN] and should not be set by
drivers, so remove the assignment in the mxs-lradc-adc driver.
__iio_device_register() will populate this field with the correct value.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20240425-b4-iio-masklength-cleanup-v1-2-d3d16318274d@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The masklength field is marked as [INTERN] and should not be set by
drivers, so remove the assignment in the ad7266 driver.
__iio_device_register() will populate this field with the correct value.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20240425-b4-iio-masklength-cleanup-v1-1-d3d16318274d@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Using iio_device_claim_direct_scoped() to automate mode claim and release
simplifies code flow and allows for straight-forward error handling with
direct returns on errors.
Signed-off-by: Gabriel Schwartz <gschwartz@usp.br>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Reviewed-by: ChiYuan Huang <cy_huang@richtek.com>
Link: https://lore.kernel.org/r/20240426200118.20900-1-gschwartz@usp.br
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Third input argument to in_range() function requires the number of
values in range, not the last value in that range. Update macro for
persistence and adaptive threshold to reflect number of values
supported instead of the maximum values supported.
Fixes: 620d1e6c7a3f ("iio: light: Add support for APDS9306 Light Sensor")
Signed-off-by: Subhajit Ghosh <subhajit.ghosh@tweaklogic.com>
Link: https://lore.kernel.org/r/20240427090914.37274-1-subhajit.ghosh@tweaklogic.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The Analog Device team (Paul Cercueil and Nuno Sa) have been working on
improving high speed device handling. They have had some support in their
own tree for many years, so it is great to see them bring it to upstream.
Some of that is seen here, with the first output device using the
IIO dmaengine infrastructure and a new DAC backend FPGA IP driver.
This makes use of a new set of interfaces to allow backend and
front end driver communication in a fashion that in theory at least
allows for a single driver for a given ADC / DAC independent of
the IP to which is being used to deal with the data bus and DMA aspects
of working with these devices. It is early days for this new
generic way of handling split devices, but as it's kernel internals only
we can merrily change anything about it as a wider diversity of devices
show up and we get a better feel for what works.
Alongside the usual set of new drivers and features we have
the automatic cleanup of fwnode_handle_put() which didn't quite make
it in last cycle. The equivalent DT version was merged by Rob Herring
via the DT binding tree and one patch using that in IIO can also be
found in this pull request. Rob has been making extensive use of that
infrastructure in the DT core which is good to see and provides more
evidence this basic approach is useful.
In some cases, the IIO driver was converted over from DT only to
using the generic firmware description handling of property.h
including using the new macros. The general preference for IIO
is to use this more generic handling where possible - a bunch of other
drivers have been converted this cycle as well.
New device support
==================
adi,ad7173
- New driver supporting AD7172-2, AD7172-4 AD7173-9, AD7175-2, AD7175-8,
AD7176-2 and AD7177-2 ADCs.
- Follow up fix for an accidental use of logic not instead of bitwise.
adi,ad7944
- New driver supporting AD7944, AD7985 and AD7986 pin compatible ADCs.
- Later patch added use of new spi_optimize_message() to reduce overheads
of setting up a reused message.
- Additional changes later in series reduced code duplication.
adi,ad9739a RF DAC
- New driver for this 14-bit 2.5 GSPS DAC via an LVDS interface.
adi,axi-dac
- Support for this FPGA IP used to send data to high performance DACs over
an interface such as JESD204B/C or parallel interfaces. Used in
conjunction with a DAC driver. The initial user is the ad9739a.
The dmaengine-buffer needed various changes to make it bidirectional.
avago,apds9306
- New driver for this ambient light sensor.
- Fix much later in this pull for an off by 1 error.
New device IDs
==============
For these at most an ID and a instance of chip specific data was needed.
Always nice to see manufacturers sticking to an existing software interface
for new parts.
allwinner,sun20i
- Add support for h616.
invensense,mpu6050
- Add support for ICM42688
maxim,max30102
- Add compatible for MAX30101
ti,dac5571
- Add compatible for DAC081C081
General
=======
fwnode_handle
- Support for cleanup.h based __free(fwnode_handle)
- Loop macro using this for looping over child nodes without needing to
call fwnode_handle_put() in ever early exit from the loop.
- Used in:
* adi,ad3552r
* adi,ad4130
* adi,ad5770r
* adi,ad74413r
* adi,ad7173
* adi,adfm2000
* linear,ltc2688
* linear,ltc2983
* maxim,max11410
* microchip,pac1934
* qcom,spmi-adc
* renesas,rz2gl
* st,ab8500
* st,stm32 (Fix for failure to set return value precedes this patch,
providing an example of why enabling direct returns makes bugs
less likely)
- Conversions to fwnode also using the cleanup logic
* adi,ad7124
* adi,ad7292
* freescale,fsl-imx25-gcq
- Other conversions to fwnode where the new cleanup handling isn't useful
* adi,ad7192
* avia,hx711
* freescale,mma8452
* nxp,fxls8962af
* st,spear
* ti,twl4030
Features
========
adi,adxl345
- Support SPI_3WIRE mode.
adi,ad9944
- Support 3-wire mode, note this isn't normal 3-wire SPI (unlike the
adxl345 change above), but rather a wiring scheme where the SPI
chip select is used to trigger conversions rather than using a
separate pin.
- Add some device specific documentation, mostly around the various wiring
schemes.
invensense,mpu6050
- Add Wake on Motion support as an IIO event and as a wake-up source.
linear,ltc2983
- Add vdd-supply.
ti,hdc3020
- Add power management using trigger on demand mode and adding suspend and
resume handling.
- Use reset GPIO if available.
Cleanup and fixes
================
iio core
- Use the various autocleanup and lock guards from cleanup.h to simplify
the IIO core.
- Don't set the pointer used for iio_priv() if it is zero sized as that
points beyond the end of the allocation. No driver actually uses it
in that case but good to clean this up.
various drivers
- Drop unnecessary casts of other pointer types to void *
docs
- Add missing ABI entry for in_temp_input.
adi,adx345
- General cleanup prior to adding spi-3wire mode.
adi,axi-adc
- Be more flexible and allow minor version changes as these are expected
to be backwards compatible.
avago,apds9300/9600
- Merge near identical bindings. The drivers are quite different, but
the bindings can be shared. The apds9306 binding introduced in this
series uses this shared binding doc as well.
- Add missing vdd-supply
- Update binding to use IRQ_TYPE_LEVEL_LOW instead of 8.
bosch,bmp280
- Organize headers
freescale,fxl-imx25-gcq
- Use devm_ for remaining probe() time setup allowing dropping
of specific error handling and remove() functions.
infineon,dps310
- Fix handling of negative temperatures
- Bring style of other similar calls inline with the form needed
for temperatures
- Ensure error handling of regmap calls is consistent within the driver.
- Simplify scale reading logic.
invensense,mpu6050
- Flip logic in binding to exclude devices without i2c-gate instead
of opting in. The list is expected to be much shorter as all recent
devices support this feature.
honeywell,hsc030pa
- Use spi_read() instead of opening coding.
renesas,rcar
- Use device_for_each_child_of_node_scoped() to remove need to manually
release. Left over from series the rest of which went in during 6.9.
st,ab8500
- Fix naming of function parameters in kernel-doc
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Merge tag 'iio-for-6.10a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
IIO: 1st set of new device support, features and cleanup for 6.10
The Analog Device team (Paul Cercueil and Nuno Sa) have been working on
improving high speed device handling. They have had some support in their
own tree for many years, so it is great to see them bring it to upstream.
Some of that is seen here, with the first output device using the
IIO dmaengine infrastructure and a new DAC backend FPGA IP driver.
This makes use of a new set of interfaces to allow backend and
front end driver communication in a fashion that in theory at least
allows for a single driver for a given ADC / DAC independent of
the IP to which is being used to deal with the data bus and DMA aspects
of working with these devices. It is early days for this new
generic way of handling split devices, but as it's kernel internals only
we can merrily change anything about it as a wider diversity of devices
show up and we get a better feel for what works.
Alongside the usual set of new drivers and features we have
the automatic cleanup of fwnode_handle_put() which didn't quite make
it in last cycle. The equivalent DT version was merged by Rob Herring
via the DT binding tree and one patch using that in IIO can also be
found in this pull request. Rob has been making extensive use of that
infrastructure in the DT core which is good to see and provides more
evidence this basic approach is useful.
In some cases, the IIO driver was converted over from DT only to
using the generic firmware description handling of property.h
including using the new macros. The general preference for IIO
is to use this more generic handling where possible - a bunch of other
drivers have been converted this cycle as well.
New device support
==================
adi,ad7173
- New driver supporting AD7172-2, AD7172-4 AD7173-9, AD7175-2, AD7175-8,
AD7176-2 and AD7177-2 ADCs.
- Follow up fix for an accidental use of logic not instead of bitwise.
adi,ad7944
- New driver supporting AD7944, AD7985 and AD7986 pin compatible ADCs.
- Later patch added use of new spi_optimize_message() to reduce overheads
of setting up a reused message.
- Additional changes later in series reduced code duplication.
adi,ad9739a RF DAC
- New driver for this 14-bit 2.5 GSPS DAC via an LVDS interface.
adi,axi-dac
- Support for this FPGA IP used to send data to high performance DACs over
an interface such as JESD204B/C or parallel interfaces. Used in
conjunction with a DAC driver. The initial user is the ad9739a.
The dmaengine-buffer needed various changes to make it bidirectional.
avago,apds9306
- New driver for this ambient light sensor.
- Fix much later in this pull for an off by 1 error.
New device IDs
==============
For these at most an ID and a instance of chip specific data was needed.
Always nice to see manufacturers sticking to an existing software interface
for new parts.
allwinner,sun20i
- Add support for h616.
invensense,mpu6050
- Add support for ICM42688
maxim,max30102
- Add compatible for MAX30101
ti,dac5571
- Add compatible for DAC081C081
General
=======
fwnode_handle
- Support for cleanup.h based __free(fwnode_handle)
- Loop macro using this for looping over child nodes without needing to
call fwnode_handle_put() in ever early exit from the loop.
- Used in:
* adi,ad3552r
* adi,ad4130
* adi,ad5770r
* adi,ad74413r
* adi,ad7173
* adi,adfm2000
* linear,ltc2688
* linear,ltc2983
* maxim,max11410
* microchip,pac1934
* qcom,spmi-adc
* renesas,rz2gl
* st,ab8500
* st,stm32 (Fix for failure to set return value precedes this patch,
providing an example of why enabling direct returns makes bugs
less likely)
- Conversions to fwnode also using the cleanup logic
* adi,ad7124
* adi,ad7292
* freescale,fsl-imx25-gcq
- Other conversions to fwnode where the new cleanup handling isn't useful
* adi,ad7192
* avia,hx711
* freescale,mma8452
* nxp,fxls8962af
* st,spear
* ti,twl4030
Features
========
adi,adxl345
- Support SPI_3WIRE mode.
adi,ad9944
- Support 3-wire mode, note this isn't normal 3-wire SPI (unlike the
adxl345 change above), but rather a wiring scheme where the SPI
chip select is used to trigger conversions rather than using a
separate pin.
- Add some device specific documentation, mostly around the various wiring
schemes.
invensense,mpu6050
- Add Wake on Motion support as an IIO event and as a wake-up source.
linear,ltc2983
- Add vdd-supply.
ti,hdc3020
- Add power management using trigger on demand mode and adding suspend and
resume handling.
- Use reset GPIO if available.
Cleanup and fixes
================
iio core
- Use the various autocleanup and lock guards from cleanup.h to simplify
the IIO core.
- Don't set the pointer used for iio_priv() if it is zero sized as that
points beyond the end of the allocation. No driver actually uses it
in that case but good to clean this up.
various drivers
- Drop unnecessary casts of other pointer types to void *
docs
- Add missing ABI entry for in_temp_input.
adi,adx345
- General cleanup prior to adding spi-3wire mode.
adi,axi-adc
- Be more flexible and allow minor version changes as these are expected
to be backwards compatible.
avago,apds9300/9600
- Merge near identical bindings. The drivers are quite different, but
the bindings can be shared. The apds9306 binding introduced in this
series uses this shared binding doc as well.
- Add missing vdd-supply
- Update binding to use IRQ_TYPE_LEVEL_LOW instead of 8.
bosch,bmp280
- Organize headers
freescale,fxl-imx25-gcq
- Use devm_ for remaining probe() time setup allowing dropping
of specific error handling and remove() functions.
infineon,dps310
- Fix handling of negative temperatures
- Bring style of other similar calls inline with the form needed
for temperatures
- Ensure error handling of regmap calls is consistent within the driver.
- Simplify scale reading logic.
invensense,mpu6050
- Flip logic in binding to exclude devices without i2c-gate instead
of opting in. The list is expected to be much shorter as all recent
devices support this feature.
honeywell,hsc030pa
- Use spi_read() instead of opening coding.
renesas,rcar
- Use device_for_each_child_of_node_scoped() to remove need to manually
release. Left over from series the rest of which went in during 6.9.
st,ab8500
- Fix naming of function parameters in kernel-doc
* tag 'iio-for-6.10a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (108 commits)
iio: adc: ti-ads131e08: Use device_for_each_child_node_scoped() to simplify error paths.
iio: adc: adi-axi-adc: only error out in major version mismatch
iio: dac: support the ad9739a RF DAC
iio: dac: add support for AXI DAC IP core
iio: backend: add new functionality
dt-bindings: iio: dac: add docs for AD9739A
dt-bindings: iio: dac: add docs for AXI DAC IP
iio: buffer-dmaengine: Enable write support
iio: buffer-dmaengine: Support specifying buffer direction
iio: buffer-dma: Enable buffer write support
iio: buffer-dma: Rename iio_dma_buffer_data_available()
iio: buffer-dma: add iio_dmaengine_buffer_setup()
iio: pressure: dps310: simplify scale factor reading
iio: pressure: dps310: consistently check return value of `regmap_read`
iio: pressure: dps310: introduce consistent error handling
iio: pressure: dps310: support negative temperature values
dt-bindings: iio: adc: Add GPADC for Allwinner H616
iio: dac: ad5755: make use of of_device_id table
iio: imu: inv_icm42600: add support of ICM-42688-P
dt-bindings: iio: imu: add icm42688 inside inv_icm42600
...
This loop definition automatically releases the handle on early exit
reducing the chance of bugs that cause resource leaks.
Co-developed-by: Briza Mel Dias de Sousa <brizamel.dias@usp.br>
Signed-off-by: Briza Mel Dias de Sousa <brizamel.dias@usp.br>
Signed-off-by: Lorenzo Bertin Salvador <lorenzobs@usp.br>
Link: https://lore.kernel.org/r/20240420182744.153184-2-lorenzobs@usp.br
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Here are some small char/misc and other driver fixes for 6.9-rc5.
Included in here are the following:
- binder driver fix for reported problem
- speakup crash fix
- mei driver fixes for reported problems
- comdei driver fix
- interconnect driver fixes
- rtsx driver fix
- peci.h kernel doc fix
All of these have been in linux-next for over a week with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc driver fixes from Greg KH:
"Here are some small char/misc and other driver fixes for 6.9-rc5.
Included in here are the following:
- binder driver fix for reported problem
- speakup crash fix
- mei driver fixes for reported problems
- comdei driver fix
- interconnect driver fixes
- rtsx driver fix
- peci.h kernel doc fix
All of these have been in linux-next for over a week with no reported
problems"
* tag 'char-misc-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
peci: linux/peci.h: fix Excess kernel-doc description warning
binder: check offset alignment in binder_get_object()
comedi: vmk80xx: fix incomplete endpoint checking
mei: vsc: Unregister interrupt handler for system suspend
Revert "mei: vsc: Call wake_up() in the threaded IRQ handler"
misc: rtsx: Fix rts5264 driver status incorrect when card removed
mei: me: disable RPL-S on SPS and IGN firmwares
speakup: Avoid crash on very long word
interconnect: Don't access req_list while it's being manipulated
interconnect: qcom: x1e80100: Remove inexistent ACV_PERF BCM
Here are 2 changes for 6.9-rc5 that deal with "driver core" stuff, that
do the following:
- sysfs reference leak fix
- embargoed-hardware-issues.rst update for Power
Both of these have been in linux-next for over a week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull kernfs bugfix and documentation update from Greg KH:
"Here are two changes for 6.9-rc5 that deal with "driver core" stuff,
that do the following:
- sysfs reference leak fix
- embargoed-hardware-issues.rst update for Power
Both of these have been in linux-next for over a week with no reported
issues"
* tag 'driver-core-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
Documentation: embargoed-hardware-issues.rst: Add myself for Power
fs: sysfs: Fix reference leak in sysfs_break_active_protection()
Here are some small tty and serial driver fixes for 6.9-rc5 that resolve
a bunch of reported problems. Included in here are:
- MAINTAINERS and .mailmap update for Richard Genoud
- serial core regression fixes from 6.9-rc1 changes
- pci id cleanups
- serial core crash fix
- stm32 driver fixes
- 8250 driver fixes
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small tty and serial driver fixes for 6.9-rc5 that
resolve a bunch of reported problems. Included in here are:
- MAINTAINERS and .mailmap update for Richard Genoud
- serial core regression fixes from 6.9-rc1 changes
- pci id cleanups
- serial core crash fix
- stm32 driver fixes
- 8250 driver fixes
All of these have been in linux-next for a while with no reported
problems"
* tag 'tty-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: stm32: Reset .throttled state in .startup()
serial: stm32: Return IRQ_NONE in the ISR if no handling happend
serial: core: Fix missing shutdown and startup for serial base port
serial: core: Clearing the circular buffer before NULLifying it
MAINTAINERS: mailmap: update Richard Genoud's email address
serial/pmac_zilog: Remove flawed mitigation for rx irq flood
serial: 8250_pci: Remove redundant PCI IDs
serial: core: Fix regression when runtime PM is not enabled
serial: mxs-auart: add spinlock around changing cts state
serial: 8250_dw: Revert: Do not reclock if already at correct rate
serial: 8250_lpc18xx: disable clks on error in probe()
Here are some small USB and Thunderbolt driver fixes for 6.9-rc5.
Included in here are:
- MAINTAINER file update for invalid email address
- usb-serial device id updates
- typec driver fixes
- thunderbolt / usb4 driver fixes
- usb core shutdown fixes
- cdc-wdm driver revert for reported problem in -rc1
- usb gadget driver fixes
- xhci driver fixes
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt driver fixes from Greg KH:
"Here are some small USB and Thunderbolt driver fixes for 6.9-rc5.
Included in here are:
- MAINTAINER file update for invalid email address
- usb-serial device id updates
- typec driver fixes
- thunderbolt / usb4 driver fixes
- usb core shutdown fixes
- cdc-wdm driver revert for reported problem in -rc1
- usb gadget driver fixes
- xhci driver fixes
All of these have been in linux-next for a while with no reported
problems"
* tag 'usb-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (25 commits)
USB: serial: option: add Telit FN920C04 rmnet compositions
usb: dwc3: ep0: Don't reset resource alloc flag
Revert "usb: cdc-wdm: close race between read and workqueue"
USB: serial: option: add Rolling RW101-GL and RW135-GL support
USB: serial: option: add Lonsung U8300/U9300 product
USB: serial: option: add support for Fibocom FM650/FG650
USB: serial: option: support Quectel EM060K sub-models
USB: serial: option: add Fibocom FM135-GL variants
usb: misc: onboard_usb_hub: Disable the USB hub clock on failure
thunderbolt: Avoid notify PM core about runtime PM resume
thunderbolt: Fix wake configurations after device unplug
usb: dwc2: host: Fix dereference issue in DDMA completion flow.
usb: typec: mux: it5205: Fix ChipID value typo
MAINTAINERS: Drop Li Yang as their email address stopped working
usb: gadget: fsl: Initialize udc before using it
usb: Disable USB3 LPM at shutdown
usb: gadget: f_ncm: Fix UAF ncm object at re-bind after usb ep transport error
usb: typec: tcpm: Correct the PDO counting in pd_set
usb: gadget: functionfs: Wait for fences before enqueueing DMABUF
usb: gadget: functionfs: Fix inverted DMA fence direction
...
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Merge tag 'sched_urgent_for_v6.9_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Borislav Petkov:
- Add a missing memory barrier in the concurrency ID mm switching
* tag 'sched_urgent_for_v6.9_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Add missing memory barrier in switch_mm_cid
- Print the correct error code when FRED reports a bad event type
- Add a FRED-specific INT80 handler without the special dances that need
to happen in the current one
- Enable the using-the-default-return-thunk-but-you-should-not warning
only on configs which actually enable those special return thunks
- Check the proper feature flags when selecting BHI retpoline mitigation
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Merge tag 'x86_urgent_for_v6.9_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Fix CPU feature dependencies of GFNI, VAES, and VPCLMULQDQ
- Print the correct error code when FRED reports a bad event type
- Add a FRED-specific INT80 handler without the special dances that
need to happen in the current one
- Enable the using-the-default-return-thunk-but-you-should-not warning
only on configs which actually enable those special return thunks
- Check the proper feature flags when selecting BHI retpoline
mitigation
* tag 'x86_urgent_for_v6.9_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpufeatures: Fix dependencies for GFNI, VAES, and VPCLMULQDQ
x86/fred: Fix incorrect error code printout in fred_bad_type()
x86/fred: Fix INT80 emulation for FRED
x86/retpolines: Enable the default thunk warning only on relevant configs
x86/bugs: Fix BHI retpoline check
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Merge tag 'block-6.9-20240420' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
"Just two minor fixes that should go into the 6.9 kernel release, one
fixing a regression with partition scanning errors, and one fixing a
WARN_ON() that can get triggered if we race with a timer"
* tag 'block-6.9-20240420' of git://git.kernel.dk/linux:
blk-iocost: do not WARN if iocg was already offlined
block: propagate partition scanning errors to the BLKRRPART ioctl
