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2024-02-28iio: amplifiers: hmc425a: add support for LTC6373 Instrumentation AmplifierDumitru Ceclan1-4/+120
This adds support for LTC6373 36 V Fully-Differential Programmable-Gain Instrumentation Amplifier with 25 pA Input Bias Current. The user can program the gain to one of seven available settings through a 3-bit parallel interface (A2 to A0). Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com> Reviewed-by: Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20240220153553.2432-6-mitrutzceclan@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28iio: amplifiers: hmc425a: use pointers in match tableDumitru Ceclan1-15/+16
Change the match table to use pointers instead of device ids. Remove type from state as it is not used anymore. Also make the chip_info structures const. Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com> Reviewed-by: Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20240220153553.2432-4-mitrutzceclan@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28iio: amplifiers: hmc425a: move conversion logicDumitru Ceclan1-42/+83
Move gain-dB<->code conversion logic from read_raw and write_raw to chip_info callbacks. Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com> Reviewed-by: Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20240220153553.2432-2-mitrutzceclan@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28dt-bindings: iio: hmc425a: add entry for LTC6373Dumitru Ceclan1-0/+14
The LTC6373 is a silicon, 3-bit Fully-Differential digital instrumentation amplifier that supports the following programmable gains (Vout/Vin): G = 0.25, 0.5, 1, 2, 4, 8, 16 + Shutdown. Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com> Link: https://lore.kernel.org/r/20240220153553.2432-5-mitrutzceclan@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28dt-bindings: iio: hmc425a: add conditional GPIO array size constraintsDumitru Ceclan1-3/+30
ADRF5740 and HMC540S have a 4 bit parallel interface. Update ctrl-gpios description and min/maxItems values depending on the matched compatible to correctly reflect the hardware properties. Fixes: 79f2ff6461e7 ("dt-bindings: iio: hmc425a: add entry for ADRF5740 Attenuator") Fixes: 20f87a9a26be ("dt-bindings: iio: hmc425a: add entry for HMC540S") Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com> Link: https://lore.kernel.org/r/20240220153553.2432-3-mitrutzceclan@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28dt-bindings: iio: humidity: hdc20x0: add optional interrupts propertyJosua Mayer1-0/+3
HDC2010 and HDC2080 humidity sensors both have an interrupt / data-ready signal which can be used for signaling to the host. Add binding for "interrupts" property so that boards wiring this signal may describe the connection. Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Josua Mayer <josua@solid-run.com> Link: https://lore.kernel.org/r/20240219-iio-hdc20x0-interrupt-binding-v7-1-c8ffb39c3768@solid-run.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28iio: temperature: tmp117: add support for vcc-supplyThomas Haemmerle1-0/+9
Add support to specify the VCC supply which is required to power the device. According the datasheet 7.3.1 Power Up, the device needs 1.5ms after the supply voltage reaches the operating range before the communcation can begin. Signed-off-by: Thomas Haemmerle <thomas.haemmerle@leica-geosystems.com> Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> Link: https://lore.kernel.org/r/20240219131114.134607-2-m.felsch@pengutronix.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28dt-bindings: iio: ti,tmp117: add vcc supply bindingThomas Haemmerle1-0/+5
Add the binding to specify the vcc supply. We can't make it required since this would break the backward compatibility. Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Thomas Haemmerle <thomas.haemmerle@leica-geosystems.com> Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> Link: https://lore.kernel.org/r/20240219131114.134607-1-m.felsch@pengutronix.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28iio: adc: mcp320x: Simplify device removal logicArturas Moskvinas1-20/+9
Use devm_* APIs to enable/disable regulator and to register in IIO infrastructure. Signed-off-by: Arturas Moskvinas <arturas.moskvinas@gmail.com> Link: https://lore.kernel.org/r/20240219074139.193464-2-arturas.moskvinas@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28iio: accel: kxcjk-1013: Implement ACPI method ROTM to retrieve mount matrix.Sean Rhodes1-3/+84
Implement kxj_acpi_orientation to retrieve mount matrix from ACPI ROTM method Cc: Jonathan Cameron <jic23@kernel.org> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de> Signed-off-by: Sean Rhodes <sean@starlabs.systems> Link: https://lore.kernel.org/r/19d7a10aae5238a2c8db37da1f74edb86480e17e.1708293140.git.sean@starlabs.systems Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28iio: dac: mcp4821: Switch to including mod_devicetable.h for struct ↵Jonathan Cameron1-1/+1
of_device_id definition. of.h was only included for this definition, so include the correct header instead. Reviewed-by: Nuno Sa <nuno.sa@analog.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240218173323.1023703-9-jic23@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28iio: accel: kxsd9: Switch from linux/of.h to linux/mod_devicetable.hJonathan Cameron1-1/+1
The only of specific definition used is of_device_id table and that is found in mod_devicetable.h not of.h Reviewed-by: Nuno Sa <nuno.sa@analog.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240218173323.1023703-8-jic23@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28iio: accel: bma180: Switch from linux/of.h to linux/mod_devicetable.hJonathan Cameron1-1/+1
The only of specific definition used is of_device_id table and that is found in mod_devicetable.h not of.h Reviewed-by: Nuno Sa <nuno.sa@analog.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240218173323.1023703-7-jic23@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28iio: accel: adxl372: Switch from linux/of.h to linux/mod_devicetable.hJonathan Cameron1-1/+1
The only of specific definition used is of_device_id table and that is found in mod_devicetable.h not of.h Reviewed-by: Nuno Sa <nuno.sa@analog.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240218173323.1023703-6-jic23@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28iio: adc: ads8688: Switch to mod_devicetable.h for struct of_device_id ↵Jonathan Cameron1-1/+1
definition of.h was only included to get access to this structure, so include the correct header directly instead. Reviewed-by: Nuno Sa <nuno.sa@analog.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240218173323.1023703-5-jic23@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28iio: light: al3010: Switch from linux/of.h to linux/mod_devicetable.hJonathan Cameron1-1/+1
The only of specific definition used is of_device_id table and that is found in mod_devicetable.h not of.h Reviewed-by: Nuno Sa <nuno.sa@analog.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240218173323.1023703-4-jic23@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28iio: light: al3320a: Drop unused linux/of.h includeJonathan Cameron1-1/+0
Nothing from linux/of.h used in this driver. Reviewed-by: Nuno Sa <nuno.sa@analog.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240218173323.1023703-3-jic23@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28iio: light: vl6180: Drop unused linux/of.h includeJonathan Cameron1-1/+0
Nothing from linux/of.h is used in this driver. Reviewed-by: Nuno Sa <nuno.sa@analog.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240218173323.1023703-2-jic23@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-25Merge tag 'iio-for-6.9a' of ↵Greg Kroah-Hartman112-1875/+5038
http://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 6.9 IIO Backend support =================== New approach from Nuno Sa to the problem of reuse of drivers with IIO devices that are actually the combination of a highspeed chip and an FPGA core handling the data capture and flows. It will hopefully also apply to some other split designs. The ad9467 and axi-adi drivers are converted over to this framework. New device support ================== adi,admfm2000 - New driver for this dual microwave down converter. ams,as73211 - Add support for as7331 UV sensor. richtek,rtq6056 - Add support for related parts RTQ6053 and RTQ6059 st,lsm6dsx - Add ASM330LHHXG1 accelerometer and gyro support (mainly IDs) ti,ads1298 - New driver for this medical ADC. Features ======== tests - Unit tests for the gain-time-scale helper library. bosch,bmi088 - I2C support. bosh,bmi160 - Add 10EC5280 ACPI ID. Used in a number of devices that won't get fixed. The ID is actually a PCI ID belonging to realtech. No response was received to earlier attempts to notify them of this. The manufacturers of some devices have replied to say they will not fix this incorrect ID. Add the ID and hope it isn't a problem. bosch,bmi323 - Add BOSC0200 ACPI ID. Note this is a duplicate of one in the bmc150 driver (it appears these parts share a windows driver). Both drivers perform an ID check that is safe on the other part before successfully probing. hid-sensors-als - Add color temperature and chromaticity support. Note this is a replacement for the series reverted in 6.8 that correctly handles all the potential channel combinations. honeywell,hsc030pa - Triggered buffer support (after driver cleanup). honeywell,mprls00025pa - Improved error handling. - New DT binding to allow use of part number triplet as provided in data sheet to specify equivalent of most of the binding more efficiently. - SPI support. memsic,mxc4005 - ACPI ID MDA6655 as seen in the Chuwi Minibook X 2023 ti,hdc3020 - Add threshold event support (after some driver cleanup) veml,vcnl4000 - Switch to high resolution proximity measurement. Cleanup ======= Various minor typo fixes and better use of defines etc. Treewide - Stop using ACPI_PTR(). The savings in space are small and not worth the complexity of __maybe_unused of ifdef guards. To avoid use in new IIO drivers based on copy and paste, clean it out. - cleanup.h based handling of iio_device_claim_direct_mode()/ iio_device_release_direct_mode() using scope_cond_guard(). In many drivers this is combined with other automated cleanup to give maximum simplifications. An initial set of drivers are converted over to this infrastructure. Tools - Use rewinddir() instead of seekdir() to return to start of file. core - Make iio_bus_type constant. adi,ad16475 - Use irq_get_trigger_type() instead of opencoding. adi,ad16480 - Use irq_get_trigger_type() instead of opencoding. adi,ad-sigma-delta - Avoid overwriting IRQ flags if provided by firmware. ams,as73211 - Use IIO_VAL_FRACTIONAL for scales to simplify the code and potentially improve accuracy. gts-library - Use a div64_u64() instead of a loop to do a division. honeywell,mprls00025pa - Clean up dt-binding doc. - Drop defaults when DT binding not providing values. Very unlikely these were useful given they were wrong for vast majority of supported devices. - Whitespace cleanup miramems,da280 - Use i2c_get_match_data() to replace hand rolled ACPI matching code. semtech,sx9324 - Avoid unnecessary copying of property strings. st,lsm6dsx - Improve docs, particularly wrt to making addition of new device support less noisy. st,lsm9ds0 - Use dev_err_probe() in all probe() error handling. - Improved header includes. - Tidy up termination of ID tables. ti,ads1014 - Correct upper bound on PGA (wrong value had no actual impact) ti,afe4403/4404 - devm_ useage to simplify error handling in probe() and allow() remove to be dropped. voltage-divider - Add dt-binding for io-channel-cells to allow such a device to be both an IIO consumer and IIO producer at the same time. * tag 'iio-for-6.9a' of http://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (106 commits) iio: imu: bmi323: Add ACPI Match Table iio: accel: bmc150: Document duplicate ACPI entries with bmi323 driver iio: adc: ti-ads1298: Add driver dt-bindings: iio: adc: ti-ads1298: Add bindings iio: pressure: hsc030pa add triggered buffer iio: pressure: hsc030pa add mandatory delay iio: pressure: hsc030pa: update datasheet URLs iio: pressure: hsc030pa: include cleanup iio: pressure: hsc030pa: use signed type to hold div_64() result dt-bindings: iio: pressure: honeywell,hsc030pa.yaml add spi props iio: st_sensors: lsm9ds0: Use common style for terminator in ID tables iio: st_sensors: lsm9ds0: Don't use "proxy" headers iio: st_sensors: lsm9ds0: Use dev_err_probe() everywhere iio: adc: adi-axi-adc: move to backend framework iio: adc: ad9467: convert to backend framework iio: add the IIO backend framework iio: buffer-dmaengine: export buffer alloc and free functions of: property: add device link support for io-backends dt-bindings: adc: axi-adc: update bindings for backend framework dt-bindings: adc: ad9467: add new io-backend property ...
2024-02-19iio: imu: bmi323: Add ACPI Match TableJonathan LoBue1-0/+21
Adds the ACPI match table for ASUS ROG ALLY to load the bmi323 driver with an ACPI match of "BOSC0200", and a comment about duplicate ACPI identifiers between devices using the bmc150 and bmi323 chips. Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Co-developed-by: Luke D. Jones <luke@ljones.dev> Signed-off-by: Luke D. Jones <luke@ljones.dev> Co-developed-by: Denis Benato <benato.denis96@gmail.com> Signed-off-by: Denis Benato <benato.denis96@gmail.com> Co-developed-by: Antheas Kapenekakis <lkml@antheas.dev> Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev> Signed-off-by: Jonathan LoBue <jlobue10@gmail.com> Tested-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20240216182308.27125-1-jlobue10@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: accel: bmc150: Document duplicate ACPI entries with bmi323 driverJonathan LoBue1-0/+13
Adds a description of the duplicate ACPI identifier issue between devices using bmc150 and bmi323. Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Co-developed-by: Luke D. Jones <luke@ljones.dev> Signed-off-by: Luke D. Jones <luke@ljones.dev> Co-developed-by: Denis Benato <benato.denis96@gmail.com> Signed-off-by: Denis Benato <benato.denis96@gmail.com> Co-developed-by: Antheas Kapenekakis <lkml@antheas.dev> Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev> Signed-off-by: Jonathan LoBue <jlobue10@gmail.com> Tested-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20240216182253.27069-1-jlobue10@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: adc: ti-ads1298: Add driverMike Looijmans3-0/+781
Skeleton driver for the TI ADS1298 medical ADC. This device is typically used for ECG and similar measurements. Supports data acquisition at configurable scale and sampling frequency. Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> Link: https://lore.kernel.org/r/20240216153020.485201-2-mike.looijmans@topic.nl Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19dt-bindings: iio: adc: ti-ads1298: Add bindingsMike Looijmans1-0/+80
Bindings for the TI ADS1298 medical ADC. This device is typically used for ECG and similar measurements. Supports data acquisition at configurable scale and sampling frequency. The device has so many options for connecting stuff, at this point the bindings aren't nearly complete but partial bindings are better than no bindings at all. Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20240216153020.485201-1-mike.looijmans@topic.nl Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: pressure: hsc030pa add triggered bufferPetre Rodan3-0/+53
Add triggered buffer feature. Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro> Link: https://lore.kernel.org/r/20240211075645.28777-7-petre.rodan@subdimension.ro Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: pressure: hsc030pa add mandatory delayPetre Rodan3-0/+6
Add a mandatory 2ms delay between consecutive chip reads. A Technical Note pdf specifies that the measurement cycle in these chips takes around 1.26ms. By adding this 2ms delay we make sure that we never get stale measurements. For more details, please see "Figure 1" in the pdf below: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/common/documents/sps-siot-sleep-mode-technical-note-008286-1-en-ciid-155793.pdf Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro> Link: https://lore.kernel.org/r/20240211075645.28777-6-petre.rodan@subdimension.ro Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: pressure: hsc030pa: update datasheet URLsPetre Rodan2-3/+4
Provide bus-specific technical datasheet in the _i2c.c _spi.c headers instead of the generic one. Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro> Link: https://lore.kernel.org/r/20240211075645.28777-5-petre.rodan@subdimension.ro Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: pressure: hsc030pa: include cleanupPetre Rodan3-0/+6
Add includes based on prior reviews from Andy. Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro> Link: https://lore.kernel.org/r/20240211075645.28777-4-petre.rodan@subdimension.ro Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: pressure: hsc030pa: use signed type to hold div_64() resultPetre Rodan1-1/+1
Use signed type to variable holding the result given by div_s64(). Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro> Link: https://lore.kernel.org/r/20240211075645.28777-3-petre.rodan@subdimension.ro Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19dt-bindings: iio: pressure: honeywell,hsc030pa.yaml add spi propsPetre Rodan1-0/+3
Add spi-peripheral-props.yaml requirement needed by the spi-max-frequency property. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro> Link: https://lore.kernel.org/r/20240211075645.28777-2-petre.rodan@subdimension.ro Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: st_sensors: lsm9ds0: Use common style for terminator in ID tablesandy.shevchenko@gmail.com1-1/+1
Use common style for a terminator entry in the ID tables. Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20240211201526.1518165-4-andy.shevchenko@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: st_sensors: lsm9ds0: Don't use "proxy" headersandy.shevchenko@gmail.com4-5/+12
Update header inclusions to follow IWYU (Include What You Use) principle. Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20240211201526.1518165-3-andy.shevchenko@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: st_sensors: lsm9ds0: Use dev_err_probe() everywhereandy.shevchenko@gmail.com1-10/+7
Use dev_err_probe() everywhere where it is appropriate. Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20240211201526.1518165-2-andy.shevchenko@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: adc: adi-axi-adc: move to backend frameworkNuno Sa3-358/+96
Move to the IIO backend framework. Devices supported by adi-axi-adc now register themselves as backend devices. Signed-off-by: Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20240210-iio-backend-v11-7-f5242a5fb42a@analog.com Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: adc: ad9467: convert to backend frameworkNuno Sa2-91/+178
Convert the driver to use the new IIO backend framework. The device functionality is expected to be the same (meaning no added or removed features). Also note this patch effectively breaks ABI and that's needed so we can properly support this device and add needed features making use of the new IIO framework. Given the lack of features (and devices supported) in the ad9467 driver compared with the ADI out of tree version, we don't expect any user of the upstream driver so no one should notice the ABI breakage. However, if someone is affected by this, ADI will happily support transitioning to the backend framework. Signed-off-by: Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20240210-iio-backend-v11-6-f5242a5fb42a@analog.com Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: add the IIO backend frameworkNuno Sa5-0/+508
This is a Framework to handle complex IIO aggregate devices. The typical architecture is to have one device as the frontend device which can be "linked" against one or multiple backend devices. All the IIO and userspace interface is expected to be registers/managed by the frontend device which will callback into the backends when needed (to get/set some configuration that it does not directly control). The basic framework interface is pretty simple: - Backends should register themselves with @devm_iio_backend_register() - Frontend devices should get backends with @devm_iio_backend_get() Signed-off-by: Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20240210-iio-backend-v11-5-f5242a5fb42a@analog.com Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: buffer-dmaengine: export buffer alloc and free functionsNuno Sa3-3/+9
Export iio_dmaengine_buffer_free() and iio_dmaengine_buffer_alloc(). This is in preparation of introducing IIO backends support. This will allow us to allocate a buffer and control it's lifetime from a device different from the one holding the DMA firmware properties. Effectively, in this case the struct device holding the firmware information about the DMA channels is not the same as iio_dev->dev.parent (typical case). While at it, namespace the buffer-dmaengine exports and update the current user of these buffers. Signed-off-by: Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20240210-iio-backend-v11-4-f5242a5fb42a@analog.com Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19of: property: add device link support for io-backendsOlivier Moysan1-0/+2
Add support for creating device links out of more DT properties. Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20240210-iio-backend-v11-3-f5242a5fb42a@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19dt-bindings: adc: axi-adc: update bindings for backend frameworkNuno Sa1-3/+5
'adi,adc-dev' is now deprecated and must not be used anymore. Hence, also remove it from being required. The reason why it's being deprecated is because the axi-adc CORE is now an IIO service provider hardware (IIO backends) for consumers to make use of. Before, the logic with 'adi,adc-dev' was the opposite (it was kind of consumer referencing other nodes/devices) and that proved to be wrong and to not scale. Now, IIO consumers of this hardware are expected to reference it using the io-backends property. Hence, the new '#io-backend-cells' is being added so the device is easily identified as a provider. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20240210-iio-backend-v11-2-f5242a5fb42a@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19dt-bindings: adc: ad9467: add new io-backend propertyNuno Sa1-0/+4
The ad9467 will make use of the new IIO backend framework which is a provider - consumer interface where IIO backends provide services to consumers. As such, and being this device a consumer, add the new generic io-backend property to the bindings. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20240210-iio-backend-v11-1-f5242a5fb42a@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19iio: gts-helper: Fix division loopMatti Vaittinen1-14/+1
The loop based 64bit division may run for a long time when dividend is a lot bigger than the divider. Replace the division loop by the div64_u64() which implementation may be significantly faster. Tested-by: Subhajit Ghosh <subhajit.ghosh@tweaklogic.com> Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com> Fixes: 38416c28e168 ("iio: light: Add gain-time-scale helpers") Link: https://lore.kernel.org/r/Zcn-6e-0-nh2WcfU@drtxq0yyyyyyyyyyyyyby-3.rev.dnainternet.fi Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-19Merge 6.8-rc5 into char-misc-nextGreg Kroah-Hartman824-3443/+6550
We need the iio fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-02-18Linux 6.8-rc5v6.8-rc5Linus Torvalds1-1/+1
2024-02-18misc: eeprom/idt_89hpesx: Convert data structures to LE explicitlyDawei Li1-3/+3
Kernel test robot reports following sparse warnings: >> drivers/misc/eeprom/idt_89hpesx.c:599:31: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [addressable] [assigned] [usertype] memaddr @@ got restricted __le16 [usertype] @@ drivers/misc/eeprom/idt_89hpesx.c:599:31: sparse: expected unsigned short [addressable] [assigned] [usertype] memaddr drivers/misc/eeprom/idt_89hpesx.c:599:31: sparse: restricted __le16 [usertype] ..... For data structures needs cpu_to_le* conversion, their prototype need to be declared with __le* explicitly. Declare data structures to __le* explicitly to address the issue: - struct idt_eeprom_seq::memaddr - struct idt_csr_seq::csraddr - struct idt_csr_seq::data Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202401261250.b07Yt30Z-lkp@intel.com/ Signed-off-by: Dawei Li <dawei.li@shingroup.cn> Reviewed-by: Serge Semin <fancer.lancer@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20240131033028.3099156-1-dawei.li@shingroup.cn Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-02-18comedi: remove redundant assignment to variable rangeColin Ian King1-1/+0
The variable range is being initialized with a value that is never read, it is being re-assigned later on. The initialization is redundant and can be removed. Cleans up clang scan build warning: drivers/comedi/drivers/das08.c:180:2: warning: Value stored to 'range' is never read [deadcode.DeadStores] Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Reviewed-by: Ian Abbott <abbotti@mev.co.uk> Link: https://lore.kernel.org/r/20240205180436.1841706-1-colin.i.king@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-02-18Merge tag 'kbuild-fixes-v6.8-2' of ↵Linus Torvalds9-32/+33
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Reformat nested if-conditionals in Makefiles with 4 spaces - Fix CONFIG_DEBUG_INFO_BTF builds for big endian - Fix modpost for module srcversion - Fix an escape sequence warning in gen_compile_commands.py - Fix kallsyms to ignore ARMv4 thunk symbols * tag 'kbuild-fixes-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kallsyms: ignore ARMv4 thunks along with others modpost: trim leading spaces when processing source files list gen_compile_commands: fix invalid escape sequence warning kbuild: Fix changing ELF file type for output of gen_btf for big endian docs: kconfig: Fix grammar and formatting kbuild: use 4-space indentation when followed by conditionals
2024-02-18Merge tag 'x86_urgent_for_v6.8_rc5' of ↵Linus Torvalds1-5/+18
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fix from Borislav Petkov: - Use a GB page for identity mapping only when memory of this size is requested so that mapping of reserved regions is prevented which would otherwise lead to system crashes on UV machines * tag 'x86_urgent_for_v6.8_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm/ident_map: Use gbpages only where full GB page should be mapped.
2024-02-18Merge tag 'irq_urgent_for_v6.8_rc5' of ↵Linus Torvalds4-26/+47
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Borislav Petkov: - Fix GICv4.1 affinity update - Restore a quirk for ACPI-based GICv4 systems - Handle non-coherent GICv4 redistributors properly - Prevent spurious interrupts on Broadcom devices using GIC v3 architecture - Other minor fixes * tag 'irq_urgent_for_v6.8_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/gic-v3-its: Fix GICv4.1 VPE affinity update irqchip/gic-v3-its: Restore quirk probing for ACPI-based systems irqchip/gic-v3-its: Handle non-coherent GICv4 redistributors irqchip/qcom-mpm: Fix IS_ERR() vs NULL check in qcom_mpm_init() irqchip/loongson-eiointc: Use correct struct type in eiointc_domain_alloc() irqchip/irq-brcmstb-l2: Add write memory barrier before exit
2024-02-18Merge tag 'i2c-for-6.8-rc5' of ↵Linus Torvalds4-13/+17
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "Two fixes for i801 and qcom-geni devices. Meanwhile, a fix from Arnd addresses a compilation error encountered during compile test on powerpc" * tag 'i2c-for-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: i801: Fix block process call transactions i2c: pasemi: split driver into two separate modules i2c: qcom-geni: Correct I2C TRE sequence
2024-02-18Merge tag 'powerpc-6.8-3' of ↵Linus Torvalds24-33/+77
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "This is a bit of a big batch for rc4, but just due to holiday hangover and because I didn't send any fixes last week due to a late revert request. I think next week should be back to normal. - Fix ftrace bug on boot caused by exit text sections with '-fpatchable-function-entry' - Fix accuracy of stolen time on pseries since the switch to VIRT_CPU_ACCOUNTING_GEN - Fix a crash in the IOMMU code when doing DLPAR remove - Set pt_regs->link on scv entry to fix BPF stack unwinding - Add missing PPC_FEATURE_BOOKE on 64-bit e5500/e6500, which broke gdb - Fix boot on some 6xx platforms with STRICT_KERNEL_RWX enabled - Fix build failures with KASAN enabled and 32KB stack size - Some other minor fixes Thanks to Arnd Bergmann, Benjamin Gray, Christophe Leroy, David Engraf, Gaurav Batra, Jason Gunthorpe, Jiangfeng Xiao, Matthias Schiffer, Nathan Lynch, Naveen N Rao, Nicholas Piggin, Nysal Jan K.A, R Nageswara Sastry, Shivaprasad G Bhat, Shrikanth Hegde, Spoorthy, Srikar Dronamraju, and Venkat Rao Bagalkote" * tag 'powerpc-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/iommu: Fix the missing iommu_group_put() during platform domain attach powerpc/pseries: fix accuracy of stolen time powerpc/ftrace: Ignore ftrace locations in exit text sections powerpc/cputable: Add missing PPC_FEATURE_BOOKE on PPC64 Book-E powerpc/kasan: Limit KASAN thread size increase to 32KB Revert "powerpc/pseries/iommu: Fix iommu initialisation during DLPAR add" powerpc: 85xx: mark local functions static powerpc: udbg_memcons: mark functions static powerpc/kasan: Fix addr error caused by page alignment powerpc/6xx: set High BAT Enable flag on G2_LE cores selftests/powerpc/papr_vpd: Check devfd before get_system_loc_code() powerpc/64: Set task pt_regs->link to the LR value on scv entry powerpc/pseries/iommu: Fix iommu initialisation during DLPAR add powerpc/pseries/papr-sysparm: use u8 arrays for payloads
2024-02-18Merge tag 'bcachefs-2024-02-17' of https://evilpiepirate.org/git/bcachefsLinus Torvalds11-16/+35
Pull bcachefs fixes from Kent Overstreet: "Mostly pretty trivial, the user visible ones are: - don't barf when replicas_required > replicas - fix check_version_upgrade() so it doesn't do something nonsensical when we're downgrading" * tag 'bcachefs-2024-02-17' of https://evilpiepirate.org/git/bcachefs: bcachefs: Fix missing va_end() bcachefs: Fix check_version_upgrade() bcachefs: Clamp replicas_required to replicas bcachefs: fix missing endiannes conversion in sb_members bcachefs: fix kmemleak in __bch2_read_super error handling path bcachefs: Fix missing bch2_err_class() calls
generated by cgit v1.2.3 (git 2.39.0) at 2025-09-25 19:25:27 +0300