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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
IIO new device support, features, cleanup for 7.3
Includes a merge of 7.2-rc2 to pick up the changes around
mod_devicetable.h and reduce resulting conflicts around includes.
New device support
------------------
adi,ad3530R
- Add support for the AD3532R and AD3532 16 channel DACs.
adi,ad4080
- Add support for the AD4883 ADC.
adi,ad5686
- Add support for AD5313R, AD5317R, AD5674, AD5687R, AD5689, AD5689R DACs
over SPI
- Add support for AD5316R, AD5674, AD5697R and AD5696 DACs over I2C
- Significant driver refactoring prior to these additions, partly to reduce
bus traffic and to add triggered buffer and gain control support. An
earlier set added support for missing supplies, reset and LDAC GPIO.
adi,adf41513
- New driver to support this PLL frequency synthesizer that runs up to
26.5 GHz.
- Included infrastructure to handle higher precision attributes with
extensive tests
adi,ltc2378-20
- New driver supporting LTC2338, LTC2364, LTC2367, LTC2368, LT2369, LTC2370
LTC2376, LTC2377, LTC2378, LTC2379 and LTC23980 ADCs with both high speed
capture via appropriate backend and conventional triggered buffer SPI
capture.
invensense,icm42607
- New driver for this IMU.
mediateck,mt6323
- New driver for this PMIC ADC.
microchip,mcp47a1
- New driver for this I2C 6 bit DAC.
nxp,mcf54415-dac
- New driver for this DAC found in NXP SoCs.
qst,qmc5884l
- New driver for this 3 axis magnetometer. Included dt vendor entry for qst.
qst,qmc6308
- New driver for this 3 axis magnetometer.
sensiron,slf3s
- New driver for this liquid flow sensor. Includes adding IIO_VOLUMEFLOW
channel type.
st,vl53l1x
- Refactors to improve readability.
ti,ads112c14
- New driver supporting the ADS112C14 and ADS122C14 ADCs. These bring
some new ABI for input chopping, particular useful for resistive sensors
like thermocouples or Wheatstone bridges.
- Support CRC8 detection of corruption on the bus.
- Support buffered reads.
ti,tmp117
- (trivial) Add support for the tmp119 temperature sensor.
xilinx,versal-sysmon
- New ADC driver for this block found on various FPGAs including various
bus interfaces, threshold and oversampling support.
dt binding updates
------------------
new shared bindings
- excitation-channels and excitation-current-nanoamp allow per channel
specification of currents used for resistive sensor measurement.
- reference-sources property to allow selection of a per channel reference.
rockchip,saradc
- Add RV1106 which is compatible with the RV3588.
Features
--------
buffer-dmaengine
- Allow cyclic buffers, useful for repeating sequence generation with DACs.
devantech,dmard09
- Implement read back of channel scale - previously interface always
returned an error.
hid,sensors-als
- Enable separate channel scaling for hardware that supports it.
invensense,timestamp library
- Various precision improvements.
invensense,icm42600
- Add support for hwfifo watermark interfaces.
taos,tcs3472
- Support wait time and sampling frequency control.
Cleanups, minor fixes
---------------------
Minor cleanups not mentioned at all in this summary such
as white space fixes or typos.
Affecting various drivers
- Cleanup of conditionals that had no affect.
- Drop some runtime pm local wrappers as now runtime_pm does the
mark_last_busy part inside the put, these provide no useful code
deduplication or readability advantages over directly calling the
runtime_pm functions.
- Return 0 from write_raw() on success.
- Use of dev_err_probe() to simplify code and sometimes provide useful
info for deferred probe debugging.
- Drop some redundant error prints where the called function already
provides information on errors.
- Make some read only arrays in functions static.
- Fix up missing handling of regcache_sync() errors.
- Drop some false kernel-doc markings.
- Add missing MODULE_DEVICE_TABLE for some of_match_id tables.
- Use local variables for things like the struct device to shorten and
improve readability of code.
- Drop some unused structure elements.
- Reorder dds.h macro parameters to be inline with others.
- Header reorders and IWYU. Often part of a more significant series.
- Remove abstractions designed to allow a driver to support multiple device
types, when they have been around a long time and only the original part
showed up.
- Initialize spi_device_id arrays using member names following dropping of
driver data from drivers that didn't actually use it.
- Catch up with i2c_device_id tables added since previous effort to use
named initializers for all those.
- Use kernel types in a few places instead of standard C ones or bare
unsigned.
Misc
- Update Xilinx AMS maintainer.
- Update email address for Maxwell Doose.
- Update email address for Siratul Islam.
- Update email address for Tomasz Duszynski and re-add Tomasz to
various maintainer entries.
Docs
- Encourage use of differential channel naming even when there is no
flexibility in input to differential pair mapping. Intended to
provide a strong signal to userspace that a channel is differential.
adi,ad_sigma_delta
- Allow COMPILE_TEST without any users.
adi,ad2s1201
- Refactor trigger handler to avoid mix of guard() and goto.
adi,ad5686
- Avoid potential NULL dereference is user forces a driver bind.
adi,ad5696
- Add a couple of missing entries to the of_match_id table and update
binding to match.
atmel,ad91_adc
- Use const char * for DT string property allowing a cast to be dropped.
avia,hx711
- Various refactors and cleanup to enable support of additional parts
(to come)
- Add missing supply and gpio dt-bindings.
bosch,bmc150
- Harden against device reporting too large a FIFO sample count.
- Use FIELD_PREP() / FIELD_GET() to improve readability.
freescale,fxls8962af
- Harden against device reporting too large a FIFO sample count.
hid-sensors-*
- Reorder probe to not expose userspace interfaces until the rest of
the setup is done to avoid potentially dropping data.
honeywell,abp2030pa
- Drop an unreachable return.
invensens,icm45600
- Harden against bad value of FIFO sample count from device.
- Use i2c_match_data if firmware table sourced match data isn't available.
nxp,mpl1115
- Ensure runtime_pm is balanced on error in probe.
rohm,bm1390
- Make the driver slightly more likely to recover from transient errors.
sensiron,sgp30
- Handle thread creation errors.
st,lsm6dsx
- Update the enable mask when doing sensor fusion to avoid incorrect fifo
data handling.
st,stm32-dfsdm
- Treat dt flags as booleans.
ti,ads1015
- Switch to devm helpers which simplified code and closed a resource leak.
ti,opt3001
- Split complicated opt3001_get_processed() logic into irq an no irq
helper functions.
- Use devm to simplify code.
- Use guard() to simplify code.
- Reorder probe so final call exposes userspace interfaces.
- Various other more minor cleanup
taos,tsl2772
- Fix calibscale readback to check right channel type.
taos,tsl2583
- Use sysfs_emit() and sysfs_emit_at() to replace open coded equivalents.
* tag 'iio-for-7.3a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (232 commits)
iio: dac: mcp47a1: add support for new device
dt-bindings: iio: dac: add support for mcp47a1
iio: Update email for Maxwell Doose
iio: imu: st_lsm6dsx: Update enable mask when using sensor fusion
iio: light: cm32181: return zero after writing calibscale
iio: flow: add Sensirion SLF3S liquid flow sensor driver
iio: core: add IIO_VAL_DECIMAL64_FEMTO format type
dt-bindings: iio: flow: add Sensirion SLF3S liquid flow sensor
iio: types: add IIO_VOLUMEFLOW channel type
iio: ABI: Encourage differential voltage ABI usage
iio: adc: ltc2378: Add support for LTC2338-18
iio: adc: ltc2378: Enable triggered buffer data capture
iio: adc: ltc2378: Enable high-speed data capture
iio: adc: ltc2378: Add support for LTC2378-20 and similar ADCs
dt-bindings: iio: adc: Add ltc2378
iio: magnetometer: ak8974: remove conditional return with no effect
iio: light: tsl2583: remove conditional return with no effect
iio: adc: rcar-gyroadc: remove rcar_gyroadc_set_power() helper
iio: light: vcnl4000: remove vcnl4000_set_pm_runtime_state() helper
iio: light: vcnl4035: remove vcnl4035_set_pm_runtime_state() helper
...
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
IIO: 2nd set of fixes for the 7.2 cycle.
Given timing these are probably now merge window material.
Usual mixed bunch of ancient issues and newer ones.
core,buffer
- Fix a potential UAF in release on anonymous buffers.
- Make sure DMA fence lock lifetime matches that of the DMA fence.
- Make IIO DMA fence release RCU safe.
various
- Kconfig missing REGMAP* related selects.
- Unbalance of runtime pm or regulators in error paths.
adi,ad3552r-hs
- Fixing wrong buffers size for string printing.
adi,ad4080
- Fix 16-bit part support by adding path to tell the backend what
the data size is - avoiding corrupted data capture.
adi,ad5446
- Wrong MODULE_DEVICE_TABLE() type due to case error.
atlas,sensor
- Drop use of irq_work() in favour of iio_trigger_poll_nested() avoiding
a possible UAF.
hid-temperature
- Potential release ordering issue due to mixed devm and not that
can lead to long timeouts.
infineon,dps310
- Fix NULL dereference on ACPI platforms.
invense,mpu3050
- Fix sign of raw angular velocity readings.
mitsubishi,m62332
- Fix a regulator reference counting issue when switching channels.
sharp,gp2ap002
- Unbalanced runtime PM on repeated event writes.
- Reenable irq if runtime suspend fails.
ti,ads7138
- Disable statistics gathering whilst reading conversions results
to avoid data corruption.
ti,opt4001
- Ensure integration times with integer part are rejected rather than
ignoring the integer part of the value.
- Fix use of wrong register.
- Pointer type mismatch to div_u64_rem()
- Fix reversed GENMASK() arguements.
ti,opt4060
- Ensure integration times with integer part are rejected rather than
ignoring the integer part of the value.
- Pointer type mismatch to div_u64_rem()
- Wrong register name in an error print.
ti,pac1921
- Fix wrong channel used in the trigger handler for some combinations
of enabled channels.
* tag 'iio-fixes-for-7.2b-take2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (31 commits)
iio: chemical: atlas-sensor: use iio_trigger_poll_nested() to fix remove UAF
iio: adc: pac1921: fix wrong channel used in trigger handler read
iio: light: gp2ap002: re-enable irq if runtime suspend fails
iio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes
iio: light: apds9306: fix PM reference leak in apds9306_read_data()
iio: gyro: mpu3050: fix sign of raw angular velocity readings
iio: srf04: fix pm_runtime handling on probe error path
iio: adc: ad4080: configure backend data size
iio: adc: adi-axi-adc: add data size support for AD408X backend
iio: chemical: atlas-sensor: fix PM reference leak in buffer postenable
iio: dac: ad5446: fix OF module device table
iio: light: opt4001: Fix reversed GENMASK() arguments in fault count mask
iio: light: opt4001: Reject integration times with a non-zero seconds part
iio: light: opt4001: Fix incompatible pointer type passed to div_u64_rem()
iio: light: opt4001: Fix power down clearing bits of the wrong register
iio: light: opt4060: Fix incorrect register name in threshold read error message
iio: light: opt4060: Fix pointer type passed to div_u64_rem()
iio: light: opt4060: Reject integration times with a non-zero seconds part
iio: light: ltrf216a: fix runtime PM reference leak in error path
iio: pressure: dps310: fix NULL pointer dereference on ACPI probe
...
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Since commit
55b48e23f5c4 ("genirq/devres: Add error handling in devm_request_*_irq()"),
devm_request_irq() and devm_request_threaded_irq() automatically log
detailed error messages on failure. Remove the now-redundant
driver-specific dev_err() and dev_err_probe() calls.
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Joshua Crofts <joshua.crofts1@gmail.com>
Signed-off-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull Android/IIO fixes from Greg KH:
"Here is a set of bugfixes for 7.2-rc3 that resolve a bunch of reported
issues in just the binder and iio codebases. Included in here are:
- binder driver bugfixes for both the rust and c versions for
reported problems
- lots and lots of iio driver bugfixes for lots of reported issues
(including a hid sensor driver bugfix)
Full details are in the shortlog, all of these have been in linux-next
with no reported issues"
* tag 'char-misc-7.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (36 commits)
iio: event: Fix event FIFO reset race
iio: imu: inv_icm42600: fix timestamp clock period by using lower value
iio: light: al3010: fix incorrect scale for the highest gain range
iio: adc: nxp-sar-adc: Fix the delay calculation in nxp_sar_adc_wait_for()
iio: light: tsl2591: return actual error from probe IRQ failure
iio: imu: inv_icm42600: fix timestamping by limiting FIFO reading
iio: imu: st_lsm6dsx: deselect shub page before reading whoami
rust_binder: clear freeze listener on node removal
rust_binder: reject context manager self-transaction
rust_binder: use a u64 stride when cleaning up the offsets array
binder: fix UAF in binder_free_transaction()
binder: fix UAF in binder_thread_release()
rust_binder: synchronize Rust Binder stats with freeze commands
binder: cache secctx size before release zeroes it
rust_binder: fix BINDER_GET_EXTENDED_ERROR
iio: adc: ad7779: add missing 'select IIO_TRIGGERED_BUFFER' to Kconfig
iio: adc: ad4130: add missing `select IIO_TRIGGERED_BUFFER` to Kconfig
iio: adc: ti-ads124s08: Return reset GPIO lookup errors
iio: temperature: Build mlx90635 with CONFIG_MLX90635
iio: light: al3320a: add missing REGMAP_I2C to Kconfig
...
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iio_device_register()
Avoid using devm_iio_device_register(), as this driver requires explicit
error handling and teardown ordering.
With devm_iio_device_register(), IIO device remains registered until the
devres cleanup phase. However, driver's remove() callback removes the
sensor hub callback and trigger support. This can create a race window
where IIO device is still visible and read_raw() requests are issued.
These requests might call sensor_hub_input_attr_get_raw_value(), which
waits up to 5 seconds for a response from the sensor hub callback that
has already been removed.
Add an explicit iio_device_unregister() call in the teardown path to
ensure deterministic cleanup, so that userspace can no longer access the
device once backend resources begin to be dismantled.
Fixes: 59d0f2da3569 ("iio: hid: Add temperature sensor support")
Cc: stable@vger.kernel.org
Reviewed-by: Maxwell Doose <m32285159@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Sanjay Chitroda <sanjayembeddedse@gmail.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
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Adjust alignment of parentheses across HID sensor IIO drivers to
improve readability and maintain consistency with kernel coding style.
While updating the formatting, group related arguments consistently in
multi-line function signatures where appropriate.
No functional change intended.
Signed-off-by: Sanjay Chitroda <sanjayembeddedse@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Linux 7.2-rc2
Done to resolve conflicts with header reorg around mod_devicetable.h
and provide a base for other inflight series that touch the includes.
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files)
Replace the #include of <linux/mod_devicetable.h> by the more specific
<linux/device-id/*.h> where applicable. For most cases the include
can be dropped completely, only a few drivers need one or two headers
added.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/1a3f2007c5c5dcf555c09a4035ce3ae8ef1b6c49.1782808461.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
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kmemdup() is used for memory that is logically tied to the HID
platform device, even though the driver binds into the IIO framework.
Using &indio_dev->dev for devres allocations works functionally, but it
results in two separate devres ownership trees—one for the HID
platform device (pdev) and another for the IIO device (indio_dev).
The devres framework is intended to have a single, well-defined parent
device. Since the memory originates from HID sensor probing and is not
IIO-specific, &pdev->dev is the correct and logical owner.
Switch to using the platform device for devm_kmemdup() so that all
resources are released deterministically and consistently.
Signed-off-by: Sanjay Chitroda <sanjayembeddedse@gmail.com>
Reviewed-by: Maxwell Doose <m32285159@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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drivers/iio/temperature/Kconfig has a dedicated MLX90635 option, but
the Makefile currently builds mlx90635.o under CONFIG_MLX90632.
This means enabling CONFIG_MLX90635 alone does not carry its provider
object into the build, while enabling CONFIG_MLX90632 unexpectedly also
builds mlx90635.o.
Gate mlx90635.o on the matching generated Kconfig symbol.
Fixes: a1d1ba5e1c28 ("iio: temperature: mlx90635 MLX90635 IR Temperature sensor")
Cc: stable@vger.kernel.org
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Acked-by: Crt Mori <cmo@melexis.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Add support for the TMP119 temperature sensor, which has the same
programming model as the TMP117.
[rgantois: Commit log]
Signed-off-by: Wil Stark <wil_stark@keysight.com>
[rgantois: Rebased from v6.6.58 to v7.2-rc1]
Signed-off-by: Romain Gantois <romain.gantois@bootlin.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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While being less compact, using named initializers allows to more easily
see which members of the structs are assigned which value without having
to lookup the declaration of the struct. And it's also more robust
against changes to the struct definition.
The mentioned robustness is relevant for a planned change to struct
spi_device_id that replaces .driver_data by an anonymous union.
This patch doesn't modify the compiled arrays, only their representation
in source form benefits. The former was confirmed with x86 and arm64
builds.
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Acked-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The drivers explicitly set the .driver_data member of struct
spi_device_id to zero without relying on that value. Drop these unused
assignments.
While touching these arrays unify spacing and use named initializers for
.name.
This patch doesn't modify the compiled arrays, only their representation
in source form benefits. The former was confirmed with x86 and arm64
builds.
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Prefer 'u32' instead of 'unsigned int' for usage_id variable.
This matches expected callback API type and improves code clarity.
No functional change.
Signed-off-by: Sanjay Chitroda <sanjayembeddedse@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull misc driver updates from Greg KH:
"Here is the big set of char, misc, iio, fpga, and other small driver
subsystems changes for 7.2-rc1.
Lots of little stuff in here, the majority being of course the IIO
driver updates, as a list they are:
- IIO driver updates and additions
- GPIB driver bugfixes and cleanups
- Android binder driver updates (rust and C version)
- counter driver updates
- MHI driver updates
- mei driver updates
- w1 driver updates
- interconnect driver updates
- Comedi driver fixes and updates
- some obsolete char drivers removed (applicom and dtlk)
- hwtracing driver updates
- other tiny driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (406 commits)
w1: ds2482: Use named initializers for arrays of i2c_device_data
firmware: stratix10-svc: Add support to query Arm Trusted Firmware (ATF) version
firmware: stratix10-rsu: avoid blocking reboot_image sysfs when busy
coresight: ultrasoc-smb: Fix OOB write in smb_sync_perf_buffer()
iio: adc: nxp-sar-adc: harden buffer ISR against per-channel read failure
iio: chemical: scd30: Replace manual locking with RAII locking
iio: light: tsl2591: remove unneeded tsl2591_compatible_als_persist_cycle()
iio: dac: ad5686: create bus ops struct
iio: dac: ad5686: cleanup doc header of local structs
iio: dac: ad5686: add control_sync() for single-channel devices
iio: dac: ad5686: add helpers to handle powerdown masks
iio: dac: ad5686: add of_match table to the spi driver
iio: dac: ad5686: drop enum id
iio: dac: ad5686: remove redundant register definition
iio: dac: ad5686: refactor include headers
iio: adc: ad4080: fix AD4880 chip ID
iio: light: veml3328: add support for new device
dt-bindings: iio: light: veml6030: add veml3328
fpga: microchip-spi: fix zero header_size OOB read in mpf_ops_parse_header()
fpga: dfl-afu: validate DMA mapping length in afu_dma_map_region()
...
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Pull bitmap updates from Yury Norov:
"This includes the new FIELD_GET_SIGNED() helper,
bitmap_print_to_pagebuf() removal, RISCV/bitrev support, and a couple
cleanups.
- new handy helper FIELD_GET_SIGNED() (Yury)
- arch test_and_set_bit_lock() and clear_bit_unlock() cleanup (Randy)
- __bf_shf() simplification (Yury)
- bitmap_print_to_pagebuf() removal (Yury)
- RISCV/bitrev conditional support (Jindie, Yury)"
* tag 'bitmap-for-7.2' of https://github.com/norov/linux:
MAINTAINERS: BITOPS: include bitrev.[ch]
arch/riscv: Add bitrev.h file to support rev8 and brev8
bitops: Define generic___bitrev8/16/32 for reuse
lib/bitrev: Introduce GENERIC_BITREVERSE
arch: select HAVE_ARCH_BITREVERSE conditionally on BITREVERSE
bitmap: fix find helper documentation
bitmap: drop bitmap_print_to_pagebuf()
cpumask: switch cpumap_print_to_pagebuf() to using scnprintf()
bitfield: wire __bf_shf to __builtin_ctzll
bitops: use common function parameter names
ptp: switch to using FIELD_GET_SIGNED()
rtc: rv3032: switch to using FIELD_GET_SIGNED()
wifi: rtw89: switch to using FIELD_GET_SIGNED()
iio: mcp9600: switch to using FIELD_GET_SIGNED()
iio: pressure: bmp280: switch to using FIELD_GET_SIGNED()
iio: magnetometer: yas530: switch to using FIELD_GET_SIGNED()
iio: intel_dc_ti_adc: switch to using FIELD_GET_SIGNED()
x86/extable: switch to using FIELD_GET_SIGNED()
bitfield: add FIELD_GET_SIGNED()
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
IIO: 2nd set of fixes for the 7.1 cycle.
Usual mixed bag of ancient issues and the recently introduced.
Various drivers
- Ensure use of simple_write_to_buffer() in debugfs callbacks doesn't
result in reading off the end of intended data by checking the
position is always 0.
buffer/hw-consumer
- Ensure scan_mask is freed on buffer release.
acpi-als
- Check ACPI_COMPANION() against NULL to close corner case where a
driver is overridden.
adi,ad4062
- Add GPIOLIB dependency to avoid undefined ref to gpiochip_get_data()
adi.ad7768-1
- Add GPIOLIB dependency to avoid several undefined functions.
adi,ad2s1210
- Ensure possible recovery path if a read fails in the interrupt handler.
bosch,bmg160
- Increase sleep on startup to ensure device is ready.
bosch,bmp280
- Ensure buffer pushed to kfifo is zeroed to avoid leaking uninitialized
stack data to userspace.
dyna-image,al3010
- Fix refactor that stopped reading one of the two measurement registers.
dyna-image,al3320a
- Fix refactor that stopped reading one of the two measurement registers.
qcom,spmi-iadc
- Ensure disable_irq_wake() is called on remove path.
sensiron,scd30
- Fix a sign extension bug.
st,vl5310x
- Ensure possible recovery path if a read fails in the interrupt handler.
ti,adc1298
- Bounds check for pga_settings index. Hardening against device returning
unexpected values.
ti,tmp006
- Ensure trigger correctly released on remove path.
vishay,veml6030
- Fix incorrect channel type in events.
vishay,veml6074
- Bounds check for veml6075_it_ms. Hardening against device returning
unexpected values.
* tag 'iio-fixes-for-7.1b' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (23 commits)
iio: adc: ad_sigma_delta: fix clear_pending_event for registerless devices
iio: adc: ad_sigma_delta: fix CS held asserted and state leaks
iio: light: opt3001: fix missing state reset on timeout
iio: chemical: scd30: Cleanup initializations and fix sign-extension bug
iio: core: fix uninitialized data in debugfs
iio: backend: fix uninitialized data in debugfs
iio: dac: ad3552r-hs: fix uninitialized data ni ad3552r_hs_write_data_source()
iio: adc: qcom-spmi-iadc: balance enable_irq_wake() on driver unbind
iio: light: al3320a: read both ALS ADC registers again
iio: light: al3010: read both ALS ADC registers again
iio: temperature: tmp006: use devm_iio_trigger_register
iio: buffer: hw-consumer: free scan_mask on buffer release
iio: adc: ad7768-1: Select GPIOLIB
iio: light: veml6030: fix channel type when pushing events
iio: light: acpi-als: Check ACPI_COMPANION() against NULL
iio: resolver: ad2s1210: notify trigger and clear state on fault read error
iio: proximity: vl53l0x: notify trigger and clear IRQ on error paths
iio: gyro: bmg160: wait full startup time after mode change at probe
iio: gyro: bmg160: bail out when bandwidth/filter is not in table
iio: pressure: bmp280: zero-init bmp580 trigger handler buffer
...
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Linux 7.1-rc6
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The ADT7604 shares the same die as the LTC2984. It repurposes the
custom RTD sensor type (18) as a copper trace resistance sensor
and the custom thermistor type (27) as a leak detector, and
removes thermocouple, diode and direct ADC sensor types.
Two new software sensor type values are introduced
(LTC2983_SENSOR_COPPER_TRACE = 32, LTC2983_SENSOR_LEAK_DETECTOR = 33)
that map to the hardware register values 18 and 27 respectively.
Dedicated structs (ltc2983_copper_trace, ltc2983_leak_detector) and
parser functions are added rather than extending the existing RTD and
thermistor paths, as the hardware configuration bits are fully
hardcoded and several RTD/thermistor properties would need to be
explicitly forbidden or ignored.
Custom RTD (type 18) becomes the copper trace sensor. Sensor
configuration bits are hardcoded to 0b1001 per the datasheet.
Two variants are supported via the adi,copper-trace-sub-ohm DT
property: sub-ohm traces (< 1 ohm) have bits 17:0 cleared with no
excitation current or custom table; standard traces (> 1 ohm) have
a required resistance-to-temperature table.
Custom thermistor (type 27) becomes the leak detector. Sensor
configuration bits are hardcoded to 0b001. The custom table uses
a resolution of 16 instead of 64, and is specified via the
required adi,custom-leak-detector DT property.
Both sensor types expose an IIO_RESISTANCE channel reading from
the resistance result register bank (0x0060-0x00AF). Added a
"base" parameter to the LTC2983_RESULT_ADDR macro and a "base_reg"
parameter to the ltc2983_chan_read function so we can read from
both result register banks. The resistance register encodes the
measured resistance with 10 fractional bits, so dividing by 1024
gives ohms. Since the sense resistor is specified in ohms, the
output is in ohms for both sensor types and a single 1/1024
scale applies to both. For > 1 ohm copper traces and for leak
detectors, a secondary channel also appears: IIO_TEMP
(millidegrees Celsius) for copper trace and IIO_COVERAGE (percent)
for leak detector.
The ltc2983_chip_info struct is extended with a u64 supported_sensors
bitmask using BIT_ULL() to safely represent the new sensor type bits
32 and 33 on 32-bit builds. A LTC2983_SENSOR_NUM sentinel is added
to the enum so that the bounds check uses >= LTC2983_SENSOR_NUM
rather than hardcoding the last sensor type.
Tested on EVAL-ADT7604-AZ connected to Raspberry Pi 5 via SPI.
Signed-off-by: Liviu Stan <liviu.stan@analog.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Checking fwnode_property_read_u32() return value with if (!ret)
silently swallows meaningful error codes when a property is present
but malformed. Use fwnode_property_present() first so that absence
uses the default while a present but unreadable property returns
a proper error.
Signed-off-by: Liviu Stan <liviu.stan@analog.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Replace occurrences of the abbreviated 'chann' and 'chan' with
'channel' in error and debug messages throughout the driver.
Also changed the diode invalid channel error message from
"thermistor" to "diode".
Reviewed-by: Joshua Crofts <joshua.crofts1@gmail.com>
Signed-off-by: Liviu Stan <liviu.stan@analog.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Some functions define a local 'dev' pointer but still use bare
'&st->spi->dev' in some code paths, and some don't have it at all.
Replace bare references with the local pointer for consistency and
collapse some wrapped lines that now fit within 80 characters.
Reviewed-by: Joshua Crofts <joshua.crofts1@gmail.com>
Signed-off-by: Liviu Stan <liviu.stan@analog.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Wrap the 'chan' parameter in LTC2983_CHAN_START_ADDR() and
LTC2983_CHAN_RES_ADDR() with parentheses to prevent potential
macro argument expansion issues. Also rename LTC2983_CHAN_START_ADDR
to LTC2983_CHAN_ASSIGN_ADDR and LTC2983_CHAN_RES_ADDR to
LTC2983_RESULT_ADDR, to better reflect the datasheet names and avoid
them being confused as related.
Reviewed-by: Joshua Crofts <joshua.crofts1@gmail.com>
Signed-off-by: Liviu Stan <liviu.stan@analog.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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reinit_completion() was called after regmap_write() initiated the hardware
conversion, creating a race window where the interrupt could fire and call
complete() before reinit_completion() reset the completion.
Move reinit_completion() before the regmap_write() to close the race.
ltc2983_eeprom_cmd() already does it in the correct order.
Fixes: f110f3188e56 ("iio: temperature: Add support for LTC2983")
Signed-off-by: Liviu Stan <liviu.stan@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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When adi,number-of-wires is absent, n_wires is left at 0. The binding
documents a default of 2 wires, matching the hardware default. However
the current-rotate validation checks n_wires == 2 || n_wires == 3, so
with n_wires = 0 the guard is bypassed and adi,current-rotate is accepted
for a 2-wire RTD.
Initialize n_wires = 2 to match the binding default and ensure the
rotation check fires correctly when the property is absent.
Fixes: f110f3188e56 ("iio: temperature: Add support for LTC2983")
Signed-off-by: Liviu Stan <liviu.stan@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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While being less compact, using named initializers allows to more easily
see which members of the structs are assigned which value without having
to lookup the declaration of the struct. And it's also more robust
against changes to the struct definition.
The mentioned robustness is relevant for a planned change to struct
i2c_device_id that replaces .driver_data by an anonymous union.
This patch doesn't modify the compiled arrays, only their representation
in source form benefits. The former was confirmed with x86 and arm64
builds.
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Reviewed-by: Siratul Islam <email@sirat.me>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Replace leading spaces with tabs in the of_device_id table
entries to comply with kernel coding style.
Signed-off-by: Rahman Mahmutović <mahmutovicrahman5@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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tmp006_probe() allocates the DRDY trigger with devm_iio_trigger_alloc()
but registers it with plain iio_trigger_register(). The driver has no
.remove() callback, so on module unload the trigger stays in the global
trigger list while its memory is freed by devm, leaving a dangling
entry.
Switch to devm_iio_trigger_register() so the registration is undone in
the same devm scope as the allocation.
Fixes: 91f75ccf9f03 ("iio: temperature: tmp006: add triggered buffer support")
Cc: stable@vger.kernel.org
Signed-off-by: Stepan Ionichev <sozdayvek@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Switch from sign_extend32(FIELD_GET()) to the dedicated
FIELD_GET_SIGNED() and don't calculate the fields length explicitly.
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Yury Norov <ynorov@nvidia.com>
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The current implementation of tsys01_crc_valid() incorrectly sums the
first word (n_prom[0]) repeatedly instead of iterating over the 8 words
retrieved from the PROM. This leads to a checksum mismatch and probe
failure on hardware.
According to the TSYS01 datasheet, the PROM consists of 8 words. A valid
check must iterate through all 8 words to verify the integrity of the
calibration data. The current driver only checks the first word 8 times.
Note: This fix was identified during a code audit and is based on
datasheet specifications. It has not been tested on real hardware.
Fixes: 43e53407f680 ("Add tsys01 meas-spec driver support")
Signed-off-by: Salah Triki <salah.triki@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Fix spelling mistakes in comments.
- catched -> caught
- chanel -> channel
Signed-off-by: Shi Hao <i.shihao.999@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Passing IRQF_ONESHOT ensures that the interrupt source is masked until
the secondary (threaded) handler is done. If only a primary handler is
used then the flag makes no sense because the interrupt can not fire
(again) while its handler is running.
The flag also disallows force-threading of the primary handler and the
irq-core will warn about this.
The intention here was probably not allowing forced-threading for
handlers such as iio_trigger_generic_data_rdy_poll() will intends to
invoke hard-interrupt handlers.
Replace IRQF_ONESHOT with IRQF_NO_THREAD.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Drop the driver-specific field_get() and field_prep() macros, in favor
of the globally available variants from <linux/bitfield.h>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Crt Mori <cmo@melexis.com>
Signed-off-by: Yury Norov (NVIDIA) <yury.norov@gmail.com>
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Prepare for the advent of globally available common field_get() and
field_prep() macros by undefining the symbols before defining local
variants. This prevents redefinition warnings from the C preprocessor
when introducing the common macros later.
Suggested-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: Yury Norov (NVIDIA) <yury.norov@gmail.com>
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Linux 6.17-rc3
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pm_runtime_put_autosuspend(), pm_runtime_put_sync_autosuspend(),
pm_runtime_autosuspend() and pm_request_autosuspend() now include a call
to pm_runtime_mark_last_busy(). Remove the now-reduntant explicit call to
pm_runtime_mark_last_busy().
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Crt Mori <cmo@melexis.com>
Link: https://patch.msgid.link/20250825135401.1765847-13-sakari.ailus@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The drivers do not require their own error messages for error
-ENOMEM, memory allocation failures. So remove the dev_err()
messages from the probe().
Signed-off-by: Dixit Parmar <dixitparmar19@gmail.com>
Link: https://patch.msgid.link/20250822-enomam_logs-v1-10-db87f2974552@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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dt-bindings documentation for this driver claims to support
thermocouple-type, but the driver does not actually make use of
the property.
Implement usage of the property to configure the chip for the
selected thermocouple-type.
Signed-off-by: Ben Collins <bcollins@watter.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250822-upstream-changes-v8-5-40bb1739e3e2@watter.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The current driver works with mcp9601, but emits a warning because it
does not recognize the chip id.
MCP9601 is a superset of MCP9600. The drivers works without changes
on this chipset.
However, the 9601 chip supports open/closed-circuit detection if wired
properly, so we'll need to be able to differentiate between them.
Moved "struct mcp9600_data" up in the file since a later patch will
need it and chip_info before the declarations.
Signed-off-by: Ben Collins <bcollins@watter.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250822-upstream-changes-v8-4-40bb1739e3e2@watter.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Make tabs consistent for register definitions and also fix width
to byte size.
Signed-off-by: Ben Collins <bcollins@watter.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <abdy@kernel.org>
Reviewed-by: David Lechner <dlechner@baylibrc.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Link: https://patch.msgid.link/20250822-upstream-changes-v8-3-40bb1739e3e2@watter.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The dev_err_probe() doesn't do anything when the error is '-ENOMEM'.
Therefore, remove the useless call to dev_err_probe(), and just return the
value instead.
Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
Acked-by: Crt Mori <cmo@melexis.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20250821080723.525379-8-zhao.xichao@vivo.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When `devm_add_action_or_reset()` fails, it is due to a failed memory
allocation and will thus return `-ENOMEM`. `dev_err_probe()` doesn't do
anything when error is `-ENOMEM`. Therefore, remove the useless call to
`dev_err_probe()` when `devm_add_action_or_reset()` fails, and just
return the value instead.
Signed-off-by: Waqar Hameed <waqar.hameed@axis.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/pndectqm7te.a.out@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Replace using stack-allocated buffers with a DMA-safe buffer for use
with spi_read(). This allows the driver to be safely used with
DMA-enabled SPI controllers.
The buffer array is also converted to a struct with a union to make the
usage of the memory in the buffer more clear and ensure proper alignment.
Fixes: 1f25ca11d84a ("iio: temperature: add support for Maxim thermocouple chips")
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250721-iio-use-more-iio_declare_buffer_with_ts-3-v2-1-0c68d41ccf6c@baylibre.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use { } instead of memset() to zero-initialize stack memory to simplify
the code.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250611-iio-zero-init-stack-with-instead-of-memset-v1-28-ebb2d0a24302@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
IIO: New device support, features and cleanup for 6.16 - take 2
Note - last minute rebase was to drop a typo patch that I'd accidentally
picked up (in the microblaze arch Kconfig)
Take 2 is due to that rebase messing up some fixes tags that were
referring to patches after that point.
There is a known merge conflict due to changes in neighbouring lines.
Stephen's resolution in linux-next is:
https://lore.kernel.org/linux-next/20250506155728.65605bae@canb.auug.org.au/
Added 3 named IIO reviewers to MAINTAINERS. This is a reflection of those
who have been doing much of this work for some time. Lars-Peter is
removed from the entry having moved on to other topics. Thanks
Nuno, David and Andy for stepping up and Lars-Peter for all your
hard work in the past!
Includes the usual mix of new device support, features and general
cleanup.
This time we also have some tree wide changes.
- Rip out the iio_device_claim_direct_scoped() as it proved hard to work
with. This series includes quite a few related cleanups such as use
of guard or factoring code out to allow direct returns.
- Switch from iio_device_claim/release_direct_mode() to new
iio_device_claim/release_direct() which is structured so that sparse
can warn on failed releases. There were a few false positives but
those were mostly in code that benefited from being cleaned up as part
of this process.
- Introduce iio_push_to_buffers_with_ts() to replace the _timestamp()
version over time. This version takes the size of the supplied buffer
which the core checks is at least as big as expected by calculation
from channel descriptions of those channels enabled. Use this in
an initial set of drivers.
- Add macros for IIO_DECLARE_BUFFER_WITH_TS() and
IIO_DECLARE_DMA_BUFFER_WITH_TS() to avoid lots of fiddly code to ensure
correctly aligned buffers for timestamps being added onto the end of
channel data.
New device support
------------------
adi,ad3530r
- New driver for AD3530, AD3530R, AD3531 and AD3531R DACs with
programmable gain controls. R variants have internal references.
adi,ad7476
- Add support (dt compatible only) for the Rohm BU79100G ADC which is
fully compatible with the ti,ads7866.
adi,ad7606
- Support ad7606c-16 and ad7606c-18 devices. Includes switch to dynamic
channel information allocation.
adi,ad7380
- Add support for the AD7389-4
dfrobot,sen0322
- New driver for this oxygen sensor.
mediatek,mt2701-auxadc
- Add binding for MT6893 which is fully compatible with already supported
MT8173.
meson-saradc
- Support the GXLX SoCs. Mostly this is a workaround for some unrelated
clock control bits found in the ADC register map.
nuvoton,nct7201
- New driver for NCT7201 and NCT7202 I2C ADCs.
rohm,bd79124
- New driver for this 12-bit, 8-channel SAR ADC.
- Switch to new set_rv etc gpio callbacks that were added in 6.15.
rohm,bd79703
- Add support for BD79700, BD79701 and BD79702 DACs that have subsets of
functionality of the already supported bd79703. Included making this
driver suitable for support device variants.
st,stm32-lptimer
- Add support for stm32pm25 to this trigger.
Features
--------
Beyond IIO
- Property iterator for named children.
core
- Enable writes for 64 bit integers used for standard IIO ABI elements.
Previously these could be read only.
- Helper library that should avoid code duplication for simpler ADC
bindings that have a child node per channel.
- Enforce that IIO_DMA_MINALIGN is always at least 8 (almost always true
and simplifies code on all significant architectures)
core/backend
- Add support to control source of data - useful when the HDL includes
things like generated ramps for testing purposes. Enable this for
adi-axi-dac
adi,ad3552-hs
- Add debugfs related callbacks to allow debug access to register contents.
adi,ad4000
- Support SPI offload with appropriate FPGA firmware along with improving
documentation.
adi,ad7293
- Add support for external reference voltage.
adi,ad7606
- Support SPI offload.
adi,ad7768-1
- Support reset GPIO.
adi,admv8818
- Support filter frequencies beyond 2^32.
adi,adxl345
- Add single and double tap events.
hid-sensor-prox
- Support 16-bit report sizes as seen on some Intel platforms.
invensense,icm42600
- Enable use of named interrupts to avoid problems with some wiring choices.
Get the interrupt by name, but fallback to previous assumption on the first
being INT1 if no names are supplied.
microchip,mcp3911
- Add reset gpio support.
rohm,bh7150
- Add reset gpio support.
st,stm32
- Add support to control oversampling.
ti,adc128s052
- Add support for ROHM BD79104 which is early compatible with the TI
parts already supported by this driver. Includes some general driver
cleanup and a separate dt binding.
- Simplify reference voltage handling by assuming it is fixed after enabling
the supply.
winsen,mhz19b
- New driver for this C02 sensor.
Cleanup and minor fixes
-----------------------
dt-bindings
- Correct indentation and style for DTS examples.
- Use unevalutateProperties for SPI devices instead of additionalProperties
to allow generic SPI properties from spi-peripheral-props.yaml
ABI Docs
- Add missing docs for sampling_frequency when it applies only to events.
Treewide
- Various minor tweaks, comment fixes and similar.
- Sort TI ADCs in Kconfig that had gotten out of order.
- Switch various drives that provide GPIO chip functionality to the new
callbacks with return values.
- Standardize on { } formatting for all array sentinels.
- Make use of aligned_s64 in a few places to replace either wrong types
or manually defined equivalents.
- Drop places where spi bits_per_word is set to 8 because that is the
default anyway.
adi,ad_sigma_delta library
- Avoid a potential use of uninitialized data if reg_size has a value
that is not supported (no drivers hit this but it is reasonable hardening)
adi,ad4030
- Add error checking for scan types and no longer store it in state.
- Rework code to reduce duplication.
- Move setting the mode from buffer preenable() to update_scan_mode(),
better matching expected semantics of the two different callbacks.
- Improve data marshalling comments.
adi,ad4695
- Use u16 for buffer elements as oversampling is not yet supported except
with SPI offload (which doesn't use this path).
adi,ad5592r
- Clean up destruction of mutexes.
- Use lock guards to simplify code (later patch fixes a missed unlock)
adi,ad5933
- Correct some incorrect settling times.
adi,ad7091
- Deduplicate handling of writable vs volatile registers as they are the
inverse of each other for this device.
adi,ad7124
- Fix 3db Filter frequency.
- Remove ability to directly write the filter frequency (which was broken)
- Register naming improvements.
adi,ad7606
- Add a missing return value check.
- Fill in max sampling rates for all chips.
- Use devm_mutex_init()
- Fix up some kernel-doc formatting issues.
- Remove some camel case that snuck in.
- Drop setting address field in channels as easily established from other
fields.
- Drop unnecessary parameter to ad76060_scale_setup_cb_t.
adi,ad7768-1
- Convert to regmap.
- Factor out buffer allocation.
- Tidy up headers.
adi,ad7944
- Stop setting bits_per_word in SPI xfers with no data.
adi,ad9832
- Add of_device_id table rather than just relying on fallbacks.
- Use FIELD_PREP() to set values of fields.
adi,admv1013
- Cleanup a pointless ternary.
adi,admv8818
- Fix up LPF Band 5 frequency which was slightly wrong.
- Fix an integer overflow.
- Fix range calculation
adi,adt7316
- Replace irqd_get_trigger_type(irq_get_irq_data()) with simpler
irq_get_trigger_type()
adi,adxl345
- Use regmap cache instead of various state variables that were there to
reduce bus accesses.
- Make regmap return value checking consistent across all call sites.
adi,axi-dac
- Add a check on number of channels (0 to 15 valid)
allwinner,sun20i
- Use new adc-helpers to replace local parsing code for channel nodes.
bosch,bmp290
- Move to local variables for sensor data marshalling removing the need
for a messy definition that has to work for all supported parts.
Follow up fix adds a missing initialization.
dynaimage,al3010 and dynaimage,al3320a
- Various minor cleanup to bring these drivers inline with reviewed feedback
given on a new driver.
- Fix an error path in which power down is not called when it should be.
- Switch to regmap.
google,cros_ec
- Fix up a flexible array in middle of structure warning.
- Flush fifo when changing the timeout to avoid potential long wait
for samples.
hid-sensor-rotation
- Remove an __aligned(16) marking that doesn't seem to be justified.
kionix,kxcjk-1013
- Deduplicate code for setting up interrupts.
microchip,mcp3911
- Fix handling of conversion results register which differs across supported
devices.
idt,zopt2201
- Avoid duplicating register lists as all volatile registers are the
inverse of writeable registers on this device.
renesas,rzg2l
- Use new adc-helpers to replace local parsing code for channel nodes.
ti,ads1298
- Fix a missing Kconfig dependency.
* tag 'iio-for-6.16a-take2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (260 commits)
dt-bindings: iio: adc: Add ROHM BD79100G
iio: adc: add support for Nuvoton NCT7201
dt-bindings: iio: adc: add NCT7201 ADCs
iio: chemical: Add driver for SEN0322
dt-bindings: trivial-devices: Document SEN0322
iio: adc: ad7768-1: reorganize driver headers
iio: bmp280: zero-init buffer
iio: ssp_sensors: optimalize -> optimize
HID: sensor-hub: Fix typo and improve documentation
iio: admv1013: replace redundant ternary operator with just len
iio: chemical: mhz19b: Fix error code in probe()
iio: adc: at91-sama5d2: use IIO_DECLARE_BUFFER_WITH_TS
iio: accel: sca3300: use IIO_DECLARE_BUFFER_WITH_TS
iio: adc: ad7380: use IIO_DECLARE_DMA_BUFFER_WITH_TS
iio: adc: ad4695: rename AD4695_MAX_VIN_CHANNELS
iio: adc: ad4695: use IIO_DECLARE_DMA_BUFFER_WITH_TS
iio: introduce IIO_DECLARE_BUFFER_WITH_TS macros
iio: make IIO_DMA_MINALIGN minimum of 8 bytes
iio: pressure: zpa2326_spi: remove bits_per_word = 8
iio: pressure: ms5611_spi: remove bits_per_word = 8
...
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runtime checks.
This new function allows us to perform debug checks in the helper to ensure
that the overrun does not occur. Use it in all the simple cases where
either a static buffer or a structure is used in the drivers.
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250413103443.2420727-15-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use `\t(\{ ?\},|\{\}|\{\s*/\*.*\*/\s*\},?)$` regex to find and replace
the array sentinel in all IIO drivers to the same style.
For some time, we've been trying to consistently use `{ }` (no trailing
comma, no comment, one space between braces) for array sentinels in the
IIO subsystem. Still nearly 50% of existing code uses a different style.
To save reviewers from having to request this trivial change as
frequently, let's normalize the style in all existing IIO drivers.
At least when code is copy/pasted to new drivers, the style will be
consistent.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20250411-iio-sentinel-normalization-v1-1-d293de3e3d93@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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There are no mutex related calls in this driver.
Reviewed-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Link: https://patch.msgid.link/20250331121317.1694135-36-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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iio_device_claim/release_direct()
These new functions allow sparse to find failures to release
direct mode reducing chances of bugs over the claim_direct_mode()
functions that are deprecated.
Tidy up a few direct returns whilst here.
Reviewed-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Link: https://patch.msgid.link/20250331121317.1694135-35-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The trick of using __aligned(IIO_DMA_MINALIGN) ensures that there is
no overlap between buffers used for DMA and those used for driver
state storage that are before the marking. It doesn't ensure
anything above state variables found after the marking. Hence
move this particular bit of state earlier in the structure.
Fixes: 10897f34309b ("iio: temp: maxim_thermocouple: Fix alignment for DMA safety")
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250413103443.2420727-14-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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