Re: [PATCH v4 00/36] HID: iio: basic clean up and introduce devm_ API for HID sensors

[srinivas pandruvada <srinivas.pandruvada@linux.intel.com>]

On Tue, 2026-05-26 at 16:56 +0100, Jonathan Cameron wrote:
> On Mon, 25 May 2026 00:50:23 +0530
> Sanjay Chitroda <sanjayembeddedse@gmail.com> wrote:
> 
> > From: Sanjay Chitroda <sanjayembeddedse@gmail.com>
> > 
> > Key highlights:
> > - 0000-0024: General cleanup and kernel few coding style fixes
> > across HID IIO drivers
> > - 0025: Remove unused iio_dev argument from HID IIO sensor helper
> > - 0026: Introduce devm_hid_sensor_setup_trigger() device-managed
> > API
> > - 0027-0036: Convert HID IIO sensor drivers to use the new devm-
> > based trigger setup
> > 
> > changes in v4:
> > - Extend the series to cover remaining HID IIO drivers with devm
> > API usage
> > - Reorder patches to place cleanup and warning fix at beginning
> > and,
> >   devm-related changes toward the end based on feedback from David
> > - v3 series ->
> > https://lore.kernel.org/all/20260509101040.791404-1-sanjayembedded@gmail.com/
> > changes in v3:
> > - Added cleanup and prepratory changes before adding devm_ API
> >   conversion based on self review: 0002, 0004, 0006, 0007 and 0008
> > - Address andy's review comment on commit message and coding style
> > - v2 series ->
> > https://lore.kernel.org/all/20260429175918.2541914-1-sanjayembedded@gmail.com/
> > changes in v2:
> > - Following input from Jonathan and Andy, squash initial patch v1
> >   series in single change as individual change should not break
> > anything
> > - Add devm API support and two driver using the same
> > - v1 series ->
> > https://lore.kernel.org/all/20260428071613.1134053-1-sanjayembedded@gmail.com/
> > 
> > Testing:
> >   - Compiled with W=1 for each patch in series
> >   - Build-tested on QEMU x86_64
> > 
> > P.S.
> > - Sashiko reported an issue in a different driver and noted that it
> > is not
> >   introduced by this series. I have taken this feedback into
> > account and
> >   will address the actual issue in a separate series focus on that
> > driver.
> > - Once this series is merged into the IIO tree, a number of HID IIO
> >   drivers will become available to fully converted to devm API
> > usage.
> > - The changes are organized across drivers to keep similar
> > modifications
> >   grouped together for consistency, making the series easier to
> > review,
> >   rather than grouping all changes per driver.
> > 
> The series is mostly fine, though not sure what happened with how you
> sent
> it as I have it in seperate threads of 10 patches at a time. If you
> are having
> email troubles with big series, use b4 to send them instead
> (instructions on kernel.org)
> 
> My main concern is this is a lot of churn on a critical driver. I'd
> like therefore
> to be able to see the full benefit of those devm patches rather than
> get us
> part way as this does.
> 

I am not able to apply this patchset cleanly on 7.1-rc6. This series
does formatting changes, u32 changes and devm changes. Atleast three
different series will be better.

Thanks,
Srinivas


> Jonathan
> 
> > Thanks,
> > Sanjay Chitroda
> > 
> > Sanjay Chitroda (36):
> >   iio: hid-sensors: add missing blank line after declarations
> >   iio: gyro: hid-sensor-gyro-3d: use u32 instead of unsigned
> >   iio: accel: hid-sensor-accel-3d: use u32 instead of unsigned
> >   iio: light: hid-sensor-als: use u32 instead of unsigned
> >   iio: light: hid-sensor-prox: use u32 instead of unsigned
> >   iio: orientation: hid-sensor-incl-3d: use u32 instead of unsigned
> >   iio: orientation: hid-sensor-rotation: use u32 instead of
> > unsigned
> >   iio: pressure: hid-sensor-press: use u32 instead of unsigned
> >   iio: humidity: hid-sensor-humidity: align parenthesis for
> > readability
> >   iio: gyro: hid-sensor-gyro-3d: align parenthesis for readability
> >   iio: magnetometer: hid-sensor-magn-3d: align parenthesis for
> >     readability
> >   iio: humidity: hid-sensor-humidity: use common device for devres
> >   iio: position: hid-sensor-custom-intel-hinge: use common device
> > for
> >     devres
> >   iio: temperature: hid-sensor-temperature: use common device for
> > devres
> >   iio: humidity: hid-sensor-humidity: use local struct device
> >   iio: gyro: hid-sensor-gyro-3d: use local struct device
> >   iio: accel: hid-sensor-accel-3d: use local struct device
> >   iio: light: hid-sensor-als: use local struct device
> >   iio: light: hid-sensor-prox: use local struct device
> >   iio: magnetometer: hid-sensor-magn-3d: use local struct device
> >   iio: orientation: hid-sensor-incl-3d: use local struct device
> >   iio: orientation: hid-sensor-rotation: use local struct device
> >   iio: position: hid-sensor-custom-intel-hinge: use local struct
> > device
> >   iio: pressure: hid-sensor-press: use local struct device
> >   iio: hid-sensors: remove unused iio_dev argument
> >   iio: hid-sensors: introduce device managed API
> >   iio: gyro: hid-sensor-gyro-3d: drop hid_sensor_remove_trigger()
> > using
> >     devm API
> >   iio: humidity: hid-sensor-humidity: drop
> > hid_sensor_remove_trigger()
> >     using devm API
> >   iio: light: hid-sensor-prox: drop hid_sensor_remove_trigger()
> > using
> >     devm API
> >   iio: light: hid-sensor-als: drop hid_sensor_remove_trigger()
> > using
> >     devm API
> >   iio: magnetometer: hid-sensor-magn-3d: drop
> >     hid_sensor_remove_trigger() using devm API
> >   iio: orientation: hid-sensor-incl-3d: drop
> > hid_sensor_remove_trigger()
> >     using devm API
> >   iio: orientation: hid-sensor-rotation: drop
> >     hid_sensor_remove_trigger() using devm API
> >   iio: position: hid-sensor-custom-intel-hinge: drop
> >     hid_sensor_remove_trigger() using devm API
> >   iio: pressure: hid-sensor-press: drop hid_sensor_remove_trigger()
> >     using devm API
> >   iio: temperature: hid-sensor-temperature: drop
> >     hid_sensor_remove_trigger() using devm API
> > 
> >  drivers/iio/accel/hid-sensor-accel-3d.c       |  30 ++---
> >  .../common/hid-sensors/hid-sensor-trigger.c   |  24 +++-
> >  .../common/hid-sensors/hid-sensor-trigger.h   |   5 +-
> >  drivers/iio/gyro/hid-sensor-gyro-3d.c         |  96 ++++++++------
> > -
> >  drivers/iio/humidity/hid-sensor-humidity.c    |  61 +++++-----
> >  drivers/iio/light/hid-sensor-als.c            |  31 +++--
> >  drivers/iio/light/hid-sensor-prox.c           |  30 ++---
> >  drivers/iio/magnetometer/hid-sensor-magn-3d.c | 112 +++++++++-----
> > ----
> >  drivers/iio/orientation/hid-sensor-incl-3d.c  |  36 +++---
> >  drivers/iio/orientation/hid-sensor-rotation.c |  38 +++---
> >  .../position/hid-sensor-custom-intel-hinge.c  |  27 ++---
> >  drivers/iio/pressure/hid-sensor-press.c       |  36 +++---
> >  .../iio/temperature/hid-sensor-temperature.c  |  15 +--
> >  13 files changed, 264 insertions(+), 277 deletions(-)
> > 
> > 
> > base-commit: 08297ca8422541dde6c8b7e6b1d68bd4aa4568ef