Re: [PATCH v2 0/4] iio: introduce devm_ API for hid sensro setup and cleanup
From: Jonathan Cameron
Date: Tue May 05 2026 - 12:36:01 EST
On Fri, 01 May 2026 04:53:38 -0700
srinivas pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx> wrote:
> + Lixu
>
> On Wed, 2026-04-29 at 23:29 +0530, Sanjay Chitroda wrote:
> > From: Sanjay Chitroda <sanjayembeddedse@xxxxxxxxx>
> >
> > Key highlights:
> > - Prepare change as pre-requisite for devm conversion for HID IIO
> > drivers by removing redundant argument
> > - Add devm API to setup trigger and clenaup resource using
> > devm_add_action_or_reset()
> > - few sample driver update using devm conversion to auto release
> > resource
> >
>
> devm_* calls are fine but needs tests particularly when forces ISH PCI
> drivers unbind, while iio-sensor-proxy has open sessions.
>
> Lixu, Please check.
Hold off perhaps until we have a v3 with fixes for the existing devm
calls against wrong struct device.
Thanks,
Jonathan
>
> Thanks,
> Srinivas
>
>
>
> > 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@xxxxxxxxx/
> >
> > Testing:
> > - Compiled with W=1
> > - Build-tested on QEMU x86_64
> >
> > Based on further feedback and reviews, I would extend this series to
> > convert all HID IIO driver to use devm_* API.
> >
> > Thanks,
> > Sanjay Chitroda
> >
> > Sanjay Chitroda (4):
> > iio: hid-sensors: drop redundant iio_dev argument
> > iio: hid-sensors: introduce device managed API
> > iio: gyro: drop hid_sensor_remove_trigger() using devm API
> > iio: humidity: drop hid_sensor_remove_trigger() using devm API
> >
> > drivers/iio/accel/hid-sensor-accel-3d.c | 4 +--
> > .../common/hid-sensors/hid-sensor-trigger.c | 27
> > +++++++++++++++++--
> > .../common/hid-sensors/hid-sensor-trigger.h | 5 ++--
> > drivers/iio/gyro/hid-sensor-gyro-3d.c | 10 +++----
> > drivers/iio/humidity/hid-sensor-humidity.c | 10 +++----
> > drivers/iio/light/hid-sensor-als.c | 4 +--
> > drivers/iio/light/hid-sensor-prox.c | 4 +--
> > drivers/iio/magnetometer/hid-sensor-magn-3d.c | 4 +--
> > drivers/iio/orientation/hid-sensor-incl-3d.c | 4 +--
> > drivers/iio/orientation/hid-sensor-rotation.c | 4 +--
> > .../position/hid-sensor-custom-intel-hinge.c | 4 +--
> > drivers/iio/pressure/hid-sensor-press.c | 4 +--
> > .../iio/temperature/hid-sensor-temperature.c | 4 +--
> > 13 files changed, 52 insertions(+), 36 deletions(-)
> >
> >
> > base-commit: eade2b843d9b1f668fc1775f15611bb0a1999cd9