Re: [PATCH v2 0/7] iio: convert GPIO chips to using new value setters

From: Jonathan Cameron
Date: Sat Apr 12 2025 - 07:34:26 EST


On Wed, 09 Apr 2025 15:08:24 +0100
Nuno Sá <noname.nuno@xxxxxxxxx> wrote:

> On Wed, 2025-04-09 at 10:40 +0200, Bartosz Golaszewski wrote:
> > struct gpio_chip now has callbacks for setting line values that return
> > an integer, allowing to indicate failures. We're in the process of
> > converting all GPIO drivers to using the new API. This series converts
> > all the IIO GPIO controllers and also contains some additional
> > refactoring patches for ad5592r in preparation for the conversion.
> >
> > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
> > ---
>
> LGTM,
>
> Reviewed-by: Nuno Sá <nuno.sa@xxxxxxxxxx>
>
Applied with that tweak to patch 2.
Pushed out initially as testing for the build bots to poke at it some more.

Jonathan

> > Changes in v2:
> > - move devm_mutex_init() earlier in probe() to avoid using a goto
> > - rework returning on error in ad5592r_set_channel_modes(): return
> >   immediately instead of saving the return value and going to the bottom
> >   of the function
> > - use scoped_guard() in one more place to fix a build warning reported
> >   by the build bot
> > - Link to v1:
> > https://lore.kernel.org/r/20250407-gpiochip-set-rv-iio-v1-0-8431b003a145@xxxxxxxxxx
> >
> > ---
> > Bartosz Golaszewski (7):
> >       iio: dac: ad5592r: destroy mutexes in detach paths
> >       iio: dac: ad5592r: use lock guards
> >       iio: dac: ad5592r: use new GPIO line value setter callbacks
> >       iio: adc: ti-ads7950: use new GPIO line value setter callbacks
> >       iio: adc: ad4130: use new GPIO line value setter callbacks
> >       iio: addac: ad74413r: use new GPIO line value setter callbacks
> >       iio: addac: ad74115: use new GPIO line value setter callbacks
> >
> >  drivers/iio/adc/ad4130.c       |  10 +--
> >  drivers/iio/adc/ti-ads7950.c   |  17 +++--
> >  drivers/iio/addac/ad74115.c    |  18 +++--
> >  drivers/iio/addac/ad74413r.c   |  28 ++++----
> >  drivers/iio/dac/ad5592r-base.c | 147 ++++++++++++++++++----------------------
> > -
> >  5 files changed, 103 insertions(+), 117 deletions(-)
> > ---
> > base-commit: 0af2f6be1b4281385b618cb86ad946eded089ac8
> > change-id: 20250401-gpiochip-set-rv-iio-b064ce43791d
> >
> > Best regards,