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From:   Sergio Paracuellos <sergio.paracuellos@gmail.com>
Date:   Thu, 8 Jul 2021 10:40:20 +0200
Message-ID: <CAMhs-H-kNkM7Rsr0BTp8f_a0OQ3fRVsgQwNP+kXGDS3EU7Mthg@mail.gmail.com>
Subject: Re: [PATCH 0/3] gpiolib: convert 'devprop_gpiochip_set_names' to
 support multiple gpiochip per device
To:     Andy Shevchenko <andy.shevchenko@gmail.com>
Cc:     "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        gregory.0xf0@gmail.com,
        Bartosz Golaszewski <bgolaszewski@baylibre.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        =?UTF-8?Q?Ren=C3=A9_van_Dorst?= <opensource@vdorst.com>,
        John Thomson <git@johnthomson.fastmail.com.au>,
        NeilBrown <neil@brown.name>,
        Nicholas Mc Guire <hofrat@osadl.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Thu, Jul 8, 2021 at 10:02 AM Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
>
> On Thu, Jul 8, 2021 at 10:04 AM Sergio Paracuellos
> <sergio.paracuellos@gmail.com> wrote:
> >
> > There are some unfortunate cases where the DT representation
> > of the device and the Linux internal representation differs.
> > Such drivers for devices are forced to implement a custom function
> > to avoid the core code 'devprop_gpiochip_set_names' to be executed
> > since in any other case every gpiochip inside will got repeated
> > names through its internal gpiochip banks. To avoid this antipattern
> > this changes are introduced trying to adapt core 'devprop_gpiochip_set_names'
> > to get a correct behaviour for every single situation.
> >
> > This series introduces a new 'offset' field in the gpiochip structure
> > that can be used for those unfortunate drivers that must define multiple
> > gpiochips per device.
> >
> > Drivers affected by this situation are also updated. These are
> > 'gpio-mt7621' and 'gpio-brcmstb'.
> >
> > Motivation for this series available at [0].
> >
> > Thanks in advance for your feedback.
>
> Thanks for doing this!
> LGTM,
> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>

Thanks for your feedback and support!

>
> > Best regards,
> >     Sergio Paracuellos
> >
> > [0]: https://lkml.org/lkml/2021/6/26/198
> >
> > Sergio Paracuellos (3):
> >   gpiolib: convert 'devprop_gpiochip_set_names' to support multiple
> >     gpiochip baks per device
> >   gpio: mt7621: support gpio-line-names property
> >   gpio: brcmstb: remove custom 'brcmstb_gpio_set_names'
> >
> >  drivers/gpio/gpio-brcmstb.c | 45 +------------------------------------
> >  drivers/gpio/gpio-mt7621.c  |  1 +
> >  drivers/gpio/gpiolib.c      | 34 +++++++++++++++++++++++-----
> >  include/linux/gpio/driver.h |  4 ++++
> >  4 files changed, 34 insertions(+), 50 deletions(-)
> >
> > --
> > 2.25.1
> >
>
>
> --
> With Best Regards,
> Andy Shevchenko