linux-kernel - Re: [PATCH v2] iio: trigger: stm32-lptimer-trigger: remove unneeded platform_set

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Message-ID: <CAMu7dgvt0mmQTkL9t1F_NpEBSew+0fa1aQnn=Aw=6FA9KpP2nw@mail.gmail.com>
Date:   Sun, 6 Aug 2023 11:14:40 +0300
From:   Andrei Coardos <aboutphysycs@...il.com>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-iio@...r.kernel.org, alexandre.torgue@...s.st.com,
        mcoquelin.stm32@...il.com, lars@...afoo.de,
        Alexandru Ardelean <alex@...uggie.ro>
Subject: Re: [PATCH v2] iio: trigger: stm32-lptimer-trigger: remove unneeded platform_set_drvdata()

Thank you very much!

On Sat, 5 Aug 2023 at 21:31, Jonathan Cameron <jic23@...nel.org> wrote:
>
> On Wed,  2 Aug 2023 16:35:09 +0300
> Andrei Coardos <aboutphysycs@...il.com> wrote:
>
> > This function call was found to be unnecessary as there is no equivalent
> > platform_get_drvdata() call to access the private data of the driver. Also,
> > the private data is defined in this driver, so there is no risk of it being
> > accessed outside of this driver file.
> >
> > Reviewed-by: Alexandru Ardelean <alex@...uggie.ro>
> > Signed-off-by: Andrei Coardos <aboutphysycs@...il.com>
> > ---
> >
> > Changelog V1->V2:
> >
> > * https://lore.kernel.org/linux-iio/CAH3L5QpuoDYU6qvWH7_z5Yx0cW2qPMbCA8AFEYAPsiEkSzCiwQ@mail.gmail.com/T/#t
> > * Adjusted the returning values of the function
> >
> >
> >  drivers/iio/trigger/stm32-lptimer-trigger.c | 6 +-----
> >  1 file changed, 1 insertion(+), 5 deletions(-)
> >
> > diff --git a/drivers/iio/trigger/stm32-lptimer-trigger.c b/drivers/iio/trigger/stm32-lptimer-trigger.c
> > index df2416e33375..ab1cc6a05f26 100644
> > --- a/drivers/iio/trigger/stm32-lptimer-trigger.c
> > +++ b/drivers/iio/trigger/stm32-lptimer-trigger.c
> > @@ -88,11 +88,7 @@ static int stm32_lptim_trigger_probe(struct platform_device *pdev)
> >       priv->dev = &pdev->dev;
> >       priv->trg = stm32_lptim_triggers[index];
> >
> > -     ret = stm32_lptim_setup_trig(priv);
> > -     if (ret)
> > -             return ret;
> > -
> > -     return 0;
> > +     return stm32_lptim_setup_trig(priv);
> Both of us failed to notice ret isn't used any more.  Anyhow, I cleaned that
> up after spotting the build warning.
>
> Jonathan
>
> >  }
> >
> >  static const struct of_device_id stm32_lptim_trig_of_match[] = {
>