linux-kernel - Re: [PATCH v2 4/4] iio: adc: at91_adc: remove of_match

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Message-ID: <20200930091401.GE2804081@piout.net>
Date:   Wed, 30 Sep 2020 11:14:01 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Alexandru Ardelean <ardeleanalex@...il.com>
Cc:     Alexandru Ardelean <alexandru.ardelean@...log.com>,
        linux-iio <linux-iio@...r.kernel.org>,
        linux-arm-kernel@...ts.infradead.org,
        LKML <linux-kernel@...r.kernel.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>
Subject: Re: [PATCH v2 4/4] iio: adc: at91_adc: remove of_match_ptr() usage

On 30/09/2020 11:46:06+0300, Alexandru Ardelean wrote:
> On Wed, Sep 30, 2020 at 10:48 AM Alexandre Belloni
> <alexandre.belloni@...tlin.com> wrote:
> >
> > Hi,
> >
> > On 30/09/2020 09:00:08+0300, Alexandru Ardelean wrote:
> > > Since the driver should be allowed to build without OF support, the
> > > of_match_ptr() is redundant.
> > >
> >
> > This can probably be squashed with the previous commit.
> >
> > Also, I think that you should really make the driver DT only else, the
> > driver will carry dead code and there will be no reminder that a cleanup
> > is needed.
> >
> > I can take care of that if you feel that this is more work than what you
> > wanted to spend on this driver.
> 
> Ah, you're saying remove the old pdata?

Yes, since you are making the driver DT only, the pdata has to be
removed, don't forget to also remove the header file.

> I can do that while waiting for other of my patches to go in.
> 
> >
> > > Signed-off-by: Alexandru Ardelean <alexandru.ardelean@...log.com>
> > > ---
> > >  drivers/iio/adc/at91_adc.c | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
> > > index 7d846a2852a5..473bffe84fbd 100644
> > > --- a/drivers/iio/adc/at91_adc.c
> > > +++ b/drivers/iio/adc/at91_adc.c
> > > @@ -1466,7 +1466,7 @@ static struct platform_driver at91_adc_driver = {
> > >       .id_table = at91_adc_ids,
> > >       .driver = {
> > >                  .name = DRIVER_NAME,
> > > -                .of_match_table = of_match_ptr(at91_adc_dt_ids),
> > > +                .of_match_table = at91_adc_dt_ids,
> > >                  .pm = &at91_adc_pm_ops,
> > >       },
> > >  };
> > > --
> > > 2.17.1
> > >
> >
> > --
> > Alexandre Belloni, Bootlin
> > Embedded Linux and Kernel engineering
> > https://bootlin.com

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com