linux-kernel - Re: [PATCH] iio: proximity: as3935 change of_property_read to device_property

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Message-ID: <CALudOK6y9Svb=Mo1gnVyp1eFdPFqy1B0PknigozrAmTWdpjAAw@mail.gmail.com>
Date:   Sun, 18 Oct 2020 09:12:37 +0530
From:   Vaishnav M A <vaishnav@...gleboard.org>
To:     Matt Ranostay <matt.ranostay@...sulko.com>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Alexandru Ardelean <alexandru.ardelean@...log.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        "open list:IIO SUBSYSTEM AND DRIVERS" <linux-iio@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Jason Kridner <jkridner@...gleboard.org>,
        Drew Fustini <drew@...gleboard.org>,
        Robert Nelson <robertcnelson@...gleboard.org>,
        Ivan Rajković <rajkovic@...roe.com>
Subject: Re: [PATCH] iio: proximity: as3935 change of_property_read to device_property_read

On Sun, Oct 18, 2020 at 3:57 AM Matt Ranostay
<matt.ranostay@...sulko.com> wrote:
>
> On Fri, Oct 16, 2020 at 11:41 AM Vaishnav M A <vaishnav@...gleboard.org> wrote:
> >
> >
> > This patch aims to replace the of_property_read_u32 for reading
> > the ams,tuning-capacitor-pf, ams,nflwdth properties with
> > device_property_read_u32.
> >
> > Thanks and Regards,
> > Vaishnav M A
>
> Could you explain a bit more in the commit message why this is needed?
>
> Also you pop comments that shouldn't be in the commit message below
> the "---" line :)
>
Thanks for pointing this out, sorry for the mistake, I have updated the commit
message in the new v2 patch:
 https://lore.kernel.org/patchwork/patch/1322170/
> >
> > Signed-off-by: Vaishnav M A <vaishnav@...gleboard.org>
> > ---
> >  drivers/iio/proximity/as3935.c | 5 ++---
> >  1 file changed, 2 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c
> > index c339e7339ec8..7e47ddf89a56 100644
> > --- a/drivers/iio/proximity/as3935.c
> > +++ b/drivers/iio/proximity/as3935.c
> > @@ -355,7 +355,6 @@ static int as3935_probe(struct spi_device *spi)
> >         struct iio_dev *indio_dev;
> >         struct iio_trigger *trig;
> >         struct as3935_state *st;
> > -       struct device_node *np = spi->dev.of_node;
> >         int ret;
> >
> >         /* Be sure lightning event interrupt is specified */
> > @@ -374,7 +373,7 @@ static int as3935_probe(struct spi_device *spi)
> >         spi_set_drvdata(spi, indio_dev);
> >         mutex_init(&st->lock);
> >
> > -       ret = of_property_read_u32(np,
> > +       ret = device_property_read_u32(&spi->dev,
> >                         "ams,tuning-capacitor-pf", &st->tune_cap);
> >         if (ret) {
> >                 st->tune_cap = 0;
> > @@ -390,7 +389,7 @@ static int as3935_probe(struct spi_device *spi)
> >                 return -EINVAL;
> >         }
> >
> > -       ret = of_property_read_u32(np,
> > +       ret = device_property_read_u32(&spi->dev,
> >                         "ams,nflwdth", &st->nflwdth_reg);
> >         if (!ret && st->nflwdth_reg > AS3935_NFLWDTH_MASK) {
> >                 dev_err(&spi->dev,
> > --
> > 2.25.1
> >