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

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Message-ID: <CAJCx=g=3YczXwHzw4+pvDwiBdx8mo8qf=ss0_KC1W3uOANr0Vw@mail.gmail.com>
Date:   Sat, 17 Oct 2020 15:27:47 -0700
From:   Matt Ranostay <matt.ranostay@...sulko.com>
To:     Vaishnav M A <vaishnav@...gleboard.org>
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>,
        jkridner@...gleboard.org, drew@...gleboard.org,
        robertcnelson@...gleboard.org, rajkovic@...roe.com
Subject: Re: [PATCH] iio: proximity: as3935 change of_property_read to device_property_read

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 :)

>
> 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
>