linux-kernel - Re: [PATCH v5 4/6] drivers: iio: dac: ad5766: Fix dt property name

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Message-ID: <20210919181108.41e61514@jic23-huawei>
Date:   Sun, 19 Sep 2021 18:11:08 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Alexandru Ardelean <ardeleanalex@...il.com>
Cc:     Mihail Chindris <mihail.chindris@...log.com>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-iio <linux-iio@...r.kernel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        "Hennerich, Michael" <Michael.Hennerich@...log.com>,
        Nuno Sá <nuno.sa@...log.com>,
        "Bogdan, Dragos" <dragos.bogdan@...log.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH v5 4/6] drivers: iio: dac: ad5766: Fix dt property name

On Fri, 17 Sep 2021 10:53:54 +0300
Alexandru Ardelean <ardeleanalex@...il.com> wrote:

> On Fri, Sep 17, 2021 at 9:11 AM Mihail Chindris
> <mihail.chindris@...log.com> wrote:
> >
> > In the documentation the name for the property is
> > output-range-microvolts which is a standard name, therefore this name
> > must be used.
> >  
> 
> This requires a Fixes tag.
> With that addressed:
> 
> Reviewed-by: Alexandru Ardelean <ardeleanalex@...il.com>

Good catch. These cases are always a mess. 
As the binding doc went in with the driver, there should have been no window
in which anyone who was actually checking their DTS files against the yaml could
have this wrong. Hopefully that means we don't have any broken ones out there in the wild

As this is binding related, sensible to cc Rob and the dt list.
+CC


> 
> > Signed-off-by: Mihail Chindris <mihail.chindris@...log.com>
> > ---
> >  drivers/iio/dac/ad5766.c | 6 +++---
> >  1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/iio/dac/ad5766.c b/drivers/iio/dac/ad5766.c
> > index 3104ec32dfac..dafda84fdea3 100644
> > --- a/drivers/iio/dac/ad5766.c
> > +++ b/drivers/iio/dac/ad5766.c
> > @@ -503,13 +503,13 @@ static int ad5766_get_output_range(struct ad5766_state *st)
> >         int i, ret, min, max, tmp[2];
> >
> >         ret = device_property_read_u32_array(&st->spi->dev,
> > -                                            "output-range-voltage",
> > +                                            "output-range-microvolts",
> >                                              tmp, 2);
> >         if (ret)
> >                 return ret;
> >
> > -       min = tmp[0] / 1000;
> > -       max = tmp[1] / 1000;
> > +       min = tmp[0] / 1000000;
> > +       max = tmp[1] / 1000000;
> >         for (i = 0; i < ARRAY_SIZE(ad5766_span_tbl); i++) {
> >                 if (ad5766_span_tbl[i].min != min ||
> >                     ad5766_span_tbl[i].max != max)
> > --
> > 2.27.0
> >