Re: [PATCH v3 4/4] staging: iio: ad7816: Add device tree table.

From: Nishad Kamdar
Date: Wed Nov 14 2018 - 11:54:59 EST


On Sun, Nov 11, 2018 at 12:38:02PM +0000, Jonathan Cameron wrote:
> On Fri, 9 Nov 2018 08:11:57 +0000
> "Ardelean, Alexandru" <alexandru.Ardelean@xxxxxxxxxx> wrote:
>
> > On Fri, 2018-11-09 at 13:08 +0530, Nishad Kamdar wrote:
> > > Add device tree table for matching vendor ID.
> >
> > One comment inline for this.
> >
> > Thanks
> > Alex
> >
> > >
> > > Signed-off-by: Nishad Kamdar <nishadkamdar@xxxxxxxxx>
> > > ---
> > > drivers/staging/iio/adc/ad7816.c | 7 +++++++
> > > 1 file changed, 7 insertions(+)
> > >
> > > diff --git a/drivers/staging/iio/adc/ad7816.c
> > > b/drivers/staging/iio/adc/ad7816.c
> > > index a2fead85cd46..b8a9149fbac1 100644
> > > --- a/drivers/staging/iio/adc/ad7816.c
> > > +++ b/drivers/staging/iio/adc/ad7816.c
> > > @@ -422,6 +422,12 @@ static int ad7816_probe(struct spi_device *spi_dev)
> > > return 0;
> > > }
> > >
> > > +static const struct of_device_id ad7816_of_match[] = {
> > > + { .compatible = "adi,ad7816", },
> >
> > I think you also need to add:
> > + { .compatible = "adi,ad7817", },
> > + { .compatible = "adi,ad7818", },
> >
>
> Yes, please add all parts to the dt binding.
> Particularly as they are functionally different in this case!
>
> Please send a v4 for just this patch as the rest have now been
> applied.
>
> Thanks,
>
>
> Jonathan
>
> > > + { }
> > > +};
> > > +MODULE_DEVICE_TABLE(of, ad7816_of_match);
> > > +
> > > static const struct spi_device_id ad7816_id[] = {
> > > { "ad7816", ID_AD7816 },
> > > { "ad7817", ID_AD7817 },
> > > @@ -434,6 +440,7 @@ MODULE_DEVICE_TABLE(spi, ad7816_id);
> > > static struct spi_driver ad7816_driver = {
> > > .driver = {
> > > .name = "ad7816",
> > > + .of_match_table = of_match_ptr(ad7816_of_match),
> > > },
> > > .probe = ad7816_probe,
> > > .id_table = ad7816_id,
>

Ok. I'll do that.

Thanks for the reivew.

regards,
Nishad