On Sat, 3 Nov 2018 12:39:27 +0000
Jonathan Cameron <jic23@xxxxxxxxxx> wrote:
> On Thu, 1 Nov 2018 21:05:09 +0530
> Himanshu Jha <himanshujha199640@xxxxxxxxx> wrote:
>
> > On Wed, Oct 31, 2018 at 09:30:36PM +0530, Nishad Kamdar wrote:
> > > Add device tree table for matching vendor ID.
> > >
> > > Signed-off-by: Nishad Kamdar <nishadkamdar@xxxxxxxxx>
> > > ---
> > > drivers/staging/iio/resolver/ad2s1210.c | 7 +++++++
> > > 1 file changed, 7 insertions(+)
> > >
> > > diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c
> > > index d3e7d5aad2c8..7c50def91a2b 100644
> > > --- a/drivers/staging/iio/resolver/ad2s1210.c
> > > +++ b/drivers/staging/iio/resolver/ad2s1210.c
> > > @@ -701,6 +701,12 @@ static int ad2s1210_remove(struct spi_device *spi)
> > > return 0;
> > > }
> > >
> > > +static const struct of_device_id ad2s1210_of_match[] = {
> > > + { .compatible = "adi,ad2s1210", },
> > > + { }
> > > +};
> > > +MODULE_DEVICE_TABLE(of, ad2s1210_of_match);
> >
> > I believe this needs to be documented at:
> >
> > Documentation/devicetree/bindings/iio/resolver/ad2s1210.txt
> >
> > Cc'ed to devictree list + Rob(DT Maintainer).
> >
> > Just wondering why didn't it came up till now from the IIO reviewers ? v7!!
>
> Because in staging drivers graduations we often hold off doing the
> dt-bindings document until we have full visibility of where we are going.
>
> A lot of them have dodgy DT bindings (and that might even be the reason
> they are in staging). What we don't want is to have a doc for a silly
> binding in the 'official' list as we'll have to support it for ever.
>
> It needs documenting before moving out staging, but not necessarily now.
> Particularly as this device is complex and has a 'lot' of other stuff
> that isn't currently supported and quite possibly never will be.
> Some of that would have non obvious dt bindings if we did support it.
> For example we 'might' route the encoder outputs round to the inputs
> of a counter driver and end up with a complex entity representing
> the facilities that both fo them provide.
>
> Agreed, the DT binding doc needs to come soon and before the move out
> staging, but I am quite happy with it being in the next series.
>
> A line in the description to that effect would have been useful of
> course!
>
Applied, with a line on the intent to document once driver is cleaned
up added.
Thanks,
Jonathan
> Jonathan
>
> >
> >
>
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