Re: [PATCH] spi: dt-bindings: spi-controller: Fix #address-cells for slave mode

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Hi Maxime,

On Thu, Feb 27, 2020 at 2:09 PM Maxime Ripard <maxime@xxxxxxxxxx> wrote:
> On Thu, Feb 27, 2020 at 02:03:23PM +0100, Geert Uytterhoeven wrote:
> > Currently, the DT bindings for an SPI controller specify that
> > "#address-cells" must be fixed to one.  However, that applies to an SPI
> > controller in master mode only.  When running in SPI slave mode,
> > "#address-cells" should be zero.
> >
> > Fix this making the value of "#address-cells" dependent on the presence
> > of "spi-slave".
> >
> > Fixes: 0a1b929356830257 ("spi: Add YAML schemas for the generic SPI options")
> > Reported-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

> > --- a/Documentation/devicetree/bindings/spi/spi-controller.yaml
> > +++ b/Documentation/devicetree/bindings/spi/spi-controller.yaml

> > @@ -52,6 +53,18 @@ properties:
> >      description:
> >        The SPI controller acts as a slave, instead of a master.
> >
> > +if:
> > +  required:
> > +    [ spi-slave ]
>
> Nit: Usually, that notation is when you would do it on the same line,
> if you want to go to a new line, it would make more sense to use -

Sorry, being a poor yaml-by-example programmer, I don't understand what
you mean.  Which part do you refer to by "that notation"?

Thanks!

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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