Re: [PATCH v3 2/3] dt-bindings: interrupt-controller: renesas,rzg2l-irqc: Update description for '#interrupt-cells' property

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On Fri, 08 Sep 2023 10:31:35 +0100,
Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> 
> Hi Marc,
> 
> On Thu, Aug 11, 2022 at 4:50 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> > On Sun, Jul 24, 2022 at 1:01 PM Marc Zyngier <maz@xxxxxxxxxx> wrote:
> > > On Fri, 22 Jul 2022 16:11:54 +0100,
> > > Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> wrote:
> > > >
> > > > Update description for '#interrupt-cells' property to utilize the
> > > > RZG2L_{NMI,IRQX} for the first cell defined in the
> > > > include/dt-bindings/interrupt-controller/irqc-rzg2l.h file.
> > > >
> > > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > > > ---
> > > > v3:
> > > > * New patch
> >
> > > > --- a/Documentation/devicetree/bindings/interrupt-controller/renesas,rzg2l-irqc.yaml
> > > > +++ b/Documentation/devicetree/bindings/interrupt-controller/renesas,rzg2l-irqc.yaml
> > > > @@ -31,8 +31,9 @@ properties:
> > > >        - const: renesas,rzg2l-irqc
> > > >
> > > >    '#interrupt-cells':
> > > > -    description: The first cell should contain external interrupt number (IRQ0-7) and the
> > > > -                 second cell is used to specify the flag.
> > > > +    description: The first cell should contain a macro RZG2L_{NMI,IRQX} included in the
> > > > +                 include/dt-bindings/interrupt-controller/irqc-rzg2l.h and the second
> > > > +                 cell is used to specify the flag.
> > >
> > > I think a binding should be self describing, and not rely on an opaque
> > > macro. Mentioning that there is a macro that encodes it is fine, but
> > > the values are what matter, specially when considering that other OSs
> > > could (and should be able to) write their own DTs from scratch without
> > > depending on something that is very much Linux-specific.
> >
> > The macros are not Linux-specific, and are part of the bindings.
> > But the only hard dependency on <dt-bindings/interrupt-controller/irqc-rzg2l.h>
> > is the DT source file describing the board.
> >
> > Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> 
> Looks like this fell through the cracks?
> The two other patches from this series were applied in v6.1.
> 
> Note that the current DT bindings are incorrect, as they do not take into
> account that the value of zero is used to represent the NMI.
> 
> Fixes: 96fed779d3d4cb3c ("dt-bindings: interrupt-controller: Add
> Renesas RZ/G2L Interrupt Controller")
> 
> Should we resend instead?

It applied cleanly to v6.6-rc1, so there should be no need.

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.




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