[RFC RESEND PATCH 1/2] arm64: dts: renesas: r9a07g043: Introduce SOC_PERIPHERAL_IRQ() macro to specify interrupt property

[Lad, Prabhakar]

Hi Geert,

Thank you for the review.

On Tue, Oct 25, 2022 at 1:28 PM Geert Uytterhoeven <geert at linux-m68k.org> wrote:
>
> Hi Prabhakar,
>
> On Mon, Oct 17, 2022 at 11:12 AM Prabhakar <prabhakar.csengg at gmail.com> wrote:
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
> >
> > Introduce SOC_PERIPHERAL_IRQ() macro to specify interrupt property so
> > that we can share the common parts of the SoC DTSI with the RZ/Five
> > (RISC-V) SoC and the RZ/G2UL (ARM64) SoC.
> >
> > This patch adds a new file r9a07g043u.dtsi to separate out RZ/G2UL
> > (ARM64) SoC specific parts. No functional changes (same DTB).
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
>
> Thanks for your patch!
>
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/renesas/r9a07g043u.dtsi
> > @@ -0,0 +1,12 @@
> > +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +/*
> > + * Device Tree Source for the RZ/G2UL SoC
> > + *
> > + * Copyright (C) 2022 Renesas Electronics Corp.
> > + */
> > +
> > +#include <dt-bindings/interrupt-controller/arm-gic.h>
> > +
> > +#define SOC_PERIPHERAL_IRQ(nr, na)     GIC_SPI nr na
>
> s/na/flags/
>
> Originally, when I assumed incorrectly that dtc does not support
> arithmetic, I used "nr" and "na" in the macro I proposed to mean RISC-V
> ("r") resp. ARM ("a") interrupt number.  Apparently the names stuck,
> although the second parameter now has a completely different meaning ;-)
>
> However, as the NCEPLIC does support interrupt flags, unlike the SiFive
> PLIC, there is no need to have the flags parameter in the macro.
>
Ok, I'll drop the second parameter.

Cheers,
Prabhakar