linux-kernel - Re: [PATCH v2 1/2] arm64: dts: renesas: r9a07g044: Use SoC specific macro for CPG and RESET

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Date:   Mon, 13 Feb 2023 14:51:03 +0000
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v2 1/2] arm64: dts: renesas: r9a07g044: Use SoC specific
 macro for CPG and RESET

Hi Geert,

Thank you for the review.

On Mon, Feb 13, 2023 at 2:09 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
> Hi Prabhakar,
>
> On Tue, Jan 31, 2023 at 11:42 PM Prabhakar <prabhakar.csengg@...il.com> wrote:
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> >
> > Use a SoC specific macro for CPG and RESET so that we can re-use the
> > RZ/G2L SoC DTSI for RZ/V2L SoC by just updating the SoC specific macro.
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > ---
> > v1->v2
> > * No change
>
> Thanks for your patch!
>
> > --- a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi
> > +++ b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi
> > @@ -1,12 +1,16 @@
> >  // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> >  /*
> > - * Device Tree Source for the RZ/G2L and RZ/G2LC common SoC parts
> > + * Device Tree Source for the RZ/G2L, RZ/G2LC and RZ/V2L common SoC parts
> >   *
> >   * Copyright (C) 2021 Renesas Electronics Corp.
> >   */
> >
> >  #include <dt-bindings/interrupt-controller/arm-gic.h>
> > +
> > +#ifndef SOC_CPG_PREFIX
> >  #include <dt-bindings/clock/r9a07g044-cpg.h>
> > +#define SOC_CPG_PREFIX(X)      R9A07G044_ ## X
>
> As we're setting a precedent, this might as well be just SOC_PREFIX(X).
> Some SoCs have multiple sets of definitions.
Agreed.

> I can make that change myself while/if applying.
>
Thank you.

> Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
>
> > +#endif
>
Cheers,
Prabhakar