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 15:09:33 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Prabhakar <prabhakar.csengg@...il.com>
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 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.
I can make that change myself while/if applying.

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

> +#endif

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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