linux-kernel - Re: [PATCH v3 3/6] riscv: dts: microchip: fix board compatible

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Date:   Tue, 21 Sep 2021 13:46:22 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Cc:     Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Linux MMC List <linux-mmc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH v3 3/6] riscv: dts: microchip: fix board compatible

Hi Krzysztof,

On Mon, Sep 20, 2021 at 5:09 PM Krzysztof Kozlowski
<krzysztof.kozlowski@...onical.com> wrote:
> According to bindings, the compatible must include microchip,mpfs.  This
> fixes dtbs_check warning:
>
>   arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dt.yaml: /: compatible: ['microchip,mpfs-icicle-kit'] is too short
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>

Reviewed-by: Geert Uytterhoeven <geert@...ux-m68k.org>

> --- a/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts
> +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts
> @@ -10,7 +10,7 @@
>
>  / {
>         model = "Microchip PolarFire-SoC Icicle Kit";
> -       compatible = "microchip,mpfs-icicle-kit";
> +       compatible = "microchip,mpfs-icicle-kit", "microchip,mpfs";
>
>         aliases {
>                 ethernet0 = &emac1;
> diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
> index 93730afe6c58..5084b93188f0 100644
> --- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
> +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
> @@ -7,7 +7,7 @@ / {
>         #address-cells = <2>;
>         #size-cells = <2>;
>         model = "Microchip MPFS Icicle Kit";

Note that "model" should be "Microchip PolarFire SoC"
(with/without a hyphen? seems like the occurrence in
 microchip-mpfs-icicle-kit.dts is the only one with a hyphen)

> -       compatible = "microchip,mpfs-icicle-kit";
> +       compatible = "microchip,mpfs";
>
>         chosen {
>         };

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