linux-kernel - Re: [PATCH 6/6] WIP: arm64: dts: renesas: falcon: switch to from SCIF0 to HSCIF0

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Date:   Tue, 5 Jan 2021 17:24:32 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc:     Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 6/6] WIP: arm64: dts: renesas: falcon: switch to from
 SCIF0 to HSCIF0

Hi Wolfram,

On Mon, Dec 28, 2020 at 12:28 PM Wolfram Sang
<wsa+renesas@...g-engineering.com> wrote:
> Mainly for testing the HSCIF0 node. We could make this switch permanent,
> but we never did for any other SoC. So, I think this is not to be
> applied.

The choice of serial console has to match the bootloader.
That's why we didn't do it for other SoCs where the serial console can be
muxed to different serial instances.

>
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>

> --- a/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
> @@ -14,7 +14,7 @@ / {
>         compatible = "renesas,falcon-breakout", "renesas,falcon-cpu", "renesas,r8a779a0";
>
>         aliases {
> -               serial0 = &scif0;
> +               serial0 = &hscif0;
>         };

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