linux-kernel - Re: [PATCH] clk: renesas: rcar-gen3: disable R-Car H3 ES1.*

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Message-ID: <CAMuHMdWGd3=vZER4bArO34zyJ2pjhXrViNp8x+8wVfNpKCZqaA@mail.gmail.com>
Date:   Fri, 10 Feb 2023 10:13:50 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc:     linux-renesas-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: renesas: rcar-gen3: disable R-Car H3 ES1.*

Hi Wolfram,

On Thu, Feb 2, 2023 at 10:23 AM Wolfram Sang
<wsa+renesas@...g-engineering.com> wrote:
> R-Car H3 ES1.* was only available to an internal development group and
> needed a lot of quirks and workarounds. These become a maintenance
> burden now, so our development group decided to remove upstream support
> for this SoC. Public users only have ES2 onwards.
>
> In addition to the ES1 specific removals, a check for it was added
> preventing the machine to boot further. It may otherwise inherit wrong
> clock settings from ES2 which could damage the hardware.
>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>

Thank you, queuing in renesas-clk-for-v6.3, as this serves as the
main gatekeeper for preventing booting on R-Car H3 ES1.x.  Hence
it should go upstream before any of the other R-Car H3 ES1.x quirk
handling is removed (in v6.4).

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