linux-kernel - Re: [PATCH 2/3] riscv: dts: fu540-c000: define hart clocks

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Date:   Wed, 16 Jun 2021 18:13:40 +0300
From:   David Abdurachmanov <david.abdurachmanov@...il.com>
To:     Bin Meng <bmeng.cn@...il.com>
Cc:     Yash Shah <yash.shah@...ive.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Sachin Ghadi <sachin.ghadi@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Green Wan <green.wan@...ive.com>,
        Atish Patra <atish.patra@....com>,
        Anup Patel <anup@...infault.org>,
        Alistair Francis <alistair.francis@....com>,
        lollivier@...libre.com, deepa.kernel@...il.com
Subject: Re: [PATCH 2/3] riscv: dts: fu540-c000: define hart clocks

On Wed, Jun 16, 2021 at 6:17 AM Bin Meng <bmeng.cn@...il.com> wrote:
>
> On Tue, Jun 16, 2020 at 8:01 PM Yash Shah <yash.shah@...ive.com> wrote:
> >
> > Declare that each hart defined in the FU540 DT data is clocked by the
> > COREPLL. This is in preparation for enabling CPUFreq for the
> > FU540-C000 SoC on the HiFive Unleashed board.
> >
> > Signed-off-by: Yash Shah <yash.shah@...ive.com>
> > ---
> >  arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 5 +++++
> >  1 file changed, 5 insertions(+)
> >
>
> Any idea of why this patch was not applied?

There was a decision not to upstream CPUFreq stuff for Unleashed thus
the whole series probably was abandoned. Not all Unleashed can operate
in a stable way at 1.4GHz. IIRC other issues could exist. See Palmer
reply for the whole series.

david

>
> Regards,
> Bin
>
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> linux-riscv@...ts.infradead.org
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