linux-kernel - Re: [PATCH v7 0/5] clk: add driver for the SiFive FU740

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Date:   Tue, 11 May 2021 08:53:58 +0000
From:   Yixun Lan <yixun.lan@...il.com>
To:     Zong Li <zong.li@...ive.com>
Cc:     Andreas Schwab <schwab@...ux-m68k.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Pragnesh Patel <pragnesh.patel@...nfive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Michael Turquette <mturquette@...libre.com>,
        "linux-kernel@...r.kernel.org List" <linux-kernel@...r.kernel.org>,
        linux-clk@...r.kernel.org,
        linux-riscv <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH v7 0/5] clk: add driver for the SiFive FU740

On Wed, Apr 14, 2021 at 2:25 PM Zong Li <zong.li@...ive.com> wrote:
>
> On Mon, Apr 12, 2021 at 7:31 PM Andreas Schwab <schwab@...ux-m68k.org> wrote:
> >
> > On Mär 31 2021, Zong Li wrote:
> >
> > > I found that the gemgxlpll was disabled immediately by power
> > > management after macb driver install. The mainline's defconfig doesn't
> > > enable CONFIG_PM, so the network is fine on it. The opensuse defconfig
> > > enables CONFIG_PM, and the patch
> > > 732374a0b440d9a79c8412f318a25cd37ba6f4e2 added the enable/disable
> > > callback functions, so the gemgxlpll PLL, I have no idea why power
> > > management disable it, I would keep trace it.
> >
> > Does that mean that CONFIG_PM also affects the FU740?
> >
>
> Yes, we got the same problem on the FU740. We are checking the issue.
>
Just a mild ping, any progress regarding this issue?

Yxun