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

From: Zong Li
Date: Wed Apr 14 2021 - 10:13:15 EST


On Mon, Apr 12, 2021 at 7:31 PM Andreas Schwab <schwab@xxxxxxxxxxxxxx> 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.

> Andreas.
>
> --
> Andreas Schwab, schwab@xxxxxxxxxxxxxx
> GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
> "And now for something completely different."