Re: [PATCH] pmdomain: amlogic: Keep Amlogic A9 ETH domain always on

[Qingpeng Yang]

Hi Martin,
    Thanks for your review.

On 9/14/2026 6:40 PM, Martin Blumenstingl wrote:
> On Mon, Sep 14, 2026 at 10:56 AM Xianwei Zhao via B4 Relay
> <devnull+xianwei.zhao.amlogic.com@xxxxxxxxxx> wrote:
> > From: Qingpeng Yang <qingpeng.yang@xxxxxxxxxxx>
> >
> > Mark the A9 ethernet power domain as always-on since it is required
> > for ethernet online wakeup and must not be powered down.
> Is "online wakeup" a wake up from suspend?
> If so: is the Ethernet controller listed with the "wakeup-source" flag
> in .dts{,i}?
> I'm wondering if the pmdomain and/or power (wakeup) frameworks in
> Linux have other ways of managing this case (e.g. only keeping the
> power domain active if needed).

Yes, "online wakeup" here means wakeup from system suspend.
The Ethernet controller is not currently listed with the "wakeup-source"
flag in the .dtsi.

After internal discussion, we have decided not to support Ethernet
wakeup for now. So we will drop the always-on change for the Ethernet
power domain in this series.

> Best regards,
> Martin