Re: [PATCH net-next 3/3] net: fec: reset phy on resume after power-up

Francesco Dolcini
2021-12-16T07:52:21Z

On Thu, Dec 16, 2021 at 04:52:39AM +0000, Joakim Zhang wrote:
> As I can see, when system suspended, PHY is totally powered down,
> since you disable the regulator. At this situation, if you
> assert reset signal, you mean it will increase the power
> consumption? PHY is totally powered down, why assert reset
> signal still affect PHY?
In general there are *other* use cases in which the PHY is powered in
suspend. We should not create a regression there.

Francesco