[Intel-wired-lan] [Regression] "e1000e: Add support for S0ix" breaks s2idle on Lenovo X1 Carbon 7th

Kai-Heng Feng kai.heng.feng at canonical.com
Wed Mar 18 12:21:55 UTC 2020

Hi Sasha,

> On Mar 18, 2020, at 16:50, Neftin, Sasha <sasha.neftin at intel.com> wrote:


> ok, let's understand where is PHY location.

Lenovo confirmed the PHY is inside the laptop.

> Since no docking connected why driver should run?

Because the SoC in the laptop has an I219 device?

> There is no RJ45 port on laptop.

The Lenovo ethernet dongle wires the RJ45 to the I219 device.

> S0ix flow same (I got confirmation from our architecture team) and should haven't impact on Sx.
> if PHY located externally... during S0ix flow we try access to the PHY and it can be problem. Since laptop have no RJ45 connector driver not expected to run I though.

But the I219 device is always on the PCI bus so e1000e should bind to it?


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