APPLIED[M]: [SRU] [J/L/M] [PATCH 0/1] Fix unreliable ethernet cable detection on I219 NIC

[Andrea Righi]

On Mon, Aug 21, 2023 at 11:37:22AM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/2028122
> 
> [Impact]
> Hotplugging RJ45 ethernet cable only works for one time because ACPI GPE
> wake doesn't working properly anymore.
> 
> [Fix]
> Always use PME poll to read PCI PME to know if there's wake event.
> 
> [Test]
> With the patch applied, ethernet cable can always be detected.
> 
> [Where problems could occur]
> PME poll mechanism periodically reads the PMCTRL register, so the power
> consumption can be slightly higher. The increase will be very low,
> probably won't be noticeable.

Applied to mantic/linux-unstable, thanks!

-Andrea