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

[Thibault Ferrante]

On 21/08/2023 05:37, 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.
> 
> Kai-Heng Feng (1):
>    e1000e: Use PME poll to circumvent unreliable ACPI wake
> 
>   drivers/net/ethernet/intel/e1000e/netdev.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
> 
Acked-by: Thibault Ferrante <thibault.ferrante at canonical.com>

--
Thibault