ACK: [SRU] [L] [PATCH 0/1] Fix non-working I219 after system sleep

[Tim Gardner]

On 9/13/23 7:42 PM, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/2035313
> 
> [Impact]
> Intel I219 ethernet stops working after system sleep.
> 
> [Fix]
> Force resume Intel ME to fix I219. It's not surprising because ME/AMT is
> controlled through Intel I219.
> 
> [Test]
> Use `ping 1.1.1.1` to test if I219 is still alive. With the patch
> applied, the ethernet can survive several system sleeps.
> 
> [Where problems could occur]
> The commit essentially disables direct-complete optimization, so it
> will make system suspend/resume slightly slower.
> 
> Alexander Usyskin (1):
>    mei: mei-me: resume device in prepare
> 
>   drivers/misc/mei/pci-me.c | 20 +++++++++++++++++++-
>   1 file changed, 19 insertions(+), 1 deletion(-)
> 
Acked-by: Tim Gardner <tim.gardner at canonical.com>
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Tim Gardner
Canonical, Inc