NACK: [SRU] [Unstable/OEM-5.10] [PATCH 0/1] Fix system sleep on TGL systems with Intel ME

[Kai-Heng Feng]

Forgot to add BugLink...

Kai-Heng

On Tue, Mar 16, 2021 at 9:11 PM Kai-Heng Feng
<kai.heng.feng at canonical.com> wrote:
>
> [Impact]
> On TGL systems, PCI devices stops working after system resume. One
> notable case is that USB controller stops working after s2idle.
>
> [Fix]
> Serialize e1000e PM ops and makes e1000e is the last to suspend the
> first to resume.
>
> [Test]
> Issue is not reproducible on 3000 cycles suspend tests.
>
> [Where problems could occur]
> Suspend and resume will be a bit slower. Other than that there's no real
> behavior change.
>
> Kai-Heng Feng (1):
>   UBUNTU: SAUCE: PCI: Serialize TGL e1000e PM ops
>
>  drivers/pci/quirks.c | 32 ++++++++++++++++++++++++++++++++
>  1 file changed, 32 insertions(+)
>
> --
> 2.30.2
>
>
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