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

[Tim Gardner]

Acked-by: Tim Gardner <tim.gardner at canonical.com>

Localized to specific platforms. Builds OK.

On 3/16/21 7:13 AM, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1919321
> 
> [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(+)
> 

-- 
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Tim Gardner
Canonical, Inc