APPLIED/Cmnt (hirsute/5.11): [RESEND] [SRU] [Unstable/OEM-5.10] [PATCH 0/1] Fix system sleep on TGL systems with Intel ME

[Kai-Heng Feng]

On Wed, Mar 17, 2021 at 12:00 AM Andrea Righi
<andrea.righi at canonical.com> wrote:
>
> Applied to hirsute/5.11.
>
> Question: is this addressed only in Bugzilla or there's also a LKML
> thread about this?

There wasn't much to discuss, because it's not really a bug in PCI subsystem:
https://lore.kernel.org/linux-pci/20210303172223.GA634698@bjorn-Precision-5520/

Kai-Heng

>
> Thanks,
> -Andrea
>
> On Tue, Mar 16, 2021 at 09:13:27PM +0800, 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(+)
> >
> > --
> > 2.30.2
> >
> >
> > --
> > kernel-team mailing list
> > kernel-team at lists.ubuntu.com
> > https://lists.ubuntu.com/mailman/listinfo/kernel-team