Re: [PATCH v3 0/8] PM / ACPI: sleep: Additional changes related to suspend-to-idle

[Kai-Heng Feng]

at 18:33, Rafael J. Wysocki <rjw@xxxxxxxxxxxxx> wrote:

> Hi All,
>
> > > On top of the "Simplify the suspend-to-idle control flow" patch series
> > > posted previously:
> > >
> > > https://lore.kernel.org/lkml/71085220.z6FKkvYQPX@kreacher/
> > >
> > > sanitize the suspend-to-idle flow even further.
> > >
> > > First off, decouple EC wakeup from the LPS0 _DSM processing (patch 1).
> > >
> > > Next, reorder the code to invoke LPS0 _DSM Functions 5 and 6 in the
> > > specification-compliant order with respect to suspending and resuming
> > > devices (patch 2).
> > >
> > > Finally, rearrange lps0_device_attach() (patch 3) and add a command line
> > > switch to prevent the LPS0 _DSM from being used.
> >
> > The v2 is because I found a (minor) bug in patch 1, decided to use a  
> > module
> > parameter instead of a kernel command line option in patch 4.  Also, there
> > are 4 new patches:
> >
> > Patch 5: Switch the EC over to polling during "noirq" suspend and back
> > during "noirq" resume.
> >
> > Patch 6: Eliminate acpi_sleep_no_ec_events().
> >
> > Patch 7: Consolidate some EC code depending on PM_SLEEP.
> >
> > Patch 8: Add EC GPE dispatching debug message.
>
> The v3 is just a rearranged v2 so as to move the post sensitive patch  
> (previous patch 2)
> to the end of the series.   [After applying the full series the code is  
> the same as before.]
>
> For easier testing, the series (along with some previous patches depended  
> on by it)
> is available in the pm-s2idle-testing branch of the linux-pm.git tree at  
> kernel.org:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/log/?h=pm-s2idle-testing

Iâve just tested the full series on Latitude 5300, and the additional  
spurious wake up is gone.

Tested-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>

> Please refer to the changelogs for details.
>
> Thanks,
> Rafael