lkml.org 
[lkml]   [2019]   [Aug]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v3 0/8] PM / ACPI: sleep: Additional changes related to suspend-to-idle
From
Date
at 18:33, Rafael J. Wysocki <rjw@rjwysocki.net> 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

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

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

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


\
 
 \ /
  Last update: 2019-08-05 18:27    [W:0.177 / U:35.012 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site