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

On 02-Aug-19 4:03 PM, Rafael J. Wysocki wrote:
> Hi All,
>>> On top of the "Simplify the suspend-to-idle control flow" patch series
>>> posted previously:
>>> 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
> Please refer to the changelogs for details.

I have tested both pm-s2idle-testing and pm-s2idle-rework branches
including recently introduced commit "PM: suspend: Fix

Works fine for me on Ice Lake platform.

 Acked-by: Rajneesh Bhardwaj <>

Tested-by: Rajneesh Bhardwaj <>

> Thanks,
> Rafael

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