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Message-ID: <d66ad8f1-d7c5-dd8a-0eb4-9e560dc9ada1@gmx.de>
Date:   Fri, 17 Apr 2020 21:41:30 +0200
From:   Toralf Förster <toralf.foerster@....de>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Randy Dunlap <rdunlap@...radead.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        ACPI Devel Mailing List <linux-acpi@...r.kernel.org>
Subject: Re: regression 5.6.4->5.6.5 at drivers/acpi/ec.c

On 4/17/20 8:52 PM, Rafael J. Wysocki wrote:
> On Fri, Apr 17, 2020 at 6:36 PM Toralf Förster <toralf.foerster@....de> wrote:
>>
>> On 4/17/20 5:53 PM, Rafael J. Wysocki wrote:
>>> Does the patch below (untested) make any difference?
>>>
>>> ---
>>>  drivers/acpi/ec.c |    5 ++++-
>>>  1 file changed, 4 insertions(+), 1 deletion(-)
>>>
>>> Index: linux-pm/drivers/acpi/ec.c
>>> ===================================================================
>>> --- linux-pm.orig/drivers/acpi/ec.c
>>> +++ linux-pm/drivers/acpi/ec.c
>>> @@ -2067,7 +2067,10 @@ static struct acpi_driver acpi_ec_driver
>>>               .add = acpi_ec_add,
>>>               .remove = acpi_ec_remove,
>>>               },
>>> -     .drv.pm = &acpi_ec_pm,
>>> +     .drv = {
>>> +             .probe_type = PROBE_FORCE_SYNCHRONOUS,
>>> +             .pm = &acpi_ec_pm,
>>> +     },
>>>  };
>>>
>>>  static void acpi_ec_destroy_workqueues(void)
>> I'd say no, but for completeness:
>
> OK, it looks like mainline commit
>
> 65a691f5f8f0 ("ACPI: EC: Do not clear boot_ec_is_ecdt in acpi_ec_add()")
>
> was backported into 5.6.5 by mistake.
>
> Can you please revert that patch and retest?
>
Yes, reverting that commit solved the issue.

--
Toralf

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