Re: regression 5.6.4->5.6.5 at drivers/acpi/ec.c
From: Toralf FÃrster
Date: Fri Apr 17 2020 - 15:41:41 EST
On 4/17/20 8:52 PM, Rafael J. Wysocki wrote:
> On Fri, Apr 17, 2020 at 6:36 PM Toralf FÃrster <toralf.foerster@xxxxxx> 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