linux-kernel - Re: regression 5.6.4->5.6.5 at drivers/acpi/ec.c

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Message-ID: <CAJZ5v0icdVL6_yGpfsorqszdi9GcLxzYdvDqTJyG4ENzkOG2pQ@mail.gmail.com>
Date:   Fri, 17 Apr 2020 20:52:10 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Toralf Förster <toralf.foerster@....de>
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 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?