linux-kernel - Re: [PATCH] pinctrl: cherryview: restore Strago DMI workaround for all versions

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Date:   Wed, 25 Sep 2019 17:39:25 -0700
From:   Alex Levin <levinale@...omium.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pinctrl: cherryview: restore Strago DMI workaround for
 all versions

On Tue, Sep 24, 2019 at 1:21 AM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> On Mon, Sep 23, 2019 at 07:49:58PM -0700, Dmitry Torokhov wrote:
> > This is essentially a revert of:
> >
> > e3f72b749da2 pinctrl: cherryview: fix Strago DMI workaround
> > 86c5dd6860a6 pinctrl: cherryview: limit Strago DMI workarounds to version 1.0
> >
> > because even with 1.1 versions of BIOS there are some pins that are
> > configured as interrupts but not claimed by any driver, and they
> > sometimes fire up and result in interrupt storms that cause touchpad
> > stop functioning and other issues.
> >
> > Given that we are unlikely to qualify another firmware version for a
> > while it is better to keep the workaround active on all Strago boards.
>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Tested-by: Alex Levin <levinale@...omium.org>

>
> >
> > Reported-by: Alex Levin <levinale@...omium.org>
> > Fixes: 86c5dd6860a6 ("pinctrl: cherryview: limit Strago DMI workarounds to version 1.0")
> > Cc: stable@...r.kernel.org
> > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> > ---
> >  drivers/pinctrl/intel/pinctrl-cherryview.c | 4 ----
> >  1 file changed, 4 deletions(-)
> >
> > diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c
> > index 03ec7a5d9d0b..bf049d1bbb87 100644
> > --- a/drivers/pinctrl/intel/pinctrl-cherryview.c
> > +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
> > @@ -1513,7 +1513,6 @@ static const struct dmi_system_id chv_no_valid_mask[] = {
> >               .matches = {
> >                       DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"),
> >                       DMI_MATCH(DMI_PRODUCT_FAMILY, "Intel_Strago"),
> > -                     DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
> >               },
> >       },
> >       {
> > @@ -1521,7 +1520,6 @@ static const struct dmi_system_id chv_no_valid_mask[] = {
> >               .matches = {
> >                       DMI_MATCH(DMI_SYS_VENDOR, "HP"),
> >                       DMI_MATCH(DMI_PRODUCT_NAME, "Setzer"),
> > -                     DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
> >               },
> >       },
> >       {
> > @@ -1529,7 +1527,6 @@ static const struct dmi_system_id chv_no_valid_mask[] = {
> >               .matches = {
> >                       DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"),
> >                       DMI_MATCH(DMI_PRODUCT_NAME, "Cyan"),
> > -                     DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
> >               },
> >       },
> >       {
> > @@ -1537,7 +1534,6 @@ static const struct dmi_system_id chv_no_valid_mask[] = {
> >               .matches = {
> >                       DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"),
> >                       DMI_MATCH(DMI_PRODUCT_NAME, "Celes"),
> > -                     DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
> >               },
> >       },
> >       {}
> > --
> > 2.23.0.351.gc4317032e6-goog
> >
> >
> > --
> > Dmitry
>
> --
> With Best Regards,
> Andy Shevchenko
>
>