linux-kernel - Re: [PATCH v1 1/3] gpiolib: acpi: Add ACPI_GPIO_QUIRK_ABSOLUTE

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Message-ID: <20210302151430.GY2542@lahna.fi.intel.com>
Date:   Tue, 2 Mar 2021 17:14:30 +0200
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>
Subject: Re: [PATCH v1 1/3] gpiolib: acpi: Add
 ACPI_GPIO_QUIRK_ABSOLUTE_NUMBER quirk

On Tue, Mar 02, 2021 at 05:09:24PM +0200, Andy Shevchenko wrote:
> On Tue, Mar 02, 2021 at 03:48:43PM +0100, Linus Walleij wrote:
> > On Thu, Feb 25, 2021 at 5:33 PM Andy Shevchenko
> > <andriy.shevchenko@...ux.intel.com> wrote:
> > 
> > > On some systems the ACPI tables has wrong pin number and instead of
> > > having a relative one it provides an absolute one in the global GPIO
> > > number space.
> > >
> > > Add ACPI_GPIO_QUIRK_ABSOLUTE_NUMBER quirk to cope with such cases.
> > >
> > > Fixes: ba8c90c61847 ("gpio: pca953x: Override IRQ for one of the expanders on Galileo Gen 2")
> > > Depends-on: 0ea683931adb ("gpio: dwapb: Convert driver to using the GPIO-lib-based IRQ-chip")
> > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> > 
> > OH THE HORROR!
> > However, we discussed it before. It is as it is.
> 
> Unfortunately :-( (And recently it seems MS does something really "creative" on
> ARM ACPI platform)
> 
> > It's the right place to fix the problem, so:
> > Acked-by: Linus Walleij <linus.walleij@...aro.org>
> 
> I am waiting for Mika, but if he keeps silent let's say to the end of the day,
> I will submit it as is to the v5.12-rcX fixes.

Sorry for the delay - I somehow missed this. Feel free to add my ACK too.