linux-kernel - Re: [RFC 3/5] gpiolib: acpi: Add a new "ignore" module option

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Message-ID: <CAHp75Vf-EOfF_XfqfWFQZNLp3B03o79xHf4bUrf9x9D9pTrvgw@mail.gmail.com>
Date:   Sun, 31 Oct 2021 21:59:08 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Mark Gross <markgross@...nel.org>,
        Andy Shevchenko <andy@...radead.org>,
        Wolfram Sang <wsa@...-dreams.de>,
        Sebastian Reichel <sre@...nel.org>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Ard Biesheuvel <ardb@...nel.org>, Len Brown <lenb@...nel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Yauhen Kharuzhy <jekhor@...il.com>,
        Tsuchiya Yuto <kitakar@...il.com>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        linux-i2c <linux-i2c@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-efi <linux-efi@...r.kernel.org>
Subject: Re: [RFC 3/5] gpiolib: acpi: Add a new "ignore" module option

On Sun, Oct 31, 2021 at 6:25 PM Hans de Goede <hdegoede@...hat.com> wrote:
>
> Add a new "ignore" module option to completely ignore controller@pin combos
> from _AEI lists.
>
> And add a DMI quirk to ignore the interrupt of the BQ27520 fuel-gauge IC
> on the Xiaomi Mi Pad 2. On this device we use native charger + fuel-gauge
> drivers because of issues with the ACPI battery implementation. The _AEI
> listing of the fuel-gauge IRQ is intended for use with the unused ACPI
> battery implementation and is blocking the bq27xxx fuel-gauge driver
> from binding.

I'm wondering if the idea behind this is something relative to
https://elixir.bootlin.com/linux/latest/source/drivers/acpi/sysfs.c

-- 
With Best Regards,
Andy Shevchenko