From: Hans de Goede <hdegoede@redhat.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: "Rafael J . Wysocki" <rjw@rjwysocki.net>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Mark Gross <markgross@kernel.org>,
Andy Shevchenko <andy@infradead.org>,
Wolfram Sang <wsa@the-dreams.de>,
Sebastian Reichel <sre@kernel.org>,
MyungJoo Ham <myungjoo.ham@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
Ard Biesheuvel <ardb@kernel.org>, Len Brown <lenb@kernel.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
Yauhen Kharuzhy <jekhor@gmail.com>,
Tsuchiya Yuto <kitakar@gmail.com>,
Platform Driver <platform-driver-x86@vger.kernel.org>,
linux-i2c <linux-i2c@vger.kernel.org>,
Linux PM <linux-pm@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-efi <linux-efi@vger.kernel.org>
Subject: Re: [RFC 3/5] gpiolib: acpi: Add a new "ignore" module option
Date: Mon, 1 Nov 2021 20:16:37 +0100 [thread overview]
Message-ID: <b3f0d3fe-8038-626e-a68c-b818e6de69da@redhat.com> (raw)
In-Reply-To: <CAHp75Vf-EOfF_XfqfWFQZNLp3B03o79xHf4bUrf9x9D9pTrvgw@mail.gmail.com>
Hi,
On 10/31/21 20:59, Andy Shevchenko wrote:
> On Sun, Oct 31, 2021 at 6:25 PM Hans de Goede <hdegoede@redhat.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
The idea indeed is similar, but there is only one set of GPEs and
the GPIO pin-namespace is per GPIO controller, hence the
controller-name@pin format used, which is also used for the
already existing ignore_wake gpiolib-acpi.c module option and
the patches re-use the existing parsing code.
But since there seems to be agreement that using a board-file to
work around the DSDT deficiencies is the best option this patch
will no longer be needed. It is probably still good to keep it
archived somewhere in case the functionality turns out to be
useful on some other device(s).
Regards,
Hans
next prev parent reply other threads:[~2021-11-01 19:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-31 16:24 [RFC 0/5] ACPI/power-suppy add fuel-gauge support on cht-wc PMIC without USB-PD support devs Hans de Goede
2021-10-31 16:24 ` [RFC 1/5] ACPI / x86: Add 3 devices on the Xiaomi Mi Pad 2 to the always_present list Hans de Goede
2021-10-31 16:24 ` [RFC 2/5] gpiolib: acpi: Make acpi_gpio_in_ignore_list() more generic Hans de Goede
2021-10-31 16:24 ` [RFC 3/5] gpiolib: acpi: Add a new "ignore" module option Hans de Goede
2021-10-31 19:59 ` Andy Shevchenko
2021-10-31 20:01 ` Andy Shevchenko
2021-11-01 19:16 ` Hans de Goede [this message]
2021-10-31 16:24 ` [RFC 4/5] power: supply: bq27xxx: Add dev helper variable to bq27xxx_battery_i2c_probe() Hans de Goede
2021-10-31 16:24 ` [RFC 5/5] power: supply: bq27xxx: Add support for ACPI enumeration Hans de Goede
2021-10-31 19:49 ` [RFC 0/5] ACPI/power-suppy add fuel-gauge support on cht-wc PMIC without USB-PD support devs Andy Shevchenko
2021-11-01 19:13 ` Hans de Goede
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