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[2001:1c00:c1e:bf00:d69d:5353:dba5:ee81]) by smtp.gmail.com with ESMTPSA id u17-20020a1709061db100b0072aeda86ac3sm7689731ejh.149.2022.07.27.06.15.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 27 Jul 2022 06:15:28 -0700 (PDT) Message-ID: <9c7c86da-9114-8d68-38f0-ec8284b79af0@redhat.com> Date: Wed, 27 Jul 2022 15:15:27 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH 2/2] gpiolib: acpi: Add a quirk for Asus UM325UAZ Content-Language: en-US To: Mario Limonciello , Mika Westerberg , Andy Shevchenko , Linus Walleij , Bartosz Golaszewski Cc: Pavel Krc , linux-gpio@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org References: <20220719142142.247-1-mario.limonciello@amd.com> <20220719142142.247-2-mario.limonciello@amd.com> From: Hans de Goede In-Reply-To: <20220719142142.247-2-mario.limonciello@amd.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 7/19/22 16:21, Mario Limonciello wrote: > Asus UM325UAZ has GPIO 18 programmed as both an interrupt and a wake > source, but confirmed with internal team on this design this pin is > floating and shouldn't have been programmed. This causes lots of > spurious IRQs on the system and horrendous battery life. > > Add a quirk to ignore attempts to program this pin on this system. > > Reported-and-tested-by: Pavel Krc > Link: https://bugzilla.kernel.org/show_bug.cgi?id=216208 > Signed-off-by: Mario Limonciello Thanks, patch looks good to me: Reviewed-by: Hans de Goede Regards, Hans > --- > drivers/gpio/gpiolib-acpi.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c > index 375942d92d6f..2149713ea8f1 100644 > --- a/drivers/gpio/gpiolib-acpi.c > +++ b/drivers/gpio/gpiolib-acpi.c > @@ -1586,6 +1586,20 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] __initconst = { > .ignore_wake = "INT33FF:01@0", > }, > }, > + { > + /* > + * Interrupt storm caused from edge triggered floating pin > + * Found in BIOS UX325UAZ.300 > + * https://bugzilla.kernel.org/show_bug.cgi?id=216208 > + */ > + .matches = { > + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), > + DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX325UAZ_UM325UAZ"), > + }, > + .driver_data = &(struct acpi_gpiolib_dmi_quirk) { > + .ignore_interrupt = "AMDI0030:00@18", > + }, > + }, > {} /* Terminating entry */ > }; >