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Tue, 19 Jul 2022 14:22:17 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BN8NAM11FT038.mail.protection.outlook.com (10.13.176.246) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5438.12 via Frontend Transport; Tue, 19 Jul 2022 14:22:17 +0000 Received: from AUS-LX-MLIMONCI.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Tue, 19 Jul 2022 09:22:17 -0500 From: Mario Limonciello To: , Mika Westerberg , Andy Shevchenko , Linus Walleij , Bartosz Golaszewski CC: Pavel Krc , , , Subject: [PATCH 2/2] gpiolib: acpi: Add a quirk for Asus UM325UAZ Date: Tue, 19 Jul 2022 09:21:42 -0500 Message-ID: <20220719142142.247-2-mario.limonciello@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220719142142.247-1-mario.limonciello@amd.com> References: <20220719142142.247-1-mario.limonciello@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 149414e0-72fc-46a4-560d-08da699215dd X-MS-TrafficTypeDiagnostic: BL1PR12MB5032:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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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 --- 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 */ };