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Wed, 5 Jul 2023 08:30:27 -0500 From: Mario Limonciello To: Natikar Basavaraj , S-k Shyam-sundar , CC: , , , , , "Hans de Goede" , open list , "open list" , Mario Limonciello , Subject: [PATCH v2 1/4] pinctrl: amd: Only use special debounce behavior for GPIO 0 Date: Wed, 5 Jul 2023 08:30:02 -0500 Message-ID: <20230705133005.577-2-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230705133005.577-1-mario.limonciello@amd.com> References: <20230705133005.577-1-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-TrafficTypeDiagnostic: DM6NAM11FT020:EE_|CY5PR12MB6405:EE_ X-MS-Office365-Filtering-Correlation-Id: bed3e68d-7a0d-4623-d9c9-08db7d5bffe6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(376002)(39860400002)(136003)(346002)(396003)(451199021)(40470700004)(36840700001)(46966006)(8936002)(8676002)(2906002)(2616005)(70586007)(70206006)(40480700001)(16526019)(5660300002)(7416002)(44832011)(1076003)(26005)(186003)(336012)(41300700001)(40460700003)(82740400003)(356005)(81166007)(7696005)(6666004)(426003)(4326008)(36756003)(316002)(83380400001)(47076005)(36860700001)(54906003)(110136005)(478600001)(82310400005)(86362001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jul 2023 13:30:29.1091 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: bed3e68d-7a0d-4623-d9c9-08db7d5bffe6 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT020.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR12MB6405 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1770587750915428157?= X-GMAIL-MSGID: =?utf-8?q?1770587750915428157?= It's uncommon to use debounce on any other pin, but technically we should only set debounce to 0 when working off GPIO0. Cc: stable@vger.kernel.org Fixes: 968ab9261627 ("pinctrl: amd: Detect internal GPIO0 debounce handling") Signed-off-by: Mario Limonciello --- drivers/pinctrl/pinctrl-amd.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 7a4dd0c861abc..02d9f9f245707 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -127,9 +127,11 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, unsigned offset, raw_spin_lock_irqsave(&gpio_dev->lock, flags); /* Use special handling for Pin0 debounce */ - pin_reg = readl(gpio_dev->base + WAKE_INT_MASTER_REG); - if (pin_reg & INTERNAL_GPIO0_DEBOUNCE) - debounce = 0; + if (offset == 0) { + pin_reg = readl(gpio_dev->base + WAKE_INT_MASTER_REG); + if (pin_reg & INTERNAL_GPIO0_DEBOUNCE) + debounce = 0; + } pin_reg = readl(gpio_dev->base + offset * 4);