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Mon, 28 Jul 2025 07:46:30 -0700 From: David Thompson To: , , , CC: , , , David Thompson , "Shravan Kumar Ramani" Subject: [PATCH v4] gpio-mlxbf2: use platform_get_irq_optional() Date: Mon, 28 Jul 2025 10:46:19 -0400 Message-ID: <20250728144619.29894-1-davthompson@nvidia.com> X-Mailer: git-send-email 2.30.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000F0E1:EE_|CY8PR12MB8411:EE_ X-MS-Office365-Filtering-Correlation-Id: 7d9ae838-3355-4538-5918-08ddcde5961e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700013|376014|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?0qT8mMJdWJRddzpRwH0610Uo7qApM9a6yAJUAqh9Ue/P68RWT0AurKIqHt4Y?= =?us-ascii?Q?+tkD8zd9IslFBNAsd8CFKOrw9kxMX4inkKhtBL52eeH3g+20OSozFlW4JorC?= =?us-ascii?Q?kfQLeWW52036bizYRHoyBE3W1CDRSXl6gbcw5CZ8egBbT2ei/Qjn245lURNO?= =?us-ascii?Q?W/wpXqn64RVz/9bNeNgKVxd8G3/12MpSW4z9LqAqh7UKZlZKN/z2nKGVFZdP?= =?us-ascii?Q?ca5licSkoUjflcuqc0PLY/pK2qwMD0WL+ysSFHILN6ztU0qHmTVVphSIOWxu?= =?us-ascii?Q?wMAu/AZHML+M6qrHBJDrud6OsF1u+WuwLBH/li+iGeCLmqS+/QS1hvDBseIl?= =?us-ascii?Q?QtdPyVSMWDaC9fKaEWrMxRuySUozr+JkgrKeZaiCK2J/lqXA4P44iBIuluUW?= =?us-ascii?Q?Jw/e7331vCYtC1P2dni66x1AhYIPlmKS+osaTxwJBv/LJ4ifmBVOV0eRPn6P?= =?us-ascii?Q?+fDtEgxU4E8Gf0I5itMFzPyD07TaThxjVn2tGv9wCWDTlK/cbg4xuJFD1WVW?= =?us-ascii?Q?hHhPzUSBGxS3l8UCNf9/laoAR2BSsTofUIF0LkRangpIasIT91IqxkMun029?= =?us-ascii?Q?O+oVBPEizVXijk7RzJMkrfsW+UcqwsfxMZ1O+Hg7vfYRCCx/1xxBDPeybHE+?= =?us-ascii?Q?KLXul9bO28vggAVA2hwvlJ2EBdX07OpW4hsr1Lr7EGiXvR7k6SFqtMYUNcb5?= =?us-ascii?Q?REtjXQ+NCAjOzOECNFvlgfnSjvV/sWX149WPTirstsHtxuPw4RR+q4ZVGRnm?= =?us-ascii?Q?ynescFRKegbMPZw/QF+fijF/7xPmSJ70kfldbdanQmiO7MCaO45USqVlbPOL?= =?us-ascii?Q?6zFoekCmTsBU5Hm4E+0/fnCaPWccZECqZ0HtXNOatUhTaPioTJo7taqKG0Z8?= =?us-ascii?Q?tekfWWpfO9iUTIl1oFzh2p/jEMTGhgycVfAeiIrIY5PVIKWKqB99R8xmDs7S?= =?us-ascii?Q?hGI1lPQwop/M6HZF5P7sCKrzIqBcxYrohvSWP0ZAllwVjj4CXPvySh1ZhSTd?= =?us-ascii?Q?IInY+y6QsUikCuYQ/7JWAMdDFZTUC78mu/IZK57l+huPxCRyUfY73ra+ob2W?= =?us-ascii?Q?5gtYJCHKWjs7jgDUaWJUNKCEmKvzGfFV8nIiyYUMwE1JAsh6qFKQ+wq5izLn?= =?us-ascii?Q?w7wTi38vGssqZMOYXS89M3xGp8fNkscZPrbSlQb6Xa5Rimj7uTyCUfNK7dxv?= =?us-ascii?Q?y1robIEsKrDIPW5EiZTsKK6Fr0i6G8tUVxz7vAD8tI63mEZ1NbaCt+Bn7KO9?= =?us-ascii?Q?Fyf12CtreAG7u6p4jWgyNDoJzQzqtqUsVWajPVYyGaUh57DVynwKBOzSaYaY?= =?us-ascii?Q?tCwWdDFsMEFrLuud/SGnK4Yl1VpUfiu9B/vFMLS/72eLpKjS9lxu6E4FhHtv?= =?us-ascii?Q?VwPU0JihMnfsGaJ4A7g4HQNDCiwvDfek9dCaLpHkig5sD67auumhTQJx/OoU?= =?us-ascii?Q?3O0ihgOocb2oIVaxQFMo8eYTu9j42qoEhP0ffZliGWNaMXXsFNogGY/72TgH?= =?us-ascii?Q?ZKUjblbr+xALf+N563l7qVEwgBSKrcWpQ07j?= X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(36860700013)(376014)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jul 2025 14:46:50.4250 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7d9ae838-3355-4538-5918-08ddcde5961e X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000F0E1.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB8411 Content-Type: text/plain; charset="utf-8" The gpio-mlxbf2 driver interfaces with four GPIO controllers, device instances 0-3. There are two IRQ resources shared between the four controllers, and they are found in the ACPI table for instances 0 and 3. The driver should not use platform_get_irq(), otherwise this error is logged when probing instances 1 and 2: mlxbf2_gpio MLNXBF22:01: error -ENXIO: IRQ index 0 not found Fixes: 2b725265cb08 ("gpio: mlxbf2: Introduce IRQ support") Cc: stable@vger.kernel.org Signed-off-by: David Thompson Reviewed-by: Shravan Kumar Ramani Reviewed-by: Mika Westerberg --- v4: updated logic to simply use platform_get_irq_optional() v3: added version history v2: added tag "Cc: stable@vger.kernel.org" drivers/gpio/gpio-mlxbf2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-mlxbf2.c b/drivers/gpio/gpio-mlxbf2.c index 6f3dda6b635f..390f2e74a9d8 100644 --- a/drivers/gpio/gpio-mlxbf2.c +++ b/drivers/gpio/gpio-mlxbf2.c @@ -397,7 +397,7 @@ mlxbf2_gpio_probe(struct platform_device *pdev) gc->ngpio =3D npins; gc->owner =3D THIS_MODULE; =20 - irq =3D platform_get_irq(pdev, 0); + irq =3D platform_get_irq_optional(pdev, 0); if (irq >=3D 0) { girq =3D &gs->gc.irq; gpio_irq_chip_set_chip(girq, &mlxbf2_gpio_irq_chip); --=20 2.43.2