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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Aug 2025 17:50:57.8724 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b58083fe-a017-423b-a35b-08ddd8ffa0ae X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN1PEPF00005FFC.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB6293 Content-Type: text/plain; charset="utf-8" The gpio-mlxbf3 driver interfaces with two GPIO controllers, device instance 0 and 1. There is a single IRQ resource shared between the two controllers, and it is found in the ACPI table for device instance 0. The driver should not use platform_get_irq(), otherwise this error is logged when probing instance 1: mlxbf3_gpio MLNXBF33:01: error -ENXIO: IRQ index 0 not found Fixes: cd33f216d241 ("gpio: mlxbf3: Add gpio driver support") Signed-off-by: David Thompson --- drivers/gpio/gpio-mlxbf3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-mlxbf3.c b/drivers/gpio/gpio-mlxbf3.c index 10ea71273c89..ed29b07d16c1 100644 --- a/drivers/gpio/gpio-mlxbf3.c +++ b/drivers/gpio/gpio-mlxbf3.c @@ -227,7 +227,7 @@ static int mlxbf3_gpio_probe(struct platform_device *pd= ev) gc->owner =3D THIS_MODULE; gc->add_pin_ranges =3D mlxbf3_gpio_add_pin_ranges; =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, &gpio_mlxbf3_irqchip); --=20 2.43.2