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Thu, 8 Jan 2026 02:22:41 -0800 From: Wei-Cheng Chen To: Mathias Nyman , Greg Kroah-Hartman , Thierry Reding , Jonathan Hunter , Haotien Hsu CC: , , , Wayne Chang , "Wei-Cheng Chen" Subject: [PATCH] usb: host: xhci-tegra: Use platform_get_irq_optional() for wake IRQs Date: Thu, 8 Jan 2026 18:21:52 +0800 Message-ID: <20260108102152.241073-1-weichengc@nvidia.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00001504:EE_|LV2PR12MB5871:EE_ X-MS-Office365-Filtering-Correlation-Id: 55e0faf4-233f-441a-2e5a-08de4e9fe265 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|376014|36860700013; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?qDz6/8juarMqSpxV8FZASrDXEqV4lb1qqpZFuCt+Lv3QJE7hG0otgwKVdVOI?= =?us-ascii?Q?h7CA4qEeMgPMvMbaawGKVKz1UKxF6k/SPTNUxyy5cu28jM0cla3qFUliLQ5s?= =?us-ascii?Q?CjyIM74K2pJtLS+JgaiuCooWoSw5TTnvEox2oYxec6MfiDDAOCDEIkJH07/2?= =?us-ascii?Q?vCkbBdwrB8zU3TgXnIAuG4E6jxzQWhg2UrIvTbRuehmDFgQwgYFzdgMHBmiy?= =?us-ascii?Q?Tqlvu5+LrfoK1kQniGI6nQ5lDCE7Hxbr4x7mgjm8qHElMRuQZGgSCOpPtQp5?= =?us-ascii?Q?k/VFZ2cB43Qexi1QPzaDJ34B731zVMOahCzimmBvaazMRNgTRHw++Ogr9A2w?= =?us-ascii?Q?5zgUnY7efYgH19xRTWzugSbnrzApG6bYkfmJJlMEZjE+G5ZHXP9CB2GcBY/v?= =?us-ascii?Q?XZ3IUBHE1zsiwuQY7JkI7IOGj2m+efwlKQxwLyIMqk98DfMMOXk1aEueqiVL?= =?us-ascii?Q?pZVGGiVUgdUwAbG+JDQudifvsWAh1UI5QJkNncy2wkya6SKPyd+MHKo+apPK?= =?us-ascii?Q?zazgYKIpvkJDHlEW75iPRnDazLHBGyMtkR9+CXAwngq9cFwJXbnAdApIOkt1?= =?us-ascii?Q?aOAuaDZ3ZGIS1q9JMQl9bC0JlSF2Fl8ISB/tG10bduq3jUIhmAAHcUwlEcVd?= =?us-ascii?Q?a78GLF9DWEaBjfdDMnX68eb7Qh2fg88Ihi2f4XcXUlpo4A404x74BR1LTgzc?= =?us-ascii?Q?E+AqaURhd6Ow+l1hpQCjtChsCRpV6ZSKdc0y+zfvqef1JQ5Y5O9X75bU8BGR?= =?us-ascii?Q?7iB9D2TzOvmcw3XKbRBdx1ZKDSLLokENbqCTPO/HCDblcBp2kaHGrrnhMksV?= =?us-ascii?Q?tlE7VQxy8GUtEStHBZFmBZqOmdYWn18H7d5fXhaZhCQRhPxk6fFBpncKPIir?= =?us-ascii?Q?DEBsLqYxroiSQeNr7TxNGnpKChiojghcmEvyaF5s1xHEZx6pHoSQcrA5CEKs?= =?us-ascii?Q?g+ilHzKUZstXBoZOR6NtIIy2JxynkC1vsjJUpysVXS2f8eZG9YllQnqIaIgV?= =?us-ascii?Q?qhSDlUfltT1zZwP9oP2zH6csCiC2xlw/JF+S4ajV4TqKxQ7yxTLlWIttmnUG?= =?us-ascii?Q?W+67I6OeOk9PxB04nrdiwheL/eOaQiTQPat6guk3XMLWjHuGDsGOPxMbZ1rl?= =?us-ascii?Q?TeniGrSe6bYWovipo60S79QIkkoJr4FACMDDDfOhz40elEHP+8JG9/FD/eBq?= =?us-ascii?Q?tzPYwLJtOThkZl56xdRH/vGjP31gJ61V/xUsKKjB7ZqfafMQqEXM7qtSS3wW?= =?us-ascii?Q?NrY5247FlDPSj6Ym6yIJVgJ0ggP2eR8+6wPNoZ5AumhMLrUubri11EhZ7zao?= =?us-ascii?Q?cPSUGcMEuxzyZPEGw/HbI/qTBfrpLjUU9xfamdyvtVve2IUgwclo9VzhIFcO?= =?us-ascii?Q?gO+H5hFQ2Mmui0kCdWtvcgFWSgJkUxi6iljGjPfoZqsWGVVeUymsREsB4Guy?= =?us-ascii?Q?YnuMgznfLYZSsZDR5fwuMnIb8diovpqMbvUQDins70I8GVmlzEprzgBkF+rS?= =?us-ascii?Q?JuidmE740wthCpIYX5GF3SKJYMqIKvPFMImItIcshjvniXDTxsD/Ls8OzyH+?= =?us-ascii?Q?IEjK7sjPtgL90XQWStw=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(82310400026)(376014)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Jan 2026 10:22:53.6839 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 55e0faf4-233f-441a-2e5a-08de4e9fe265 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF00001504.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR12MB5871 Content-Type: text/plain; charset="utf-8" From: Wayne Chang When some wake IRQs are disabled in the device tree, the corresponding interrupt entries are removed from DT. In such cases, the driver currently calls platform_get_irq(), which returns -ENXIO and logs an error like: tegra-xusb 3610000.usb: error -ENXIO: IRQ index 2 not found However, not all wake IRQs are mandatory. The hardware can operate normally even if some wake sources are not defined in DT. To avoid this false alarm and allow missing wake IRQs gracefully, use platform_get_irq_optional() instead of platform_get_irq(). Fixes: 5df186e2ef11 ("usb: xhci: tegra: Support USB wakeup function for Teg= ra234") Signed-off-by: Wayne Chang Signed-off-by: Wei-Cheng Chen Reviewed-by: Jon Hunter Tested-by: Jon Hunter --- drivers/usb/host/xhci-tegra.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c index 31ccced5125..8b492871d21 100644 --- a/drivers/usb/host/xhci-tegra.c +++ b/drivers/usb/host/xhci-tegra.c @@ -1563,7 +1563,7 @@ static int tegra_xusb_setup_wakeup(struct platform_de= vice *pdev, struct tegra_xu for (i =3D 0; i < tegra->soc->max_num_wakes; i++) { struct irq_data *data; =20 - tegra->wake_irqs[i] =3D platform_get_irq(pdev, i + WAKE_IRQ_START_INDEX); + tegra->wake_irqs[i] =3D platform_get_irq_optional(pdev, i + WAKE_IRQ_STA= RT_INDEX); if (tegra->wake_irqs[i] < 0) break; =20 --=20 2.43.0