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Fri, 11 Oct 2024 02:48:34 -0700 From: Henry Lin To: Mathias Nyman , Greg Kroah-Hartman , Thierry Reding , Jonathan Hunter , Petlozu Pravareshwar , Jim Lin , , , CC: , Subject: [v2] xhci: tegra: fix checked USB2 port number Date: Fri, 11 Oct 2024 17:48:03 +0800 Message-ID: <20241011094804.45528-1-henryl@nvidia.com> X-Mailer: git-send-email 2.25.1 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: SJ1PEPF000023CD:EE_|SJ2PR12MB9005:EE_ X-MS-Office365-Filtering-Correlation-Id: 9e7825df-c667-4701-3678-08dce9d9e20a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|36860700013|82310400026|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?jF5EUjkkiCNw+OBTHIAh8jWZRbaCaKvutI/Xe6/eh9Db+Koxovt1z9M+a3pU?= =?us-ascii?Q?CVRtXHMqUxCCwYoSfWFWWNgLE9+kWMxmyk7Gi0BDDDiJEVpaOApNSKgWsK9C?= =?us-ascii?Q?ZGvJ3qDueH28EZftnohtI3zF4WrsyvJD75jnSGnXBvxNOpr+VLnPIH2kF7XV?= =?us-ascii?Q?JXfoRNL1xK1nYL5xL1/O9cF5Zlfj5K4p7No7bh0WsDuQCjietduZw+0De69h?= =?us-ascii?Q?ylym0okHEOsH948brywb560ixj1HzGwk+O94GxusBnnVuw8p4MOJsgjbbjo4?= =?us-ascii?Q?X+p7/TY4C/5HV/kWi+bfz5EDy9zuMG2w/X57HXvFQHDYXwNk+pMzHN61oQV2?= =?us-ascii?Q?mLhwYhgQ7PQoRIsEthKZny0Y9Gl/Oi6HmDWhj5AQQ6A5PUrEzHMsd7fyFEbK?= =?us-ascii?Q?swbw1U/52S51b4mNALg+VeBQfhDURRgEj7mqX2LFOgayBfYJ0Z7NEiK6qBoC?= =?us-ascii?Q?ST4GhvUYHVf5Iz3iU2jfuyqhHaWeQBgV0/m/Ej2lRvit3XfZFHnXpyc+QzXz?= =?us-ascii?Q?0jApIwrO1FXdoC33/qhCZCcRlW2FxPeyBi6uol1bwyGXFxpWvfSwf4klA5PC?= =?us-ascii?Q?/K7sFBfDqXOBbwAw6f9BUMkF4HfaMAfQ5Isgx9IdhYXUk9rC6EtNo6ujPsCh?= =?us-ascii?Q?sIMFFI20i1m/fhDG8WhVBPxQYkg0hxNxCJzkIp79JVQRVmtaVhiwaKEf4P9R?= =?us-ascii?Q?hjZwuhdVd01XZpJWMv+izmzYQeY78YlWhT59YfFUrL9xLMoFERpm2I0P1eHY?= =?us-ascii?Q?0urMyY+JLCaEAJMBOteOS++1mwmBFfdyY0aZdNuvkk/2/ix8nvRH19fTt3Sf?= =?us-ascii?Q?m/C1GnI82ckDUohJ8/LnPYGX3NOZGZzg3ZVTSoZVQNLRggxYRq3NaCA1+6+e?= =?us-ascii?Q?nYMD8k/61LfXV7tYnF1a/0cLpSKnm5E8E9yhfCDj+rGaiLCIJg8/3rqtl31a?= =?us-ascii?Q?EXyk5MZChqp0kmH/pKTfrwH0kWuZgjpHs74trvpy/wFTAQ8bm3DBiaX1Ixa0?= =?us-ascii?Q?Xyx/HwbDFFXnU/QYB/rzUYZ4IilLCELYG/gtyaaAG/7sWyk7ycI6jr++eOnH?= =?us-ascii?Q?N9URgo81bhbPLwTHoqaMvG3ljzqOFCgqP403XOXfkUaY67YeuwLEbtOrQfE4?= =?us-ascii?Q?dZttahr/oI623DH6gKknyf/q1kdfsQJnVphOjBq57dufnN1x0j80rnZqLe6w?= =?us-ascii?Q?1nK+zg4Xe9ws4uzsQYW1Zg6ouzoFe7opxP9H9cT55GlfkjV86S5UPoDg8oL1?= =?us-ascii?Q?7saW2CKVvfkUsbjvBCrOQ6/yUS+XCiPWjopzPAakp+Ri4Dh0brkrDF2D8RTm?= =?us-ascii?Q?5yx59U75qmNpjIFcz+G8o/5wN0DeVqPkCxL+iOLrS8H/RK8FWJBqXsSa+hW/?= =?us-ascii?Q?EpcEyBI=3D?= X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230040)(376014)(36860700013)(82310400026)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Oct 2024 09:48:38.8794 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9e7825df-c667-4701-3678-08dce9d9e20a X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF000023CD.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB9005 Content-Type: text/plain; charset="utf-8" USB2 root hub in VF may contain less port number than supported USB2 phy number. Checking all USB2 phy number here would cause invalid memory access. [ 116.923438] Unable to handle kernel paging request at virtual address 00= 6c622f7665642f ... [ 117.213640] Call trace: [ 117.216783] tegra_xusb_enter_elpg+0x23c/0x658 [ 117.222021] tegra_xusb_runtime_suspend+0x40/0x68 [ 117.227260] pm_generic_runtime_suspend+0x30/0x50 [ 117.232847] __rpm_callback+0x84/0x3c0 [ 117.237038] rpm_suspend+0x2dc/0x740 [ 117.241229] pm_runtime_work+0xa0/0xb8 [ 117.245769] process_scheduled_works+0x24c/0x478 [ 117.251007] worker_thread+0x23c/0x328 [ 117.255547] kthread+0x104/0x1b0 [ 117.259389] ret_from_fork+0x10/0x20 [ 117.263582] Code: 54000222 f9461ae8 f8747908 b4ffff48 (f9400100) Cc: # 6.3+ Fixes: a30951d31b25 ("xhci: tegra: USB2 pad power controls") Signed-off-by: Henry Lin --- v2: - Added Fixes tag and the cc stable line 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 6246d5ad1468..76f228e7443c 100644 --- a/drivers/usb/host/xhci-tegra.c +++ b/drivers/usb/host/xhci-tegra.c @@ -2183,7 +2183,7 @@ static int tegra_xusb_enter_elpg(struct tegra_xusb *t= egra, bool runtime) goto out; } =20 - for (i =3D 0; i < tegra->num_usb_phys; i++) { + for (i =3D 0; i < xhci->usb2_rhub.num_ports; i++) { if (!xhci->usb2_rhub.ports[i]) continue; portsc =3D readl(xhci->usb2_rhub.ports[i]->addr); --=20 2.25.1