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patch:
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put:
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GET /api/patches/2197152/?format=api
{ "id": 2197152, "url": "http://patchwork.ozlabs.org/api/patches/2197152/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260217081431.1208351-2-pshete@nvidia.com/", "project": { "id": 42, "url": "http://patchwork.ozlabs.org/api/projects/42/?format=api", "name": "Linux GPIO development", "link_name": "linux-gpio", "list_id": "linux-gpio.vger.kernel.org", "list_email": "linux-gpio@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260217081431.1208351-2-pshete@nvidia.com>", "list_archive_url": null, "date": "2026-02-17T08:14:31", "name": "[v2,2/2] gpio: tegra186: Support multi-socket devices", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "e4df9756c5f6ad9cd0bb3df9bca459f7a6e1a207", "submitter": { "id": 82424, "url": "http://patchwork.ozlabs.org/api/people/82424/?format=api", "name": "Prathamesh Shete", "email": "pshete@nvidia.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260217081431.1208351-2-pshete@nvidia.com/mbox/", "series": [ { "id": 492393, "url": "http://patchwork.ozlabs.org/api/series/492393/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/list/?series=492393", "date": "2026-02-17T08:14:30", "name": "[v2,1/2] gpio: tegra186: Simplify GPIO line name prefix handling", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/492393/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2197152/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2197152/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-gpio+bounces-31735-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-gpio@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ 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<thierry.reding@gmail.com>,\n\t<jonathanh@nvidia.com>, <linux-gpio@vger.kernel.org>,\n\t<linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>", "CC": "<pshete@nvidia.com>", "Subject": "[PATCH v2 2/2] gpio: tegra186: Support multi-socket devices", "Date": "Tue, 17 Feb 2026 08:14:31 +0000", "Message-ID": "<20260217081431.1208351-2-pshete@nvidia.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20260217081431.1208351-1-pshete@nvidia.com>", "References": "<20260217081431.1208351-1-pshete@nvidia.com>", "Precedence": "bulk", "X-Mailing-List": "linux-gpio@vger.kernel.org", "List-Id": "<linux-gpio.vger.kernel.org>", "List-Subscribe": "<mailto:linux-gpio+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-gpio+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-ClientProxiedBy": "rnnvmail201.nvidia.com (10.129.68.8) To\n rnnvmail201.nvidia.com (10.129.68.8)", "X-EOPAttributedMessage": "0", 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"X-Forefront-Antispam-Report": "\n\tCIP: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)(376014)(36860700013)(82310400026)(1800799024);DIR:OUT;SFP:1101;", "X-MS-Exchange-AntiSpam-MessageData-ChunkCount": "1", "X-MS-Exchange-AntiSpam-MessageData-0": "\n\ty65CdTfs889aXsGvXNFG/0VYVdk51JPe7O8RRIwVTO2HR38oeFsSGm8r/uNB8T8ZreoWMP3zkZRDDTx1Pmb2294cTcrHKVLthtgTDpGeZWIiiybRYIV1CtFrmcEX1/SlUcIhzvHJyT7Yr6SRN6jS/bmEVTGUyAd2zYeeceeTnLmFNxs7t4IYmKHrUXiPbXcUlznFL2M6VN45nvCv2QhNsBH7Ou38pXQ59XS3BPn17FDPArPXtsKSCh+58odpMFiLy/e7qnAm1VTyoi6NF4LyU3CF0FvMhWp05Rf1mX3z/7T1luMI2MeTsOuIR8A+bUzwZVL7WQd3FvPf/cA9FsmmTggaF6duAFDqnkH9H0IwB+rtBT6VuuJQtW445+lY9tVw7Ll0Wun5i+chzYLEq6Y6u9/RB/VEha9H97b9YSAtPIcYGgECBmRbz8k9+vkg2vh4", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "17 Feb 2026 08:15:08.2594\n (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 0946c61a-05a0-4810-2792-08de6dfca9fb", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n\tCH1PEPF0000AD7F.namprd04.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "IA0PR12MB8088" }, "content": "On Tegra platforms, multiple SoC instances may be present with each\ndefining the same GPIO name. For such devices, this results in\nduplicate GPIO names.\n\nWhen the device has a valid NUMA node, prepend the NUMA node ID\nto the GPIO name prefix. The node ID identifies each socket,\nensuring GPIO line names remain distinct across multiple sockets.\n\nSigned-off-by: Prathamesh Shete <pshete@nvidia.com>\n---\nChanges in v2:\n * Split the v1 patch into two; this one to support multi-socket devices.\n---\n drivers/gpio/gpio-tegra186.c | 16 +++++++++++++---\n 1 file changed, 13 insertions(+), 3 deletions(-)", "diff": "diff --git a/drivers/gpio/gpio-tegra186.c b/drivers/gpio/gpio-tegra186.c\nindex f04cc240b5ec..fb26402b6c47 100644\n--- a/drivers/gpio/gpio-tegra186.c\n+++ b/drivers/gpio/gpio-tegra186.c\n@@ -857,7 +857,7 @@ static int tegra186_gpio_probe(struct platform_device *pdev)\n \tstruct device_node *np;\n \tstruct resource *res;\n \tchar **names;\n-\tint err;\n+\tint node, err;\n \n \tgpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL);\n \tif (!gpio)\n@@ -937,13 +937,23 @@ static int tegra186_gpio_probe(struct platform_device *pdev)\n \tif (!names)\n \t\treturn -ENOMEM;\n \n+\tnode = dev_to_node(&pdev->dev);\n+\n \tfor (i = 0, offset = 0; i < gpio->soc->num_ports; i++) {\n \t\tconst struct tegra_gpio_port *port = &gpio->soc->ports[i];\n \t\tchar *name;\n \n \t\tfor (j = 0; j < port->pins; j++) {\n-\t\t\tname = devm_kasprintf(gpio->gpio.parent, GFP_KERNEL, \"%sP%s.%02x\",\n-\t\t\t\t\t gpio->soc->prefix ?: \"\", port->name, j);\n+\t\t\tif (node >= 0)\n+\t\t\t\tname = devm_kasprintf(gpio->gpio.parent, GFP_KERNEL,\n+\t\t\t\t\t\t \"%d-%sP%s.%02x\", node,\n+\t\t\t\t\t\t gpio->soc->prefix ?: \"\",\n+\t\t\t\t\t\t port->name, j);\n+\t\t\telse\n+\t\t\t\tname = devm_kasprintf(gpio->gpio.parent, GFP_KERNEL,\n+\t\t\t\t\t\t \"%sP%s.%02x\",\n+\t\t\t\t\t\t gpio->soc->prefix ?: \"\",\n+\t\t\t\t\t\t port->name, j);\n \t\t\tif (!name)\n \t\t\t\treturn -ENOMEM;\n \n", "prefixes": [ "v2", "2/2" ] }