Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/2215569/?format=api
{ "id": 2215569, "url": "http://patchwork.ozlabs.org/api/patches/2215569/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260324191000.1095768-3-mmaddireddy@nvidia.com/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/projects/28/?format=api", "name": "Linux PCI development", "link_name": "linux-pci", "list_id": "linux-pci.vger.kernel.org", "list_email": "linux-pci@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260324191000.1095768-3-mmaddireddy@nvidia.com>", "list_archive_url": null, "date": "2026-03-24T19:09:53", "name": "[v8,2/9] PCI: tegra194: Calibrate pipe to UPHY for Endpoint mode", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "bf565e381cd944ff5e0ff6137821eac3b9512289", "submitter": { "id": 72399, "url": "http://patchwork.ozlabs.org/api/people/72399/?format=api", "name": "Manikanta Maddireddy", "email": "mmaddireddy@nvidia.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260324191000.1095768-3-mmaddireddy@nvidia.com/mbox/", "series": [ { "id": 497333, "url": "http://patchwork.ozlabs.org/api/series/497333/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=497333", "date": "2026-03-24T19:09:51", "name": "Enhancements to pcie-tegra194 driver", "version": 8, "mbox": "http://patchwork.ozlabs.org/series/497333/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2215569/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2215569/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-pci+bounces-50966-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pci@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=Nvidia.com header.i=@Nvidia.com header.a=rsa-sha256\n header.s=selector2 header.b=hdqbZi06;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; helo=tor.lore.kernel.org;\n envelope-from=linux-pci+bounces-50966-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)", "smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com\n header.b=\"hdqbZi06\"", "smtp.subspace.kernel.org;\n arc=fail smtp.client-ip=52.101.56.55", "smtp.subspace.kernel.org;\n dmarc=pass (p=reject dis=none) header.from=nvidia.com", "smtp.subspace.kernel.org;\n spf=fail smtp.mailfrom=nvidia.com" ], "Received": [ "from tor.lore.kernel.org (tor.lore.kernel.org\n [IPv6:2600:3c04:e001:36c::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fgKh62pGlz1y1G\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 25 Mar 2026 06:23:18 +1100 (AEDT)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby tor.lore.kernel.org (Postfix) with ESMTP id DAB21311BE7A\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 24 Mar 2026 19:13:02 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 0463C3C6A3F;\n\tTue, 24 Mar 2026 19:11:03 +0000 (UTC)", "from BN1PR04CU002.outbound.protection.outlook.com\n (mail-eastus2azon11010055.outbound.protection.outlook.com [52.101.56.55])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id D4B183BC67C;\n\tTue, 24 Mar 2026 19:10:59 +0000 (UTC)", "from SJ0PR13CA0066.namprd13.prod.outlook.com (2603:10b6:a03:2c4::11)\n by SJ5PPF816B88375.namprd12.prod.outlook.com (2603:10b6:a0f:fc02::99b) with\n Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9723.16; Tue, 24 Mar\n 2026 19:10:54 +0000", "from SJ5PEPF0000020A.namprd05.prod.outlook.com\n (2603:10b6:a03:2c4:cafe::eb) by SJ0PR13CA0066.outlook.office365.com\n (2603:10b6:a03:2c4::11) with Microsoft SMTP Server (version=TLS1_3,\n cipher=TLS_AES_256_GCM_SHA384) id 15.20.9723.31 via Frontend Transport; Tue,\n 24 Mar 2026 19:10:51 +0000", "from mail.nvidia.com (216.228.117.161) by\n SJ5PEPF0000020A.mail.protection.outlook.com (10.167.244.43) with Microsoft\n SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n 15.20.9723.19 via Frontend Transport; Tue, 24 Mar 2026 19:10:54 +0000", "from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com\n (10.129.200.67) with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Tue, 24 Mar\n 2026 12:10:35 -0700", "from mmaddireddy-ubuntu.nvidia.com (10.126.230.35) by\n rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server\n (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n 15.2.2562.20; Tue, 24 Mar 2026 12:10:28 -0700" ], "ARC-Seal": [ "i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1774379462; cv=fail;\n b=HKDBXV8Grn1vsh2eMFygsSlBKPKHCfXLmZ3Os2pl/TRDo4GEMoPxzk888jcAXedlBFe3WqdPGxsVMVoqTcQ6L+nenjQ20lqTVlhNkvSn0cu+IeLhK4QUW2XKx/JWcWqLY/QLkLYsWWGZxjVFbgQEnC62Q61TgR2laEi9hDBBb2Y=", "i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none;\n b=YS8WGaG+eHS+nKrZCDmrVFMfiEKY/a5ZbkZfoN7nYyNrJ5YDK2kTWVoCIXQhE7WTr8NPHCBkn4iH7RGom22WmA5CbsxXlngScRCtlaJmtyufw40jOK7j5t9NfCNOFQGPkH4zKxbPYdmFfKqgtXlds1+o2RRnOctfu65FyWyoan0eoo4K2liChgAVxN1wdbQ2UUPi31/w+AhmoUcJEJj+S0oOI3aMdlD6CB4iN/mouyljzMkXLoBUdadPUXKPylE2cAE4f7wTBdyiuarMzxbS40CM6kMBJ0Rq387P9WEW3Y6PbMYNhrxQCNspAhrqU2Ocfk/unBzO1pVXDLz+0GA5tQ==" ], "ARC-Message-Signature": [ "i=2; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1774379462; c=relaxed/simple;\n\tbh=WanZlmtLoJ5E+i/Q8l5ed7RNWqVgUKQ9VZWvp2HJsHA=;\n\th=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version:Content-Type;\n b=o2p6yxoExm/HedJaiU4mGbfKFJlcGV+dIYgQ7yQwOeREOS7YQD+crhUV++8HZT4g84LcPAZZMfs8UJgxYOV5RbKDy/6pDgZSNwIytgbcE7sQH+v392z4ZiOQXJtMmen8JK7/cnykeL+xWFaOQN2FCHVuEzTnX3fujM6d9O1EjwY=", "i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;\n s=arcselector10001;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1;\n bh=IrXhysgtloCQFrt8A7t/G0+qqIYfms12Jknw/3YCQJU=;\n b=emnvhEBN6dEU8av++Gx4BdjHU0MG1IPRYpD0GXmncove1hgIolsm1z6bJibCJhl8V/4PvP6yiBlGxY+TgLLlgp1bQE925AHbbkbj4hJZnpm+K6HPAwMkb44WFOE8dwZz3buuCvrft/XFD5rIBhMSbPbvXnxEGjpc1uu5tNtBHNvaEdochGqPmu4Bq3VwHODDOTsZnsqgAm7Hl3R8dvCIpVV42merBNXA/EIQSiiaJFrCNrCzOr0doy9IzZzAXaba+QIuhvff+POAZEls2PRRCzWcBU3P1fODjvX1gijtzSZkbXLXgdJymwDRWwSocZuEAkVhe8aaFVve1ZQ/LuCRcw==" ], "ARC-Authentication-Results": [ "i=2; smtp.subspace.kernel.org;\n dmarc=pass (p=reject dis=none) header.from=nvidia.com;\n spf=fail smtp.mailfrom=nvidia.com;\n dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com\n header.b=hdqbZi06; arc=fail smtp.client-ip=52.101.56.55", "i=1; mx.microsoft.com 1; spf=pass (sender ip is\n 216.228.117.161) smtp.rcpttodomain=google.com smtp.mailfrom=nvidia.com;\n dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com;\n dkim=none (message not signed); arc=none (0)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com;\n s=selector2;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=IrXhysgtloCQFrt8A7t/G0+qqIYfms12Jknw/3YCQJU=;\n b=hdqbZi06eLXY7wV3fZVJTM9v+N8khtwEztRpagGo7uEee8TefQegvkBhmcF6nfj3BUMr2g4sffgVoqkPxYIOMN6dfVuEANWHNLdX6DJuiqDW+c2ipB5iTM3Jl2Rh7JnQlUfzfvEkPs15Yjq01lS9tKdKJTXROo3rv/b2V5ayOZsVX/lpmqW2Ng7+cHI3Phrr+LMWRWpDfbRRFX/smsTNzaUW3GF737TLD6CyayZWg/d/oUYBqtIza5dc82vXg/e1/3lUgt0ikSDCkpIXHMRWlIE0Oofc9YkXsgG5AY7M5FcK7jQ3yrExsZSr9+llM46a/OU2XAngVtvfHHpalVeh4Q==", "X-MS-Exchange-Authentication-Results": "spf=pass (sender IP is 216.228.117.161)\n smtp.mailfrom=nvidia.com; dkim=none (message not signed)\n header.d=none;dmarc=pass action=none header.from=nvidia.com;", "Received-SPF": "Pass (protection.outlook.com: domain of nvidia.com designates\n 216.228.117.161 as permitted sender) receiver=protection.outlook.com;\n client-ip=216.228.117.161; helo=mail.nvidia.com; pr=C", "From": "Manikanta Maddireddy <mmaddireddy@nvidia.com>", "To": "<bhelgaas@google.com>, <lpieralisi@kernel.org>, <kwilczynski@kernel.org>,\n\t<mani@kernel.org>, <robh@kernel.org>, <krzk+dt@kernel.org>,\n\t<conor+dt@kernel.org>, <thierry.reding@gmail.com>, <jonathanh@nvidia.com>,\n\t<kishon@kernel.org>, <arnd@arndb.de>, <gregkh@linuxfoundation.org>,\n\t<Frank.Li@nxp.com>, <den@valinux.co.jp>, <hongxing.zhu@nxp.com>,\n\t<jingoohan1@gmail.com>, <vidyas@nvidia.com>, <cassel@kernel.org>,\n\t<18255117159@163.com>", "CC": "<linux-pci@vger.kernel.org>, <linux-tegra@vger.kernel.org>,\n\t<linux-kernel@vger.kernel.org>, Manikanta Maddireddy <mmaddireddy@nvidia.com>", "Subject": "[PATCH v8 2/9] PCI: tegra194: Calibrate pipe to UPHY for Endpoint\n mode", "Date": "Wed, 25 Mar 2026 00:39:53 +0530", "Message-ID": "<20260324191000.1095768-3-mmaddireddy@nvidia.com>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20260324191000.1095768-1-mmaddireddy@nvidia.com>", "References": "<20260324191000.1095768-1-mmaddireddy@nvidia.com>", "Precedence": "bulk", "X-Mailing-List": "linux-pci@vger.kernel.org", "List-Id": "<linux-pci.vger.kernel.org>", "List-Subscribe": "<mailto:linux-pci+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-pci+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "X-NVConfidentiality": "public", "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", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "SJ5PEPF0000020A:EE_|SJ5PPF816B88375:EE_", "X-MS-Office365-Filtering-Correlation-Id": "395280d8-fec9-479a-b3bf-08de89d912c7", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "\n\tBCL:0;ARA:13230040|7416014|1800799024|82310400026|376014|36860700016|921020|22082099003|18002099003|56012099003;", "X-Microsoft-Antispam-Message-Info": "\n\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", "X-Forefront-Antispam-Report": "\n\tCIP: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)(7416014)(1800799024)(82310400026)(376014)(36860700016)(921020)(22082099003)(18002099003)(56012099003);DIR:OUT;SFP:1101;", "X-MS-Exchange-AntiSpam-MessageData-ChunkCount": "1", "X-MS-Exchange-AntiSpam-MessageData-0": "\n\ttc4+qpGaW31cTMVMIlSykfApwKFrYxqKNixP90vjh9tMxBgGW8f0Sdq4CveeDd9+ondkqnO0X0GrrOiO+XVxBtwh2vdPm/xSPo/Y9gbu4XSsTnzWZ93GgAPwH218/bD/rK51tbGhQffFz4terpxirvHyoNN4TbhvpFZzorod/3i0Fa8DY/YdxTy7FQmvXaWzMVJRbZHEyNKcqVADqqbHmtoQbex+d1lEywRBzhThbHu0FJV8l8+OCs21PDiWLKdPhQX9YzN9rb/ZNuePnkmZaFIEOsnVnvKFloFuU5hW/RxhnYr561jhPmnmaTCTBSSxWHjElXU8TlX/CVfwBJymdyH4UZrxr9XakvyM7/4ebBO5PDQ3tWe14D7oKQ+ytWjVZk/6pMNca7hXgz9dih9RGdMConbRqT5mfM3p04IpC4bT7L+1K/fWd2G9t2q1hOyY", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "24 Mar 2026 19:10:54.8729\n (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 395280d8-fec9-479a-b3bf-08de89d912c7", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n\tSJ5PEPF0000020A.namprd05.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "SJ5PPF816B88375" }, "content": "From: Vidya Sagar <vidyas@nvidia.com>\n\nCalibrate 'pipe to universal PHY(UPHY)' (P2U) for the Endpoint controller\nto request UPHY PLL rate change to Gen1 during initialization. This helps\nto reset stale PLL state from the previous bad link state.\n\nReviewed-by: Jon Hunter <jonathanh@nvidia.com>\nTested-by: Jon Hunter <jonathanh@nvidia.com>\nSigned-off-by: Vidya Sagar <vidyas@nvidia.com>\nSigned-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>\n---\nChanges v8: Fix commit message\nChanges V1 -> V7: None\n\n drivers/pci/controller/dwc/pcie-tegra194.c | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c\nindex c823285368f5..37fcac55838f 100644\n--- a/drivers/pci/controller/dwc/pcie-tegra194.c\n+++ b/drivers/pci/controller/dwc/pcie-tegra194.c\n@@ -1071,6 +1071,9 @@ static int tegra_pcie_enable_phy(struct tegra_pcie_dw *pcie)\n \t\tret = phy_power_on(pcie->phys[i]);\n \t\tif (ret < 0)\n \t\t\tgoto phy_exit;\n+\n+\t\tif (pcie->of_data->mode == DW_PCIE_EP_TYPE)\n+\t\t\tphy_calibrate(pcie->phys[i]);\n \t}\n \n \treturn 0;\n", "prefixes": [ "v8", "2/9" ] }