Received: by 2002:ab2:788f:0:b0:1ee:8f2e:70ae with SMTP id b15csp306440lqi; Wed, 6 Mar 2024 19:04:36 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCVc8FHvgG4WoKHq0uq963GJzm7LzdfhjPmg+yOTgmA6tyC03z3tr6t7i8B8n+El+u/ajuEbiQwvxFDmptRuik/DpRrkMMGbrpYLQyjRgQ== X-Google-Smtp-Source: AGHT+IHDWt9E+Az2p6HxrWatVJQPCsvex3Lm2qn+0UzyDPfju1H8yscX0OIeI0oW/zi6qgUF9xm7 X-Received: by 2002:a17:906:c2cc:b0:a45:89f1:939f with SMTP id ch12-20020a170906c2cc00b00a4589f1939fmr199852ejb.6.1709780676404; Wed, 06 Mar 2024 19:04:36 -0800 (PST) Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [2604:1380:4601:e00::3]) by mx.google.com with ESMTPS id gf10-20020a170906e20a00b00a442b2b5834si6466007ejb.310.2024.03.06.19.04.36 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Mar 2024 19:04:36 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-94903-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3; Authentication-Results: mx.google.com; dkim=pass header.i=@Nvidia.com header.s=selector2 header.b=UTRkRI0s; arc=fail (signature failed); spf=pass (google.com: domain of linux-kernel+bounces-94903-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-94903-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=nvidia.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id F1E7D1F21574 for ; Thu, 7 Mar 2024 03:04:35 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 144681B285; Thu, 7 Mar 2024 03:03:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="UTRkRI0s" Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on2044.outbound.protection.outlook.com [40.107.93.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 72E5014292; Thu, 7 Mar 2024 03:03:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.93.44 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709780638; cv=fail; b=PFddsVhRxefNUKpqYTkQIXM3F5GaEyJOVK8NV+Purehx6nQnQGMCi9HBo3sdEcUj1nU26B0gUo91cGVFCD/kgCzBfke4xQO1ZPtYVoa3XgiocP7SHkTsbJVfmOuzlCl6MuH6ohIitq9WwED80kKablNQue70PPouyl3nXnS8eRE= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709780638; c=relaxed/simple; bh=XeysJMo5ZGQvsZQSuOKUqxFgfZOi5MSsrbA1ctgbSjk=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=R3dwpPpeJ3prmvQ8EDlVxqhMzMsoB93kPZD5OUmkqs3QC7wqvW+uV/Y7n03AzBbQ1Wuw/dR8qPsw3p0mcRZfMmR9YjCAgTcFg1ytIx3PBjXhyFBJHk6OhIuw7uhEUJAWapFr5XsmefzRFUihCVpsxAoa1k96XCK4DD/kI0TC51g= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=UTRkRI0s; arc=fail smtp.client-ip=40.107.93.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=YrOAa9hLwL49lcTLMPCDm6H/uemy+rXlnL+UwgFL6sQ+f5swf6QRjr7IAcXo+ivM0uRuatu+qTifcxS3GgRcUIqMhS3XjGgk7YIDePyaqTu9UrMTjq3VsZsvmfMKoz9jh2TKQw3nEhTvApKMJVa8H5IPQZHTxDHdlszvUBN0ayhglRSSr73nGQBupqzq2BzRWWyQL5Xygqqo5/rcKVQeq7ylWMIagdDh5iGy/lmpLV5ZJISu8lje6/ZdP0tOjQW0UnHoCIS6SPqdosz+Vwh1XbCNZqMM53Fn5g2AaWV4FNsWORj/Ymlcrr5Nh3jAGEqDwwPUXJUSq+UFEbVb0BNfug== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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; bh=aD/K+1/pka0o2jzGIisI62E/wSox2b8Okd3jGKUSotg=; b=NNBwg5g+eEhTJPvagK1uGmmNNQ7v2u1ZS2eiE0Avab/qAhGsHN8I7wqQdgQEQREWPlyIZtp70pckEW4Z8pT4/dyybXhNZtcPk70RN0kG9Et26osISK7Za9xhO3RcrQZ8IxuULbNf80I9pZdh+UhJM78VQXszQj5ls8qvAIf0oCoL+gKpeeOjCq6fMohAZSFXqW074HoXhBOiAuKDBatrVCNz/bDScPDe8wovEW7oiGsjVP4+aaZ6/V24yDJoOWT25QG9nw1PG2TZW0sjQOhkVc4Lc4uaW2s0QwCBYM57Vj3ZiS/l1tq1NiceOGq5Emj1s3jr2B/Tg0A0sP6VareQng== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.160) smtp.rcpttodomain=gmail.com smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=aD/K+1/pka0o2jzGIisI62E/wSox2b8Okd3jGKUSotg=; b=UTRkRI0s5eeV72Aw6e0Cn3R/7TJyZfVjReTU0r7uLbywSoyGG/6u5ZVZtv7a/znplii3AWYWgAouyAQolu8YaV71Q2CvOTdYr6bUFwA/wR+6EgkUOto0tPsNQ3Lxtp7jokM9zTAS9xa/BsqqmIV9Z2QdqPh4unFj2ylsD07d3JpscVhGMX6o9JtDX/3zgZiKrYN8ur42e53Kazlxd/fXEhEkRZNqmT0N7Lf3+LzhvmBLCsdj/2rTG35kgB3qJ1txZinO53aVkLNAIQjeDpISaZFUTE803vhccDgurWQ8KpKEqzaZR5SCwx9ZtUDXXIGtSvYletEc8mT/LiTpFbrtqA== Received: from BN9PR03CA0339.namprd03.prod.outlook.com (2603:10b6:408:f6::14) by DM4PR12MB5724.namprd12.prod.outlook.com (2603:10b6:8:5f::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7339.39; Thu, 7 Mar 2024 03:03:51 +0000 Received: from BN1PEPF00004687.namprd05.prod.outlook.com (2603:10b6:408:f6:cafe::f9) by BN9PR03CA0339.outlook.office365.com (2603:10b6:408:f6::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7362.24 via Frontend Transport; Thu, 7 Mar 2024 03:03:51 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.160) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.160) by BN1PEPF00004687.mail.protection.outlook.com (10.167.243.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7362.11 via Frontend Transport; Thu, 7 Mar 2024 03:03:51 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.41; Wed, 6 Mar 2024 19:03:35 -0800 Received: from rnnvmail203.nvidia.com (10.129.68.9) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Wed, 6 Mar 2024 19:03:35 -0800 Received: from waynec-Precision-5760.nvidia.com (10.127.8.13) by mail.nvidia.com (10.129.68.9) with Microsoft SMTP Server id 15.2.1258.12 via Frontend Transport; Wed, 6 Mar 2024 19:03:33 -0800 From: Wayne Chang To: , , , , , , CC: , , , , Subject: [PATCH v2 1/2] phy: tegra: xusb: Add API to retrieve the port number of phy Date: Thu, 7 Mar 2024 11:03:27 +0800 Message-ID: <20240307030328.1487748-2-waynec@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240307030328.1487748-1-waynec@nvidia.com> References: <20240307030328.1487748-1-waynec@nvidia.com> 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: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN1PEPF00004687:EE_|DM4PR12MB5724:EE_ X-MS-Office365-Filtering-Correlation-Id: 95deeabe-c664-4341-385a-08dc3e533783 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: JKJuypVDCQzn0CrGVl7fFrNGLh137jNUxouXuY44bZ+Ld/tWkxCKFIhQbQswf6KrW7aSg75mN0KAQfAD6sDx2U71C43JWh6+eoR8EIMKqq236b8N4KOOEvnIQ9GzjAjtQx0RtSjwAJpJXjGTFpWHASG2Br3nYh9o+af+AWnkVapgyAOlOd0IPTtWZ0ZVfoQLZcVepQZNxbSkwvVICM34FPkGHmde/sQR/a7rKJpICiZCQ/EA8s76herfbUZrX6glVcvr7W/2leq+I1hV0yix2w0jUi2z6VOpezJxViVPABxiA+D1pFOj7vuKTifS3u9eX/nQQYlgiJ4SsWYpXe+cT0J2sLHkBd5U17iB9E3BAuRxGIxEyv2ARoYq1BtCddxlqd/N0J+SqEsnGrIF/qQroyl6t63txqWq+DKQsEGQJK0NTv9Pq+VEI4dvUnVkFATZ3uR+OWjkBuaeq27TyaXeH8SDwip9ivuzfsoPj6VleAtdc8lLX7ccNi32qHSMNP2ETyUHuC7zTxaK2byyUnoP+LUgcovwF+zLvbcHu+mboDlLf79IAicuIsNZhaBJcG1U4gSW26qkt5f2B8Jjclao2SrH36huAvWzgagu20jK+B+jCGJP7WdFEseEJAGoiLUgfouKW1wV9Z1h5Uf+roJAu6iylMFd8RxSOLnhH3mMYFeddksm2M2P6/bpJuX2t34y7xmbZ9Lkmw1VL3rgLY/FcMZukmuUZXCihIMJZwsrTg8AdAFbJWEPHaP79Ynuf7q9 X-Forefront-Antispam-Report: CIP: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:(13230031)(376005)(82310400014)(36860700004);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Mar 2024 03:03:51.1978 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 95deeabe-c664-4341-385a-08dc3e533783 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN1PEPF00004687.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5724 This patch introduces a new API, tegra_xusb_padctl_get_port_number, to the Tegra XUSB Pad Controller driver. This API is used to identify the USB port that is associated with a given PHY. The function takes a PHY pointer for either a USB2 PHY or USB3 PHY as input and returns the corresponding port number. If the PHY pointer is invalid, it returns -ENODEV. Cc: stable@vger.kernel.org Signed-off-by: Wayne Chang --- V1 -> V2:cc stable drivers/phy/tegra/xusb.c | 13 +++++++++++++ include/linux/phy/tegra/xusb.h | 1 + 2 files changed, 14 insertions(+) diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c index 142ebe0247cc..983a6e6173bd 100644 --- a/drivers/phy/tegra/xusb.c +++ b/drivers/phy/tegra/xusb.c @@ -1531,6 +1531,19 @@ int tegra_xusb_padctl_get_usb3_companion(struct tegra_xusb_padctl *padctl, } EXPORT_SYMBOL_GPL(tegra_xusb_padctl_get_usb3_companion); +int tegra_xusb_padctl_get_port_number(struct phy *phy) +{ + struct tegra_xusb_lane *lane; + + if (!phy) + return -ENODEV; + + lane = phy_get_drvdata(phy); + + return lane->index; +} +EXPORT_SYMBOL_GPL(tegra_xusb_padctl_get_port_number); + MODULE_AUTHOR("Thierry Reding "); MODULE_DESCRIPTION("Tegra XUSB Pad Controller driver"); MODULE_LICENSE("GPL v2"); diff --git a/include/linux/phy/tegra/xusb.h b/include/linux/phy/tegra/xusb.h index 70998e6dd6fd..6ca51e0080ec 100644 --- a/include/linux/phy/tegra/xusb.h +++ b/include/linux/phy/tegra/xusb.h @@ -26,6 +26,7 @@ void tegra_phy_xusb_utmi_pad_power_down(struct phy *phy); int tegra_phy_xusb_utmi_port_reset(struct phy *phy); int tegra_xusb_padctl_get_usb3_companion(struct tegra_xusb_padctl *padctl, unsigned int port); +int tegra_xusb_padctl_get_port_number(struct phy *phy); int tegra_xusb_padctl_enable_phy_sleepwalk(struct tegra_xusb_padctl *padctl, struct phy *phy, enum usb_device_speed speed); int tegra_xusb_padctl_disable_phy_sleepwalk(struct tegra_xusb_padctl *padctl, struct phy *phy); -- 2.25.1