From patchwork Tue Aug 16 08:23:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jim Lin X-Patchwork-Id: 12944536 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07790C32772 for ; Tue, 16 Aug 2022 09:47:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234007AbiHPJrt (ORCPT ); Tue, 16 Aug 2022 05:47:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35898 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233835AbiHPJrR (ORCPT ); Tue, 16 Aug 2022 05:47:17 -0400 Received: from NAM12-MW2-obe.outbound.protection.outlook.com (mail-mw2nam12on2086.outbound.protection.outlook.com [40.107.244.86]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 44E9E119A77; Tue, 16 Aug 2022 01:24:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Txyqpm1/LH9zUljRJh67kCYH4GdVwpWbEDUj4EvvtHaBAzCaVxOyC/3PUbImaprszeC7eJzaa+eApr7ukE/flgFsCYd5hBOa/qnAvnbl0kLV62YupFeFgVGiqZTQZYb7xgwGwPmSNlhOHZywJgN6Cz94COPkh44tQevWz35MaWEyhpt3LN6330GsbCC8AoLXJi9GXWN5WZDLqevQss48cHgKr3lD1/rIA5qJ9o4S2vHZ3F9W9p7URbNK8v3a4/Vqx97L6BEQzIcK1uAqzhbQ1iOVttnBwH0kCWhDNc2IPHPnHWtv2yit19TTgAJNL79Y+AlSHAT+f+ZICYO2PU2iyw== 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=zw7NSr8L0kLuo5Fy+J+L/vnl1tjW8t/tRgaG3ksVrHY=; b=AdIDMPz0RbGHsMHRdNKk+NpU0RA/K5eabOTvc2jltm6GPaA2BrRZaCAY0eWD4t0fI9fw9J72Ty5+UnrkZgPJ9BXDZCaUwvrR827pyLnio1/IJpQhBKOm2SXluiKGY01ahIjx8y0KXHavu2+PcsEnYxboBKFB+x6Xu9oSyH4OhR/DWT4qPpEJdbAfcivMkSqt13T67BNYCQ1azQy4CHmpA+3YCr3D5djd51rjR79HWjLiyVKcDRnoIGvTs+1y2aaAAMzs+wXVB8mlB0LlUF5QEGzcBgnoai5c2F3cDHS5KTU24F1uzpcz2tI/m1x3GHST6shoCTXF2EAlS7oiJh5a+w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 12.22.5.236) smtp.rcpttodomain=vger.kernel.org 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 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=zw7NSr8L0kLuo5Fy+J+L/vnl1tjW8t/tRgaG3ksVrHY=; b=QlygyKvgf7pBok9GEtKWFV1D+p7VQ6UUKz1fG7ovxCUNse2Pjx34gHbwMk7drbZ1HTCYi11ZwnUNvyVgjRnS9TZtq5KBWsep2yn4lTjN2+h01sdbnn9YK0XB2XzfNM7QZtyh4yxQucvwlS9FM8F2n2+99P3qktPxC0ZzccX76tOX682PSF3nrbHiJA4KqslcbV7RAxEI2DT6lxFeu5mwP3geTziWVgYqgoVhzSjg4ThmtCE7kpkRxN/4LRTb4cN3srgEF+/ae+73CiilH2DWYS6CZubnwjzcCbyMkHBYb1D1t/5FKnk+lKfNceKF5m/vbaezK70L/MIOgdMJKHa5mw== Received: from DS7PR07CA0022.namprd07.prod.outlook.com (2603:10b6:5:3af::24) by BYAPR12MB3223.namprd12.prod.outlook.com (2603:10b6:a03:138::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5525.11; Tue, 16 Aug 2022 08:24:06 +0000 Received: from DM6NAM11FT030.eop-nam11.prod.protection.outlook.com (2603:10b6:5:3af:cafe::ae) by DS7PR07CA0022.outlook.office365.com (2603:10b6:5:3af::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5525.10 via Frontend Transport; Tue, 16 Aug 2022 08:24:05 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 12.22.5.236) 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 12.22.5.236 as permitted sender) receiver=protection.outlook.com; client-ip=12.22.5.236; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (12.22.5.236) by DM6NAM11FT030.mail.protection.outlook.com (10.13.172.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.5525.11 via Frontend Transport; Tue, 16 Aug 2022 08:24:05 +0000 Received: from rnnvmail204.nvidia.com (10.129.68.6) by DRHQMAIL109.nvidia.com (10.27.9.19) with Microsoft SMTP Server (TLS) id 15.0.1497.38; Tue, 16 Aug 2022 08:24:05 +0000 Received: from rnnvmail203.nvidia.com (10.129.68.9) by rnnvmail204.nvidia.com (10.129.68.6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.29; Tue, 16 Aug 2022 01:24:04 -0700 Received: from jilin-desktop.nvidia.com (10.127.8.12) by mail.nvidia.com (10.129.68.9) with Microsoft SMTP Server id 15.2.986.29 via Frontend Transport; Tue, 16 Aug 2022 01:24:01 -0700 From: Jim Lin To: , , CC: , , , , , , , , Subject: [PATCH v2 2/2] usb: gadget: tegra: Reduce pad power Date: Tue, 16 Aug 2022 16:23:53 +0800 Message-ID: <20220816082353.13390-3-jilin@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220816082353.13390-1-jilin@nvidia.com> References: <20220816082353.13390-1-jilin@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: eafd2aac-8c8a-499f-6a0c-08da7f60af36 X-MS-TrafficTypeDiagnostic: BYAPR12MB3223:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.236;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230016)(4636009)(376002)(136003)(346002)(39860400002)(396003)(36840700001)(46966006)(40470700004)(4326008)(2906002)(26005)(2616005)(82310400005)(7696005)(6636002)(40480700001)(36860700001)(8936002)(40460700003)(6666004)(86362001)(110136005)(41300700001)(54906003)(36756003)(478600001)(81166007)(82740400003)(356005)(336012)(47076005)(83380400001)(426003)(1076003)(186003)(8676002)(316002)(5660300002)(70206006)(70586007)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Aug 2022 08:24:05.8263 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: eafd2aac-8c8a-499f-6a0c-08da7f60af36 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.236];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT030.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR12MB3223 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Program USB2 UTMI pad PD controls during port connect/disconnect. Power down pad after disconnected to save power. Signed-off-by: Jim Lin --- v2: update copyright year drivers/usb/gadget/udc/tegra-xudc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/udc/tegra-xudc.c b/drivers/usb/gadget/udc/tegra-xudc.c index 43f1b0d461c1..e59f19be6327 100644 --- a/drivers/usb/gadget/udc/tegra-xudc.c +++ b/drivers/usb/gadget/udc/tegra-xudc.c @@ -2,7 +2,7 @@ /* * NVIDIA Tegra XUSB device mode controller * - * Copyright (c) 2013-2019, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2013-2022, NVIDIA CORPORATION. All rights reserved. * Copyright (c) 2015, Google Inc. */ @@ -703,6 +703,8 @@ static void tegra_xudc_device_mode_on(struct tegra_xudc *xudc) pm_runtime_get_sync(xudc->dev); + tegra_phy_xusb_utmi_pad_power_on(xudc->curr_utmi_phy); + err = phy_power_on(xudc->curr_utmi_phy); if (err < 0) dev_err(xudc->dev, "UTMI power on failed: %d\n", err); @@ -757,6 +759,8 @@ static void tegra_xudc_device_mode_off(struct tegra_xudc *xudc) /* Make sure interrupt handler has completed before powergating. */ synchronize_irq(xudc->irq); + tegra_phy_xusb_utmi_pad_power_down(xudc->curr_utmi_phy); + err = phy_power_off(xudc->curr_utmi_phy); if (err < 0) dev_err(xudc->dev, "UTMI PHY power off failed: %d\n", err);