From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F7FBC3F68F for ; Thu, 23 Jan 2020 23:09:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0EE3F21D7E for ; Thu, 23 Jan 2020 23:09:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=micron.com header.i=@micron.com header.b="Lz8+ARta" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729715AbgAWXJg (ORCPT ); Thu, 23 Jan 2020 18:09:36 -0500 Received: from mail-mw2nam12on2049.outbound.protection.outlook.com ([40.107.244.49]:51041 "EHLO NAM12-MW2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727056AbgAWXJg (ORCPT ); Thu, 23 Jan 2020 18:09:36 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=X22wiXcewopjOqsmzKBchIGcGBpAHRR0vH0dLFaxOf/S9SZzmJv8mMc9ppbnkeWju/xgdMZiUThYHDBhx2gU9aZqJxh48ezdRy2A8qHxfjER8nQggLdMrivsmOW7mT8D9gRFpIZ+dBTGUHaZfC4vBgLxw3AkQGYeiZq2dr8KzrIUXq/3AQqGHLzIHFk2GYHhUDZSXHWQlB7LXAxAw4hzxmvpJREHQjfZHDBlij0MyTTEt7mRWzFJ+aVz3Bu34dYei7w6dJMnUoCCsy7jeP/CivaQ0ur2u1NYCQOMoP8mySt1V6lJGnOD+OVqAOLar1YFrugKVJhNeKMU7e55ddkTWg== 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-SenderADCheck; bh=k41R4cJlHs3A4fvr4R1rXw5XwgdcK02Vhgt2B3OIbqU=; b=d07U5bF3L93x1dTNiLnBq0kJrrsmWUBSvAbTa+eHNcsXZ59RMKqTEWcXh315jO6AbmwXune+XyHQS2Et4bwyrs+PErLj0nGUc8ANNvtLjgZ4bsAEibKqESUAd31hke/yj/I3cIOUDUMI4ISFFvEcOLMN5ulr+DTQhXS50P9K0RX7LNR77XiQ4Jo5BPmqeU+7MQgMv19WB8JNN993D/hf29a55gAyM8BrTsGxEXC2GlgIq6Hob7Mw7mufMmApt/Y/n3jaMB0hDocumNWnu91jgG9CMD8PyenEZkNGpgw2thl4P0sBuk1VJKYvCnhYadB80giNK7xs5GePdsieEA4dkA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=micron.com; dmarc=pass action=none header.from=micron.com; dkim=pass header.d=micron.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=micron.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=k41R4cJlHs3A4fvr4R1rXw5XwgdcK02Vhgt2B3OIbqU=; b=Lz8+ARtah5vOgvQK+louRCwJLTsPpT8VBXl3iRUQsjDaS7Wy1Qqzughcnk6w1frVRlgeRU4Y/FJ6KiX3OpF2PrhWTg1jghKp1kUDcXT+B1u173BjNGrGbjFZsqJ2GBSyEegD39XRPhwWhkZ8GpQKtX9OPXGKgM6oKGcKnyqDMfE= Received: from BN7PR08MB5684.namprd08.prod.outlook.com (20.176.179.87) by BN7PR08MB4146.namprd08.prod.outlook.com (52.132.216.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2644.23; Thu, 23 Jan 2020 23:09:33 +0000 Received: from BN7PR08MB5684.namprd08.prod.outlook.com ([fe80::981f:90d7:d45f:fd11]) by BN7PR08MB5684.namprd08.prod.outlook.com ([fe80::981f:90d7:d45f:fd11%7]) with mapi id 15.20.2665.017; Thu, 23 Jan 2020 23:09:33 +0000 From: "Bean Huo (beanhuo)" To: Can Guo , "asutoshd@codeaurora.org" , "nguyenb@codeaurora.org" , "hongwus@codeaurora.org" , "rnayak@codeaurora.org" , "linux-scsi@vger.kernel.org" , "kernel-team@android.com" , "saravanak@google.com" , "salyzyn@google.com" CC: Sayali Lokhande , Alim Akhtar , Avri Altman , Pedro Sousa , "James E.J. Bottomley" , "Martin K. Petersen" , Stanley Chu , Venkat Gopalakrishnan , Tomas Winkler , open list Subject: RE: [EXT] [PATCH v4 1/8] scsi: ufs: Flush exception event before suspend Thread-Topic: [EXT] [PATCH v4 1/8] scsi: ufs: Flush exception event before suspend Thread-Index: AQHV0b5gyvtnMcTz1ketHJeig0sH8Kf44HvQ Date: Thu, 23 Jan 2020 23:09:32 +0000 Message-ID: References: <1579764349-15578-1-git-send-email-cang@codeaurora.org> <1579764349-15578-2-git-send-email-cang@codeaurora.org> In-Reply-To: <1579764349-15578-2-git-send-email-cang@codeaurora.org> Accept-Language: en-150, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-dg-ref: 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 x-dg-rorf: true authentication-results: spf=none (sender IP is ) smtp.mailfrom=beanhuo@micron.com; x-originating-ip: [165.225.86.90] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 92ca06f1-153a-4d30-45b3-08d7a0594ec1 x-ms-traffictypediagnostic: BN7PR08MB4146:|BN7PR08MB4146:|BN7PR08MB4146: x-microsoft-antispam-prvs: x-ms-exchange-transport-forked: True x-ms-oob-tlc-oobclassifiers: OLM:4714; x-forefront-prvs: 029174C036 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(136003)(39860400002)(366004)(346002)(376002)(396003)(199004)(189003)(15650500001)(71200400001)(64756008)(76116006)(66946007)(5660300002)(66476007)(33656002)(66556008)(66446008)(8676002)(478600001)(4744005)(7696005)(52536014)(7416002)(81166006)(55236004)(9686003)(6506007)(316002)(54906003)(26005)(2906002)(186003)(8936002)(4326008)(86362001)(55016002)(110136005)(81156014);DIR:OUT;SFP:1101;SCL:1;SRVR:BN7PR08MB4146;H:BN7PR08MB5684.namprd08.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: micron.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: XvjRC6kDPAfOgtznGYMZcIH00IQScroFHDggJHS2AUnW6SB0++P5k+1B2IzjhNXxqTTfMPR6s8P3n5AFVLMdBxGbFUemhJk2R0eYaAaPadZd2nQJjgl2KBzumReiSbDR2Uq7EXEqsV/PYngcoxTr6VNfVskSaWpGV/WWC2jGaaj3qr6poYCKSinevA0bkyHAXPVu6m2Yi3lQWnx3LIAfKdYoDGGJyG8EacHpsn4lf6Xx7Yrl5dnmOSet52KQcJmkZfVdrTDNHa19weUT5DS+gNY6cCk6uklbp6jhupV6rh38STUkcajZCXSNGjDBi05ZcZjgieq1OZL7d6g65mkulVqrWtzQ1NJksiEcceqz9+GxMCz2nMxttRiLhksYkHTbhm2tajjYUBL7h0K6PtBrVPnhKPIyoS+A2CG9MWvcAfu+b3PtDyaLK0zUAyaxuGCB Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: micron.com X-MS-Exchange-CrossTenant-Network-Message-Id: 92ca06f1-153a-4d30-45b3-08d7a0594ec1 X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Jan 2020 23:09:32.7208 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: f38a5ecd-2813-4862-b11b-ac1d563c806f X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 5mXe//2WnX7q35xfEgGv7LJqZlXGcHbUmc8MROtAc/epp7RRDwBrmWqy/WHDrTAqM4Zo0cssdV8NIeBD/Z4yGw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN7PR08MB4146 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Can > /* TODO: handle Reject UPIU Response */ @@ -5215,7 > +5222,14 @@ static void ufshcd_exception_event_handler(struct work_struct > *work) >=20 > out: > scsi_unblock_requests(hba->host); > - pm_runtime_put_sync(hba->dev); > + /* > + * pm_runtime_get_noresume is called while scheduling > + * eeh_work to avoid suspend racing with exception work. > + * Hence decrement usage counter using pm_runtime_put_noidle > + * to allow suspend on completion of exception event handler. > + */ > + pm_runtime_put_noidle(hba->dev); > + pm_runtime_put(hba->dev); > return; > } >=20 Rebased this patch. Thanks,=20 //Bean