From patchwork Wed Apr 25 13:08:55 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Dupuis, Chad" X-Patchwork-Id: 10363169 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C2A60601D3 for ; Wed, 25 Apr 2018 13:09:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B296528DF6 for ; Wed, 25 Apr 2018 13:09:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A796428E00; Wed, 25 Apr 2018 13:09:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 24A4E28DF6 for ; Wed, 25 Apr 2018 13:09:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753937AbeDYNJf (ORCPT ); Wed, 25 Apr 2018 09:09:35 -0400 Received: from mail-sn1nam01on0044.outbound.protection.outlook.com ([104.47.32.44]:43760 "EHLO NAM01-SN1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752885AbeDYNJ0 (ORCPT ); Wed, 25 Apr 2018 09:09:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=OAHFE077nUuX3SJTn5OdzOqXTBX8izKoNpVGmthLZEE=; b=DXbHDRG0HRIGn5YdyttMOfzgG6kBGug0NMfT74GOyV8RMP7QdPT5F8iWFwjbspnbrYaApWptFsGpi8v+n+52og4RXyaWfLYCR5MOzkdPK0WhNOSLh+BqTYSpbkV6X0zc2T46R332pxKcinjsMvczDf3O3IWi+MoIsMSCpDdI0fs= Received: from SN4PR0701CA0022.namprd07.prod.outlook.com (2603:10b6:803:28::32) by BY2PR07MB1507.namprd07.prod.outlook.com (2a01:111:e400:5850::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.696.13; Wed, 25 Apr 2018 13:09:25 +0000 Received: from BN1AFFO11FD006.protection.gbl (2a01:111:f400:7c10::199) by SN4PR0701CA0022.outlook.office365.com (2603:10b6:803:28::32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.715.18 via Frontend Transport; Wed, 25 Apr 2018 13:09:24 +0000 Authentication-Results: spf=pass (sender IP is 50.232.66.26) smtp.mailfrom=cavium.com; oracle.com; dkim=none (message not signed) header.d=none;oracle.com; dmarc=bestguesspass action=none header.from=cavium.com; Received-SPF: Pass (protection.outlook.com: domain of cavium.com designates 50.232.66.26 as permitted sender) receiver=protection.outlook.com; client-ip=50.232.66.26; helo=CAEXCH02.caveonetworks.com; Received: from CAEXCH02.caveonetworks.com (50.232.66.26) by BN1AFFO11FD006.mail.protection.outlook.com (10.58.52.66) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA_P384) id 15.20.653.14 via Frontend Transport; Wed, 25 Apr 2018 13:09:24 +0000 Received: from dut1171.mv.qlogic.com (172.29.51.171) by CAEXCH02.caveonetworks.com (10.17.4.29) with Microsoft SMTP Server id 14.2.347.0; Wed, 25 Apr 2018 06:09:22 -0700 Received: from dut1171.mv.qlogic.com (localhost [127.0.0.1]) by dut1171.mv.qlogic.com (8.14.7/8.14.7) with ESMTP id w3PD982n006464; Wed, 25 Apr 2018 06:09:08 -0700 Received: (from root@localhost) by dut1171.mv.qlogic.com (8.14.7/8.14.7/Submit) id w3PD98Re006463; Wed, 25 Apr 2018 06:09:08 -0700 From: Chad Dupuis To: CC: , , Subject: [PATCH 11/21] qedf: Check if link is alraedy up when receiving a link up event from qed. 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Ip=[50.232.66.26]; Helo=[CAEXCH02.caveonetworks.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY2PR07MB1507 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Chad Dupuis --- drivers/scsi/qedf/qedf_main.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index 64491ae60059..866989ccd66e 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -485,6 +485,11 @@ static void qedf_link_update(void *dev, struct qed_link_output *link) struct qedf_ctx *qedf = (struct qedf_ctx *)dev; if (link->link_up) { + if (atomic_read(&qedf->link_state) == QEDF_LINK_UP) { + QEDF_INFO((&qedf->dbg_ctx), QEDF_LOG_DISC, + "Ignoring link up event as link is already up.\n"); + return; + } QEDF_ERR(&(qedf->dbg_ctx), "LINK UP (%d GB/s).\n", link->speed / 1000);