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=-12.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=ham 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 DF918C4363D for ; Thu, 24 Sep 2020 11:11:29 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 77A7921D91 for ; Thu, 24 Sep 2020 11:11:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="HX+CJi+w"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=Synaptics.onmicrosoft.com header.i=@Synaptics.onmicrosoft.com header.b="jvVYZTbU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 77A7921D91 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=synaptics.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=JxEL9aatn9JoMn9lxOaXCUdf7qnlEIo2UvZefB7Jpio=; b=HX+CJi+wC7362PsdwrO3nsn+F s9ATt67rIW93+DUsht5sBPMxy8gA3qs4IPRcVmz8q1QfPqT6QSfLiSQ9d1+VEOqqatmZ2k7hk2Jdn x3/zbSAqLaavlvzaUbfCcZe2ZKc1csicYe5zEuRH3Abe6LJSpgiuNyGSTNnIlh5CjcwSS+jiCdV1e 1JMe1/pw8H30B1HuJBWSOYfFVBneqyYNHklUUm/irk04AJ4XPxq9mjdDxkHGv9NqdS29ECTV9JU3d +rZE0d9oWsCAle4c37sprGrYCJeIjvgdtUlOyGu+RRRTc+kEbKY5b76n3ZK0Q4JtjoxQiG+kNOoB2 mft+dSOBg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kLP9h-0002pZ-Jr; Thu, 24 Sep 2020 11:11:17 +0000 Received: from mail-bn8nam08on2073.outbound.protection.outlook.com ([40.107.100.73] helo=NAM04-BN8-obe.outbound.protection.outlook.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kLP9X-0002l7-IV; Thu, 24 Sep 2020 11:11:08 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=TM9SpLwEeg6oLi7NlR7/t0U17BLXanesMxkADL+MuVH+M6ktEoPoeG2moSTcCflC4G1uXx8Z0iZej5O1g5k2a/piWLx/Up1nxZcJXzVAGUdYpmwHa3B53CG0d80q5op70I12ei/1m799gI3Zm83eMRU2Qmee2oS+16OEzV1KbKcP5aOoK61cTEYKDqMIDuVrv0JV5m0nP53QCktg/uJ+OQ9Md6TnJqxHimdw6EpY5EBRq9NmssVE0o0bHSKMyzAD09pYUV6WGA/lH836evSvq0T00JmcqNQIIYuys1BK49lgI7kLdPIOaYJQw6Jw9M6JR6046enG0tdasih2YMR6JQ== 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=HtOzPxEd2XeU73giEScASx6cZtQ7qwm5SynZkZNyfv0=; b=d8Km32gPvsWv5GSgOx6xv1YDPEHNhx5frjoj0RtYdtn9JyGHFp7kIv3qCTls3AK/3V4DcSz35CtzuUMBR2Vy4nbdFteutrMVylO2OTJVZ05A8xBmeNqHWDD2n2zrdtIeZSnfbOLqCYlOP61O62VOmZ+9yb0qhTRnu1RN3A6WAAmOpDP89X724U453F4JZvMYhAvhQiE6XTNpnY2i2/Z05I6ehyrq9OgFcF/v8URCk1iSaP00C1TwBh5kgv3oNDkWiT5aGDKvId0wVrWHA3jGSXwkEvc5pdfnUkfvy9rIrSRoIEllniu+XUeg0kwiI6Nb1nyUfkS4h4mHN6B3tOBG8w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=synaptics.com; dmarc=pass action=none header.from=synaptics.com; dkim=pass header.d=synaptics.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Synaptics.onmicrosoft.com; s=selector2-Synaptics-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=HtOzPxEd2XeU73giEScASx6cZtQ7qwm5SynZkZNyfv0=; b=jvVYZTbUmYw+cVvr5YLgwZA1fcpsg8izLMgVul4WxPtesI/vrOavkllKtgD4uiVx9meeA6i3+rvkicvWkIwdcMpTBV6eMZTsEsUiPXzZt4XCbhO9l6W2dXCMUvShUeh6cLz9645KdtiZMTo4zcu52w3u3L9AvoXiUd6fCo9Ka9Y= Authentication-Results: ti.com; dkim=none (message not signed) header.d=none;ti.com; dmarc=none action=none header.from=synaptics.com; Received: from DM6PR03MB4555.namprd03.prod.outlook.com (2603:10b6:5:102::17) by DM6PR03MB4698.namprd03.prod.outlook.com (2603:10b6:5:180::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3412.20; Thu, 24 Sep 2020 11:11:05 +0000 Received: from DM6PR03MB4555.namprd03.prod.outlook.com ([fe80::e494:740f:155:4a38]) by DM6PR03MB4555.namprd03.prod.outlook.com ([fe80::e494:740f:155:4a38%7]) with mapi id 15.20.3391.027; Thu, 24 Sep 2020 11:11:05 +0000 Date: Thu, 24 Sep 2020 19:07:13 +0800 From: Jisheng Zhang To: Kishon Vijay Abraham I , Lorenzo Pieralisi , Rob Herring , Bjorn Helgaas , Jingoo Han , Kukjin Kim , Krzysztof Kozlowski , Richard Zhu , Lucas Stach , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Yue Wang , Kevin Hilman , Neil Armstrong , Jerome Brunet , Martin Blumenstingl , Jesper Nilsson , Gustavo Pimentel , Xiaowei Song , Binghui Wang , Andy Gross , Bjorn Andersson , Stanimir Varbanov , Pratyush Anand , Thierry Reding , Jonathan Hunter , Kunihiko Hayashi , Masahiro Yamada Subject: [PATCH v2 4/5] PCI: dwc: Skip PCIE_MSI_INTR0* programming if MSI is disabled Message-ID: <20200924190713.74e0afd6@xhacker.debian> In-Reply-To: <20200924190421.549cb8fc@xhacker.debian> References: <20200924190421.549cb8fc@xhacker.debian> X-Mailer: Claws Mail 3.17.6 (GTK+ 2.24.32; x86_64-pc-linux-gnu) X-ClientProxiedBy: TYAPR01CA0072.jpnprd01.prod.outlook.com (2603:1096:404:2b::36) To DM6PR03MB4555.namprd03.prod.outlook.com (2603:10b6:5:102::17) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from xhacker.debian (124.74.246.114) by TYAPR01CA0072.jpnprd01.prod.outlook.com (2603:1096:404:2b::36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3412.20 via Frontend Transport; Thu, 24 Sep 2020 11:10:53 +0000 X-Mailer: Claws Mail 3.17.6 (GTK+ 2.24.32; x86_64-pc-linux-gnu) X-Originating-IP: [124.74.246.114] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: cda9a7c4-8c37-4316-0a00-08d8607a8767 X-MS-TrafficTypeDiagnostic: DM6PR03MB4698: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:431; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 3NcT+TuzlBmVhDbUoRrr/Zz90zWnbTyTIRe/P718GtIp2mQ3COxi/Rx/G6Y2Y5kQ/P0f6nWhVrnBtHApbUdnOIAx6/rFhqSa1NZ3ELJFC5pvSB83VfA+SvIEOqvO4KkqjMfYUZ9YV0mrqDNg3yPxo/YLbSF+yPgX8QN7QnBil6te2dW1imEc3TiK08Q9INs97ce+dqCFUoVHvHC1lvoG6JNNbPIDhitLxkGS83LHFC//cHP0oTtbW4SWtSEJ1DxEbQ0Ehbao2ccQN1bGGxo4EOue/Dz/kOKrsUQYFn1JIAlyFw8Onwr+d3hnl/ptMA0ssF+mkSie/uW3JWdJye6nbERt9y8x6s8kXLP1EbgjwjRU4W+GL+UMQ0eOWq0vJ4EQ X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:DM6PR03MB4555.namprd03.prod.outlook.com; PTR:; CAT:NONE; SFS:(346002)(396003)(366004)(39860400002)(376002)(136003)(2906002)(86362001)(6506007)(52116002)(7696005)(83380400001)(478600001)(5660300002)(6666004)(186003)(4744005)(66556008)(16526019)(956004)(1076003)(26005)(316002)(66476007)(7406005)(66946007)(9686003)(55016002)(8676002)(8936002)(110136005)(4326008)(7416002)(921003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: synaptics.com X-MS-Exchange-CrossTenant-Network-Message-Id: cda9a7c4-8c37-4316-0a00-08d8607a8767 X-MS-Exchange-CrossTenant-AuthSource: DM6PR03MB4555.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Sep 2020 11:11:04.9087 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 335d1fbc-2124-4173-9863-17e7051a2a0e X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: rqzjjtd3RED+PHw7LhAfPmrXAUeo0ginqVyZN95C2zUzEGVPRENa1r3Mp9vpjIbA/h+3x7kYG/wgPT9HeS5bhg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR03MB4698 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200924_071107_673083_7DA98C77 X-CRM114-Status: GOOD ( 14.29 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-samsung-soc@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@axis.com, linux-arm-msm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org If MSI is disabled, there's no need to program PCIE_MSI_INTR0_MASK and PCIE_MSI_INTR0_ENABLE registers. Signed-off-by: Jisheng Zhang --- drivers/pci/controller/dwc/pcie-designware-host.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index d2de8bc5db91..7a8adf597803 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -641,7 +641,7 @@ void dw_pcie_setup_rc(struct pcie_port *pp) dw_pcie_setup(pci); - if (!pp->ops->msi_host_init) { + if (pci_msi_enabled() && !pp->ops->msi_host_init) { num_ctrls = pp->num_vectors / MAX_MSI_IRQS_PER_CTRL; /* Initialize IRQ Status array */ -- 2.28.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic