From patchwork Thu Oct 5 16:40:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Havalige, Thippeswamy" X-Patchwork-Id: 148919 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2016:b0:403:3b70:6f57 with SMTP id fe22csp431252vqb; Thu, 5 Oct 2023 09:52:07 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF+/yzNkMkaclaf9qpcQUL3y6z+Sq5qKnn0yiPYbbRmbg0KM0iKeVdo8lQaSCW9cVxw57kH X-Received: by 2002:a05:6a21:498d:b0:135:38b5:7e58 with SMTP id ax13-20020a056a21498d00b0013538b57e58mr5388994pzc.37.1696524727359; Thu, 05 Oct 2023 09:52:07 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1696524727; cv=pass; d=google.com; s=arc-20160816; b=wkaM8WeN2c87cm4u/hSNoRspJc2nUGqZgjQa0Fef49NJvT2d4RelOY780hvWDWt254 Rq5jbn1rXYncNt1g9hwquJY1llPHs8qcjkcpGvY6/xv1RVHQ7o/g9xfwUorUDPz1iNhX Gg49EyTwVWmxo/uj29jFj3HL7Ewt+6DSg8UBj16FwD/fxbCTzk9iLeuZ2JbyTErZ8FzR v5Wfwlkg3M2ZrAUEznr1jgsCeN5qpkc9yxtTPcNxqkoad/he8+nc4a06TbHEIVGs0v3/ /1iJRROMJCP6KsKhmB6e4g7t1AO3viu4d+ePPtAaXClPFD3L4CgjJjc156nT2XA//R+0 PYug== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=L3ilyPbCZMc9D4qzJENbNGKw8ecAZQwX+PvbXf06TO8=; fh=J+yYKBVYwP+tVuJGZcZnC9mCeB2cW9ItmP9p4Q4B1v0=; b=ceRH0sim1to3AQ+WhwM8ix7yuN/sHNVr2Ypei4YYSdTvAxR2hLJ20dlZ9DSGPsWFwC UihFEECnzkfDNnYDKyifTs34S81Ym1lIPkLVirgjl9xde7gfvq6mzawe1g6pTEG09aYp d9ho5EF5mEGJJT4Gi9ocJFPvciL1nPvSa3MSioP6F4MFJihbyowBkfPdTYfpwb05G8AA 8YDjQgVoZIHF9GuflKB0oRWvUxj3zl475BhlUNK47HmzDP3i5BJcshQEWHnD29T0VUEz yOKLHvdyvBs9GWY7lEDxmhxpaXaVUII+NHuSTi//dIV5Gm3gvX7KdsyA5G20AVujq2yC zRqQ== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=TY3uql6X; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: from howler.vger.email (howler.vger.email. [2620:137:e000::3:4]) by mx.google.com with ESMTPS id a21-20020a056a001d1500b0068e4a646d2csi1747520pfx.252.2023.10.05.09.52.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Oct 2023 09:52:07 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) client-ip=2620:137:e000::3:4; Authentication-Results: mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=TY3uql6X; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by howler.vger.email (Postfix) with ESMTP id B12728083AA9; Thu, 5 Oct 2023 09:50:46 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at howler.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230339AbjJEQuP (ORCPT + 18 others); Thu, 5 Oct 2023 12:50:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231390AbjJEQtE (ORCPT ); Thu, 5 Oct 2023 12:49:04 -0400 Received: from NAM10-MW2-obe.outbound.protection.outlook.com (mail-mw2nam10on2040.outbound.protection.outlook.com [40.107.94.40]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9B3D21717; Thu, 5 Oct 2023 09:41:59 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=F/NAQjqbjT4btflA0tr2Q2bzZwPUjAI4Xsz6GIDYvARWW31iK37L2OOWUKJHliont+DPDlDgHEEx/DpSUdmCTFiUCrhOfstnbfed6GqhTNTUqFb8a6H5BEEmspJdxucAAy5uKIxAzhHm4hVCruY3aKnADsydzPGoT6a+lFDafbtudgeTH4+xUANHqYWGCeKh3DnCs4CxA1ZiX8ACdbFnWtIW9VNssWeH6WTnuDA2AGAQP9r0JXhOPp3LvlQQHjZ9le1RwKswIB4hOqzJ2wkabrZeoT3wiBwxXbKNnZFCpX2VLbWH9t8e+xLTPnHhnlVHcRHUV27jIZwvjRYJFr2NIw== 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=L3ilyPbCZMc9D4qzJENbNGKw8ecAZQwX+PvbXf06TO8=; b=HrSmcsT8VgzbB0Xuh6sYOfiXLaboswaLeu5AKUvGMERJogRTFgdHoAXmGW1zruwev6ojkAvxyoNJ2ERg88LV3iByGSV3UI3It5ZB4ZVt6om6W+J/hwhiVpgIrEAkJqBY1FHLpRk8N58V/VVXPUHpH4OQ8dpWejbDKuJgiE1zAd3yZk9vEeBHe/9S6uChf5ZN0ZI4g15YqLlXPePrMmPwnXD1rLXEpZkfzZHZ1sdbdm0ZJmLZj1eYW4q+bd7rsP5m48pl+Wf+TisQFtGGd5rGC/vpKgR2SDaPkQDS9UVKqZCE7DetOBSX8IkMFyMmtB1ZKwj4FpEwX07tvhWGEE5lyA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=L3ilyPbCZMc9D4qzJENbNGKw8ecAZQwX+PvbXf06TO8=; b=TY3uql6Xr/Di9Djs4gkDTOUDQDQRxujZbEIhAtHcsMPkckrLb+1DLYE0XlGV5LC428r0SrcY4BXyTsx3BtWWSrXk/bE/SCFcYC6hdF5IbXKulZvgShdBDCTdNIwwNrEw3j6BLNXbWxQfis/5A3cerS/0G4ae9KYI4Z775E1Fz/A= Received: from DS7PR05CA0022.namprd05.prod.outlook.com (2603:10b6:5:3b9::27) by SJ2PR12MB8159.namprd12.prod.outlook.com (2603:10b6:a03:4f9::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6838.25; Thu, 5 Oct 2023 16:41:56 +0000 Received: from DS3PEPF000099D8.namprd04.prod.outlook.com (2603:10b6:5:3b9:cafe::dc) by DS7PR05CA0022.outlook.office365.com (2603:10b6:5:3b9::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6863.29 via Frontend Transport; Thu, 5 Oct 2023 16:41:56 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB03.amd.com; pr=C Received: from SATLEXMB03.amd.com (165.204.84.17) by DS3PEPF000099D8.mail.protection.outlook.com (10.167.17.9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6838.14 via Frontend Transport; Thu, 5 Oct 2023 16:41:56 +0000 Received: from SATLEXMB08.amd.com (10.181.40.132) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Thu, 5 Oct 2023 11:41:56 -0500 Received: from SATLEXMB03.amd.com (10.181.40.144) by SATLEXMB08.amd.com (10.181.40.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Thu, 5 Oct 2023 09:41:55 -0700 Received: from xhdthippesw40.xilinx.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server id 15.1.2507.27 via Frontend Transport; Thu, 5 Oct 2023 11:41:52 -0500 From: Thippeswamy Havalige To: , , , CC: , , , , , , , , Thippeswamy Havalige Subject: [PATCH v5 RESEND 1/4] PCI: xilinx-nwl: Remove unnecessary code which updates primary, secondary and sub-ordinate bus numbers Date: Thu, 5 Oct 2023 22:10:48 +0530 Message-ID: <20231005164051.984254-2-thippeswamy.havalige@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231005164051.984254-1-thippeswamy.havalige@amd.com> References: <20231005164051.984254-1-thippeswamy.havalige@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099D8:EE_|SJ2PR12MB8159:EE_ X-MS-Office365-Filtering-Correlation-Id: f1062870-38cb-40be-5cbd-08dbc5c1fd0c 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:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(396003)(136003)(39860400002)(346002)(376002)(230922051799003)(1800799009)(451199024)(186009)(82310400011)(64100799003)(46966006)(40470700004)(36840700001)(356005)(6666004)(82740400003)(81166007)(40480700001)(26005)(2616005)(336012)(426003)(44832011)(70586007)(316002)(8936002)(2906002)(41300700001)(4326008)(1076003)(5660300002)(86362001)(15650500001)(7416002)(70206006)(54906003)(36756003)(8676002)(110136005)(478600001)(47076005)(40460700003)(36860700001)(83380400001)(36900700001)(2101003);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Oct 2023 16:41:56.7081 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f1062870-38cb-40be-5cbd-08dbc5c1fd0c X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099D8.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB8159 X-Spam-Status: No, score=-1.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Thu, 05 Oct 2023 09:50:46 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778935112740969374 X-GMAIL-MSGID: 1778935112740969374 The primary,secondary and sub-ordinate bus number registers are updated by Linux PCI core, so remove code which updates respective fields of type 1 header. Signed-off-by: Thippeswamy Havalige --- changes in v5: - None changes in v4: - None changes in v3: - Remove unnecessary period at end of subject line. - Updated commit message. changes in v2: - Code increasing ECAM Size value is added into a seperate patch. - Modified commit messages. changes in v1: - Modified commit messages. --- drivers/pci/controller/pcie-xilinx-nwl.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c index 176686bdb15c..d8a3a08be1d5 100644 --- a/drivers/pci/controller/pcie-xilinx-nwl.c +++ b/drivers/pci/controller/pcie-xilinx-nwl.c @@ -166,7 +166,6 @@ struct nwl_pcie { int irq_intx; int irq_misc; u32 ecam_value; - u8 last_busno; struct nwl_msi msi; struct irq_domain *legacy_irq_domain; struct clk *clk; @@ -625,7 +624,7 @@ static int nwl_pcie_bridge_init(struct nwl_pcie *pcie) { struct device *dev = pcie->dev; struct platform_device *pdev = to_platform_device(dev); - u32 breg_val, ecam_val, first_busno = 0; + u32 breg_val, ecam_val; int err; breg_val = nwl_bridge_readl(pcie, E_BREG_CAPABILITIES) & BREG_PRESENT; @@ -683,15 +682,6 @@ static int nwl_pcie_bridge_init(struct nwl_pcie *pcie) nwl_bridge_writel(pcie, upper_32_bits(pcie->phys_ecam_base), E_ECAM_BASE_HI); - /* Get bus range */ - ecam_val = nwl_bridge_readl(pcie, E_ECAM_CONTROL); - pcie->last_busno = (ecam_val & E_ECAM_SIZE_LOC) >> E_ECAM_SIZE_SHIFT; - /* Write primary, secondary and subordinate bus numbers */ - ecam_val = first_busno; - ecam_val |= (first_busno + 1) << 8; - ecam_val |= (pcie->last_busno << E_ECAM_SIZE_SHIFT); - writel(ecam_val, (pcie->ecam_base + PCI_PRIMARY_BUS)); - if (nwl_pcie_link_up(pcie)) dev_info(dev, "Link is UP\n"); else