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Thu, 9 Jun 2022 07:59:11 +0000 Received: from xsj-pvapexch02.xlnx.xilinx.com (172.19.86.41) by xsj-pvapexch02.xlnx.xilinx.com (172.19.86.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.14; Thu, 9 Jun 2022 00:59:11 -0700 Received: from smtp.xilinx.com (172.19.127.96) by xsj-pvapexch02.xlnx.xilinx.com (172.19.86.41) with Microsoft SMTP Server id 15.1.2176.14 via Frontend Transport; Thu, 9 Jun 2022 00:59:11 -0700 Envelope-to: helgaas@kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, lorenzo.pieralisi@arm.com, bhelgaas@google.com, robh@kernel.org Received: from [10.254.241.50] (port=57120) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1nzD4R-0001e0-2P; Thu, 09 Jun 2022 00:59:11 -0700 Message-ID: Date: Thu, 9 Jun 2022 09:59:08 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH v4 2/2] PCI: xilinx-cpm: Add support for Versal CPM5 Root Port Content-Language: en-US To: Bjorn Helgaas , Bharat Kumar Gogada CC: , , , , , References: <20220608191437.GA411770@bhelgaas> From: Michal Simek In-Reply-To: <20220608191437.GA411770@bhelgaas> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 5cb9d3c7-139c-42d2-4aad-08da49edf078 X-MS-TrafficTypeDiagnostic: CY4PR02MB2312:EE_ X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply 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:149.199.62.198;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:xsj-pvapexch02.xlnx.xilinx.com;PTR:unknown-62-198.xilinx.com;CAT:NONE;SFS:(13230001)(4636009)(36840700001)(40470700004)(46966006)(426003)(70586007)(4744005)(9786002)(47076005)(82310400005)(8676002)(5660300002)(4326008)(186003)(8936002)(31686004)(336012)(7636003)(83380400001)(2616005)(70206006)(26005)(36860700001)(2906002)(6666004)(356005)(44832011)(36756003)(53546011)(316002)(508600001)(31696002)(54906003)(6636002)(110136005)(40460700003)(50156003)(43740500002);DIR:OUT;SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Jun 2022 07:59:11.6057 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5cb9d3c7-139c-42d2-4aad-08da49edf078 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.62.198];Helo=[xsj-pvapexch02.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: DM3NAM02FT009.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR02MB2312 X-Spam-Status: No, score=-3.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham 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 On 6/8/22 21:14, Bjorn Helgaas wrote: > On Wed, Jun 08, 2022 at 10:10:46PM +0530, Bharat Kumar Gogada wrote: >> Xilinx Versal Premium series has CPM5 block which supports Root Port >> functioning at Gen5 speed. >> >> Xilinx Versal CPM5 has few changes with existing CPM block. >> - CPM5 has dedicated register space for control and status registers. >> - CPM5 legacy interrupt handling needs additional register bit >> to enable and handle legacy interrupts. >> >> Signed-off-by: Bharat Kumar Gogada >> --- >> drivers/pci/controller/pcie-xilinx-cpm.c | 33 +++++++++++++++++++++++- >> 1 file changed, 32 insertions(+), 1 deletion(-) > > Per MAINTAINERS, xilinx-cpm lacks a maintainer. Can we get one? Bharat should become maintainer for this driver. My fragment should cover xilinx things in general in case Bharat is not available. Thanks, Michal