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Wed, 26 Jun 2019 23:21:06 -0700 Received: from [172.23.37.92] (helo=xhdharinik40.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1hgNmK-0007mn-GI; Wed, 26 Jun 2019 23:21:04 -0700 From: Harini Katakam To: nicolas.ferre@microchip.com, davem@davemloft.net, richardcochran@gmail.com, claudiu.beznea@microchip.com, rafalo@cadence.com, andrei.pistirica@microchip.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, michal.simek@xilinx.com, harinikatakamlinux@gmail.com, harini.katakam@xilinx.com Subject: [PATCH 0/2] Sub ns increment fixes in Macb PTP Date: Thu, 27 Jun 2019 11:50:58 +0530 Message-Id: <1561616460-32439-1-git-send-email-harini.katakam@xilinx.com> X-Mailer: git-send-email 2.7.4 X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.100;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(346002)(376002)(136003)(39860400002)(396003)(2980300002)(189003)(199004)(9786002)(186003)(63266004)(4326008)(8676002)(81156014)(316002)(44832011)(16586007)(305945005)(2906002)(50226002)(478600001)(26005)(8936002)(77096007)(81166006)(47776003)(486006)(107886003)(7696005)(48376002)(106002)(4744005)(2616005)(51416003)(36756003)(476003)(336012)(6666004)(356004)(70206006)(70586007)(5660300002)(50466002)(126002)(426003)(36386004)(5001870100001);DIR:OUT;SFP:1101;SCL:1;SRVR:BL0PR02MB3731;H:xsj-pvapsmtpgw02;FPR:;SPF:Pass;LANG:en;PTR:xapps1.xilinx.com,unknown-60-100.xilinx.com;MX:1;A:1; MIME-Version: 1.0 Content-Type: text/plain X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: af1e7efa-ab20-4cd1-2898-08d6fac7a955 X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(4709080)(1401327)(2017052603328);SRVR:BL0PR02MB3731; X-MS-TrafficTypeDiagnostic: BL0PR02MB3731: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:9508; X-Forefront-PRVS: 008184426E X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam-Message-Info: frGW2ceLnaCckf0ME8RdNiCKDQb3VNKULqcHW9S8K50jECSwrEpuB9cro734RGDi7a5M4mhL5URV5Y2TlntW7IPd83NYMqILkMkPWkHRONXs2mmC0AFg6/yUh72OO8xjyZ/4eLYqqtTJSHBqbNE0MXe/FxMY9afe5nmBjKZOvwETVwxu5pCXwjzsKtOptnBQnthMGQIKjR3epPAobeqOO1oKDeLzrIha+CACRSIUGiFddjGGbg9Vb2bd/Gr8lqSnPPF3vnZPwNTDZP8jAxcMQEm/TuqryPHw+PNyzP1w2/j8kxUPhEoFhc6em5obBGDxDA+UqNHa6HnlYj6keQP1q4mQ702xC2i/HYNDIeCSo+6ZYboeUlCocfTXZYpZUAJgVNsU0CMD2EQ37OIcjNcA+Q5XAttJU//R+IwX/f5G5Jw= X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jun 2019 06:21:16.4158 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: af1e7efa-ab20-4cd1-2898-08d6fac7a955 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.60.100];Helo=[xsj-pvapsmtpgw02] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR02MB3731 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The subns increment register fields are not captured correctly in the driver. Fix the same and also increase the subns incr resolution. Sub ns resolution was increased to 24 bits in r1p06f2 version. To my knowledge, this PTP driver, with its current BD time stamp implementation, is only useful to that version or above. So, I have increased the resolution unconditionally. Please let me know if there is any IP versions incompatible with this - there is no register to obtain this information from. Changes from RFC: None Harini Katakam (2): net: macb: Add separate definition for PPM fraction net: macb: Fix SUBNS increment and increase resolution drivers/net/ethernet/cadence/macb.h | 9 ++++++++- drivers/net/ethernet/cadence/macb_ptp.c | 7 +++++-- 2 files changed, 13 insertions(+), 3 deletions(-) -- 2.7.4