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Thu, 9 Jun 2022 01:24:59 -0700 Received: from [10.140.6.39] (port=37838 helo=xhdsgoud40.xilinx.com) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1nzDTO-0008BE-BH; Thu, 09 Jun 2022 01:24:58 -0700 From: Srinivas Neeli To: , , , , , , , , CC: , , , , , , , Srinivas Neeli Subject: [PATCH V3 1/2] Revert "can: xilinx_can: Limit CANFD brp to 2" Date: Thu, 9 Jun 2022 13:54:32 +0530 Message-ID: <20220609082433.1191060-2-srinivas.neeli@xilinx.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220609082433.1191060-1-srinivas.neeli@xilinx.com> References: <20220609082433.1191060-1-srinivas.neeli@xilinx.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 3fe30a26-81f7-497b-6799-08da49f18d92 X-MS-TrafficTypeDiagnostic: MW2PR02MB3851: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)(40470700004)(46966006)(36840700001)(36756003)(83380400001)(82310400005)(40460700003)(7636003)(508600001)(36860700001)(356005)(8936002)(9786002)(7696005)(8676002)(7416002)(6666004)(5660300002)(4326008)(70586007)(70206006)(110136005)(54906003)(2906002)(6636002)(26005)(47076005)(316002)(426003)(186003)(336012)(2616005)(1076003)(107886003)(44832011)(102446001);DIR:OUT;SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Jun 2022 08:25:03.5443 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3fe30a26-81f7-497b-6799-08da49f18d92 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: DM3NAM02FT003.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR02MB3851 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220609_012509_600821_95899616 X-CRM114-Status: GOOD ( 10.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This reverts commit 05ca14fdb6fe65614e0652d03e44b02748d25af7. On early silicon engineering samples observed bit shrinking issue when we use brp as 1. Hence updated brp_min as 2. As in production silicon this issue is fixed,so reverting the patch. Signed-off-by: Srinivas Neeli --- Changes in V3: -None Changes in V2: -New patch --- drivers/net/can/xilinx_can.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c index 8a3b7b103ca4..e179d311aa28 100644 --- a/drivers/net/can/xilinx_can.c +++ b/drivers/net/can/xilinx_can.c @@ -258,7 +258,7 @@ static const struct can_bittiming_const xcan_bittiming_const_canfd2 = { .tseg2_min = 1, .tseg2_max = 128, .sjw_max = 128, - .brp_min = 2, + .brp_min = 1, .brp_max = 256, .brp_inc = 1, }; @@ -271,7 +271,7 @@ static const struct can_bittiming_const xcan_data_bittiming_const_canfd2 = { .tseg2_min = 1, .tseg2_max = 16, .sjw_max = 16, - .brp_min = 2, + .brp_min = 1, .brp_max = 256, .brp_inc = 1, };