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Thu, 9 Jun 2022 01:24:59 -0700 Envelope-to: git@xilinx.com, wg@grandegger.com, mkl@pengutronix.de, davem@davemloft.net, edumazet@google.com, srinivas.neeli@amd.com, neelisrinivas18@gmail.com, kuba@kernel.org, pabeni@redhat.com, linux-can@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org 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 Content-Transfer-Encoding: 8bit Content-Type: text/plain 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; 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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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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, }; -- 2.25.1