From patchwork Wed Oct 7 21:31:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Kleine-Budde X-Patchwork-Id: 268458 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B27ECC4727E for ; Wed, 7 Oct 2020 21:32:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7E66F2083B for ; Wed, 7 Oct 2020 21:32:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728827AbgJGVcq (ORCPT ); Wed, 7 Oct 2020 17:32:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728760AbgJGVce (ORCPT ); Wed, 7 Oct 2020 17:32:34 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 195D5C0613E1 for ; Wed, 7 Oct 2020 14:32:22 -0700 (PDT) Received: from heimdall.vpn.pengutronix.de ([2001:67c:670:205:1d::14] helo=blackshift.org) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1kQH2q-0005qi-5s; Wed, 07 Oct 2020 23:32:20 +0200 From: Marc Kleine-Budde To: netdev@vger.kernel.org Cc: davem@davemloft.net, linux-can@vger.kernel.org, kernel@pengutronix.de, Srinivas Neeli , Michal Simek , Marc Kleine-Budde Subject: [PATCH 15/17] can: xilinx_can: Limit CANFD brp to 2 Date: Wed, 7 Oct 2020 23:31:57 +0200 Message-Id: <20201007213159.1959308-16-mkl@pengutronix.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201007213159.1959308-1-mkl@pengutronix.de> References: <20201007213159.1959308-1-mkl@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:205:1d::14 X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: netdev@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Srinivas Neeli Bit enlarging is observed for CANFD2.0 when brp is 1, So change brp_min value to 2. Signed-off-by: Srinivas Neeli Signed-off-by: Michal Simek Link: https://lore.kernel.org/r/bca871d7f3ca9c653d50e63c5b60028f2bdf3fb0.1600073396.git.michal.simek@xilinx.com Signed-off-by: Marc Kleine-Budde --- 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 7ae268468d2c..d3c41e6c275d 100644 --- a/drivers/net/can/xilinx_can.c +++ b/drivers/net/can/xilinx_can.c @@ -259,7 +259,7 @@ static const struct can_bittiming_const xcan_bittiming_const_canfd2 = { .tseg2_min = 1, .tseg2_max = 128, .sjw_max = 128, - .brp_min = 1, + .brp_min = 2, .brp_max = 256, .brp_inc = 1, }; @@ -272,7 +272,7 @@ static struct can_bittiming_const xcan_data_bittiming_const_canfd2 = { .tseg2_min = 1, .tseg2_max = 16, .sjw_max = 16, - .brp_min = 1, + .brp_min = 2, .brp_max = 256, .brp_inc = 1, };