From patchwork Sun Jan 2 15:58:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 12702272 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D93E7C4332F for ; Sun, 2 Jan 2022 15:58:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233357AbiABP6X (ORCPT ); Sun, 2 Jan 2022 10:58:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233335AbiABP6W (ORCPT ); Sun, 2 Jan 2022 10:58:22 -0500 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10BB9C061784 for ; Sun, 2 Jan 2022 07:58:20 -0800 (PST) Received: by mail-ed1-x530.google.com with SMTP id bm14so127188863edb.5 for ; Sun, 02 Jan 2022 07:58:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=OYdnWQTNQSkylqwGU9DXv097uGOIIbNIJox9C8EV798=; b=nPEm77WvYKR2bAuCELb6hDDj+BAogUAEoG0cTdk26QKla9SJ/K5GcQp6JK4qseNlLh ynCr0FEyuN9+JFK6l9ZYCzUOlcnUAhZKOfn1N+rHPKylr5vXskx4dClVu++IVn534dX1 4pTIETDYTpcEc7k4eyzc9pCw1RYNrDcSQZZmQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=OYdnWQTNQSkylqwGU9DXv097uGOIIbNIJox9C8EV798=; b=TpPbQrjOh7QV+ibalRH0DDYvsgQO66GN8o7JEofEzn2ADeVXMLTPc/mML3Av/j5Wr/ asi1rKImHu/EUn4yvocuWDd3GT0DLtkWc3O2Y/cpKzUWD14DtGCKpCE2FWCBNzN2+cno NPa8fUH3CNNifKAWaUDJ81QnDns+e+ye9lUyyhK7IW6l2ZN2OSf9t/Oay1AiujQ26siy 4YRkaWcwe9MVTF8yjn8zv2k7F/rxxwOGCsm9wKgMypMCZrpL6uKNUVDZQczuYMQ4c/QC leEcgTZhPs2/HzXIhgt1LgHmrB3yYzDyUqMFiLK6jDIIrsT93XqWpu8YcyP2YL4AeyWM KfHQ== X-Gm-Message-State: AOAM53144/7nLFNHlyt5KdS7k//Verc+XV6suUKcoi2xbFrE6wOvFj0q oYViM6mrqPuMylcRijhkjfL0YQ== X-Google-Smtp-Source: ABdhPJxs8ZXgg/b3bjvdNyPvKVD2JxQZJjYct8hwUTCt/YFUKUbmE7jl8MO1UjphdsF29E6CygnLKg== X-Received: by 2002:a17:906:c110:: with SMTP id do16mr31724548ejc.743.1641139098569; Sun, 02 Jan 2022 07:58:18 -0800 (PST) Received: from dario-ThinkPad-T14s-Gen-2i.homenet.telecomitalia.it (host-95-244-92-231.retail.telecomitalia.it. [95.244.92.231]) by smtp.gmail.com with ESMTPSA id j13sm9025584edw.89.2022.01.02.07.58.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 Jan 2022 07:58:18 -0800 (PST) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Dario Binacchi , Michael Nazzareno Trimarchi , "David S. Miller" , Jakub Kicinski , Marc Kleine-Budde , Wolfgang Grandegger , linux-can@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH] can: flexcan: switch the i.MX series to timestamp based rx-offload Date: Sun, 2 Jan 2022 16:58:13 +0100 Message-Id: <20220102155813.1646746-1-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org As explained by commit b3cf53e988ce ("can: flexcan: add support for timestamp based rx-offload"), the controller has 64 message buffers but it uses only 6 for reception. Enabling timestamp mode, instead of FIFO, allows you to use the maximum number of messages for reception. Signed-off-by: Dario Binacchi Signed-off-by: Michael Nazzareno Trimarchi --- drivers/net/can/flexcan.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 12b60ad95b02..40a6611b5d6e 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -397,11 +397,13 @@ static const struct flexcan_devtype_data fsl_p1010_devtype_data = { static const struct flexcan_devtype_data fsl_imx25_devtype_data = { .quirks = FLEXCAN_QUIRK_BROKEN_WERR_STATE | - FLEXCAN_QUIRK_BROKEN_PERR_STATE, + FLEXCAN_QUIRK_BROKEN_PERR_STATE | + FLEXCAN_QUIRK_USE_OFF_TIMESTAMP, }; static const struct flexcan_devtype_data fsl_imx28_devtype_data = { - .quirks = FLEXCAN_QUIRK_BROKEN_PERR_STATE, + .quirks = FLEXCAN_QUIRK_BROKEN_PERR_STATE | + FLEXCAN_QUIRK_USE_OFF_TIMESTAMP, }; static const struct flexcan_devtype_data fsl_imx6q_devtype_data = {