From mboxrd@z Thu Jan 1 00:00:00 1970 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=-5.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 EBEA0C433DB for ; Mon, 1 Mar 2021 21:36:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A9665600EF for ; Mon, 1 Mar 2021 21:36:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240693AbhCAVfx (ORCPT ); Mon, 1 Mar 2021 16:35:53 -0500 Received: from mxwn13.webd.pl ([194.181.228.67]:32832 "EHLO mxwn13.webd.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240989AbhCAVcF (ORCPT ); Mon, 1 Mar 2021 16:32:05 -0500 Received: from wn13.int.webd ([192.168.101.113] helo=wn13.webd.pl) by mta01.webd.pl with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.3) (envelope-from ) id 1lGq8O-0007y7-Sb; Mon, 01 Mar 2021 22:31:20 +0100 Received: from [192.168.101.231] (port=56654 helo=mta01.int.webd) by wn13.webd.pl with esmtp (Exim 4.93) (envelope-from ) id 1lGq8O-0007xT-QB; Mon, 01 Mar 2021 22:31:20 +0100 X-Quarantine-ID: X-Virus-Scanned: amavisd-new at mxwn13.webd.pl Received: from wn13.webd.pl ([192.168.101.113]) by mta01.int.webd (mxwn13.webd.pl [192.168.101.200]) (amavisd-new, port 10134) with ESMTP id E4sbbMchn9DT; Mon, 1 Mar 2021 22:31:20 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xtrack.com; s=default; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:MIME-Version :Date:Message-ID:From:References:Cc:To:Subject:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=QIgReb5zRoOpUPVJyihwqxW00SA1y59k9VlSCzA0rN8=; b=ICz80VJe2H0W93tDVTYCS3k/Nb 1b0k1OtPsAlXLD2UGCNVz3Eumf37hmLoHbDcc8A1TVoxalE7X8TA77qVbcZ5EGjyFpCp0ZfPWEE1u LVoE3l0Ilu3ZE3G89oqzAh9zu/4+9HQoId3zINCCiIbkfseW2wb2riFc3SSYC1zoz8tNywC3EK/Gz d4ZnLxUcaSJKkENdstiCn9CFHEBai1G8QpyC5YnafZuOkEFICNOuD/KsvwL9oEviPwIbdMyybhgmp 4aB+LuhLkXWmxWMg50+Hey5eF1o0Q2IkLWerencW3b80vhkn3JRQrBnKHrVMHAPUo/0NJwTd7p+mH Yy4iFODg==; Received: from [185.241.198.130] (port=62483 helo=[192.168.32.4]) by wn13.webd.pl with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.93) (envelope-from ) id 1lGq8O-0000Sb-Gf; Mon, 01 Mar 2021 22:31:20 +0100 Subject: Re: m_can: a lot of 'Rx FIFO 0 Message Lost' in dmesg To: Torin Cooper-Bennun Cc: "linux-can@vger.kernel.org" References: <20210226133702.echxlob5z4pj5ptc@bigthink> <20210301141406.bnrqqkbfnq523ofb@bigthink> From: Mariusz Madej Message-ID: <0b1e3e50-8189-9976-2b6b-7a4ab84c1af2@xtrack.com> Date: Mon, 1 Mar 2021 22:31:19 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 MIME-Version: 1.0 In-Reply-To: <20210301141406.bnrqqkbfnq523ofb@bigthink> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-can@vger.kernel.org On 3/1/21 3:14 PM, Torin Cooper-Bennun wrote: > Thank you Mariusz, you've helped me understand this driver better - I > had missed some of the logic. I agree that this is a bug. Thank You for your feedback. I am glad we could help each other. > Your fix makes sense to me. If you submit a patch to the linux-can list, > it will probably be reviewed quickly. (Don't bother to CC Dan Murphy > though, as his address listed in MAINTAINERS bounces mail.) > I just send a patch. We will see. Regards, Mariusz