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[176.150.251.154]) by smtp.gmail.com with ESMTPSA id b5sm22106684wrp.92.2019.05.22.07.02.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 May 2019 07:02:23 -0700 (PDT) Subject: Re: stmmac / meson8b-dwmac To: Jose Abreu , Simon Huelck , Sebastian Gottschall , Jerome Brunet , Martin Blumenstingl Cc: "linux-amlogic@lists.infradead.org" , "netdev@vger.kernel.org" , "alexandre.torgue@st.com" , Emiliano Ingrassia , "Gpeppe.cavallaro@st.com" References: <45e73e8c-a0fb-6f8f-8dc6-3aa2103fdda3@gmx.de> <4493b245-de93-46cd-327b-8091a3babc3a@gmx.de> <244d7c74-e0ca-a9c7-f4b0-3de7bec4024b@gmx.de> <1426d8ed40be0927c135aff25dcf989a11326932.camel@baylibre.com> <9074d29b-4cc9-87b6-009f-48280a4692c0@gmx.de> <8ec64936-c8fa-1f0e-68bf-2ad1d6e8f5d9@gmx.de> <3a040370-e7e5-990e-81dc-8e9bb0ab7761@gmx.de> <12d1d6de-2905-46a8-6481-d6f20c8e9d85@gmx.de> <2c4d9726-6c2a-cd95-0493-323f5f09e14a@synopsys.com> <2d7a5c80-3134-ebc0-3c44-9ca9900eade8@gmx.de> <78EB27739596EE489E55E81C33FEC33A0B91BAAE@DE02WEMBXB.internal.synopsys.com> From: Neil Armstrong Openpgp: preference=signencrypt Autocrypt: addr=narmstrong@baylibre.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <78EB27739596EE489E55E81C33FEC33A0B91BAAE@DE02WEMBXB.internal.synopsys.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi Jose, On 13/05/2019 11:07, Jose Abreu wrote: > From: Simon Huelck > Date: Sat, May 11, 2019 at 15:53:34 > >> ethtool -S gave me some counts for mmc_rx_fifo_overflow, which i didnt >> recognize before. > > Flow Control can prevent this to happen. Please check if your DT FIFO > bindings are >= 4096. Actually our DT node minimalist : ethmac: ethernet@c9410000 { compatible = "amlogic,meson-gxbb-dwmac", "snps,dwmac-3.710", "snps,dwmac"; reg = <0x0 0xc9410000 0x0 0x10000 0x0 0xc8834540 0x0 0x4>; interrupts = ; interrupt-names = "macirq"; }; (I removed pinctrl, clocks and reset) The dwmac bindings are quite complex, and we aren't sure how to describe correctly the HW. Could you point us on the right direction ? Thanks, Neil > >> Do we have new ideas / new direction to dig for ? > > GIT Bisect is the best direction to follow. > > Thanks, > Jose Miguel Abreu > _______________________________________________ > linux-amlogic mailing list > linux-amlogic@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-amlogic > 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=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=ham 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 9448FC282CE for ; Wed, 22 May 2019 14:02:35 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6987A20675 for ; Wed, 22 May 2019 14:02:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="DtfJhjV1"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="jnIr2mmt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6987A20675 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=FwslbfDQVDtjhW/Okv7/2qt/luzzJWdTcadcOVc2tVc=; b=DtfJhjV1rsdR77 1hJoK6uvkmc/fB0IM1JZEwjWsXLWLGAE5XttO5yGf0xD8HoHjnqnuxEkeNeOILOPYXPeHcZ93AkC7 RIBnZ3LVQ/ImXjrnZUCKqV+rGRAZr0NLF3t9EWS5ocEas7zKFam1LEq1IA2KT2gCt3D7cOsO2OGb4 zQedguvTgcTR+O87tQL6TuYNj0Cpb5DIOn/nkL10FaCI0XYIVpBjOyFnJG5XpIkccMZ/oZ0lrEDMl D3TcAxIBLgjsf6StYNOJ0u7yha3q9mJoxRg+DFVNn2K/zLciCFB/Kk6etAI97AvfFaEUcSBfndja+ Iu/iiPasxV9oSYAXgNYw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hTRp7-0005gv-MG; Wed, 22 May 2019 14:02:29 +0000 Received: from mail-wm1-x32c.google.com ([2a00:1450:4864:20::32c]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hTRp4-0005gQ-DO for linux-amlogic@lists.infradead.org; Wed, 22 May 2019 14:02:28 +0000 Received: by mail-wm1-x32c.google.com with SMTP id q15so2361189wmj.0 for ; Wed, 22 May 2019 07:02:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:openpgp:autocrypt:organization :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=T0M3D2HyerFUgKU2XEt7ei+XEe6i7VJ5ejF1BnYdVQI=; b=jnIr2mmt27FafmbISdX1eYOrE/rnpnhslTA5S5M79eOe9958obGO6E43XaoMpy9hOg kB1oEU5hzNyaxFRqIVBGpWNh8IyJeYCYLTddCORlgR0+dF/PaYo95sdSBseXA+XgIT/2 zIgZ0D7lViF8LVv8XakegG0FLNKbTJveZT5rDciW3WKqlvpS41ZduBtWvrXacTqJ9OHA 5MeysPk7XemQuvkE9x578ZttWVOmz9eYcRkrum2SnPJ8epVQ9pW6C8x2U4Hw+q1xWa4V a/H7WrnSrlf1rZZB6cyqDmz/T9J8UjzGMcxxH4Gcj98fVy41oLtbGV9BsJO5tzcOyJwV t2OA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:autocrypt :organization:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=T0M3D2HyerFUgKU2XEt7ei+XEe6i7VJ5ejF1BnYdVQI=; b=ueM7iJCJhGqL/afllY+NKOQRpIeZe5G514Q4KcwgDjRHHK/TKl1EdftwVttvs/Y+xS SrH4LaAnCgKdVgAgyfFouclcBTY4SNsP3uhqRjdC28xDOAswT0sTp9yhe6lEGHn+3Gbt stUD65bBslFfIKsTx+8UxuInPPK3Ja6ex1/LE4U+PHczpwJ96DwxxsD0HCnMa3Q0VnLe rx0gXKulienNQlsp5ZeLGbr3jiyi4Hqj8U9ekPvNlaEG4pe9FdTNNHn1sR0984EWyESl QD3mwxjwzRFRjQTOcqzMDcTrRBpSG/dOq1k89+BNZqfGFKkDz6PCsG6GG5Ni8a7r1Fpo xG1Q== X-Gm-Message-State: APjAAAUliexKKYSrkxzyS60/ojR9sYmt8z7kFS8J1wT5TrMHaah5w7B5 g7k6M13l/PsHC52/WwiJvEPZ0tEuK8Kynw== X-Google-Smtp-Source: APXvYqwYB40f5Bv+iHtf+u/6+XT/6NCyKXP+8yPJ6pSHtQZ8q11mwWx9VE54VwFUxpVHtQxFJOgbSQ== X-Received: by 2002:a7b:ce06:: with SMTP id m6mr7753432wmc.80.1558533744352; Wed, 22 May 2019 07:02:24 -0700 (PDT) Received: from [192.168.1.62] (wal59-h01-176-150-251-154.dsl.sta.abo.bbox.fr. [176.150.251.154]) by smtp.gmail.com with ESMTPSA id b5sm22106684wrp.92.2019.05.22.07.02.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 May 2019 07:02:23 -0700 (PDT) Subject: Re: stmmac / meson8b-dwmac To: Jose Abreu , Simon Huelck , Sebastian Gottschall , Jerome Brunet , Martin Blumenstingl References: <45e73e8c-a0fb-6f8f-8dc6-3aa2103fdda3@gmx.de> <4493b245-de93-46cd-327b-8091a3babc3a@gmx.de> <244d7c74-e0ca-a9c7-f4b0-3de7bec4024b@gmx.de> <1426d8ed40be0927c135aff25dcf989a11326932.camel@baylibre.com> <9074d29b-4cc9-87b6-009f-48280a4692c0@gmx.de> <8ec64936-c8fa-1f0e-68bf-2ad1d6e8f5d9@gmx.de> <3a040370-e7e5-990e-81dc-8e9bb0ab7761@gmx.de> <12d1d6de-2905-46a8-6481-d6f20c8e9d85@gmx.de> <2c4d9726-6c2a-cd95-0493-323f5f09e14a@synopsys.com> <2d7a5c80-3134-ebc0-3c44-9ca9900eade8@gmx.de> <78EB27739596EE489E55E81C33FEC33A0B91BAAE@DE02WEMBXB.internal.synopsys.com> From: Neil Armstrong Openpgp: preference=signencrypt Autocrypt: addr=narmstrong@baylibre.com; prefer-encrypt=mutual; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <78EB27739596EE489E55E81C33FEC33A0B91BAAE@DE02WEMBXB.internal.synopsys.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190522_070226_497875_4987A6F4 X-CRM114-Status: GOOD ( 11.45 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "linux-amlogic@lists.infradead.org" , "Gpeppe.cavallaro@st.com" , "alexandre.torgue@st.com" , Emiliano Ingrassia , "netdev@vger.kernel.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Hi Jose, On 13/05/2019 11:07, Jose Abreu wrote: > From: Simon Huelck > Date: Sat, May 11, 2019 at 15:53:34 > >> ethtool -S gave me some counts for mmc_rx_fifo_overflow, which i didnt >> recognize before. > > Flow Control can prevent this to happen. Please check if your DT FIFO > bindings are >= 4096. Actually our DT node minimalist : ethmac: ethernet@c9410000 { compatible = "amlogic,meson-gxbb-dwmac", "snps,dwmac-3.710", "snps,dwmac"; reg = <0x0 0xc9410000 0x0 0x10000 0x0 0xc8834540 0x0 0x4>; interrupts = ; interrupt-names = "macirq"; }; (I removed pinctrl, clocks and reset) The dwmac bindings are quite complex, and we aren't sure how to describe correctly the HW. Could you point us on the right direction ? Thanks, Neil > >> Do we have new ideas / new direction to dig for ? > > GIT Bisect is the best direction to follow. > > Thanks, > Jose Miguel Abreu > _______________________________________________ > linux-amlogic mailing list > linux-amlogic@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-amlogic > _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic