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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 77488C83000 for ; Wed, 29 Apr 2020 21:29:51 +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 4712520787 for ; Wed, 29 Apr 2020 21:29:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="PxLY0OZF"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="gXPH7oCr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4712520787 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lunn.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=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:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=gNezUUYtwdh4RmiQj0GR1UHA170S3LFGOS0gaOTIN/E=; b=PxLY0OZFlSL8Uv CMt9wmfY6BPR+/fLRC+tmEc29NTv3za0+4+DnUphvzWpLNu1mT6E2qp6mi/IafhJ2/ZZqqDbV2zmV ccotSXKNCdvuIjrZwTF4ZPHl63KmVyAGOHWx+U5FKM2owDxitTnqM0abtX4C/SOhGaG5Ngmzna9WM QuaI5GVUGxWIzA4+dAhDXZHyZ9JKwH4tGGLDNH11wvrfKfOEpi6wHFeeFA7czP5q3EX/mPgDzcv+O g4kjccDS+9g6izkuz5Whv8ImYz2CkL19Tl3icEYIuWUrho2bouzNLroYK5MVfklt9Mmli3Neg7R8S AGimZ5OoNYsJmBIpM/fw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTuH6-0007nz-KO; Wed, 29 Apr 2020 21:29:48 +0000 Received: from vps0.lunn.ch ([185.16.172.187]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTuH2-0007lX-Vx; Wed, 29 Apr 2020 21:29:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding: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=ehAF5VJKlo6UElUpdCPqKU/hhwZxb3s8IJbl7lMP8jU=; b=gXPH7oCruVVWWeaOWFGwA4pm/n QF4m36glwEcwVh2Bb98/eY9snKBd52heUHGFf8+aXqtVT3WG82JcyjGkWkh77WdwqoUpMgUd0/My9 e+cpUxQc/kkL5FJhrsZsuafeuFua40IXiztBYAzYe8OvgYyTbPnfFnu7U+qSNEt7Q9C0=; Received: from andrew by vps0.lunn.ch with local (Exim 4.93) (envelope-from ) id 1jTuGr-000KLe-7W; Wed, 29 Apr 2020 23:29:33 +0200 Date: Wed, 29 Apr 2020 23:29:33 +0200 From: Andrew Lunn To: Martin Blumenstingl Subject: Re: [PATCH RFC v2 00/11] dwmac-meson8b Ethernet RX delay configuration Message-ID: <20200429212933.GA76972@lunn.ch> References: <20200429201644.1144546-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200429201644.1144546-1-martin.blumenstingl@googlemail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200429_142945_028875_45ECA3B4 X-CRM114-Status: UNSURE ( 6.68 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, f.fainelli@gmail.com, jianxin.pan@amlogic.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, linux-amlogic@lists.infradead.org, davem@davemloft.net, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org > - Khadas VIM2 seems to have the RX delay built into the PCB trace > length. When I enable the RX delay on the PHY or MAC I can't get any > data through. I expect that we will have the same situation on all > GXBB, GXM, AXG, G12A, G12B and SM1 boards Hi Martin Can you actually see this on the PCB? The other possibility is that the bootloader is configuring something, which is not getting overridden when linux starts up. Andrew _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel