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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 947B9C433E0 for ; Wed, 13 May 2020 15:23:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A7F09207F5 for ; Wed, 13 May 2020 15:23:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ktSXpuEI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389135AbgEMPXs (ORCPT ); Wed, 13 May 2020 11:23:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44978 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731638AbgEMPXs (ORCPT ); Wed, 13 May 2020 11:23:48 -0400 Received: from mail-wm1-x32f.google.com (mail-wm1-x32f.google.com [IPv6:2a00:1450:4864:20::32f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6F4BC061A0C; Wed, 13 May 2020 08:23:47 -0700 (PDT) Received: by mail-wm1-x32f.google.com with SMTP id d207so9188839wmd.0; Wed, 13 May 2020 08:23:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=aP5RqJaHjw0SSvS8jFa4SufpVRHV3wMOfmjoi5Yc1f4=; b=ktSXpuEIWmOyZetJtmtSOLnT96UirVaLdRpcXWTE/gYQC1WX1lHtfWkkUtx3Kfvp0S RL0FBNdf5vCW2FR41NIuumOgKvTuRUjtFFS/fA2Yphvfhpc4c6vHIuyy054G1B67Clz/ Zqf0aNveo38QkOin7+9hk1I9AxhhNxfybUbb8CtvSQSXOxu/0KmHavMD3kiZlx04xwB8 F3DhQX60hJ4YWPRdI5cmLK+U/WrFzCsOPHO1z4jKgROLch25aU4EiGazMvSmRKXEcrff TSWqovL29eEUyHBp8T5smBLlqePqhRdgFfW/1yoXCgvZI5PAkLcK6wQRY6EqqsLt7LOe 3MPw== 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:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=aP5RqJaHjw0SSvS8jFa4SufpVRHV3wMOfmjoi5Yc1f4=; b=WDif4wpAROpbSq77A1ZLhqUhT3xtOjOn09zmqcCjwHih8x9KuHaq/UcteyYDzBGdXA 30lIjjsFHkLuiDghK//IUC2G5daMstFwLiMwz2BBsvjEXyheuHOkG9D+0P6Ryriwg28/ 67KtAC918es6ppqA6Q+wZPBCqBYL09AZzT0r0hsXU1Mj+1iNDEWv8EeLjavI9aHuSBcp 2dXu/371LkdFnskzzTFlDTlQDLPpPpVhYkR1MyK4a45SwtxgVfVOOV0Y2Ul6qJu6g4cW ja1usf8DxVsAFTrjCQtKYGfhoDZjVsLRs3J6EO08jYS97A31o7UoOD9NoDW8VB+mtTad Vb5Q== X-Gm-Message-State: AGi0PubjhkEl1AOJ2yPMc4oYcPGdR02lxHmzLd5MyHbCgwBR6v7hqIfN GQuc+ad94muwzq7oNu2Ezq4= X-Google-Smtp-Source: APiQypIa+86lv9x3CvtVmHtTwH5kxANcv58nv4VNDEBhX9EOGhGzbMBwX6Z3SwoBXqiXgPA8mEKURA== X-Received: by 2002:a7b:c5d4:: with SMTP id n20mr45268150wmk.92.1589383426466; Wed, 13 May 2020 08:23:46 -0700 (PDT) Received: from [10.230.188.43] ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id b2sm25421028wrm.30.2020.05.13.08.23.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 13 May 2020 08:23:45 -0700 (PDT) Subject: Re: [PATCH v1] net: phy: at803x: add cable test support To: Oleksij Rempel , Andrew Lunn , Heiner Kallweit , Michael Walle Cc: "David S. Miller" , kernel@pengutronix.de, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Russell King References: <20200513120648.14415-1-o.rempel@pengutronix.de> From: Florian Fainelli Message-ID: <0c80397b-58b8-0807-0b98-695db8068e25@gmail.com> Date: Wed, 13 May 2020 08:23:42 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Firefox/68.0 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200513120648.14415-1-o.rempel@pengutronix.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/13/2020 5:06 AM, Oleksij Rempel wrote: > The cable test seems to be support by all of currently support Atherso > PHYs, so add support for all of them. This patch was tested only on > AR9331 PHY with following results: > - No cable is detected as short > - A 15m long cable connected only on one side is detected as 9m open. > - A cable test with active link partner will provide no usable results. How does this relate to Michael's recent work here: https://www.spinics.net/lists/kernel/msg3509304.html -- Florian