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=-4.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 53782C433ED for ; Thu, 15 Apr 2021 23:45:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 366FD610FA for ; Thu, 15 Apr 2021 23:45:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238092AbhDOXqI (ORCPT ); Thu, 15 Apr 2021 19:46:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47256 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238039AbhDOXp6 (ORCPT ); Thu, 15 Apr 2021 19:45:58 -0400 Received: from mail-pj1-x102d.google.com (mail-pj1-x102d.google.com [IPv6:2607:f8b0:4864:20::102d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8379CC061760; Thu, 15 Apr 2021 16:45:34 -0700 (PDT) Received: by mail-pj1-x102d.google.com with SMTP id t23so12947030pjy.3; Thu, 15 Apr 2021 16:45:34 -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=Si2QMfbQyLWbLgTfPoCpkBS5/xPKKL/YtpVajnarAcI=; b=kJ+NAzxfY/BsEzepP3FS2mXt64Fg+cRrsT6q4kMEbQ9g5aK+OpcfZkw/rcCJT2ikHo wI5ZhVfCkQDcJY5ELSPwcaQ+gN92pkZMxRwbk9KV5fFgPYeO/426kDe2OmyDpqMR77Ks UOXa60lvMI99d+xC3c0V3d1p8C5TZ1OqNAY1pEeQk9jb9agBgOmgjYURHBbb/GntICKU TdlD0cHLqJJLb/m6xzkaeXZ+HEB2GgehE6DiwnBVIJg75IH3mvkN8oKmGE0inGtsQTKV 7JS/SJUufdeAUVbGDjIGWmqjt6hRYcM0Nuy0Sqj8qLaKfQ0lhQTWHJZORd9kzQEgqTts c1Tw== 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=Si2QMfbQyLWbLgTfPoCpkBS5/xPKKL/YtpVajnarAcI=; b=ngtiqYeJX6YbIqn28HRchQ0rYr3UdFBDgVhP8kSwTA3HXT2rfMwWjrjQynCxVOzY8a dTCdlOOnrY/OfvCyvkaUPzkCa9I0j+Q000D9/Sic6w0lP0pid88L6YAo7PNhK8HZVUYY iMoPai6U5P30qPReVicTdVIHr3f2lktCGzS+V1eAkT+b3tjN7aUeN1DHFIh961AB43KV couXOvAazI/HL8tu0X5aYzPEP13x+d4oq1yTLj1+yTsYc3iMs7mx01VxjZemsZRadMvl WI63K2ScEs5njLnXvU3Oo1K2L8b21eaE+ciHA2Cdp53sNbioXd85l+n33t2nm93MEptQ N6qg== X-Gm-Message-State: AOAM530gKX21QBsmOSubdACPqFZYPeiqVc0POhn8+X6Z9DuOgVpRhcLv MdRGlPlbH6bPyONqC3zXZ7Q= X-Google-Smtp-Source: ABdhPJzeqRVyikE4g2NRC6TxUumt+P8SvYO2O62BPk2NkduFoclTNNpxyVloGDdnngdwnYJ3LHdnkg== X-Received: by 2002:a17:902:9685:b029:e9:abc1:7226 with SMTP id n5-20020a1709029685b02900e9abc17226mr6695757plp.64.1618530333787; Thu, 15 Apr 2021 16:45:33 -0700 (PDT) Received: from [10.230.29.202] ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id g10sm2786670pfj.137.2021.04.15.16.45.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 15 Apr 2021 16:45:33 -0700 (PDT) Subject: Re: [PATCH net-next 1/3] dt-bindings: net: add nvmem-mac-address-offset property To: Rob Herring , Andrew Lunn Cc: Michael Walle , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, "David S . Miller" , Jakub Kicinski , Heiner Kallweit , Russell King , Frank Rowand References: <20210414152657.12097-1-michael@walle.cc> <20210414152657.12097-2-michael@walle.cc> <20210415215955.GA1937954@robh.at.kernel.org> From: Florian Fainelli Message-ID: Date: Thu, 15 Apr 2021 16:45:31 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.9.0 MIME-Version: 1.0 In-Reply-To: <20210415215955.GA1937954@robh.at.kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 4/15/2021 2:59 PM, Rob Herring wrote: > On Wed, Apr 14, 2021 at 05:43:49PM +0200, Andrew Lunn wrote: >> On Wed, Apr 14, 2021 at 05:26:55PM +0200, Michael Walle wrote: >>> It is already possible to read the MAC address via a NVMEM provider. But >>> there are boards, esp. with many ports, which only have a base MAC >>> address stored. Thus we need to have a way to provide an offset per >>> network device. >> >> We need to see what Rob thinks of this. There was recently a patchset >> to support swapping the byte order of the MAC address in a NVMEM. Rob >> said the NVMEM provider should have the property, not the MAC driver. >> This does seems more ethernet specific, so maybe it should be an >> Ethernet property? > > There was also this one[1]. I'm not totally opposed, but don't want to > see a never ending addition of properties to try to describe any > possible transformation. If only we could load eBPF bytecode embedded into Device Tree ;) -- Florian