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=-9.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 AB98CC433E4 for ; Mon, 22 Mar 2021 03:31:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 935D661931 for ; Mon, 22 Mar 2021 03:31:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229999AbhCVDau (ORCPT ); Sun, 21 Mar 2021 23:30:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48432 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229941AbhCVDaO (ORCPT ); Sun, 21 Mar 2021 23:30:14 -0400 Received: from mail-pg1-x52b.google.com (mail-pg1-x52b.google.com [IPv6:2607:f8b0:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 110F7C061574; Sun, 21 Mar 2021 20:30:12 -0700 (PDT) Received: by mail-pg1-x52b.google.com with SMTP id v3so7733296pgq.2; Sun, 21 Mar 2021 20:30:12 -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=YC55n+nEQVXWx2jWMnvmQnF5PDmoYdD2StH0ZPzYESE=; b=ngiALxpO6zUsiAPQy3oR0GiT54vhutwDNc247RMHNWbOQ9XCnQus1mjUtZEmNNXySr ozhI3Ewg3hMMNgMVa/YDHph27Ak2wI+mlrcA3mn+um/ZgaIhV4+0JL6VPR1/f1yYMk+s e0TT+SFLJVRO7QAbL6aVG6wnRMliBDG8NuO5b+ml7yQxKZHAEmH+XhuijBCDq4xCXyCd aGXqPE+J8mEb24oL6abR6AucfHLiEzJcZdWTmheudDGooDLYS3G1sHLSK7mqeGBe0rgR Y+ecaVd9cA0P7KBCiRQxGBihawCsaqwtGtHadp13ZhpRQnpRehKUA10QByATfC5tVZK6 MGeQ== 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=YC55n+nEQVXWx2jWMnvmQnF5PDmoYdD2StH0ZPzYESE=; b=EyWygjZGR5V3xoYsBY9Mx1BPD1bUeXLmNA3/yMnWgYg/kfjWsVSSgVtYeCNtQqHvzD Tfu2bM1H7NEE/vdVjS7WwhXjjvv8LTL3fJtazj7FhtOZ3UPoeoFUeevIA0pWLUTcLlxm ihJCODXzEXdLhg2BcF5MJgKCuxRQR4eTGpDyp9PsTx377a1DI9r4hmSp9k0Yfq+7g87t pk1ptcpxIIgGlELCuSP09vXiM/5AxlLW4btCnee5Ch6kYG2zChZk+P4CNM1wc2MZi8hY 7vX5XmZgYkTTOzu4gZpf9ckKOEtggvZ6pqTBUailEl1TtwoTV5egLyi8HGJbZESLkxYM /aWQ== X-Gm-Message-State: AOAM530+DwSwvP+THtTFBIlnCg3yzmwMee9uEhtydhMiEPX4yW8MZG/V 5eY1aBmg7VqRTKOSgTojkE1F7Y8RZJM= X-Google-Smtp-Source: ABdhPJxikkODGWqC6H/nFrMgDo437J9DOX54/CKLLhSXZw7jbQdoT3eH3eX2K2YaF2D5gp4zwImtxw== X-Received: by 2002:aa7:9e5b:0:b029:1f1:5ba4:57a2 with SMTP id z27-20020aa79e5b0000b02901f15ba457a2mr19647252pfq.59.1616383811020; Sun, 21 Mar 2021 20:30:11 -0700 (PDT) Received: from [10.230.29.202] ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id b24sm10824272pgj.58.2021.03.21.20.30.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 21 Mar 2021 20:30:10 -0700 (PDT) Subject: Re: [PATCH v3 2/3] net: ethernet: actions: Add Actions Semi Owl Ethernet MAC driver To: Cristian Ciocaltea , "David S. Miller" , Andrew Lunn , Jakub Kicinski , Rob Herring , =?UTF-8?Q?Andreas_F=c3=a4rber?= , Manivannan Sadhasivam , Philipp Zabel Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-actions@lists.infradead.org, linux-kernel@vger.kernel.org References: From: Florian Fainelli Message-ID: <17876c6e-4688-59e6-216f-445f91a8b884@gmail.com> Date: Sun, 21 Mar 2021 20:30:07 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Christian, On 3/21/2021 4:29 PM, Cristian Ciocaltea wrote: > Add new driver for the Ethernet MAC used on the Actions Semi Owl > family of SoCs. > > Currently this has been tested only on the Actions Semi S500 SoC > variant. > > Signed-off-by: Cristian Ciocaltea [snip] Do you know the story behind this Ethernet controller? The various receive/transmit descriptor definitions are 99% those defined in drivers/net/ethernet/stmmicro/stmmac/descs.h for the normal descriptor. The register layout of the MAC looks completely different from a dwmac100 or dwmac1000 however. -- Florian