Received: by 2002:a25:8b12:0:0:0:0:0 with SMTP id i18csp3286088ybl; Mon, 19 Aug 2019 15:55:48 -0700 (PDT) X-Google-Smtp-Source: APXvYqz3TYHUdsI6/uUx1XOmsGTQDXnAIQqE0l23plsu9WdBMNGwWLoatslBDQ1zjEUvLMMnvPR4 X-Received: by 2002:a17:902:566:: with SMTP id 93mr25312330plf.172.1566255348236; Mon, 19 Aug 2019 15:55:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1566255348; cv=none; d=google.com; s=arc-20160816; b=K1cdLxfWAgRfp3dBAzvZEWtjd+7sG+BDLRPKyN0CEPs1yM7spQ2y9ugYY5fVM5wu3h owPo4LGpuJGZCz0Apt/9UwAbxdM8MgyGmcadbOMHVwFGelvlWQ+fjuPJqxWtZfiaNFd4 lrUSeslfzT2SZf1iIgwjm4jK5Bvf0JIG+S8awMTVvVPMVlMK9GgvA2ae4Zg1jSRHvFID E88zUeRVmG6JHtObDTxMcJSowNHa++zaQ3mIEI6dIGRN9y5lYxpNkpMTK5xiV2XVVJBQ Q9vU/IXPIzboQT4POYCv+TmyrZ+Cjf0AhgM86KGg+b09ebU7PeqwKxb5BfW6QLp+wYxU QUGw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=NdrnjgrahYESqLJFFvBWO65ixubaBOtmFXh1UYBUR6M=; b=Ub1sePzdY4Y8jrEcgsnYWcc+Qr+nlZB/FNVfkH6RXTnF5aDryOlXdz48EqaLU1Pqxn DDKW43EcmBFPjc4xtdM/5hVyZGMCv8rlD8wJw62EVsYjn92eRu3ob5hB3qaVY10oeVwv SvoTlbMDviOhYe7oZhQ3ZfbhR5jnB7x7qPul38AAfgaiCMYFkqafVBIGxW/mzPnE3NdA XQcVI6AKR4EwJgwJR6Ep30bfBLCAed0g45uAofo102sfJKGW06wkVhu7JBgyhbQ2yukF RukoZVhrBT8Vwxy2eydvzY3WWRIzK7fQmg2ffZ7y0S5FnjN9IqLTMZwWHG1H1PBSTNOn Zfiw== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@lunn.ch header.s=20171124 header.b=1Rm8Vqe1; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id i13si10958373pgf.335.2019.08.19.15.55.32; Mon, 19 Aug 2019 15:55:48 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@lunn.ch header.s=20171124 header.b=1Rm8Vqe1; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728539AbfHSWy2 (ORCPT + 99 others); Mon, 19 Aug 2019 18:54:28 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:43310 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728014AbfHSWy1 (ORCPT ); Mon, 19 Aug 2019 18:54:27 -0400 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=NdrnjgrahYESqLJFFvBWO65ixubaBOtmFXh1UYBUR6M=; b=1Rm8Vqe1AePi4GbhZutVJ4u0h4 SYsEUy3WfuHhjLmtLiOAxbydMwfHJjrxnYVaBKGFNXlSg2ejVG6TVB6y/TCR4d9VQeTXavYGs5/Ar yvrLGVIrjDPKyWPpfGKT+aUKLpyQuTV0maXlU/bghFCycoQTTnjxc5S2wKSONZZadFiM=; Received: from andrew by vps0.lunn.ch with local (Exim 4.89) (envelope-from ) id 1hzqXe-00024v-Ua; Tue, 20 Aug 2019 00:54:22 +0200 Date: Tue, 20 Aug 2019 00:54:22 +0200 From: Andrew Lunn To: Marco Hartmann Cc: Andy Duan , "davem@davemloft.net" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Christian Herber Subject: Re: [PATCH net-next 0/1] net: fec: add C45 MDIO read/write support Message-ID: <20190819225422.GD29991@lunn.ch> References: <1566234659-7164-1-git-send-email-marco.hartmann@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1566234659-7164-1-git-send-email-marco.hartmann@nxp.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 19, 2019 at 05:11:14PM +0000, Marco Hartmann wrote: > As of yet, the Fast Ethernet Controller (FEC) driver only supports Clause 22 > conform MDIO transactions. IEEE 802.3ae Clause 45 defines a modified MDIO > protocol that uses a two staged access model in order to increase the address > space. > > This patch adds support for Clause 45 conform MDIO read and write operations to > the FEC driver. Hi Marco Do all versions of the FEC hardware support C45? Or do we need to make use of the quirk support in this driver to just enable it for some revisions of FEC? Thanks Andrew