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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 E6726C33CAD for ; Mon, 13 Jan 2020 13:38:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B7BD82081E for ; Mon, 13 Jan 2020 13:38:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="eXv14xc2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728777AbgAMNiw (ORCPT ); Mon, 13 Jan 2020 08:38:52 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:34492 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726943AbgAMNiw (ORCPT ); Mon, 13 Jan 2020 08:38:52 -0500 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=+Z0pz3KfeMyLH+UTXt/OUZ5kMoKnctYdxB0u0qFC/2U=; b=eXv14xc20fryNmPk21QEcO9gvt I7GK3ybBYmUrG6XEk6tOFs35ifRI9TjqpHgKcU0Q+Mnkm7BOcyllboN+KDxdMZXjyB4UA8uv5pXaM C0RoIQ4PRiQS6MIci3hRsJucMwMzD0uFGwZj3BrBZ58S2rTUf4MGpD8bpj8VHYFZeHqg=; Received: from andrew by vps0.lunn.ch with local (Exim 4.93) (envelope-from ) id 1iqzvZ-00041c-68; Mon, 13 Jan 2020 14:38:45 +0100 Date: Mon, 13 Jan 2020 14:38:45 +0100 From: Andrew Lunn To: Jose Abreu Cc: netdev@vger.kernel.org, Joao Pinto , Florian Fainelli , Heiner Kallweit , "David S. Miller" , linux-kernel@vger.kernel.org, Russell King Subject: Re: [RFC net-next] net: phy: Add basic support for Synopsys XPCS using a PHY driver Message-ID: <20200113133845.GD11788@lunn.ch> References: <4953fc69a26bee930bccdeb612f1ce740a4294df.1578921062.git.Jose.Abreu@synopsys.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4953fc69a26bee930bccdeb612f1ce740a4294df.1578921062.git.Jose.Abreu@synopsys.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 13, 2020 at 02:11:08PM +0100, Jose Abreu wrote: > Adds the basic support for XPCS including support for USXGMII. Hi Jose Please could you describe the 'big picture'. What comes after the XPCS? An SFP? A copper PHY? How in Linux do you combine this PHY and whatever comes next using PHYLINK? Or do only support backplane with this, and the next thing in the line is the peers XPCS? Thanks Andrew