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 D265FC2D0D2 for ; Fri, 20 Dec 2019 15:34:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9FBB52146E for ; Fri, 20 Dec 2019 15:34:06 +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="zFKX5Mx6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727513AbfLTPeG (ORCPT ); Fri, 20 Dec 2019 10:34:06 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:35226 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727181AbfLTPeF (ORCPT ); Fri, 20 Dec 2019 10:34:05 -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=FlEdcjqR14Yp6BDuBVePu7rcTs7oSKGfaNl9lmmWvhY=; b=zFKX5Mx6zfivGSorxUsCX27mrf Mdb7jKv4NoU2UpfVY45idZm7bRTqFThe+ouaRvXPd4oGnAAhXw3PSRzXQcp0PToyJj8nEk62cGtIX bzhUpCsvadN1+mTB6aJRnpwhbimkq4102brSkFxx2RKwX8OJwhozOOuKIRSrBfEZCeSU=; Received: from andrew by vps0.lunn.ch with local (Exim 4.93) (envelope-from ) id 1iiKHv-0003HC-5i; Fri, 20 Dec 2019 16:33:59 +0100 Date: Fri, 20 Dec 2019 16:33:59 +0100 From: Andrew Lunn To: Richard Cochran Cc: netdev@vger.kernel.org, David Miller , devicetree@vger.kernel.org, Florian Fainelli , Heiner Kallweit , Jacob Keller , Mark Rutland , Miroslav Lichvar , Murali Karicheri , Rob Herring , Willem de Bruijn , Wingman Kwok Subject: Re: [PATCH V6 net-next 06/11] net: Introduce a new MII time stamping interface. Message-ID: <20191220153359.GA11117@lunn.ch> References: <28939f11b984759257167e778d0c73c0dd206a35.1576511937.git.richardcochran@gmail.com> <20191217092155.GL6994@lunn.ch> <20191220145712.GA3846@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191220145712.GA3846@localhost> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, Dec 20, 2019 at 06:57:12AM -0800, Richard Cochran wrote: > On Tue, Dec 17, 2019 at 10:21:55AM +0100, Andrew Lunn wrote: > > Forward declarations are considered bad. > > Not by me! Lets see what David says. > > For the moment what you have is sufficient. I doubt anybody is using > > the dp83640 with phylink, and the new hardware you are targeting seems > > to be RGMII based, not SERDES, which is the main use case for PHYLINK. > > Yeah, my impression is that the phyter will be the first and last phy > time stamping device ever created. Designers reject this part because > it is 100 mbit only. And there are no gigabit+ phys with time > stamping at all. The Marvell PHY datasheets indicate they support PTP. I've not looked at how they implement it, and if the current model will work. Andrew