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=-4.2 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,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 C23BBC64E90 for ; Mon, 30 Nov 2020 22:29:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D6B6221FD for ; Mon, 30 Nov 2020 22:29:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Rh32vFtS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730797AbgK3W3e (ORCPT ); Mon, 30 Nov 2020 17:29:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37756 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730795AbgK3W3d (ORCPT ); Mon, 30 Nov 2020 17:29:33 -0500 Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 713A7C0613D2; Mon, 30 Nov 2020 14:28:53 -0800 (PST) Received: by mail-pf1-x441.google.com with SMTP id s21so11328201pfu.13; Mon, 30 Nov 2020 14:28:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=nAzMv+/mbuFFwiCCS8n8Lid+mXMaJezVpww5GEW5pks=; b=Rh32vFtSY9kOOzSQwr/MEikm0hFOOuBIJRtIQtPsSTbcOcszdF0z19YKABUFn2fAp9 KWSKvWMZZpm2qlcEbhMEPVymnXlLNOzy4hP6gD7HrfhVmTxA2BUleON9EuePDlbGOd2R TDSUG7BrzUcPYt1skK5dOh++5Ye65kNGtV4wYvpQXJla7uQN9MJ6fzMo+8IpcQZm5EPs nCLqIkM7kNNJaNop4BWPSBieztKg6H+fQnxvrsWdD0WWVyUr5OwhoQJ8g5zuUC+WQoZZ 0dn6jA/0/py9d7iw5ObZCNgN+AWsBPLgqMSr2IQZJxMfJYpr8evUfesz61g/Mvcu0g6O m1BQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=nAzMv+/mbuFFwiCCS8n8Lid+mXMaJezVpww5GEW5pks=; b=GeXNvoHl8++zV6tAlsYxFRX/bJfFkeItLAi2yWLGdYcoR/c+2CD7uwtU48gQxiZajL DCSe8x3Mqizu4P7tF95cKEEgosFn6f8DS6tq8cpn0oFTY3xsE/qar5dK/PBOR3xFnwMc MjM46m0IBSm70Ta92bczwFRSQPRHB86qZpsidoxMgcpBIqQAV6Ar2HgVhFbVbc8h+u3u Xh5LKREQN5OsmBCjB8RsQNT3UZJxt8iwBg2xFBEMKTCfJeGdyg/jP0IRC39bR324Ucmg KR0TZ4Mn8a/EhJhS8+XTC8FjcS9fYxibf3cse3kve0VlrXaJ32OQoS0S1Q4hKSlaJD2O Fk6g== X-Gm-Message-State: AOAM533B2y/dZogCutb5wPGhWpXwvsCw5nXeH158+zM9LMMhATVoH5T3 B6qqHGcdWQbQSPr+fBo12XU= X-Google-Smtp-Source: ABdhPJzzpe28kQxnUbOfIXqOIH22llwJqZR6vl/8YLOpl9d27sgWgHFaTKyh1Cj2B+RhQT1AK9LEiA== X-Received: by 2002:aa7:9597:0:b029:198:50a8:a6cf with SMTP id z23-20020aa795970000b029019850a8a6cfmr20899478pfj.40.1606775333056; Mon, 30 Nov 2020 14:28:53 -0800 (PST) Received: from hoboy.vegasvil.org (c-73-241-114-122.hsd1.ca.comcast.net. [73.241.114.122]) by smtp.gmail.com with ESMTPSA id h16sm474871pjt.43.2020.11.30.14.28.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Nov 2020 14:28:52 -0800 (PST) Date: Mon, 30 Nov 2020 14:28:48 -0800 From: Richard Cochran To: Tristram.Ha@microchip.com Cc: ceggers@arri.de, olteanv@gmail.com, kuba@kernel.org, andrew@lunn.ch, robh+dt@kernel.org, vivien.didelot@gmail.com, davem@davemloft.net, kurt.kanzenbach@linutronix.de, george.mccollister@gmail.com, marex@denx.de, helmut.grohne@intenta.de, pbarker@konsulko.com, Codrin.Ciubotariu@microchip.com, Woojung.Huh@microchip.com, UNGLinuxDriver@microchip.com, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next v3 00/12] net: dsa: microchip: PTP support for KSZ956x Message-ID: <20201130222848.GA5215@hoboy.vegasvil.org> References: <20201118203013.5077-1-ceggers@arri.de> <3569829.EPWo3g8d0Q@n95hx1g2> <12878838.xADNQ6XqJ4@n95hx1g2> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Mon, Nov 30, 2020 at 09:01:25PM +0000, Tristram.Ha@microchip.com wrote: > The 1588 PTP engine in the KSZ switches was designed to be controlled closely by > a PTP stack, so it is a little difficult to use when there is a layer of kernel support > between the application and the driver. Are you saying that linuxptp is not a PTP stack? Maybe it would be wiser to design your HW so that it can work under Linux? Nah, nobody cares about Linux support these days.