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=-3.8 required=3.0 tests=BAYES_00, 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 A6DBDC41515 for ; Wed, 31 Mar 2021 12:33:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DCB65619FC for ; Wed, 31 Mar 2021 12:28:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235612AbhCaM1y (ORCPT ); Wed, 31 Mar 2021 08:27:54 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:56070 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235552AbhCaM13 (ORCPT ); Wed, 31 Mar 2021 08:27:29 -0400 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1lRZwN-00EAZw-VU; Wed, 31 Mar 2021 14:27:19 +0200 Date: Wed, 31 Mar 2021 14:27:19 +0200 From: Andrew Lunn To: Oleksij Rempel Cc: Shawn Guo , Sascha Hauer , Florian Fainelli , Heiner Kallweit , Fugang Duan , kernel@pengutronix.de, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, Fabio Estevam , David Jander , Russell King , Philippe Schenker Subject: Re: [PATCH net-next v1 3/3] net: fec: add basic selftest support Message-ID: References: <20210330135407.17010-1-o.rempel@pengutronix.de> <20210330135407.17010-4-o.rempel@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210330135407.17010-4-o.rempel@pengutronix.de> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, Mar 30, 2021 at 03:54:07PM +0200, Oleksij Rempel wrote: > Port some parts of the stmmac selftest to the FEC. This patch was tested > on iMX6DL. > With this tests it is possible to detect some basic issues like: > - MAC loopback fail: most probably wrong clock configuration. > - PHY loopback fail: incorrect RGMII timings, damaged traces, etc Hi Oleksij I've not done a side-by-side diff with stmmac, but i guess a lot of this code is identical? Rather than make a copy/paste, could you move it somewhere under net and turn it into a library any driver can use? Andrew