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=-4.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 A6B99C07E95 for ; Sat, 10 Jul 2021 20:01:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7F27861353 for ; Sat, 10 Jul 2021 20:01:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230442AbhGJUEe (ORCPT ); Sat, 10 Jul 2021 16:04:34 -0400 Received: from relay7-d.mail.gandi.net ([217.70.183.200]:45065 "EHLO relay7-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229515AbhGJUEd (ORCPT ); Sat, 10 Jul 2021 16:04:33 -0400 Received: (Authenticated sender: alexandre.belloni@bootlin.com) by relay7-d.mail.gandi.net (Postfix) with ESMTPSA id A34AD20005; Sat, 10 Jul 2021 20:01:45 +0000 (UTC) Date: Sat, 10 Jul 2021 22:01:45 +0200 From: Alexandre Belloni To: Colin Foster Cc: andrew@lunn.ch, vivien.didelot@gmail.com, f.fainelli@gmail.com, olteanv@gmail.com, davem@davemloft.net, kuba@kernel.org, robh+dt@kernel.org, claudiu.manoil@nxp.com, UNGLinuxDriver@microchip.com, linux@armlinux.org.uk, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH v2 net-next 0/8] Add support for VSC7511-7514 chips over SPI Message-ID: References: <20210710192602.2186370-1-colin.foster@in-advantage.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210710192602.2186370-1-colin.foster@in-advantage.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 10/07/2021 12:25:54-0700, Colin Foster wrote: > Add support for configuration and control of the VSC7511, VSC7512, VSC7513, and > VSC7514 chips over a SPI interface. The intent is to control these chips from an > external CPU. The expectation is to have most of the features of the > net/ethernet/mscc/ocelot_vsc7514 driver. > > I have tried to heed all the advice from my first patch RFC. Thanks to everyone > for all the feedback. > > The current status is that there are two functional "bugs" that need > investigation: > 1. The first probe of the internal MDIO bus fails. I suspect this is related to > power supplies / grounding issues that would not appear on standard hardware. Did you properly reset the internal phys? mdio-mscc-miim.c does that. -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com