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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 95CD1C43381 for ; Thu, 21 Feb 2019 14:05:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 635872085A for ; Thu, 21 Feb 2019 14:05:01 +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="r98W8twH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727979AbfBUOFA (ORCPT ); Thu, 21 Feb 2019 09:05:00 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:33133 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725858AbfBUOE7 (ORCPT ); Thu, 21 Feb 2019 09:04:59 -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=moqsi4vJKt4WpCEdoQELqLC/ER6UMv9aq5Wcu4T1/j4=; b=r98W8twHvS0j/KdGbGMGfrcPat sTnWyS6bfJGRoEtX+uMIg4McZgYXn95HYmGKc56aS9lKMV3VwxsCVcZ3d2nwEk38rHz4V756+FWh6 1irKZu7xApPwvbrtP9jOT9mDs0T9IH/oXkL0AudIg4C3aDIwujko0rNVJEKHBHbdQ8I0=; Received: from andrew by vps0.lunn.ch with local (Exim 4.89) (envelope-from ) id 1gwoyA-0002Qo-33; Thu, 21 Feb 2019 15:04:58 +0100 Date: Thu, 21 Feb 2019 15:04:58 +0100 From: Andrew Lunn To: Paul Kocialkowski Cc: Florian Fainelli , Heiner Kallweit , netdev@vger.kernel.org, Thomas Petazzoni , =?iso-8859-1?Q?Myl=E8ne?= Josserand Subject: Re: Handling an Extra Signal at PHY Reset Message-ID: <20190221140458.GF5653@lunn.ch> References: <20190221014938.GQ14879@lunn.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org > I can also confirm that it does not prevent contacting the PHY on the > MDIO bus, contrary to what I have stated previously. O.K, so wrong voltage does not matter, you can still probe the PHY. Ignore the switch. Use a pin hog to set the GPIO to the disabled state. And set the voltage using the PHY register during probe(). Andrew