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=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 34908ECE58F for ; Wed, 16 Oct 2019 00:22:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 13A252064A for ; Wed, 16 Oct 2019 00:22:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390070AbfJPAW2 (ORCPT ); Tue, 15 Oct 2019 20:22:28 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:42232 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387839AbfJPAW2 (ORCPT ); Tue, 15 Oct 2019 20:22:28 -0400 Received: from localhost (unknown [IPv6:2601:601:9f00:1e2::d71]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id B1C6C1203B44B; Tue, 15 Oct 2019 17:22:27 -0700 (PDT) Date: Tue, 15 Oct 2019 17:22:27 -0700 (PDT) Message-Id: <20191015.172227.1754483638007790724.davem@davemloft.net> To: alexandre.belloni@bootlin.com Cc: vz@mleia.com, slemieux.tyco@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 2/2] net: lpc_eth: parse phy nodes from device tree From: David Miller In-Reply-To: <20191010204530.15150-2-alexandre.belloni@bootlin.com> References: <20191010204530.15150-1-alexandre.belloni@bootlin.com> <20191010204530.15150-2-alexandre.belloni@bootlin.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 15 Oct 2019 17:22:27 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alexandre Belloni Date: Thu, 10 Oct 2019 22:45:30 +0200 > When connected to a micrel phy, phy_find_first doesn't work properly > because the first phy found is on address 0, the broadcast address but, the > first thing the phy driver is doing is disabling this broadcast address. > The phy is then available only on address 1 but the mdio driver doesn't > know about it. > > Instead, register the mdio bus using of_mdiobus_register and try to find > the phy description in device tree before falling back to phy_find_first. > > This ultimately also allows to describe the interrupt the phy is connected > to. > > Signed-off-by: Alexandre Belloni Please respond to Andrew's feedback.