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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 DA2A0ECDE43 for ; Thu, 18 Oct 2018 18:00:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 93C8820645 for ; Thu, 18 Oct 2018 18:00:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="Jf1Wragd" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 93C8820645 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729356AbeJSCCU (ORCPT ); Thu, 18 Oct 2018 22:02:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:50144 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728712AbeJSCCT (ORCPT ); Thu, 18 Oct 2018 22:02:19 -0400 Received: from localhost (ip-213-127-77-176.ip.prioritytelecom.net [213.127.77.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3D9D221473; Thu, 18 Oct 2018 18:00:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1539885613; bh=mB2M4HVF1nOmKAYthiDAvgGFsblqi1x/FwJYRe3oYbo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Jf1Wragd1vYYEDxDfEK3V25pUPZTqAV6M+Az/6HdgrxUEUXx8iQwiGuj1PXiTD3pr OTqJ5FFJiRcxgicFhpyKixgD42t/9NRTSlnkPybvFEOWa2wbreBj9C2ABmSBtFt1l2 3OZgC13iCHgEYA2HgnzQ8EgDtoErbOyok6L0xl3w= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Christian Lamparter , "David S. Miller" , Sasha Levin Subject: [PATCH 4.14 18/41] net: emac: fix fixed-link setup for the RTL8363SB switch Date: Thu, 18 Oct 2018 19:54:33 +0200 Message-Id: <20181018175420.036389425@linuxfoundation.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181018175416.718399607@linuxfoundation.org> References: <20181018175416.718399607@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christian Lamparter [ Upstream commit 08e39982ef64f800fd1f9b9b92968d14d5fafa82 ] On the Netgear WNDAP620, the emac ethernet isn't receiving nor xmitting any frames from/to the RTL8363SB (identifies itself as a RTL8367RB). This is caused by the emac hardware not knowing the forced link parameters for speed, duplex, pause, etc. This begs the question, how this was working on the original driver code, when it was necessary to set the phy_address and phy_map to 0xffffffff. But I guess without access to the old PPC405/440/460 hardware, it's not possible to know. Signed-off-by: Christian Lamparter Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/ibm/emac/core.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) --- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -2671,12 +2671,17 @@ static int emac_init_phy(struct emac_ins if (of_phy_is_fixed_link(np)) { int res = emac_dt_mdio_probe(dev); - if (!res) { - res = of_phy_register_fixed_link(np); - if (res) - mdiobus_unregister(dev->mii_bus); + if (res) + return res; + + res = of_phy_register_fixed_link(np); + dev->phy_dev = of_phy_find_device(np); + if (res || !dev->phy_dev) { + mdiobus_unregister(dev->mii_bus); + return res ? res : -EINVAL; } - return res; + emac_adjust_link(dev->ndev); + put_device(&dev->phy_dev->mdio.dev); } return 0; }