From patchwork Mon Jan 27 03:59:25 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Filippov X-Patchwork-Id: 314303 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 784302C0089 for ; Mon, 27 Jan 2014 15:01:07 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753426AbaA0EAv (ORCPT ); Sun, 26 Jan 2014 23:00:51 -0500 Received: from mail-lb0-f178.google.com ([209.85.217.178]:56153 "EHLO mail-lb0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753258AbaA0D7s (ORCPT ); Sun, 26 Jan 2014 22:59:48 -0500 Received: by mail-lb0-f178.google.com with SMTP id u14so3991472lbd.23 for ; Sun, 26 Jan 2014 19:59:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=I4C2z1eDzvjhj6LDXlPFgWUJUeeuh5FnMQ8miUVeNco=; b=KbTqIrRcXZPnTOeSdL+SyJmQSmdfcQofIJABuquxYPzMmVPZjRVnQ+oo7gbrOy/Gxd WmEGXb1zUI60gO/MAe6u9fKra9q2gu04alcHhgYnLrRAg+YWjcBlByYCAZCzB303sTAN ryMed8sv4iuCnxWXf9sfMEUURe4WS/udro/OeAwSji4Mc8GCadZioOrjaxv4siWwlUj5 X0Lp09Z1qyhMvw4gh9SoVQatWjAPxTGJlBiQOkWnUqDgQjrYpmEqtLLmiKfvrJzMajVl IHoR7NL3peh8g9Kl995rc7hjFn06kvGJxTqK72lq9yv9fNg9EwskbjsCG7DbnM0naiMx EZCQ== X-Received: by 10.112.148.104 with SMTP id tr8mr21343lbb.42.1390795186261; Sun, 26 Jan 2014 19:59:46 -0800 (PST) Received: from octofox.metropolis ([188.134.19.124]) by mx.google.com with ESMTPSA id bn5sm10614129lbc.10.2014.01.26.19.59.44 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 26 Jan 2014 19:59:45 -0800 (PST) From: Max Filippov To: linux-xtensa@linux-xtensa.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Chris Zankel , Marc Gauthier , "David S. Miller" , Grant Likely , Rob Herring , Max Filippov Subject: [PATCH 1/3] net: ethoc: don't advertise gigabit speed on attached PHY Date: Mon, 27 Jan 2014 07:59:25 +0400 Message-Id: <1390795167-6677-2-git-send-email-jcmvbkbc@gmail.com> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1390795167-6677-1-git-send-email-jcmvbkbc@gmail.com> References: <1390795167-6677-1-git-send-email-jcmvbkbc@gmail.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org OpenCores 10/100 Mbps MAC does not support speeds above 100 Mbps, but does not disable advertisement when PHY supports them. This results in non-functioning network when the MAC is connected to a gigabit PHY connected to a gigabit switch. The fix is to disable gigabit speed advertisement on attached PHY unconditionally. Signed-off-by: Max Filippov --- drivers/net/ethernet/ethoc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c index 4de8cfd..0aa1a05 100644 --- a/drivers/net/ethernet/ethoc.c +++ b/drivers/net/ethernet/ethoc.c @@ -712,6 +712,8 @@ static int ethoc_open(struct net_device *dev) netif_start_queue(dev); } + priv->phy->advertising &= ~(ADVERTISED_1000baseT_Full | + ADVERTISED_1000baseT_Half); phy_start(priv->phy); napi_enable(&priv->napi);