From patchwork Wed Jul 18 16:10:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gregory CLEMENT X-Patchwork-Id: 10532807 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 86452601D2 for ; Wed, 18 Jul 2018 16:12:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 743A6290AF for ; Wed, 18 Jul 2018 16:12:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 68179290C6; Wed, 18 Jul 2018 16:12:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 167A9290AF for ; Wed, 18 Jul 2018 16:12:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=YWEi24HVgoi/IkxZcguwTnAataCPr6zVl/fA5XpdwWo=; b=GcV9ZrbygARJt6HJpqkIvQm6+Y GaMiwPXDRLTt0qYGBJIQsq39/y6x9WKEOLT8PIIVTZ+Loh2FOIgO3jwCkH51+lr9o1uqkP0vCgoXZ pV9okZ1ycVokfXqh/dAhJMngALWpWFgMadcPi9biZZZUXNANFK1ZdAYKUqz00mw5aPwtWI0eD1fKn cRVtgPkNu1xCJZKgcVbxY1tqpCVHrXa5SfOLJ24mlyu+DGW8v4kj2s2j+CCPVWCaO/NBl4LeW9Ykc qlH1cFluvLLTZDdM5BJtRKBjNUkLzl1+9dYWqvwsU95i/Hf/AOYYyHO01GlXpunJZlajcB9ScSRol j+7cLsiA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1ffp3l-0004PL-HV; Wed, 18 Jul 2018 16:12:13 +0000 Received: from mail.bootlin.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1ffp2s-00038d-6M for linux-arm-kernel@lists.infradead.org; Wed, 18 Jul 2018 16:11:21 +0000 Received: by mail.bootlin.com (Postfix, from userid 110) id 8495220884; Wed, 18 Jul 2018 18:11:09 +0200 (CEST) Received: from localhost (242.171.71.37.rev.sfr.net [37.71.171.242]) by mail.bootlin.com (Postfix) with ESMTPSA id 5E1F420741; Wed, 18 Jul 2018 18:11:09 +0200 (CEST) From: Gregory CLEMENT To: "David S. Miller" , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH net-next v3 2/8] net: mvneta: fix mtu change on port without link Date: Wed, 18 Jul 2018 18:10:51 +0200 Message-Id: <20180718161057.28704-3-gregory.clement@bootlin.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180718161057.28704-1-gregory.clement@bootlin.com> References: <20180718161057.28704-1-gregory.clement@bootlin.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180718_091118_576204_E48D1E71 X-CRM114-Status: UNSURE ( 9.75 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrew Lunn , Jason Cooper , Antoine Tenart , Gregory CLEMENT , Maxime Chevallier , Nadav Haklai , Yelena Krivosheev , Thomas Petazzoni , =?UTF-8?q?Miqu=C3=A8l=20Raynal?= , Marcin Wojtas , Dmitri Epshtein , linux-arm-kernel@lists.infradead.org, Sebastian Hesselbarth MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Yelena Krivosheev It is incorrect to enable TX/RX queues (call by mvneta_port_up()) for port without link. Indeed MTU change for interface without link causes TX queues to stuck. Fixes: c5aff18204da ("net: mvneta: driver for Marvell Armada 370/XP network unit") Signed-off-by: Yelena Krivosheev [gregory.clement: adding Fixes tags and rewording commit log] Signed-off-by: Gregory CLEMENT --- drivers/net/ethernet/marvell/mvneta.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index ec84db47d82d..3d1f4335b0d3 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -3196,7 +3196,6 @@ static int mvneta_change_mtu(struct net_device *dev, int mtu) on_each_cpu(mvneta_percpu_enable, pp, true); mvneta_start_dev(pp); - mvneta_port_up(pp); netdev_update_features(dev);