From patchwork Thu May 28 12:11:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Bogendoerfer X-Patchwork-Id: 218337 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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, 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 66A3DC433E1 for ; Thu, 28 May 2020 12:11:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 51E532063A for ; Thu, 28 May 2020 12:11:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389736AbgE1MLd (ORCPT ); Thu, 28 May 2020 08:11:33 -0400 Received: from mx2.suse.de ([195.135.220.15]:45760 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389724AbgE1MLa (ORCPT ); Thu, 28 May 2020 08:11:30 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 606DAAD4B; Thu, 28 May 2020 12:11:28 +0000 (UTC) From: Thomas Bogendoerfer To: "David S. Miller" , Jakub Kicinski , Russell King , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net] net: mvpp2: Enable autoneg bypass for 1000BaseX/2500BaseX ports Date: Thu, 28 May 2020 14:11:21 +0200 Message-Id: <20200528121121.125189-1-tbogendoerfer@suse.de> X-Mailer: git-send-email 2.16.4 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Commit d14e078f23cc ("net: marvell: mvpp2: only reprogram what is necessary on mac_config") disabled auto negotiation bypass completely, which breaks platforms enabling bypass via firmware (not the best option, but it worked). Since 1000BaseX/2500BaseX ports neither negotiate speed nor duplex mode we could enable auto negotiation bypass to get back information about link state. Fixes: d14e078f23cc ("net: marvell: mvpp2: only reprogram what is necessary on mac_config") Signed-off-by: Thomas Bogendoerfer --- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 2b5dad2ec650..ddcd781052e1 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -5043,6 +5043,7 @@ static void mvpp2_gmac_config(struct mvpp2_port *port, unsigned int mode, MVPP2_GMAC_CONFIG_GMII_SPEED | MVPP2_GMAC_CONFIG_FULL_DUPLEX); an |= MVPP2_GMAC_IN_BAND_AUTONEG | + MVPP2_GMAC_IN_BAND_AUTONEG_BYPASS | MVPP2_GMAC_CONFIG_GMII_SPEED | MVPP2_GMAC_CONFIG_FULL_DUPLEX;