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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 2F3ADC43616 for ; Mon, 17 May 2021 14:23:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1A9DF61998 for ; Mon, 17 May 2021 14:23:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239631AbhEQOYi (ORCPT ); Mon, 17 May 2021 10:24:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:60192 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233863AbhEQOVN (ORCPT ); Mon, 17 May 2021 10:21:13 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id D3A7E61074; Mon, 17 May 2021 14:11:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1621260695; bh=Y/n4T2711BR/Em/i97lCqubjvDBR4y1g7v/IQE6yZ64=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Aay3TZi4aOGiosY2JozEsG6Z3tzQhxbbURxv7zVLtPvh68A7ELyNyxhId/ENpGMeS Ej66a94pY8NiIJ4MGAxpK8fHqlGh1M6FeTUW8BDI/mEIuMDqoz//D7LoZEjg1oU5/C gLLObTO86mevBUnBDZEU2R57x4bjiEDdywBjzCUI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yufeng Mo , Huazhong Tan , "David S. Miller" , Sasha Levin Subject: [PATCH 5.12 198/363] net: hns3: disable phy loopback setting in hclge_mac_start_phy Date: Mon, 17 May 2021 16:01:04 +0200 Message-Id: <20210517140309.282841137@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210517140302.508966430@linuxfoundation.org> References: <20210517140302.508966430@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yufeng Mo [ Upstream commit 472497d0bdae890a896013332a0b673f9acdf2bf ] If selftest and reset are performed at the same time, the phy loopback setting may be still in enable state after the reset, and device cannot link up. So fix this issue by disabling phy loopback before phy_start(). Fixes: 256727da7395 ("net: hns3: Add MDIO support to HNS3 Ethernet driver for hip08 SoC") Signed-off-by: Yufeng Mo Signed-off-by: Huazhong Tan Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c index e89820702540..c194bba187d6 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c @@ -255,6 +255,8 @@ void hclge_mac_start_phy(struct hclge_dev *hdev) if (!phydev) return; + phy_loopback(phydev, false); + phy_start(phydev); } -- 2.30.2