From patchwork Mon Mar 29 07:58:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 411598 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=-19.0 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, 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 98060C433E3 for ; Mon, 29 Mar 2021 08:07:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6E0A561974 for ; Mon, 29 Mar 2021 08:07:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231825AbhC2IGm (ORCPT ); Mon, 29 Mar 2021 04:06:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:49020 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231580AbhC2IFm (ORCPT ); Mon, 29 Mar 2021 04:05:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 79A0C61938; Mon, 29 Mar 2021 08:05:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1617005142; bh=PzrJR67FvEnJOBrgFZg6b5pr2t3VI0la/+3L64PDOL4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rF6UvN998eAmIniacdv+AcRTi9Jk02bCl/PEZsqTcnywffjb9GCba86n7vYtrynzX gpbXRb1L3EJSKxw0vF8hxRCIxAOYxd1pmCkX1dTM+GM8QroeDiaA/2Rp20YI5rI/Dy TthT0G+3+8roZFe9Sa4vkRG4YVS24XZ2pTON08tQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Florian Fainelli , "David S. Miller" , Sasha Levin Subject: [PATCH 4.14 32/59] net: dsa: bcm_sf2: Qualify phydev->dev_flags based on port Date: Mon, 29 Mar 2021 09:58:12 +0200 Message-Id: <20210329075609.949091231@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210329075608.898173317@linuxfoundation.org> References: <20210329075608.898173317@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Florian Fainelli [ Upstream commit 47142ed6c34d544ae9f0463e58d482289cbe0d46 ] Similar to commit 92696286f3bb37ba50e4bd8d1beb24afb759a799 ("net: bcmgenet: Set phydev->dev_flags only for internal PHYs") we need to qualify the phydev->dev_flags based on whether the port is connected to an internal or external PHY otherwise we risk having a flags collision with a completely different interpretation depending on the driver. Fixes: aa9aef77c761 ("net: dsa: bcm_sf2: communicate integrated PHY revision to PHY driver") Signed-off-by: Florian Fainelli Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/dsa/bcm_sf2.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 7fc84ae562a2..11a72c4cbb92 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -613,8 +613,10 @@ static u32 bcm_sf2_sw_get_phy_flags(struct dsa_switch *ds, int port) * in bits 15:8 and the patch level in bits 7:0 which is exactly what * the REG_PHY_REVISION register layout is. */ - - return priv->hw_params.gphy_rev; + if (priv->int_phy_mask & BIT(port)) + return priv->hw_params.gphy_rev; + else + return 0; } static void bcm_sf2_sw_adjust_link(struct dsa_switch *ds, int port,