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=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 B71DBC2BB85 for ; Tue, 7 Apr 2020 10:26:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 838852074B for ; Tue, 7 Apr 2020 10:26:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586255216; bh=VNqCZBzrB81vN+E5aqxkm8Kxryctt/ULReZdCHmHATY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=VaPD5/i8a63BqdoSLKOI5DXQuyka2rh/s2mU8x8KA7yU3z5HHn3H9AivhR9yFXGaN 32RjcUqhZRb6N/niI4RxGRdc4LzTp6OpDmc9c60TGhhR5RCtZUIATDStlxFAY2JCu1 y0FBjOFUP2GQ6dmQHtaLorUf5Kw15OchaO/RhSNs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728532AbgDGK0z (ORCPT ); Tue, 7 Apr 2020 06:26:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:39124 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728706AbgDGK0x (ORCPT ); Tue, 7 Apr 2020 06:26:53 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2025D20644; Tue, 7 Apr 2020 10:26:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586255212; bh=VNqCZBzrB81vN+E5aqxkm8Kxryctt/ULReZdCHmHATY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Aqbp1pqF3oYtRI05ZFJGva7Jh622wcGNwC1o1b+7C0YB9Q8GpbjeVBGRc30XWMFAF crmAkpJXaW9nuDADNu93l3GamwGSZztp2lTFB13GND4WUvwUahHINhKaufPEtCC78M FQZAE79nws0am85YG1vcPnjk9EUOWIL6v8A567rI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Cristian Birsan , Codrin Ciubotariu , "David S. Miller" Subject: [PATCH 5.6 06/29] net: macb: Fix handling of fixed-link node Date: Tue, 7 Apr 2020 12:22:03 +0200 Message-Id: <20200407101452.757137875@linuxfoundation.org> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200407101452.046058399@linuxfoundation.org> References: <20200407101452.046058399@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Codrin Ciubotariu [ Upstream commit 79540d133ed6f65a37dacb54b7a704cc8a24c52d ] fixed-link nodes are treated as PHY nodes by of_mdiobus_child_is_phy(). We must check if the interface is a fixed-link before looking up for PHY nodes. Fixes: 7897b071ac3b ("net: macb: convert to phylink") Tested-by: Cristian Birsan Signed-off-by: Codrin Ciubotariu Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/cadence/macb_main.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -724,6 +724,9 @@ static int macb_mdiobus_register(struct { struct device_node *child, *np = bp->pdev->dev.of_node; + if (of_phy_is_fixed_link(np)) + return mdiobus_register(bp->mii_bus); + /* Only create the PHY from the device tree if at least one PHY is * described. Otherwise scan the entire MDIO bus. We do this to support * old device tree that did not follow the best practices and did not