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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 C0FF8C433F5 for ; Sun, 26 Aug 2018 06:47:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 89B282170B for ; Sun, 26 Aug 2018 06:47:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 89B282170B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727854AbeHZK3U (ORCPT ); Sun, 26 Aug 2018 06:29:20 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:53830 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727065AbeHZK3T (ORCPT ); Sun, 26 Aug 2018 06:29:19 -0400 Received: from localhost (5355525A.cm-6-6b.dynamic.ziggo.nl [83.85.82.90]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 44B0625A; Sun, 26 Aug 2018 06:47:44 +0000 (UTC) From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Bartosz Golaszewski , "David S. Miller" , Sasha Levin Subject: [PATCH 3.18 24/56] net: davinci_emac: match the mdio device against its compatible if possible Date: Sun, 26 Aug 2018 08:44:45 +0200 Message-Id: <20180826064233.547782123@linuxfoundation.org> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180826064232.320669119@linuxfoundation.org> References: <20180826064232.320669119@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Bartosz Golaszewski [ Upstream commit ea0820bb771175c7d4192fc6f5b5c56b3c6d5239 ] Device tree based systems without of_dev_auxdata will have the mdio device named differently than "davinci_mdio(.0)". In this case use the device's parent's compatible string for matching Signed-off-by: Bartosz Golaszewski Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/ti/davinci_emac.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -1514,6 +1514,10 @@ static int emac_devioctl(struct net_devi static int match_first_device(struct device *dev, void *data) { + if (dev->parent && dev->parent->of_node) + return of_device_is_compatible(dev->parent->of_node, + "ti,davinci_mdio"); + return !strncmp(dev_name(dev), "davinci_mdio", 12); }