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=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 ECD61C5DF60 for ; Thu, 7 Nov 2019 08:39:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B24E421D7B for ; Thu, 7 Nov 2019 08:39:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=walle.cc header.i=@walle.cc header.b="sPHgpqOj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733245AbfKGIj4 (ORCPT ); Thu, 7 Nov 2019 03:39:56 -0500 Received: from ssl.serverraum.org ([176.9.125.105]:37651 "EHLO ssl.serverraum.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727563AbfKGIjz (ORCPT ); Thu, 7 Nov 2019 03:39:55 -0500 Received: from mwalle01.sab.local. (unknown [213.135.10.150]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id B744A23E3F; Thu, 7 Nov 2019 09:39:53 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1573115994; bh=QuQhB8wdh0x1ZHWe+cSTPwQhfauMSRqdlq6VCg3+s9E=; h=From:To:Cc:Subject:Date:From; b=sPHgpqOjexeZ0JcU8wzRcdq/7XmBVgvpvXe8birl1x107C6pzWyLVWzo+UTVl/nOZ C28YjU6GGeAsp/LxudF3AcRO8iZMJsqmUhj8+Zs+nMwQrB55KKI7sRInln+xMFSKHy /Fh4rGIOQZZhhy0v3TjCPpNs85PRQSD+5c9o1fh8= From: Michael Walle To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org Cc: Claudiu Manoil , "David S . Miller" , Michael Walle Subject: [PATCH] enetc: add ioctl() support for PHY-related ops Date: Thu, 7 Nov 2019 09:39:37 +0100 Message-Id: <20191107083937.18228-1-michael@walle.cc> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Virus-Scanned: clamav-milter 0.101.4 at web X-Virus-Status: Clean Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If there is an attached PHY try to handle the requested ioctl with its handler, which allows the userspace to access PHY registers, for example. This will make mii-diag and similar tools work. Signed-off-by: Michael Walle --- drivers/net/ethernet/freescale/enetc/enetc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index b6ff89307409..25af207f1962 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -1599,7 +1599,10 @@ int enetc_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd) if (cmd == SIOCGHWTSTAMP) return enetc_hwtstamp_get(ndev, rq); #endif - return -EINVAL; + + if (!ndev->phydev) + return -EINVAL; + return phy_mii_ioctl(ndev->phydev, rq, cmd); } int enetc_alloc_msix(struct enetc_ndev_priv *priv) -- 2.20.1