From patchwork Thu Nov 7 08:39:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Walle X-Patchwork-Id: 1190975 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=walle.cc Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=walle.cc header.i=@walle.cc header.b="sPHgpqOj"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 477xfl1TYxz9sPT for ; Thu, 7 Nov 2019 19:39:59 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733239AbfKGIj4 (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 X-Virus-Scanned: clamav-milter 0.101.4 at web X-Virus-Status: Clean Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@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 Reviewed-by: Andrew Lunn --- 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)