From patchwork Mon Jul 21 18:26:09 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ezequiel Garcia X-Patchwork-Id: 372176 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id E449C140143 for ; Tue, 22 Jul 2014 04:27:16 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933344AbaGUS1M (ORCPT ); Mon, 21 Jul 2014 14:27:12 -0400 Received: from top.free-electrons.com ([176.31.233.9]:55872 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933219AbaGUS1L (ORCPT ); Mon, 21 Jul 2014 14:27:11 -0400 Received: by mail.free-electrons.com (Postfix, from userid 106) id 3033FAAF; Mon, 21 Jul 2014 20:27:14 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on mail.free-electrons.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT, URIBL_BLOCKED shortcircuit=ham autolearn=disabled version=3.3.2 Received: from localhost.localdomain (unknown [190.2.108.81]) by mail.free-electrons.com (Postfix) with ESMTPSA id 29DF87B6; Mon, 21 Jul 2014 20:27:11 +0200 (CEST) From: Ezequiel Garcia To: Cc: David Miller , Florian Fainelli , Thomas Petazzoni , Gregory Clement , Ezequiel Garcia Subject: [RFC 1/2] net: phy: Set the driver when registering an MDIO bus device Date: Mon, 21 Jul 2014 15:26:09 -0300 Message-Id: <1405967170-19353-2-git-send-email-ezequiel.garcia@free-electrons.com> X-Mailer: git-send-email 2.0.1 In-Reply-To: <1405967170-19353-1-git-send-email-ezequiel.garcia@free-electrons.com> References: <1405967170-19353-1-git-send-email-ezequiel.garcia@free-electrons.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org mdiobus_register() registers a device which is already bound to a driver. Hence, the driver pointer should be set properly in order to track down the driver associated to the MDIO bus. This will be used to allow ethernet driver to pin down a MDIO bus driver, preventing it from being unloaded while the PHY device is running. Signed-off-by: Ezequiel Garcia --- drivers/net/phy/mdio_bus.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 4eaadcf..203651e 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -255,6 +255,7 @@ int mdiobus_register(struct mii_bus *bus) bus->dev.parent = bus->parent; bus->dev.class = &mdio_bus_class; + bus->dev.driver = bus->parent->driver; bus->dev.groups = NULL; dev_set_name(&bus->dev, "%s", bus->id);