From patchwork Wed Jul 23 19:47:31 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ezequiel Garcia X-Patchwork-Id: 373036 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 4E6C2140170 for ; Thu, 24 Jul 2014 05:48:45 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933211AbaGWTsj (ORCPT ); Wed, 23 Jul 2014 15:48:39 -0400 Received: from top.free-electrons.com ([176.31.233.9]:43319 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932665AbaGWTsh (ORCPT ); Wed, 23 Jul 2014 15:48:37 -0400 Received: by mail.free-electrons.com (Postfix, from userid 106) id 5110A82F; Wed, 23 Jul 2014 21:48:37 +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 3D3C37B6; Wed, 23 Jul 2014 21:48:34 +0200 (CEST) From: Ezequiel Garcia To: Cc: David Miller , Florian Fainelli , Thomas Petazzoni , Gregory Clement , Ezequiel Garcia Subject: [PATCH v2 1/2] net: phy: Set the driver when registering an MDIO bus device Date: Wed, 23 Jul 2014 16:47:31 -0300 Message-Id: <1406144852-7379-2-git-send-email-ezequiel.garcia@free-electrons.com> X-Mailer: git-send-email 2.0.1 In-Reply-To: <1406144852-7379-1-git-send-email-ezequiel.garcia@free-electrons.com> References: <1406144852-7379-1-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. Reviewed-by: Florian Fainelli Tested-by: Florian Fainelli 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);