From patchwork Sun Jan 27 19:23:38 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinghai Lu X-Patchwork-Id: 2052231 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id CB77C3FD49 for ; Sun, 27 Jan 2013 19:24:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755395Ab3A0TYY (ORCPT ); Sun, 27 Jan 2013 14:24:24 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:31167 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755388Ab3A0TYX (ORCPT ); Sun, 27 Jan 2013 14:24:23 -0500 Received: from ucsinet22.oracle.com (ucsinet22.oracle.com [156.151.31.94]) by userp1040.oracle.com (Sentrion-MTA-4.2.2/Sentrion-MTA-4.2.2) with ESMTP id r0RJOAW2001976 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sun, 27 Jan 2013 19:24:11 GMT Received: from acsmt358.oracle.com (acsmt358.oracle.com [141.146.40.158]) by ucsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id r0RJO9Xk020202 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 27 Jan 2013 19:24:10 GMT Received: from abhmt120.oracle.com (abhmt120.oracle.com [141.146.116.72]) by acsmt358.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id r0RJO9hu018564; Sun, 27 Jan 2013 13:24:09 -0600 Received: from linux-siqj.site (/75.36.243.194) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sun, 27 Jan 2013 11:24:09 -0800 From: Yinghai Lu To: Bjorn Helgaas , Jiang Liu , "Rafael J. Wysocki" , Taku Izumi , Toshi Kani Cc: "Greg Kroah-Hartman" , linux-pci@vger.kernel.org, Yinghai Lu , David Airlie , dri-devel@lists.freedesktop.org Subject: [PATCH v3 11/22] PCI, drm: Kill pci_root_buses in alpha hose setting Date: Sun, 27 Jan 2013 11:23:38 -0800 Message-Id: <1359314629-18651-12-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1359314629-18651-1-git-send-email-yinghai@kernel.org> References: <1359314629-18651-1-git-send-email-yinghai@kernel.org> X-Source-IP: ucsinet22.oracle.com [156.151.31.94] Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Replace that with hotplug-safe version. Signed-off-by: Yinghai Lu Cc: David Airlie Cc: dri-devel@lists.freedesktop.org --- drivers/gpu/drm/drm_fops.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 133b413..b92a9cc 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -356,9 +356,13 @@ static int drm_open_helper(struct inode *inode, struct file *filp, pci_dev_put(pci_dev); } if (!dev->hose) { - struct pci_bus *b = pci_bus_b(pci_root_buses.next); - if (b) - dev->hose = b->sysdata; + struct pci_host_bridge *host_bridge; + + host_bridge = pci_next_host_bridge(NULL); + if (host_bridge) { + dev->hose = host_bridge->bus->sysdata; + put_device(&host_bridge->dev); + } } } #endif