From patchwork Mon Aug 20 13:46:29 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gavin Shan X-Patchwork-Id: 178784 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 58AEF2C009A for ; Mon, 20 Aug 2012 23:47:32 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755540Ab2HTNrb (ORCPT ); Mon, 20 Aug 2012 09:47:31 -0400 Received: from e8.ny.us.ibm.com ([32.97.182.138]:52909 "EHLO e8.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755459Ab2HTNrb (ORCPT ); Mon, 20 Aug 2012 09:47:31 -0400 Received: from /spool/local by e8.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 20 Aug 2012 09:47:30 -0400 Received: from d01dlp01.pok.ibm.com (9.56.250.166) by e8.ny.us.ibm.com (192.168.1.108) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Mon, 20 Aug 2012 09:46:54 -0400 Received: from d01relay03.pok.ibm.com (d01relay03.pok.ibm.com [9.56.227.235]) by d01dlp01.pok.ibm.com (Postfix) with ESMTP id EA49F38C8042 for ; Mon, 20 Aug 2012 09:46:52 -0400 (EDT) Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay03.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q7KDkpLp050844 for ; Mon, 20 Aug 2012 09:46:52 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q7KDkibU016168 for ; Mon, 20 Aug 2012 09:46:50 -0400 Received: from shangw ([9.125.27.211]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id q7KDke7v015900; Mon, 20 Aug 2012 09:46:41 -0400 Received: by shangw (Postfix, from userid 1000) id 170413022AE; Mon, 20 Aug 2012 21:46:39 +0800 (CST) From: Gavin Shan To: linux-pci@vger.kernel.org Cc: bhelgaas@google.com, benh@kernel.crashing.org, weiyang@linux.vnet.ibm.com, linuxram@us.ibm.com, yinghai@kernel.org, Gavin Shan Subject: [PATCH 2/8] pci: argument pci_bus for find_pci_host_bridge Date: Mon, 20 Aug 2012 21:46:29 +0800 Message-Id: <1345470395-17295-3-git-send-email-shangw@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1345470395-17295-1-git-send-email-shangw@linux.vnet.ibm.com> References: <1345470395-17295-1-git-send-email-shangw@linux.vnet.ibm.com> X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12082013-9360-0000-0000-000009A3996D Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org The patch changes the argument of find_pci_host_bridge() to pci_bus. Signed-off-by: Yinghai Lu Signed-off-by: Gavin Shan --- drivers/pci/host-bridge.c | 13 +++++-------- 1 files changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c index c19776a..fc16357 100644 --- a/drivers/pci/host-bridge.c +++ b/drivers/pci/host-bridge.c @@ -9,20 +9,17 @@ #include "pci.h" -static struct pci_bus *find_pci_root_bus(struct pci_dev *dev) +static struct pci_bus *find_pci_root_bus(struct pci_bus *bus) { - struct pci_bus *bus; - - bus = dev->bus; while (bus->parent) bus = bus->parent; return bus; } -static struct pci_host_bridge *find_pci_host_bridge(struct pci_dev *dev) +static struct pci_host_bridge *find_pci_host_bridge(struct pci_bus *bus) { - struct pci_bus *root_bus = find_pci_root_bus(dev); + struct pci_bus *root_bus = find_pci_root_bus(bus); return to_pci_host_bridge(root_bus->bridge); } @@ -43,7 +40,7 @@ static bool resource_contains(struct resource *res1, struct resource *res2) void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, struct resource *res) { - struct pci_host_bridge *bridge = find_pci_host_bridge(dev); + struct pci_host_bridge *bridge = find_pci_host_bridge(dev->bus); struct pci_host_bridge_window *window; resource_size_t offset = 0; @@ -71,7 +68,7 @@ static bool region_contains(struct pci_bus_region *region1, void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, struct pci_bus_region *region) { - struct pci_host_bridge *bridge = find_pci_host_bridge(dev); + struct pci_host_bridge *bridge = find_pci_host_bridge(dev->bus); struct pci_host_bridge_window *window; resource_size_t offset = 0;