From patchwork Sun Jan 27 05:36:38 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinghai Lu X-Patchwork-Id: 215959 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 178DF2C008D for ; Sun, 27 Jan 2013 16:38:37 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755900Ab3A0Fig (ORCPT ); Sun, 27 Jan 2013 00:38:36 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:47662 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755816Ab3A0Fig (ORCPT ); Sun, 27 Jan 2013 00:38:36 -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 r0R5cP5H001457 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sun, 27 Jan 2013 05:38:26 GMT Received: from acsmt356.oracle.com (acsmt356.oracle.com [141.146.40.156]) by ucsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id r0R5cPIL004785 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 27 Jan 2013 05:38:25 GMT Received: from abhmt114.oracle.com (abhmt114.oracle.com [141.146.116.66]) by acsmt356.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id r0R5cPos014913; Sat, 26 Jan 2013 23:38:25 -0600 Received: from linux-siqj.site (/75.36.253.103) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sat, 26 Jan 2013 21:38:24 -0800 From: Yinghai Lu To: Bjorn Helgaas , Jiang Liu , "Rafael J. Wysocki" , Taku Izumi Cc: linux-pci@vger.kernel.org, Yinghai Lu , David Howells Subject: [PATCH v2 17/22] PCI, frv: Kill pci_root_buses in resources reservations Date: Sat, 26 Jan 2013 21:36:38 -0800 Message-Id: <1359265003-16166-18-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1359265003-16166-1-git-send-email-yinghai@kernel.org> References: <1359265003-16166-1-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 Signed-off-by: Yinghai Lu Cc: David Howells --- arch/frv/mb93090-mb00/pci-frv.c | 37 ++++++++++++++++++++----------------- 1 file changed, 20 insertions(+), 17 deletions(-) diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c index c281217..2a127f9 100644 --- a/arch/frv/mb93090-mb00/pci-frv.c +++ b/arch/frv/mb93090-mb00/pci-frv.c @@ -78,27 +78,26 @@ pcibios_align_resource(void *data, const struct resource *res, * as well. */ -static void __init pcibios_allocate_bus_resources(struct list_head *bus_list) +static void __init pcibios_allocate_bridge_resources(struct pci_dev *dev) { - struct list_head *ln; - struct pci_bus *bus; - struct pci_dev *dev; int idx; struct resource *r; + for (idx = PCI_BRIDGE_RESOURCES; idx < PCI_NUM_RESOURCES; idx++) { + r = &dev->resource[idx]; + if (!r->start) + continue; + pci_claim_resource(dev, idx); + } +} +static void __init pcibios_allocate_bus_resources(struct pci_bus *bus) +{ + struct pci_bus *child; /* Depth-First Search on bus tree */ - for (ln=bus_list->next; ln != bus_list; ln=ln->next) { - bus = pci_bus_b(ln); - if ((dev = bus->self)) { - for (idx = PCI_BRIDGE_RESOURCES; idx < PCI_NUM_RESOURCES; idx++) { - r = &dev->resource[idx]; - if (!r->start) - continue; - pci_claim_resource(dev, idx); - } - } - pcibios_allocate_bus_resources(&bus->children); - } + if (bus->self) + pcibios_allocate_bridge_resources(bus->self); + list_for_each_entry(child, &bus->children, node) + pcibios_allocate_bus_resources(child); } static void __init pcibios_allocate_resources(int pass) @@ -188,8 +187,12 @@ static void __init pcibios_assign_resources(void) void __init pcibios_resource_survey(void) { + struct pci_host_bridge *host_bridge = NULL; + DBG("PCI: Allocating resources\n"); - pcibios_allocate_bus_resources(&pci_root_buses); + + for_each_pci_host_bridge(host_bridge) + pcibios_allocate_bus_resources(host_bridge->bus); pcibios_allocate_resources(0); pcibios_allocate_resources(1); pcibios_assign_resources();