From patchwork Mon Jan 21 21:20:43 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinghai Lu X-Patchwork-Id: 214255 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 E5AF82C0079 for ; Tue, 22 Jan 2013 08:21:27 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755252Ab3AUVVZ (ORCPT ); Mon, 21 Jan 2013 16:21:25 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:19715 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752600Ab3AUVVY (ORCPT ); Mon, 21 Jan 2013 16:21:24 -0500 Received: from acsinet22.oracle.com (acsinet22.oracle.com [141.146.126.238]) by userp1040.oracle.com (Sentrion-MTA-4.2.2/Sentrion-MTA-4.2.2) with ESMTP id r0LLLC4n015544 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 21 Jan 2013 21:21:12 GMT Received: from acsmt356.oracle.com (acsmt356.oracle.com [141.146.40.156]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id r0LLL95m021402 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 21 Jan 2013 21:21:10 GMT Received: from abhmt104.oracle.com (abhmt104.oracle.com [141.146.116.56]) by acsmt356.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id r0LLL8WH015234; Mon, 21 Jan 2013 15:21:08 -0600 Received: from linux-siqj.site (/75.36.247.93) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 21 Jan 2013 13:21:07 -0800 From: Yinghai Lu To: Bjorn Helgaas , "Rafael J. Wysocki" , Len Brown , Taku Izumi , Jiang Liu Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, Yinghai Lu Subject: [PATCH v10 02/11] PCI: Add root bus children dev's res to fail list Date: Mon, 21 Jan 2013 13:20:43 -0800 Message-Id: <1358803252-20639-3-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1358803252-20639-1-git-send-email-yinghai@kernel.org> References: <1358803252-20639-1-git-send-email-yinghai@kernel.org> X-Source-IP: acsinet22.oracle.com [141.146.126.238] Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org We can stop trying according to try_number now and do not need to use root_bus checking as stop sign. In extreme case we could need to reallocate resource for device just under root bus. For pci root bus hot-add, we need to retry to assign resources to pci devices just under pci root bus. Signed-off-by: Yinghai Lu Acked-by: Rafael J. Wysocki --- drivers/pci/setup-bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 6d3591d..7e8739e 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -283,7 +283,7 @@ static void assign_requested_resources_sorted(struct list_head *head, idx = res - &dev_res->dev->resource[0]; if (resource_size(res) && pci_assign_resource(dev_res->dev, idx)) { - if (fail_head && !pci_is_root_bus(dev_res->dev->bus)) { + if (fail_head) { /* * if the failed res is for ROM BAR, and it will * be enabled later, don't add it to the list