From patchwork Tue Mar 24 03:34:07 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yijing Wang X-Patchwork-Id: 6076721 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 759579F350 for ; Tue, 24 Mar 2015 03:44:33 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9B5C520125 for ; Tue, 24 Mar 2015 03:44:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B5D05200E6 for ; Tue, 24 Mar 2015 03:44:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753678AbbCXDh4 (ORCPT ); Mon, 23 Mar 2015 23:37:56 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:15272 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753250AbbCXDhV (ORCPT ); Mon, 23 Mar 2015 23:37:21 -0400 Received: from 172.24.2.119 (EHLO szxeml431-hub.china.huawei.com) ([172.24.2.119]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CIW74377; Tue, 24 Mar 2015 11:37:15 +0800 (CST) Received: from localhost.localdomain (10.175.100.166) by szxeml431-hub.china.huawei.com (10.82.67.208) with Microsoft SMTP Server id 14.3.158.1; Tue, 24 Mar 2015 11:36:51 +0800 From: Yijing Wang To: Bjorn Helgaas CC: Jiang Liu , , Yinghai Lu , , Marc Zyngier , , Russell King , , Thomas Gleixner , Benjamin Herrenschmidt , Rusty Russell , Tony Luck , , "David S. Miller" , "Guan Xuetao" , , , Liviu Dudau , "Arnd Bergmann" , Geert Uytterhoeven , "Yijing Wang" Subject: [PATCH v8 13/30] PCI: Move pcibios_root_bridge_prepare() to pci_create_host_bridge() Date: Tue, 24 Mar 2015 11:34:07 +0800 Message-ID: <1427168064-8657-14-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1427168064-8657-1-git-send-email-wangyijing@huawei.com> References: <1427168064-8657-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.100.166] X-CFilter-Loop: Reflected Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Move pcibios_root_bridge_prepare() to pci_create_host_bridge(). Signed-off-by: Yijing Wang --- drivers/pci/host-bridge.c | 16 +++++++++++++--- drivers/pci/probe.c | 3 --- 2 files changed, 13 insertions(+), 6 deletions(-) diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c index b0ed8da..87c4fc5 100644 --- a/drivers/pci/host-bridge.c +++ b/drivers/pci/host-bridge.c @@ -92,9 +92,7 @@ struct pci_host_bridge *pci_create_host_bridge( pr_warn("pci host bridge pci%04x:%02x exist\n", host->domain, bus); mutex_unlock(&pci_host_mutex); - pci_free_resource_list(&host->windows); - kfree(host); - return NULL; + goto free_res; } } list_add_tail(&host->list, &pci_host_bridge_list); @@ -105,6 +103,10 @@ struct pci_host_bridge *pci_create_host_bridge( dev_set_name(&host->dev, "pci%04x:%02x", host->domain, bus); + error = pcibios_root_bridge_prepare(host); + if (error) + goto list_del; + error = device_register(&host->dev); if (error) { put_device(&host->dev); @@ -112,6 +114,14 @@ struct pci_host_bridge *pci_create_host_bridge( } return host; +list_del: + mutex_lock(&pci_host_mutex); + list_del(&host->list); + mutex_unlock(&pci_host_mutex); +free_res: + pci_free_resource_list(&host->windows); + kfree(host); + return NULL; } void pci_free_host_bridge(struct pci_host_bridge *host) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 418a426..ee17d9a 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1893,9 +1893,6 @@ static struct pci_bus *__pci_create_root_bus( bridge->bus = b; b->bridge = get_device(&bridge->dev); - error = pcibios_root_bridge_prepare(bridge); - if (error) - goto put_dev; pcibios_set_root_bus_speed(bridge); device_enable_async_suspend(b->bridge);