From patchwork Wed Sep 16 21:57:06 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinghai Lu X-Patchwork-Id: 518582 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 763E5140134 for ; Thu, 17 Sep 2015 07:58:57 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753136AbbIPV6q (ORCPT ); Wed, 16 Sep 2015 17:58:46 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:47588 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752252AbbIPV6l (ORCPT ); Wed, 16 Sep 2015 17:58:41 -0400 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id t8GLwDRB021216 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 16 Sep 2015 21:58:14 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.13.8/8.13.8) with ESMTP id t8GLwDSg028539 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Wed, 16 Sep 2015 21:58:13 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userv0122.oracle.com (8.13.8/8.13.8) with ESMTP id t8GLwDM9001836; Wed, 16 Sep 2015 21:58:13 GMT Received: from linux-siqj.site (/10.132.127.48) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 16 Sep 2015 14:58:13 -0700 From: Yinghai Lu To: Bjorn Helgaas , David Miller , Benjamin Herrenschmidt , Wei Yang , TJ , Yijing Wang Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Yinghai Lu Subject: [PATCH v5 08/53] PCI: Remove duplicated code for resource sorting Date: Wed, 16 Sep 2015 14:57:06 -0700 Message-Id: <1442440671-5361-9-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.8.4.5 In-Reply-To: <1442440671-5361-1-git-send-email-yinghai@kernel.org> References: <1442440671-5361-1-git-send-email-yinghai@kernel.org> X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Now sort_resources() and pdev_sort_resources() all have sorting code. As we are going to call sort_resources() several places later for alt_size support, so choose to remove related code in pdev_sort_resources(). Signed-off-by: Yinghai Lu --- drivers/pci/setup-bus.c | 22 +++------------------- 1 file changed, 3 insertions(+), 19 deletions(-) diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 555a7a3..44d63c0 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -214,9 +214,8 @@ static void pdev_sort_resources(struct pci_dev *dev, for (i = 0; i < PCI_NUM_RESOURCES; i++) { struct resource *r; - struct pci_dev_resource *dev_res, *tmp; + struct pci_dev_resource *tmp; resource_size_t r_align; - struct list_head *n; r = &dev->resource[i]; @@ -239,22 +238,7 @@ static void pdev_sort_resources(struct pci_dev *dev, tmp->res = r; tmp->dev = dev; - /* fallback is smallest one or list is empty*/ - n = head; - list_for_each_entry(dev_res, head, list) { - resource_size_t align; - - align = __pci_resource_alignment(dev_res->dev, - dev_res->res, - realloc_head); - - if (r_align > align) { - n = &dev_res->list; - break; - } - } - /* Insert it just before n*/ - list_add_tail(&tmp->list, n); + list_add_tail(&tmp->list, head); } } @@ -557,9 +541,9 @@ static void __assign_resources_sorted(struct list_head *head, } free_list(&save_head); +requested_and_reassign: sort_resources(head); -requested_and_reassign: /* Satisfy the must-have resource requests */ assign_requested_resources_sorted(head, fail_head);