From patchwork Thu Oct 1 05:52:57 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinghai Lu X-Patchwork-Id: 524772 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 D7EAC140D6E for ; Thu, 1 Oct 2015 15:59:34 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756086AbbJAF71 (ORCPT ); Thu, 1 Oct 2015 01:59:27 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:21855 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755287AbbJAF7Y (ORCPT ); Thu, 1 Oct 2015 01:59:24 -0400 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id t915sBoP017744 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 1 Oct 2015 05:54:11 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id t915sArA009707 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Thu, 1 Oct 2015 05:54:10 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0122.oracle.com (8.13.8/8.13.8) with ESMTP id t915s9L3027898; Thu, 1 Oct 2015 05:54:09 GMT Received: from linux-siqj.site (/10.154.161.115) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 30 Sep 2015 22:54:09 -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 v6 23/53] PCI: Simplify res reference using in __assign_resources_sorted() Date: Wed, 30 Sep 2015 22:52:57 -0700 Message-Id: <1443678807-786-24-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.8.4.5 In-Reply-To: <1443678807-786-1-git-send-email-yinghai@kernel.org> References: <1443678807-786-1-git-send-email-yinghai@kernel.org> X-Source-IP: aserv0021.oracle.com [141.146.126.233] Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org There are couples of dev_res->res reference, to make code more readable use res instead of dev_res->res directly. Signed-off-by: Yinghai Lu --- drivers/pci/setup-bus.c | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 2ef3356..2c81d76 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -458,6 +458,7 @@ static void __assign_resources_sorted(struct list_head *head, struct pci_dev_resource *dev_res, *tmp_res; unsigned long fail_type; resource_size_t add_align; + struct resource *res; /* Check if optional add_size is there */ if (!realloc_head || list_empty(realloc_head)) @@ -473,8 +474,8 @@ static void __assign_resources_sorted(struct list_head *head, /* Update res in head list with add_size in realloc_head list */ list_for_each_entry(dev_res, head, list) { - dev_res->res->end += get_res_add_size(realloc_head, - dev_res->res); + res = dev_res->res; + res->end += get_res_add_size(realloc_head, res); /* * There are two kinds of additional resources in the list: @@ -483,16 +484,16 @@ static void __assign_resources_sorted(struct list_head *head, * 2. resource with IORESOURCE_SIZEALIGN * update size above already change alignment. */ - if (!(dev_res->res->flags & IORESOURCE_STARTALIGN)) + if (!(res->flags & IORESOURCE_STARTALIGN)) continue; - add_align = get_res_add_align(realloc_head, dev_res->res); + add_align = get_res_add_align(realloc_head, res); if (add_align) { - resource_size_t r_size = resource_size(dev_res->res); + resource_size_t r_size = resource_size(res); - dev_res->res->start = add_align; - dev_res->res->end = add_align + r_size - 1; + res->start = add_align; + res->end = add_align + r_size - 1; } } @@ -514,21 +515,21 @@ static void __assign_resources_sorted(struct list_head *head, /* check failed type */ fail_type = pci_fail_res_type_mask(&local_fail_head); /* remove not need to be released assigned res from head list etc */ - list_for_each_entry_safe(dev_res, tmp_res, head, list) - if (dev_res->res->parent && - !pci_need_to_release(fail_type, dev_res->res)) { + list_for_each_entry_safe(dev_res, tmp_res, head, list) { + res = dev_res->res; + if (res->parent && !pci_need_to_release(fail_type, res)) { /* remove it from realloc_head list */ - remove_from_list(realloc_head, dev_res->res); - remove_from_list(&save_head, dev_res->res); + remove_from_list(realloc_head, res); + remove_from_list(&save_head, res); list_del(&dev_res->list); kfree(dev_res); } + } free_list(&local_fail_head); /* Release assigned resource */ list_for_each_entry(dev_res, head, list) { - struct resource *res = dev_res->res; - + res = dev_res->res; if (res->parent) { dev_printk(KERN_DEBUG, &dev_res->dev->dev, "BAR %d: released %pR\n", @@ -539,8 +540,7 @@ static void __assign_resources_sorted(struct list_head *head, } /* Restore start/end/flags from saved list */ list_for_each_entry(save_res, &save_head, list) { - struct resource *res = save_res->res; - + res = save_res->res; res->start = save_res->start; res->end = save_res->end; res->flags = save_res->flags;