From patchwork Tue Sep 3 07:35:13 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yijing Wang X-Patchwork-Id: 2853109 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 961F2C0AB5 for ; Tue, 3 Sep 2013 07:36:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7DACA20319 for ; Tue, 3 Sep 2013 07:36:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6A7F4201FD for ; Tue, 3 Sep 2013 07:36:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932556Ab3ICHgT (ORCPT ); Tue, 3 Sep 2013 03:36:19 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:46176 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932481Ab3ICHgH (ORCPT ); Tue, 3 Sep 2013 03:36:07 -0400 Received: from 172.24.2.119 (EHLO szxeml207-edg.china.huawei.com) ([172.24.2.119]) by szxrg03-dlp.huawei.com (MOS 4.4.2a-FCS FastPath queued) with ESMTP id ADU71933; Tue, 03 Sep 2013 15:35:46 +0800 (CST) Received: from SZXEML457-HUB.china.huawei.com (10.82.67.200) by szxeml207-edg.china.huawei.com (172.24.2.56) with Microsoft SMTP Server (TLS) id 14.1.323.7; Tue, 3 Sep 2013 15:35:44 +0800 Received: from localhost (10.135.76.69) by szxeml457-hub.china.huawei.com (10.82.67.200) with Microsoft SMTP Server id 14.1.323.7; Tue, 3 Sep 2013 15:35:36 +0800 From: Yijing Wang To: Benjamin Herrenschmidt , Gavin Shan , Bjorn Helgaas , "James E.J. Bottomley" , "David S. Miller" CC: , , Yijing Wang , Hanjun Guo , , Subject: [PATCH 5/7] ixgbe: use pcie_capability_read_word() to simplify code Date: Tue, 3 Sep 2013 15:35:13 +0800 Message-ID: <1378193715-25328-5-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.11.msysgit.1 In-Reply-To: <1378193715-25328-1-git-send-email-wangyijing@huawei.com> References: <1378193715-25328-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.135.76.69] 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=-9.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 use pcie_capability_read_word() to simplify code. Signed-off-by: Yijing Wang Cc: e1000-devel@lists.sourceforge.net Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 6 ++---- 1 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index bad8f14..bfa0b06 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -152,7 +152,6 @@ MODULE_VERSION(DRV_VERSION); static int ixgbe_read_pci_cfg_word_parent(struct ixgbe_adapter *adapter, u32 reg, u16 *value) { - int pos = 0; struct pci_dev *parent_dev; struct pci_bus *parent_bus; @@ -164,11 +163,10 @@ static int ixgbe_read_pci_cfg_word_parent(struct ixgbe_adapter *adapter, if (!parent_dev) return -1; - pos = pci_find_capability(parent_dev, PCI_CAP_ID_EXP); - if (!pos) + if (!pci_is_pcie(parent_dev)) return -1; - pci_read_config_word(parent_dev, pos + reg, value); + pcie_capability_read_word(parent_dev, reg, value); return 0; }