From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755962Ab2HAP5O (ORCPT ); Wed, 1 Aug 2012 11:57:14 -0400 Received: from mail-gh0-f174.google.com ([209.85.160.174]:56250 "EHLO mail-gh0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753913Ab2HAP5I (ORCPT ); Wed, 1 Aug 2012 11:57:08 -0400 From: Jiang Liu To: Bjorn Helgaas , Don Dutile , Colin Cross , Olof Johansson , Stephen Warren Cc: Jiang Liu , Yinghai Lu , Taku Izumi , "Rafael J . Wysocki" , Kenji Kaneshige , Yijing Wang , Russell King , linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, Jiang Liu Subject: [PATCH v3 12/32] PCI/ARM: use PCIe capabilities access functions to simplify implementation Date: Wed, 1 Aug 2012 23:54:17 +0800 Message-Id: <1343836477-7287-13-git-send-email-jiang.liu@huawei.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1343836477-7287-1-git-send-email-jiang.liu@huawei.com> References: <1343836477-7287-1-git-send-email-jiang.liu@huawei.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiang Liu Use PCIe capabilities access functions to simplify PCIe ARM implementation. Signed-off-by: Jiang Liu --- arch/arm/mach-tegra/pcie.c | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) diff --git a/arch/arm/mach-tegra/pcie.c b/arch/arm/mach-tegra/pcie.c index 0e09137..5f99d33 100644 --- a/arch/arm/mach-tegra/pcie.c +++ b/arch/arm/mach-tegra/pcie.c @@ -367,17 +367,8 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NVIDIA, 0x0bf1, tegra_pcie_fixup_class); /* Tegra PCIE requires relaxed ordering */ static void __devinit tegra_pcie_relax_enable(struct pci_dev *dev) { - u16 val16; - int pos = pci_find_capability(dev, PCI_CAP_ID_EXP); - - if (pos <= 0) { - dev_err(&dev->dev, "skipping relaxed ordering fixup\n"); - return; - } - - pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &val16); - val16 |= PCI_EXP_DEVCTL_RELAX_EN; - pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, val16); + pci_pcie_capability_change_word(dev, PCI_EXP_DEVCTL, + PCI_EXP_DEVCTL_RELAX_EN, 0); } DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, tegra_pcie_relax_enable); -- 1.7.9.5