From patchwork Thu Jun 4 04:13:23 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiang Liu X-Patchwork-Id: 6543691 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id DA3D6C0020 for ; Thu, 4 Jun 2015 04:26:01 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 173BB204EA for ; Thu, 4 Jun 2015 04:26:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9067E20721 for ; Thu, 4 Jun 2015 04:25:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752692AbbFDEOz (ORCPT ); Thu, 4 Jun 2015 00:14:55 -0400 Received: from mga09.intel.com ([134.134.136.24]:17848 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752672AbbFDEOu (ORCPT ); Thu, 4 Jun 2015 00:14:50 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga102.jf.intel.com with ESMTP; 03 Jun 2015 21:14:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,549,1427785200"; d="scan'208";a="736801002" Received: from gerry-dev.bj.intel.com ([10.238.158.61]) by fmsmga002.fm.intel.com with ESMTP; 03 Jun 2015 21:14:46 -0700 From: Jiang Liu To: Thomas Gleixner , Bjorn Helgaas , Benjamin Herrenschmidt , Ingo Molnar , "H. Peter Anvin" , Randy Dunlap , Yinghai Lu , Borislav Petkov , Murali Karicheri Cc: Jiang Liu , Konrad Rzeszutek Wilk , Tony Luck , x86@kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [RFT v2 13/48] keystone, irq: Use irq_data_get_xxx() to avoid redundant lookup of irq_data Date: Thu, 4 Jun 2015 12:13:23 +0800 Message-Id: <1433391238-19471-14-git-send-email-jiang.liu@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1433391238-19471-1-git-send-email-jiang.liu@linux.intel.com> References: <1433391238-19471-1-git-send-email-jiang.liu@linux.intel.com> 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 Use irq_data_get_xxx() to avoid redundant lookup of irq_data while we already have a pointer to corresponding irq_data. Signed-off-by: Jiang Liu --- drivers/pci/host/pci-keystone-dw.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/pci/host/pci-keystone-dw.c b/drivers/pci/host/pci-keystone-dw.c index f34892e0edb4..e42d077039d3 100644 --- a/drivers/pci/host/pci-keystone-dw.c +++ b/drivers/pci/host/pci-keystone-dw.c @@ -104,14 +104,13 @@ static void ks_dw_pcie_msi_irq_ack(struct irq_data *d) { u32 offset, reg_offset, bit_pos; struct keystone_pcie *ks_pcie; - unsigned int irq = d->irq; struct msi_desc *msi; struct pcie_port *pp; - msi = irq_get_msi_desc(irq); + msi = irq_data_get_msi_desc(d); pp = sys_to_pcie(msi->dev->bus->sysdata); ks_pcie = to_keystone_pcie(pp); - offset = irq - irq_linear_revmap(pp->irq_domain, 0); + offset = d->irq - irq_linear_revmap(pp->irq_domain, 0); update_reg_offset_bit_pos(offset, ®_offset, &bit_pos); writel(BIT(bit_pos), @@ -142,15 +141,14 @@ void ks_dw_pcie_msi_clear_irq(struct pcie_port *pp, int irq) static void ks_dw_pcie_msi_irq_mask(struct irq_data *d) { struct keystone_pcie *ks_pcie; - unsigned int irq = d->irq; struct msi_desc *msi; struct pcie_port *pp; u32 offset; - msi = irq_get_msi_desc(irq); + msi = irq_data_get_msi_desc(d); pp = sys_to_pcie(msi->dev->bus->sysdata); ks_pcie = to_keystone_pcie(pp); - offset = irq - irq_linear_revmap(pp->irq_domain, 0); + offset = d->irq - irq_linear_revmap(pp->irq_domain, 0); /* Mask the end point if PVM implemented */ if (IS_ENABLED(CONFIG_PCI_MSI)) { @@ -164,15 +162,14 @@ static void ks_dw_pcie_msi_irq_mask(struct irq_data *d) static void ks_dw_pcie_msi_irq_unmask(struct irq_data *d) { struct keystone_pcie *ks_pcie; - unsigned int irq = d->irq; struct msi_desc *msi; struct pcie_port *pp; u32 offset; - msi = irq_get_msi_desc(irq); + msi = irq_data_get_msi_desc(d); pp = sys_to_pcie(msi->dev->bus->sysdata); ks_pcie = to_keystone_pcie(pp); - offset = irq - irq_linear_revmap(pp->irq_domain, 0); + offset = d->irq - irq_linear_revmap(pp->irq_domain, 0); /* Mask the end point if PVM implemented */ if (IS_ENABLED(CONFIG_PCI_MSI)) {