From patchwork Wed Oct 12 13:33:14 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Helgaas X-Patchwork-Id: 9373097 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0531D60865 for ; Wed, 12 Oct 2016 13:33:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EBB3F29DCD for ; Wed, 12 Oct 2016 13:33:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E0C9A29DCF; Wed, 12 Oct 2016 13:33:42 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8387829DCE for ; Wed, 12 Oct 2016 13:33:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933746AbcJLNdZ (ORCPT ); Wed, 12 Oct 2016 09:33:25 -0400 Received: from mail.kernel.org ([198.145.29.136]:37022 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933747AbcJLNdT (ORCPT ); Wed, 12 Oct 2016 09:33:19 -0400 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3686A203DA; Wed, 12 Oct 2016 13:33:17 +0000 (UTC) Received: from localhost (unknown [69.71.4.155]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 20604203E9; Wed, 12 Oct 2016 13:33:16 +0000 (UTC) Subject: [PATCH v2 5/7] PCI: dra7xx: Pass device-specific struct to internal functions To: Kishon Vijay Abraham I From: Bjorn Helgaas Cc: linux-pci@vger.kernel.org, linux-omap@vger.kernel.org Date: Wed, 12 Oct 2016 08:33:14 -0500 Message-ID: <20161012133314.27714.27407.stgit@bhelgaas-glaptop2.roam.corp.google.com> In-Reply-To: <20161012133112.27714.93244.stgit@bhelgaas-glaptop2.roam.corp.google.com> References: <20161012133112.27714.93244.stgit@bhelgaas-glaptop2.roam.corp.google.com> User-Agent: StGit/0.16 MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Only interfaces used from outside the driver, e.g., those called by the DesignWare core, need to accept pointers to the generic struct pcie_port. Internal interfaces can accept pointers to the device-specific struct, which makes them more straightforward. No functional change intended. Signed-off-by: Bjorn Helgaas --- drivers/pci/host/pci-dra7xx.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c index 66077d0..efb24b8 100644 --- a/drivers/pci/host/pci-dra7xx.c +++ b/drivers/pci/host/pci-dra7xx.c @@ -91,9 +91,9 @@ static int dra7xx_pcie_link_up(struct pcie_port *pp) return !!(reg & LINK_UP); } -static int dra7xx_pcie_establish_link(struct pcie_port *pp) +static int dra7xx_pcie_establish_link(struct dra7xx_pcie *dra7xx) { - struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pp); + struct pcie_port *pp = &dra7xx->pp; struct device *dev = pp->dev; u32 reg; @@ -109,10 +109,8 @@ static int dra7xx_pcie_establish_link(struct pcie_port *pp) return dw_pcie_wait_for_link(pp); } -static void dra7xx_pcie_enable_interrupts(struct pcie_port *pp) +static void dra7xx_pcie_enable_interrupts(struct dra7xx_pcie *dra7xx) { - struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pp); - dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MAIN, ~INTERRUPTS); dra7xx_pcie_writel(dra7xx, @@ -131,6 +129,8 @@ static void dra7xx_pcie_enable_interrupts(struct pcie_port *pp) static void dra7xx_pcie_host_init(struct pcie_port *pp) { + struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pp); + pp->io_base &= DRA7XX_CPU_TO_BUS_ADDR; pp->mem_base &= DRA7XX_CPU_TO_BUS_ADDR; pp->cfg0_base &= DRA7XX_CPU_TO_BUS_ADDR; @@ -138,10 +138,10 @@ static void dra7xx_pcie_host_init(struct pcie_port *pp) dw_pcie_setup_rc(pp); - dra7xx_pcie_establish_link(pp); + dra7xx_pcie_establish_link(dra7xx); if (IS_ENABLED(CONFIG_PCI_MSI)) dw_pcie_msi_init(pp); - dra7xx_pcie_enable_interrupts(pp); + dra7xx_pcie_enable_interrupts(dra7xx); } static struct pcie_host_ops dra7xx_pcie_host_ops = { @@ -185,8 +185,8 @@ static int dra7xx_pcie_init_irq_domain(struct pcie_port *pp) static irqreturn_t dra7xx_pcie_msi_irq_handler(int irq, void *arg) { - struct pcie_port *pp = arg; - struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pp); + struct dra7xx_pcie *dra7xx = arg; + struct pcie_port *pp = &dra7xx->pp; u32 reg; reg = dra7xx_pcie_readl(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MSI); @@ -283,7 +283,7 @@ static int __init dra7xx_add_pcie_port(struct dra7xx_pcie *dra7xx, ret = devm_request_irq(dev, pp->irq, dra7xx_pcie_msi_irq_handler, IRQF_SHARED | IRQF_NO_THREAD, - "dra7-pcie-msi", pp); + "dra7-pcie-msi", dra7xx); if (ret) { dev_err(dev, "failed to request irq\n"); return ret;