From patchwork Fri Oct 7 16:32:52 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Helgaas X-Patchwork-Id: 9366733 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 7F33260487 for ; Fri, 7 Oct 2016 16:32:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7087D29777 for ; Fri, 7 Oct 2016 16:32:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6567C29779; Fri, 7 Oct 2016 16:32:58 +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 0BBFD29777 for ; Fri, 7 Oct 2016 16:32:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936330AbcJGQc5 (ORCPT ); Fri, 7 Oct 2016 12:32:57 -0400 Received: from mail.kernel.org ([198.145.29.136]:50632 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933163AbcJGQc5 (ORCPT ); Fri, 7 Oct 2016 12:32:57 -0400 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9340C203DA; Fri, 7 Oct 2016 16:32:55 +0000 (UTC) Received: from localhost (unknown [69.55.156.165]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8038420340; Fri, 7 Oct 2016 16:32:54 +0000 (UTC) Subject: [PATCH 3/8] PCI: artpec6: Pass device-specific struct to internal functions To: Jesper Nilsson , Niklas Cassel From: Bjorn Helgaas Cc: linux-pci@vger.kernel.org, linux-arm-kernel@axis.com Date: Fri, 07 Oct 2016 11:32:52 -0500 Message-ID: <20161007163252.24751.99826.stgit@bhelgaas-glaptop2.roam.corp.google.com> In-Reply-To: <20161007163233.24751.17505.stgit@bhelgaas-glaptop2.roam.corp.google.com> References: <20161007163233.24751.17505.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 Acked-by: Jesper Nilsson --- drivers/pci/host/pcie-artpec6.c | 24 +++++++++++++++--------- 1 file changed, 15 insertions(+), 9 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/pcie-artpec6.c b/drivers/pci/host/pcie-artpec6.c index 6cfd7a5..585aac21b 100644 --- a/drivers/pci/host/pcie-artpec6.c +++ b/drivers/pci/host/pcie-artpec6.c @@ -78,9 +78,9 @@ static void artpec6_writel(struct artpec6_pcie *artpec6, u32 offset, u32 val) regmap_write(artpec6->regmap, offset, val); } -static int artpec6_pcie_establish_link(struct pcie_port *pp) +static int artpec6_pcie_establish_link(struct artpec6_pcie *artpec6) { - struct artpec6_pcie *artpec6 = to_artpec6_pcie(pp); + struct pcie_port *pp = &artpec6->pp; u32 val; unsigned int retries; @@ -165,16 +165,20 @@ static int artpec6_pcie_establish_link(struct pcie_port *pp) return -ETIMEDOUT; } -static void artpec6_pcie_enable_interrupts(struct pcie_port *pp) +static void artpec6_pcie_enable_interrupts(struct artpec6_pcie *artpec6) { + struct pcie_port *pp = &artpec6->pp; + if (IS_ENABLED(CONFIG_PCI_MSI)) dw_pcie_msi_init(pp); } static void artpec6_pcie_host_init(struct pcie_port *pp) { - artpec6_pcie_establish_link(pp); - artpec6_pcie_enable_interrupts(pp); + struct artpec6_pcie *artpec6 = to_artpec6_pcie(pp); + + artpec6_pcie_establish_link(artpec6); + artpec6_pcie_enable_interrupts(artpec6); } static int artpec6_pcie_link_up(struct pcie_port *pp) @@ -199,14 +203,16 @@ static struct pcie_host_ops artpec6_pcie_host_ops = { static irqreturn_t artpec6_pcie_msi_handler(int irq, void *arg) { - struct pcie_port *pp = arg; + struct artpec6_pcie *artpec6 = arg; + struct pcie_port *pp = &artpec6->pp; return dw_handle_msi_irq(pp); } -static int artpec6_add_pcie_port(struct pcie_port *pp, +static int artpec6_add_pcie_port(struct artpec6_pcie *artpec6, struct platform_device *pdev) { + struct pcie_port *pp = &artpec6->pp; int ret; if (IS_ENABLED(CONFIG_PCI_MSI)) { @@ -219,7 +225,7 @@ static int artpec6_add_pcie_port(struct pcie_port *pp, ret = devm_request_irq(&pdev->dev, pp->msi_irq, artpec6_pcie_msi_handler, IRQF_SHARED | IRQF_NO_THREAD, - "artpec6-pcie-msi", pp); + "artpec6-pcie-msi", artpec6); if (ret) { dev_err(&pdev->dev, "failed to request MSI irq\n"); return ret; @@ -269,7 +275,7 @@ static int artpec6_pcie_probe(struct platform_device *pdev) if (IS_ERR(artpec6->regmap)) return PTR_ERR(artpec6->regmap); - ret = artpec6_add_pcie_port(pp, pdev); + ret = artpec6_add_pcie_port(artpec6, pdev); if (ret < 0) return ret;