From patchwork Fri Dec 8 08:58:08 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manikanta Maddireddy X-Patchwork-Id: 10101813 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 EBE8A60360 for ; Fri, 8 Dec 2017 08:58:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DC83D28B41 for ; Fri, 8 Dec 2017 08:58:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CFD4E28B4F; Fri, 8 Dec 2017 08:58:51 +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,RCVD_IN_DNSWL_HI autolearn=unavailable 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 7E06428B41 for ; Fri, 8 Dec 2017 08:58:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752700AbdLHI6t (ORCPT ); Fri, 8 Dec 2017 03:58:49 -0500 Received: from hqemgate16.nvidia.com ([216.228.121.65]:15905 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752303AbdLHI6s (ORCPT ); Fri, 8 Dec 2017 03:58:48 -0500 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com id ; Fri, 08 Dec 2017 00:58:53 -0800 Received: from HQMAIL105.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Fri, 08 Dec 2017 00:58:47 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Fri, 08 Dec 2017 00:58:47 -0800 Received: from HQMAIL111.nvidia.com (172.20.187.18) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Fri, 8 Dec 2017 08:58:47 +0000 Received: from HQMAIL107.nvidia.com (172.20.187.13) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Fri, 8 Dec 2017 08:58:47 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server id 15.0.1293.2 via Frontend Transport; Fri, 8 Dec 2017 08:58:47 +0000 Received: from manikanta-pc.nvidia.com (Not Verified[10.19.65.28]) by hqnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Fri, 08 Dec 2017 00:58:46 -0800 From: Manikanta Maddireddy To: , , , CC: , , , , , , , , , , , Manikanta Maddireddy Subject: [PATCH V4 2/7] PCI: tegra: Use bus->sysdata to store and get host private data Date: Fri, 8 Dec 2017 14:28:08 +0530 Message-ID: <1512723493-865-3-git-send-email-mmaddireddy@nvidia.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1512723493-865-1-git-send-email-mmaddireddy@nvidia.com> References: <1512723493-865-1-git-send-email-mmaddireddy@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 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 Tegra host driver is using pci_find_host_bridge() to get private data, however pci_find_host_bridge() is causing module build failure because it is not exported. pci_find_host_bridge() can be avoided by using bus->sysdata to store and get private data. Signed-off-by: Manikanta Maddireddy Acked-by: Thierry Reding --- V4: * new patch in V4 drivers/pci/host/pci-tegra.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c index 6f2f44539020..a549c5899e26 100644 --- a/drivers/pci/host/pci-tegra.c +++ b/drivers/pci/host/pci-tegra.c @@ -448,8 +448,7 @@ static unsigned long tegra_pcie_conf_offset(unsigned char b, unsigned int devfn, static int tegra_pcie_add_bus(struct pci_bus *bus) { - struct pci_host_bridge *host = pci_find_host_bridge(bus); - struct tegra_pcie *pcie = pci_host_bridge_priv(host); + struct tegra_pcie *pcie = bus->sysdata; struct tegra_pcie_bus *b; b = kzalloc(sizeof(*b), GFP_KERNEL); @@ -466,8 +465,7 @@ static int tegra_pcie_add_bus(struct pci_bus *bus) static void tegra_pcie_remove_bus(struct pci_bus *child) { - struct pci_host_bridge *host = pci_find_host_bridge(child); - struct tegra_pcie *pcie = pci_host_bridge_priv(host); + struct tegra_pcie *pcie = child->sysdata; struct tegra_pcie_bus *bus, *tmp; list_for_each_entry_safe(bus, tmp, &pcie->buses, list) { @@ -483,8 +481,7 @@ static void __iomem *tegra_pcie_map_bus(struct pci_bus *bus, unsigned int devfn, int where) { - struct pci_host_bridge *host = pci_find_host_bridge(bus); - struct tegra_pcie *pcie = pci_host_bridge_priv(host); + struct tegra_pcie *pcie = bus->sysdata; void __iomem *addr = NULL; u32 val = 0; u32 offset = 0; @@ -675,8 +672,7 @@ static int tegra_pcie_request_resources(struct tegra_pcie *pcie) static int tegra_pcie_map_irq(const struct pci_dev *pdev, u8 slot, u8 pin) { - struct pci_host_bridge *host = pci_find_host_bridge(pdev->bus); - struct tegra_pcie *pcie = pci_host_bridge_priv(host); + struct tegra_pcie *pcie = pdev->bus->sysdata; int irq; tegra_cpuidle_pcie_irqs_in_use(); @@ -2570,6 +2566,7 @@ static int tegra_pcie_probe(struct platform_device *pdev) return -ENOMEM; pcie = pci_host_bridge_priv(host); + host->sysdata = pcie; pcie->soc = of_device_get_match_data(dev); INIT_LIST_HEAD(&pcie->buses);