From patchwork Tue Jan 9 09:19:32 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manikanta Maddireddy X-Patchwork-Id: 857316 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zG67K1Gn9z9sNr for ; Tue, 9 Jan 2018 20:20:29 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752075AbeAIJU0 (ORCPT ); Tue, 9 Jan 2018 04:20:26 -0500 Received: from hqemgate14.nvidia.com ([216.228.121.143]:6438 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752064AbeAIJUY (ORCPT ); Tue, 9 Jan 2018 04:20:24 -0500 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com id ; Tue, 09 Jan 2018 01:20:15 -0800 Received: from HQMAIL108.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Tue, 09 Jan 2018 01:21:21 -0800 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Tue, 09 Jan 2018 01:21:21 -0800 Received: from HQMAIL112.nvidia.com (172.18.146.18) by HQMAIL108.nvidia.com (172.18.146.13) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 9 Jan 2018 09:20:23 +0000 Received: from HQMAIL104.nvidia.com (172.18.146.11) by HQMAIL112.nvidia.com (172.18.146.18) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 9 Jan 2018 09:20:23 +0000 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by HQMAIL104.nvidia.com (172.18.146.11) with Microsoft SMTP Server id 15.0.1347.2 via Frontend Transport; Tue, 9 Jan 2018 09:20:23 +0000 Received: from manikanta-pc.nvidia.com (Not Verified[10.19.65.32]) by hqnvemgw02.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Tue, 09 Jan 2018 01:20:22 -0800 From: Manikanta Maddireddy To: , , , CC: , , , , , , , , , , , Manikanta Maddireddy Subject: [PATCH V5 2/7] PCI: tegra: Use bus->sysdata to store and get host private data Date: Tue, 9 Jan 2018 14:49:32 +0530 Message-ID: <1515489577-2197-3-git-send-email-mmaddireddy@nvidia.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1515489577-2197-1-git-send-email-mmaddireddy@nvidia.com> References: <1515489577-2197-1-git-send-email-mmaddireddy@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org 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 V5: * Rebase on top of linux-next drivers/pci/host/pci-tegra.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c index e126341fcb36..d790a26ad87e 100644 --- a/drivers/pci/host/pci-tegra.c +++ b/drivers/pci/host/pci-tegra.c @@ -379,8 +379,7 @@ 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; if (bus->number == 0) { @@ -573,8 +572,7 @@ 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(); @@ -2258,6 +2256,7 @@ 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->ports);