From patchwork Thu Jan 11 06:08:01 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manikanta Maddireddy X-Patchwork-Id: 858811 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-pci-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zHFml11ndz9s7n for ; Thu, 11 Jan 2018 17:08:22 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751129AbeAKGIU (ORCPT ); Thu, 11 Jan 2018 01:08:20 -0500 Received: from hqemgate16.nvidia.com ([216.228.121.65]:13322 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750892AbeAKGIT (ORCPT ); Thu, 11 Jan 2018 01:08:19 -0500 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com id ; Wed, 10 Jan 2018 22:08:32 -0800 Received: from HQMAIL103.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Wed, 10 Jan 2018 22:08:18 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Wed, 10 Jan 2018 22:08:18 -0800 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL103.nvidia.com (172.20.187.11) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 11 Jan 2018 06:08:18 +0000 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server id 15.0.1347.2 via Frontend Transport; Thu, 11 Jan 2018 06:08:18 +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 ; Wed, 10 Jan 2018 22:08:17 -0800 From: Manikanta Maddireddy To: , , , CC: , , , , , , , , , , , Manikanta Maddireddy Subject: [PATCH V6 0/7] Add loadable kernel module and power management support Date: Thu, 11 Jan 2018 11:38:01 +0530 Message-ID: <1515650888-9459-1-git-send-email-mmaddireddy@nvidia.com> X-Mailer: git-send-email 2.1.4 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 This series of patches adds loadable kernel module and power management support to Tegra PCIe host controller driver. irq_set_msi_desc() and tegra_cpuidle_pcie_irqs_in_use() symbols will be taken care in next set of patches. These patches are tested on Jetson TK1, TX1 and TX2 platforms, following are the verification details. - Multiple module insert & remove - PCIe device functionality after module insert - Free clock, resets, regulators, powergate, iomem and interrupt resources after module remove - PCIe device functionality after resume from RAM V2: PM QoS fix is dropped in V2 from this series because the fix is incorporated in latest 'commit 0759e80b84e3 ("PM / QoS: Fix device resume latency framework")'. Update commit message of few patches in V2. V3: Patches to export irq_set_msi_desc() and tegra_cpuidle_pcie_irqs_in_use() are dropped based on review comments. These symbols will be addressed in next series. Took care of few other review comments. V4: Dropped pci_find_host_bridge() export patch and added new patch to use bus->sysdata for private data. V5: Decouple from https://patchwork.ozlabs.org/patch/832053/ and rebase on top of linux-next V6: Rebased on lpieralisi/pci/tegra branch Manikanta Maddireddy (7): of: Export of_pci_range_to_resource() PCI: tegra: Use bus->sysdata to store and get host private data PCI: tegra: Remove PCI_REASSIGN_ALL_BUS flag for Tegra PCIe PCI: tegra: Free resources on probe failure PCI: tegra: Add loadable kernel module support PCI: tegra: Broadcast PME_Turn_Off message before link goes to L2 PCI: tegra: Add power management support drivers/of/address.c | 1 + drivers/pci/host/Kconfig | 2 +- drivers/pci/host/pci-tegra.c | 333 ++++++++++++++++++++++++++++++++----------- 3 files changed, 253 insertions(+), 83 deletions(-)