From patchwork Tue Mar 30 15:11:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 12172901 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.0 required=3.0 tests=BAYES_00,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0AD84C433C1 for ; Tue, 30 Mar 2021 15:12:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF8EE619CB for ; Tue, 30 Mar 2021 15:12:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231928AbhC3PMW (ORCPT ); Tue, 30 Mar 2021 11:12:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:59616 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231655AbhC3PLx (ORCPT ); Tue, 30 Mar 2021 11:11:53 -0400 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 35B3B619CD; Tue, 30 Mar 2021 15:11:52 +0000 (UTC) Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1lRG22-004i6i-4k; Tue, 30 Mar 2021 16:11:50 +0100 From: Marc Zyngier To: Lorenzo Pieralisi , Bjorn Helgaas Cc: Frank Wunderlich , Thierry Reding , Thomas Gleixner , Rob Herring , Will Deacon , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Michael Kelley , Wei Liu , Thierry Reding , Jonathan Hunter , Ryder Lee , Marek Vasut , Yoshihiro Shimoda , Michal Simek , Paul Walmsley , Bharat Kumar Gogada , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-hyperv@vger.kernel.org, linux-tegra@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-renesas-soc@vger.kernel.org, kernel-team@android.com Subject: [PATCH v3 00/14] PCI/MSI: Getting rid of msi_controller, and other cleanups Date: Tue, 30 Mar 2021 16:11:31 +0100 Message-Id: <20210330151145.997953-1-maz@kernel.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: lorenzo.pieralisi@arm.com, bhelgaas@google.com, frank-w@public-files.de, treding@nvidia.com, tglx@linutronix.de, robh@kernel.org, will@kernel.org, kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, mikelley@microsoft.com, wei.liu@kernel.org, thierry.reding@gmail.com, jonathanh@nvidia.com, ryder.lee@mediatek.com, marek.vasut+renesas@gmail.com, yoshihiro.shimoda.uh@renesas.com, michal.simek@xilinx.com, paul.walmsley@sifive.com, bharatku@xilinx.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-hyperv@vger.kernel.org, linux-tegra@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-renesas-soc@vger.kernel.org, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org This is a respin of the series described at [1]. * From v2 [2]: - Fixed the Xilinx driver, thanks to Bharat for testing it - Dropped the no_msi attribute, and solely rely on msi_domain, which has the same effect for the only platform that was using it. - Fixed compilation on architectures that do not select the generic MSI support * From v1: - Extracted the changes dealing with the MSI capture address for rcar and xilinx and moved them to separate patches - Changed the rcar code to cope with c4e0fec2f7ee ("PCI: rcar: Always allocate MSI addresses in 32bit space") - Fixed rcar resume code - Reworked commit messages - Rebased onto v5.12-rc4 - Collected Acks, and TBs, with thanks. [1] https://lore.kernel.org/r/20210225151023.3642391-1-maz@kernel.org [2] https://lore.kernel.org/r/20210322184614.802565-1-maz@kernel.org Marc Zyngier (13): PCI: tegra: Convert to MSI domains PCI: rcar: Don't allocate extra memory for the MSI capture address PCI: rcar: Convert to MSI domains PCI: xilinx: Don't allocate extra memory for the MSI capture address PCI: xilinx: Convert to MSI domains PCI: hv: Drop msi_controller structure PCI/MSI: Drop use of msi_controller from core code PCI/MSI: Kill msi_controller structure PCI/MSI: Kill default_teardown_msi_irqs() PCI/MSI: Let PCI host bridges declare their reliance on MSI domains PCI/MSI: Make pci_host_common_probe() declare its reliance on MSI domains PCI/MSI: Document the various ways of ending up with NO_MSI PCI: Refactor HT advertising of NO_MSI flag Thomas Gleixner (1): PCI: mediatek: Advertise lack of built-in MSI handling drivers/pci/controller/Kconfig | 4 +- drivers/pci/controller/pci-host-common.c | 1 + drivers/pci/controller/pci-hyperv.c | 4 - drivers/pci/controller/pci-tegra.c | 343 ++++++++++++---------- drivers/pci/controller/pcie-mediatek.c | 4 + drivers/pci/controller/pcie-rcar-host.c | 356 +++++++++++------------ drivers/pci/controller/pcie-xilinx.c | 246 +++++++--------- drivers/pci/msi.c | 45 +-- drivers/pci/probe.c | 4 +- drivers/pci/quirks.c | 15 +- include/linux/msi.h | 17 +- include/linux/pci.h | 3 +- 12 files changed, 484 insertions(+), 558 deletions(-)