From mboxrd@z Thu Jan 1 00:00:00 1970 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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 57FB3C43215 for ; Tue, 19 Nov 2019 11:18:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 398F220409 for ; Tue, 19 Nov 2019 11:18:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727939AbfKSLSx (ORCPT ); Tue, 19 Nov 2019 06:18:53 -0500 Received: from foss.arm.com ([217.140.110.172]:50972 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725904AbfKSLSx (ORCPT ); Tue, 19 Nov 2019 06:18:53 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 38842FEC; Tue, 19 Nov 2019 03:18:52 -0800 (PST) Received: from localhost (unknown [10.37.6.20]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6F07D3F703; Tue, 19 Nov 2019 03:18:51 -0800 (PST) Date: Tue, 19 Nov 2019 11:18:49 +0000 From: Andrew Murray To: Nicolas Saenz Julienne Cc: maz@kernel.org, linux-kernel@vger.kernel.org, james.quinlan@broadcom.com, mbrugger@suse.com, f.fainelli@gmail.com, phil@raspberrypi.org, wahrenst@gmx.net, jeremy.linton@arm.com, Robin Murphy , bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-rockchip@lists.infradead.org, iommu@lists.linux-foundation.org Subject: Re: [PATCH v2 0/6] Raspberry Pi 4 PCIe support Message-ID: <20191119111848.GR43905@e119886-lin.cambridge.arm.com> References: <20191112155926.16476-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191112155926.16476-1-nsaenzjulienne@suse.de> User-Agent: Mutt/1.10.1+81 (426a6c1) (2018-08-26) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 12, 2019 at 04:59:19PM +0100, Nicolas Saenz Julienne wrote: > This series aims at providing support for Raspberry Pi 4's PCIe > controller, which is also shared with the Broadcom STB family of > devices. > > There was a previous attempt to upstream this some years ago[1] but was > blocked as most STB PCIe integrations have a sparse DMA mapping[2] which > is something currently not supported by the kernel. Luckily this is not > the case for the Raspberry Pi 4. > > Note that the driver code is to be based on top of Rob Herring's series > simplifying inbound and outbound range parsing. > > [1] https://patchwork.kernel.org/cover/10605933/ > [2] https://patchwork.kernel.org/patch/10605957/ > What happened to patch 3? I can't see it on the list or in patchwork? Thanks, Andrew Murray > --- > > Changes since v1: > - add generic rounddown/roundup_pow_two64() patch > - Add MAINTAINERS patch > - Fix Kconfig > - Cleanup probe, use up to date APIs, exit on MSI failure > - Get rid of linux,pci-domain and other unused constructs > - Use edge triggered setup for MSI > - Cleanup MSI implementation > - Fix multiple cosmetic issues > - Remove supend/resume code > > Jim Quinlan (3): > dt-bindings: PCI: Add bindings for brcmstb's PCIe device > PCI: brcmstb: add Broadcom STB PCIe host controller driver > PCI: brcmstb: add MSI capability > > Nicolas Saenz Julienne (3): > linux/log2.h: Add roundup/rounddown_pow_two64() family of functions > ARM: dts: bcm2711: Enable PCIe controller > MAINTAINERS: Add brcmstb PCIe controller > > .../bindings/pci/brcm,stb-pcie.yaml | 110 ++ > MAINTAINERS | 4 + > arch/arm/boot/dts/bcm2711.dtsi | 46 + > drivers/net/ethernet/mellanox/mlx4/en_clock.c | 3 +- > drivers/pci/controller/Kconfig | 9 + > drivers/pci/controller/Makefile | 1 + > drivers/pci/controller/pcie-brcmstb.c | 1179 +++++++++++++++++ > drivers/pci/controller/pcie-cadence-ep.c | 7 +- > drivers/pci/controller/pcie-cadence.c | 7 +- > drivers/pci/controller/pcie-rockchip-ep.c | 9 +- > include/linux/log2.h | 52 + > kernel/dma/direct.c | 3 +- > 12 files changed, 1412 insertions(+), 18 deletions(-) > create mode 100644 Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml > create mode 100644 drivers/pci/controller/pcie-brcmstb.c > > -- > 2.24.0 >