From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ob0-f171.google.com ([209.85.214.171]:36351 "EHLO mail-ob0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750731AbbCSUtc (ORCPT ); Thu, 19 Mar 2015 16:49:32 -0400 Received: by obdfc2 with SMTP id fc2so64075489obd.3 for ; Thu, 19 Mar 2015 13:49:32 -0700 (PDT) Date: Thu, 19 Mar 2015 15:49:29 -0500 From: Bjorn Helgaas To: Duc Dang Cc: Arnd Bergmann , Grant Likely , Liviu Dudau , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Tanmay Inamdar , Loc Ho , Feng Kan , Marc Zyngier Subject: Re: [PATCH v2 0/4] PCI: X-Gene: Add APM X-Gene v1 MSI/MSIX termination driver Message-ID: <20150319204929.GH26935@google.com> References: <1678162.2PJ2o1jRen@wuerfel> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-pci-owner@vger.kernel.org List-ID: [+cc Marc] On Wed, Mar 18, 2015 at 10:43:10AM -0700, Duc Dang wrote: > On Wed, Mar 4, 2015 at 11:39 AM, Duc Dang wrote: > > This patch set adds MSI/MSIX termination driver support for APM X-Gene v1 SoC. > > APM X-Gene v1 SoC supports its own implementation of MSI, which is not compliant > > to GIC V2M specification for MSI Termination. > > > > There is single MSI block in X-Gene v1 SOC which serves all 5 PCIe ports. This MSI > > block supports 2688 MSI termination ports coalesced into 16 physical HW IRQ lines > > and shared across all 5 PCIe ports. > > > > v2 changes: > > 1. Use msi_controller structure > > 2. Remove arch hooks arch_teardown_msi_irqs and arch_setup_msi_irqs > > > > .../devicetree/bindings/pci/xgene-pci-msi.txt | 61 ++++ > > MAINTAINERS | 8 + > > arch/arm64/boot/dts/apm/apm-storm.dtsi | 27 ++ > > drivers/pci/host/Kconfig | 4 + > > drivers/pci/host/Makefile | 1 + > > drivers/pci/host/pci-xgene-msi.c | 393 +++++++++++++++++++++ > > drivers/pci/host/pci-xgene.c | 25 ++ > > 7 files changed, 519 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/pci/xgene-pci-msi.txt > > create mode 100644 drivers/pci/host/pci-xgene-msi.c > > > > -- > > 1.9.1 > > > Hi Bjorn, Arnd, and All, > > Did you have a chance to take a look at this v2 patch set for X-Gene 1 > MSI support? Marc had some comments, and as far as I can tell, you haven't addressed them yet. Am I mistaken? Bjorn