Subject: [PATCH v2 0/4] PCI: X-Gene: Add APM X-Gene v1 MSI/MSIX termination driver

From: [email-masked] (Bjorn Helgaas)
Date: Thu, 19 Mar 2015 15:49:29 -0500

[+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 <[email-masked]> 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