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

[Duc Dang]

On Thu, Mar 19, 2015 at 1:49 PM, Bjorn Helgaas <bhelgaas at google.com> wrote:
> [+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 <dhdang at apm.com> 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?
>
Hi Bjorn,

You are correct. I am making the changes as Marc pointed out. Will
update a new version soon.

Regards,
Duc Dang.

> Bjorn