[PATCH v2 0/4] PCI: X-Gene: Add APM X-Gene v1 MSI/MSIX termination driver
Bjorn Helgaas
bhelgaas at google.com
Thu Mar 19 13:49:29 PDT 2015
[+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?
Bjorn
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