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SubjectRe: [PATCH 0/4] PCI: mvebu: Add support for error interrupt
Date
Pali Rohár <pali@kernel.org> writes:

> PCI mvebu error interrupt source is triggered for non-INTx event.
> So e.g. when AER or PME event occurs.
>
> This patch series adds support for reporting AER and PME interrupts on
> Marvell PCIe Root Ports which allows use to kernel AER and PME drivers.
>
> Without this change kernel AER and PME drivers do not work at all.
>
> DT bindings for this support is currently provided only for Kirkwood and
> Dove platforms as other new mvebu SoCs requires extension to armada IRQ
> driver, which is currently disallowed.
>
> Without new DTS files, pci-mvebu.c driver acts as before this change,
> there is no AER and PME kernel support.
>
> I have tested this change on Armada 385 board (with additional changes
> to A385 DTS files and IRQ driver, not included there) and AER interrupt
> is delivered to kernel AER driver correctly.
>
> Pali Rohár (4):
> dt-bindings: PCI: mvebu: Update information about error interrupt
> PCI: mvebu: Implement support for interrupts on emulated bridge


> ARM: dts: kirkwood: Add definitions for PCIe error interrupts
> ARM: dts: dove: Add definitions for PCIe error interrupts

Applied both dts patches on mvebu/dt

Thanks,

Gregory


>
> .../devicetree/bindings/pci/mvebu-pci.txt | 1 +
> arch/arm/boot/dts/dove.dtsi | 8 +-
> arch/arm/boot/dts/kirkwood-6192.dtsi | 4 +-
> arch/arm/boot/dts/kirkwood-6281.dtsi | 4 +-
> arch/arm/boot/dts/kirkwood-6282.dtsi | 8 +-
> arch/arm/boot/dts/kirkwood-98dx4122.dtsi | 4 +-
> drivers/pci/controller/pci-mvebu.c | 256 ++++++++++++++++--
> 7 files changed, 252 insertions(+), 33 deletions(-)
>
> --
> 2.20.1
>

--
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com

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