Re: [PATCH v5 00/14] PCI: Add support for Apple M1

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On Wed, Sep 29, 2021 at 05:38:33PM +0100, Marc Zyngier wrote:
> This is v5 of the series adding PCIe support for the M1 SoC. Not a lot
> has changed this time around, and most of what I was saying in [1] is
> still valid.
> 
> Very little has changed code wise (a couple of bug fixes). The series
> however now carries a bunch of DT updates so that people can actually
> make use of PCIe on an M1 box (OK, not quite, you will still need [2],
> or whatever version replaces it). The corresponding bindings are
> either already merged, or queued for 5.16 (this is the case for the
> PCI binding).
> 
> It all should be in a state that makes it mergeable (yeah, I said that
> last time... I mean it this time! ;-).
> 
> As always, comments welcome.
> 
> 	M.
> 
> [1] https://lore.kernel.org/r/20210922205458.358517-1-maz@xxxxxxxxxx
> [2] https://lore.kernel.org/r/20210921222956.40719-2-joey.gouly@xxxxxxx
> 
> Alyssa Rosenzweig (2):
>   PCI: apple: Add initial hardware bring-up
>   PCI: apple: Set up reference clocks when probing
> 
> Marc Zyngier (10):
>   irqdomain: Make of_phandle_args_to_fwspec generally available
>   of/irq: Allow matching of an interrupt-map local to an interrupt
>     controller
>   PCI: of: Allow matching of an interrupt-map local to a PCI device
>   PCI: apple: Add INTx and per-port interrupt support
>   PCI: apple: Implement MSI support
>   iommu/dart: Exclude MSI doorbell from PCIe device IOVA range
>   PCI: apple: Configure RID to SID mapper on device addition
>   arm64: dts: apple: t8103: Add PCIe DARTs
>   arm64: dts: apple: t8103: Add root port interrupt routing
>   arm64: dts: apple: j274: Expose PCI node for the Ethernet MAC address
> 
> Mark Kettenis (2):
>   arm64: apple: Add pinctrl nodes
>   arm64: apple: Add PCIe node
> 
>  MAINTAINERS                              |   7 +
>  arch/arm64/boot/dts/apple/t8103-j274.dts |  23 +
>  arch/arm64/boot/dts/apple/t8103.dtsi     | 203 ++++++
>  drivers/iommu/apple-dart.c               |  27 +
>  drivers/of/irq.c                         |  17 +-
>  drivers/pci/controller/Kconfig           |  17 +
>  drivers/pci/controller/Makefile          |   1 +
>  drivers/pci/controller/pcie-apple.c      | 822 +++++++++++++++++++++++
>  drivers/pci/of.c                         |  10 +-
>  include/linux/irqdomain.h                |   4 +
>  kernel/irq/irqdomain.c                   |   6 +-
>  11 files changed, 1127 insertions(+), 10 deletions(-)
>  create mode 100644 drivers/pci/controller/pcie-apple.c

I have applied (with very minor log changes) patches [1-9] to
pci/apple for v5.16, I expect the dts changes to go via the
arm-soc tree separately, please let me know if that works for you.

Thanks,
Lorenzo



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