linux-kernel - [PATCH v4 00/10] PCI: Add support for Apple M1

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Date:   Wed, 22 Sep 2021 21:54:48 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pci@...r.kernel.org
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Stan Skowronek <stan@...ellium.com>,
        Mark Kettenis <kettenis@...nbsd.org>,
        Sven Peter <sven@...npeter.dev>,
        Hector Martin <marcan@...can.st>,
        Robin Murphy <Robin.Murphy@....com>, kernel-team@...roid.com
Subject: [PATCH v4 00/10] PCI: Add support for Apple M1

This is v4 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.

The most important change is that the driver now probes for the number
of RID-SID mapping registers instead of assuming 64 entries. The rest
is a bunch of limited cleanups and minor fixes.

This should now be in a state that makes it mergeable, although I
expect that some of the clock bits may have to be adapted (I haven't
followed the recent developments on that front).

As always, comments welcome.

[1] https://lore.kernel.org/r/20210913182550.264165-1-maz@kernel.org

Alyssa Rosenzweig (2):
  PCI: apple: Add initial hardware bring-up
  PCI: apple: Set up reference clocks when probing

Marc Zyngier (8):
  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
  arm64: apple: t8103: Add root port interrupt routing
  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

 MAINTAINERS                          |   7 +
 arch/arm64/boot/dts/apple/t8103.dtsi |  33 +-
 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  | 826 +++++++++++++++++++++++++++
 drivers/pci/of.c                     |  10 +-
 include/linux/irqdomain.h            |   4 +
 kernel/irq/irqdomain.c               |   6 +-
 10 files changed, 935 insertions(+), 13 deletions(-)
 create mode 100644 drivers/pci/controller/pcie-apple.c

-- 
2.30.2