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    SubjectRe: [RFC PATCH 0/4] ACPI based PCI host driver with generic ECAM
    On Fri, Mar 18, 2016 at 1:48 AM, Jayachandran C <jchandra@broadcom.com> wrote:
    > Hi Bjorn,
    >
    > Here is a new patchset for the ACPI PCI controller driver based on the
    > earlier discussion[1].
    >
    > The first two patches in the patchset implements pci/ecam.c for generic
    > config space access and uses it in pci-host-generic.c and related files.
    >
    > The third patch implements the ACPI PCI host driver using the same ecam
    > access functions. The fourth patch adds the implementation of raw
    > operations.
    >
    > I have not used the pci_mmcfg_list or the region definitions from x86,
    > but have used a much simpler approach here.
    >
    > This should apply cleanly on top of the current pci next tree, and
    > can be reviewed as a patchset. To use it on ARM64, we need to pull
    > in about 7 patches more from Tomasz patchset that fixes various
    > issues (like stub code in arm64 pci.c, ACPI companion setup,
    > domain number assignment, IO resources fixup etc.).
    >
    > If you are okay with this approach, I will work with Tomasz and
    > post the full patchset.
    >
    > This has been tested on qemu with OVMF for the ACPI part and with
    > device tree for pci-host-generic code.

    The full patchset is available at https://github.com/jchandra-brcm/linux.git on
    branch arm64-acpi-pci, if anyone wants to try it.

    Comments, suggestions and testing would be welcome.

    Thanks,
    JC.

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