Re: [PATCH v12 10/12] PCI: Assign unassigned bus resources in pci_scan_root_bus()

[Arnd Bergmann]

On Sunday 28 September 2014 16:16:21 Suravee Suthikulpanit wrote:
> >
> > I'm not opposed to it, but I have the same question as for setting up
> > the domain: how does pci_scan_root_bus() learn what to assign to
> > bus->msi?  It currently only gets a "void *sysdata" so there's no
> > obvious place to put it there.  You could add a pcibios interface to
> > retrieve it, I suppose, but I'm starting to get uncomfortable with
> > adding more of those because we have such a mess of them already.
> >
> 
> [Suravee] Liviu and I had a talk during Linaro Connect, and we came up
> with a new binding for the pcie controller called "msi-parent" which is
> supposed to contain phandle to the corresponded msi-controller.

Is this based on the property that we have in the pci-mvebu driver?

I hope this is meant to be compatible so we can share the implementation.

	Arnd
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