[RFC 2/4] PCI: generic: Add support for ARM64 and MSI(x)

Jason Gunthorpe jgunthorpe at obsidianresearch.com
Thu Oct 23 09:52:06 PDT 2014


On Thu, Oct 23, 2014 at 12:27:31PM +0100, Lorenzo Pieralisi wrote:

> I think that by removing that, we could switch to CONFIG_PCI_DOMAINS_GENERIC
> on ARM32. I will remove the dependency in drivers/pci/host/pci-mvebu.c
> introduced by commit 2613ba48. pci_sys_data.domain is always 0 in that
> driver so its usefulness is doubtful, comments welcome, copied Jason in
> if he has comments.

pcie-mvebu is like all the other new drivers, each top level DT node
that introduces the interface should have a unique domain number. It
would be very strange (and currently unsupported by the driver) to
ever have more than 1 mvebu top level node in any DT.

Jason



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