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SubjectRe: [RFC 2/4] PCI: generic: Add support for ARM64 and MSI(x)
On Thu, Oct 23, 2014 at 05:52:06PM +0100, Jason Gunthorpe wrote:
> 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.

Which as a matter of fact I should take as pci_sys_data.domain is
useless on pci-mvebu.c, since that value will always be 0 (at least it
is in the current driver):

domain = sys->domain;

Am I missing something ? Is that domain number meant to be used for anything
else ?


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