On Thursday 18 September 2014, Liviu Dudau wrote:

Add of_pci_get_domain_nr() to retrieve the PCI domain number
of a given device from DT. If the information is not present,
the function can be requested to allocate a new domain number.

Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Grant Likely <redacted>
Cc: Rob Herring <robh+dt@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>

This is more elaborate than I remember it, and while the simpler
version (which potentially resulted in a conflict for inconsistent
DTs) was fine, this one also seems ok.

Acked-by: Arnd Bergmann <arnd@arndb.de>