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PCI: build a bus number resource tree for every domain
authorYinghai Lu <yinghai@kernel.org>
Fri, 18 May 2012 01:51:11 +0000 (18:51 -0700)
committerBjorn Helgaas <bhelgaas@google.com>
Wed, 13 Jun 2012 21:42:22 +0000 (15:42 -0600)
commit5cc62c202211096ec26309722ec27455d52c8726
tree10813ef6be2b7bbb176cc37d3127704586e448f6tree
parent3527ed81ca01bbaf09df952e68528377a9cd092fcommit | diff
PCI: build a bus number resource tree for every domain

This adds get_pci_domain_busn_res(), which returns the root of the
bus number resource tree for a domain, creating it if necessary.
We will later populate the tree with the bus numbers used by host
bridges and P2P bridges in the domain.

[bhelgaas: changelog]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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