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authorYinghai Lu <yinghai@kernel.org>2012-05-17 18:51:11 -0700
committerBjorn Helgaas <bhelgaas@google.com>2012-06-13 15:42:22 -0600
commit5cc62c202211096ec26309722ec27455d52c8726 (patch)
tree10813ef6be2b7bbb176cc37d3127704586e448f6 /kernel/resource.c
parent3527ed81ca01bbaf09df952e68528377a9cd092f (diff)
downloadlinux-5cc62c202211096ec26309722ec27455d52c8726.tar.bz2
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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