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authorLorenzo Pieralisi <[email protected]>2016-06-23 11:36:22 +0100
committerBjorn Helgaas <[email protected]>2016-06-23 16:29:44 -0500
commitb30742aa307ac9d7db846c0823685e064dc66aaf (patch)
tree1371529657abbb49d590a1c803ef7f2f1db041f0 /tools/perf/scripts/python/call-graph-from-postgresql.py
parentdcce0f153b63412291db4c5c5f714404a6e4f7a1 (diff)
ARM/PCI: Claim bus resources on PCI_PROBE_ONLY set-ups
We claim PCI BAR and bridge window resources in pci_bus_assign_resources(), but when PCI_PROBE_ONLY is set, we treat those resources as immutable and don't call pci_bus_assign_resources(), so the resources aren't put in the resource tree. When the resources aren't in the tree, they don't show up in /proc/iomem, we can't detect conflicts, and we need special cases elsewhere for PCI_PROBE_ONLY or resources without a parent pointer. Claim all PCI BAR and window resources in the PCI_PROBE_ONLY case. If a PCI_PROBE_ONLY platform assigns conflicting resources, Linux can't fix the conflicts. Previously we didn't notice the conflicts, but now we will, which may expose new failures. [bhelgaas: changelog, add resource comment, remove size/assign comments] Signed-off-by: Lorenzo Pieralisi <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]> CC: Russell King <[email protected]>
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