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authorYinghai Lu <yinghai@kernel.org>2015-01-15 16:21:49 -0600
committerBjorn Helgaas <bhelgaas@google.com>2015-01-16 10:04:42 -0600
commitb0c568de32bad5dc19722ba90ebe07e358675e51 (patch)
tree59ca31255f34a5e018776512bad5841b9c4e4e01 /arch/frv
parentb3e118224c011b885ef8331bd5b341f15b3bd69a (diff)
downloadop-kernel-dev-b0c568de32bad5dc19722ba90ebe07e358675e51.zip
op-kernel-dev-b0c568de32bad5dc19722ba90ebe07e358675e51.tar.gz
frv/PCI: Clip bridge windows to fit in upstream windows
Every PCI-PCI bridge window should fit inside an upstream bridge window because orphaned address space is unreachable from the primary side of the upstream bridge. If we inherit invalid bridge windows that overlap an upstream window from firmware, clip them to fit and update the bridge accordingly. [bhelgaas: changelog] Link: https://bugzilla.kernel.org/show_bug.cgi?id=85491 Reported-by: Marek Kordik <kordikmarek@gmail.com> Fixes: 5b28541552ef ("PCI: Restrict 64-bit prefetchable bridge windows to 64-bit resources") Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: David Howells <dhowells@redhat.com> CC: Paul Gortmaker <paul.gortmaker@windriver.com>
Diffstat (limited to 'arch/frv')
-rw-r--r--arch/frv/mb93090-mb00/pci-frv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c
index 67b1d16..0635bd6 100644
--- a/arch/frv/mb93090-mb00/pci-frv.c
+++ b/arch/frv/mb93090-mb00/pci-frv.c
@@ -94,7 +94,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
r = &dev->resource[idx];
if (!r->start)
continue;
- pci_claim_resource(dev, idx);
+ pci_claim_bridge_resource(dev, idx);
}
}
pcibios_allocate_bus_resources(&bus->children);
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