ia64 was assigning resources to root busses after allocations had
been made for child busses. Calling pcibios_setup_root_windows() from
pcibios_fixup_bus() solves this problem by assigning the resources to
the root bus before child busses are scanned.
Signed-off-by: Matthew Wilcox <willy@xxxxxxxxxxxxxxx>
Tested-by: Andrew Patterson <andrew.patterson@xxxxxx>
---
arch/ia64/pci/pci.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 61f1af5..ae5ee8a 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -371,8 +371,6 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
* such quirk. So we just ignore the case now.
*/
pbus = pci_scan_bus_parented(NULL, bus, &pci_root_ops, controller);
- if (pbus)
- pcibios_setup_root_windows(pbus, controller);
return pbus;
@@ -490,6 +488,8 @@ pcibios_fixup_bus (struct pci_bus *b)
if (b->self) {
pci_read_bridge_bases(b);
pcibios_fixup_bridge_resources(b->self);
+ } else {
+ pcibios_setup_root_windows(b, b->sysdata);
}
list_for_each_entry(dev, &b->devices, bus_list)
pcibios_fixup_device_resources(dev);
--
1.6.3.1
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