Add the host bridge bus number aperture from _CRS to the resource list.
Like the MMIO and I/O port apertures, this is used when assigning
resources to hot-added devices or in the case of conflicts.
[bhelgaas: write changelog]
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Cc: linux-ia64@xxxxxxxxxxxxxxx
---
arch/ia64/pci/pci.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 3ca9bed..d173a88 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -351,6 +351,8 @@ pci_acpi_scan_root(struct acpi_pci_root *root)
#endif
INIT_LIST_HEAD(&info.resources);
+ /* insert busn resource at first */
+ pci_add_resource(&info.resources, &root->secondary);
acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_window,
&windows);
if (windows) {
@@ -384,7 +386,7 @@ pci_acpi_scan_root(struct acpi_pci_root *root)
return NULL;
}
- pbus->busn_res.end = pci_scan_child_bus(pbus);
+ pci_scan_child_bus(pbus);
return pbus;
out3:
--
1.7.7
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