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-rw-r--r--arch/x86/pci/acpi.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index ae3cb23cd89b..039d91315bc5 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -360,6 +360,20 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root)
}
}
+ /* After the PCI-E bus has been walked and all devices discovered,
+ * configure any settings of the fabric that might be necessary.
+ */
+ if (bus) {
+ struct pci_bus *child;
+ list_for_each_entry(child, &bus->children, node) {
+ struct pci_dev *self = child->self;
+ if (!self)
+ continue;
+
+ pcie_bus_configure_settings(child, self->pcie_mpss);
+ }
+ }
+
if (!bus)
kfree(sd);