1 files changed, 9 insertions, 0 deletions

diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 53ea60458e01..3e724256dbee 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -521,6 +521,7 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
         sd = &info->sd;
         sd->domain = domain;
         sd->node = node;
+        sd->acpi = device->handle;
         /*
          * Maybe the desired pci bus has been already scanned. In such case
          * it is unnecessary to scan the pci bus with the given domain,busnum.
@@ -592,6 +593,14 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
         return bus;
 }
 
+int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
+{
+        struct pci_sysdata *sd = bridge->bus->sysdata;
+
+        ACPI_HANDLE_SET(&bridge->dev, sd->acpi);
+        return 0;
+}
+
 int __init pci_acpi_init(void)
 {
         struct pci_dev *dev = NULL;