PCI hotplug: introduce functions for ACPI slot detection

[linux-2.6-omap-h63xx.git] / include / linux / pci-acpi.h

diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index 871e096e0fbcf8ce31298cefa8f792f8c58e1d80..042c166f65d5e155d46bacfbd6981268d928d376 100644 (file)
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -60,6 +60,15 @@ static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
        return acpi_get_pci_rootbridge_handle(pci_domain_nr(pdev->bus),
                        pdev->bus->number);
 }
+
+static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
+{
+       int seg = pci_domain_nr(pbus), busnr = pbus->number;
+       struct pci_dev *bridge = pbus->self;
+       if (bridge)
+               return DEVICE_ACPI_HANDLE(&(bridge->dev));
+       return acpi_get_pci_rootbridge_handle(seg, busnr);
+}
 #else
 #if !defined(AE_ERROR)
 typedef u32            acpi_status;