PCI/ACPI: Prepare stub functions to handle ACPI PCI (hotplug) slots

[deliverable/linux.git] / drivers / pci / pci-acpi.c

diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index dee5dddaa292a04ad2200c005ad59b959ed5ad7e..b8b8437c703ec60ceea5308ae84c0df28194ff64 100644 (file)
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -287,6 +287,30 @@ static struct pci_platform_pm_ops acpi_pci_platform_pm = {
        .run_wake = acpi_pci_run_wake,
 };
 
+void acpi_pci_add_bus(struct pci_bus *bus)
+{
+       acpi_handle handle = NULL;
+
+       if (bus->bridge)
+               handle = ACPI_HANDLE(bus->bridge);
+       if (acpi_pci_disabled || handle == NULL)
+               return;
+
+       /* TODO: add PCI slots and acpiphp hotplug slots */
+}
+
+void acpi_pci_remove_bus(struct pci_bus *bus)
+{
+       /*
+        * bus->bridge->acpi_node.handle has already been reset to NULL
+        * when acpi_pci_remove_bus() is called, so don't check ACPI handle.
+        */
+       if (acpi_pci_disabled)
+               return;
+
+       /* TODO: remove PCI slots and acpiphp hotplug slots */
+}
+
 /* ACPI bus type */
 static int acpi_pci_find_device(struct device *dev, acpi_handle *handle)
 {