1 files changed, 1 insertions, 47 deletions

diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 6ae5e440436e..ac8688b89705 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -65,44 +65,12 @@ static struct acpi_scan_handler pci_root_handler = {
         .detach = acpi_pci_root_remove,
 };
 
-/* Lock to protect both acpi_pci_roots and acpi_pci_drivers lists */
+/* Lock to protect both acpi_pci_roots lists */
 static DEFINE_MUTEX(acpi_pci_root_lock);
 static LIST_HEAD(acpi_pci_roots);
-static LIST_HEAD(acpi_pci_drivers);
 
 static DEFINE_MUTEX(osc_lock);
 
-int acpi_pci_register_driver(struct acpi_pci_driver *driver)
-{
-        int n = 0;
-        struct acpi_pci_root *root;
-
-        mutex_lock(&acpi_pci_root_lock);
-        list_add_tail(&driver->node, &acpi_pci_drivers);
-        if (driver->add)
-                list_for_each_entry(root, &acpi_pci_roots, node) {
-                        driver->add(root);
-                        n++;
-                }
-        mutex_unlock(&acpi_pci_root_lock);
-
-        return n;
-}
-EXPORT_SYMBOL(acpi_pci_register_driver);
-
-void acpi_pci_unregister_driver(struct acpi_pci_driver *driver)
-{
-        struct acpi_pci_root *root;
-
-        mutex_lock(&acpi_pci_root_lock);
-        list_del(&driver->node);
-        if (driver->remove)
-                list_for_each_entry(root, &acpi_pci_roots, node)
-                        driver->remove(root);
-        mutex_unlock(&acpi_pci_root_lock);
-}
-EXPORT_SYMBOL(acpi_pci_unregister_driver);
-
 /**
  * acpi_is_root_bridge - determine whether an ACPI CA node is a PCI root bridge
  * @handle - the ACPI CA node in question.
@@ -413,7 +381,6 @@ static int acpi_pci_root_add(struct acpi_device *device,
         acpi_status status;
         int result;
         struct acpi_pci_root *root;
-        struct acpi_pci_driver *driver;
         u32 flags, base_flags;
 
         root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
@@ -571,12 +538,6 @@ static int acpi_pci_root_add(struct acpi_device *device,
                 pci_assign_unassigned_bus_resources(root->bus);
         }
 
-        mutex_lock(&acpi_pci_root_lock);
-        list_for_each_entry(driver, &acpi_pci_drivers, node)
-                if (driver->add)
-                        driver->add(root);
-        mutex_unlock(&acpi_pci_root_lock);
-
         /* need to after hot-added ioapic is registered */
         if (system_state != SYSTEM_BOOTING)
                 pci_enable_bridges(root->bus);
@@ -597,16 +558,9 @@ end:
 static void acpi_pci_root_remove(struct acpi_device *device)
 {
         struct acpi_pci_root *root = acpi_driver_data(device);
-        struct acpi_pci_driver *driver;
 
         pci_stop_root_bus(root->bus);
 
-        mutex_lock(&acpi_pci_root_lock);
-        list_for_each_entry_reverse(driver, &acpi_pci_drivers, node)
-                if (driver->remove)
-                        driver->remove(root);
-        mutex_unlock(&acpi_pci_root_lock);
-
         device_set_run_wake(root->bus->bridge, false);
         pci_acpi_remove_bus_pm_notifier(device);