ACPI / hotplug: Drop unfinished global notification handling routines

There are two global hotplug notification handling routines in bus.c,
acpi_bus_check_device() and acpi_bus_check_scope(), that have never
been finished and don't do anything useful, so drop them.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index bba9b72e25f8235e6d12593bdd16bb378c7af25a..8b09a75f6579ba27b699228bca809e60e075eca6 100644 (file)
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -329,58 +329,6 @@ static void acpi_bus_osc_support(void)
                              Notification Handling
    -------------------------------------------------------------------------- */
 
-static void acpi_bus_check_device(acpi_handle handle)
-{
-       struct acpi_device *device;
-       acpi_status status;
-       struct acpi_device_status old_status;
-
-       if (acpi_bus_get_device(handle, &device))
-               return;
-       if (!device)
-               return;
-
-       old_status = device->status;
-
-       /*
-        * Make sure this device's parent is present before we go about
-        * messing with the device.
-        */
-       if (device->parent && !device->parent->status.present) {
-               device->status = device->parent->status;
-               return;
-       }
-
-       status = acpi_bus_get_status(device);
-       if (ACPI_FAILURE(status))
-               return;
-
-       if (STRUCT_TO_INT(old_status) == STRUCT_TO_INT(device->status))
-               return;
-
-       /*
-        * Device Insertion/Removal
-        */
-       if ((device->status.present) && !(old_status.present)) {
-               ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device insertion detected\n"));
-               /* TBD: Handle device insertion */
-       } else if (!(device->status.present) && (old_status.present)) {
-               ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device removal detected\n"));
-               /* TBD: Handle device removal */
-       }
-}
-
-static void acpi_bus_check_scope(acpi_handle handle)
-{
-       /* Status Change? */
-       acpi_bus_check_device(handle);
-
-       /*
-        * TBD: Enumerate child devices within this device's scope and
-        *       run acpi_bus_check_device()'s on them.
-        */
-}
-
 /**
  * acpi_bus_notify
  * ---------------
@@ -397,19 +345,11 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
        switch (type) {
 
        case ACPI_NOTIFY_BUS_CHECK:
-               acpi_bus_check_scope(handle);
-               /*
-                * TBD: We'll need to outsource certain events to non-ACPI
-                *      drivers via the device manager (device.c).
-                */
+               /* TBD */
                break;
 
        case ACPI_NOTIFY_DEVICE_CHECK:
-               acpi_bus_check_device(handle);
-               /*
-                * TBD: We'll need to outsource certain events to non-ACPI
-                *      drivers via the device manager (device.c).
-                */
+               /* TBD */
                break;
 
        case ACPI_NOTIFY_DEVICE_WAKE: