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>

1 files changed, 2 insertions, 62 deletions

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index bba9b72e25f8..8b09a75f6579 100644
--- 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: