ACPI: Drop ACPI bus notifier call chain

There are no users of the ACPI bus notifier call chain,
acpi_bus_notify_list, any more, so drop it.

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

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index a5a032e2344ec513be756380fe04abb08acc7ba2..6fd27a9abcda67192fcafc5b3e5d389cd34fa77a 100644 (file)
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -499,19 +499,6 @@ static void acpi_bus_check_scope(acpi_handle handle)
         */
 }
 
-static BLOCKING_NOTIFIER_HEAD(acpi_bus_notify_list);
-int register_acpi_bus_notifier(struct notifier_block *nb)
-{
-       return blocking_notifier_chain_register(&acpi_bus_notify_list, nb);
-}
-EXPORT_SYMBOL_GPL(register_acpi_bus_notifier);
-
-void unregister_acpi_bus_notifier(struct notifier_block *nb)
-{
-       blocking_notifier_chain_unregister(&acpi_bus_notify_list, nb);
-}
-EXPORT_SYMBOL_GPL(unregister_acpi_bus_notifier);
-
 /**
  * acpi_bus_notify
  * ---------------
@@ -525,9 +512,6 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Notification %#02x to handle %p\n",
                          type, handle));
 
-       blocking_notifier_call_chain(&acpi_bus_notify_list,
-               type, (void *)handle);
-
        switch (type) {
 
        case ACPI_NOTIFY_BUS_CHECK:

diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index facc0ba6dd21f0a62249b4830d659fb7baaaf9c3..71f3fd429fd1f244967bcd1ab4b69c143e6b45c5 100644 (file)
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -366,8 +366,6 @@ extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32);
 extern int register_acpi_notifier(struct notifier_block *);
 extern int unregister_acpi_notifier(struct notifier_block *);
 
-extern int register_acpi_bus_notifier(struct notifier_block *nb);
-extern void unregister_acpi_bus_notifier(struct notifier_block *nb);
 /*
  * External Functions
  */