From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Date: Sun, 30 Jun 2013 21:49:55 +0000 (+0200)
Subject: ACPI: Drop ACPI bus notifier call chain
X-Git-Tag: firefly_0821_release~176^2~5466^2~17^2~5
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f716fc2ac037c45a6c641eb9f20ec602e8d04e14;p=firefly-linux-kernel-4.4.55.git

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 a5a032e2344e..6fd27a9abcda 100644
--- 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 facc0ba6dd21..71f3fd429fd1 100644
--- 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
  */