ACPICA: Remove argument of acpi_os_wait_events_complete

Remove the unused argument of acpi_os_wait_events_complete.

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index c3881b2..9eaf708 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -891,7 +891,7 @@
 	struct acpi_os_dpc *dpc = container_of(work, struct acpi_os_dpc, work);
 
 	if (dpc->wait)
-		acpi_os_wait_events_complete(NULL);
+		acpi_os_wait_events_complete();
 
 	dpc->function(dpc->context);
 	kfree(dpc);
@@ -987,7 +987,7 @@
 	return __acpi_os_execute(0, function, context, 1);
 }
 
-void acpi_os_wait_events_complete(void *context)
+void acpi_os_wait_events_complete(void)
 {
 	flush_workqueue(kacpid_wq);
 	flush_workqueue(kacpi_notify_wq);