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Diffstat (limited to 'drivers/acpi/dispatcher/dsmethod.c')
-rw-r--r--drivers/acpi/dispatcher/dsmethod.c57
1 files changed, 23 insertions, 34 deletions
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 1cbe61905824..e48a3ea03117 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -42,7 +42,6 @@
*/
#include <acpi/acpi.h>
-#include <acpi/acparser.h>
#include <acpi/amlcode.h>
#include <acpi/acdispat.h>
#include <acpi/acinterp.h>
@@ -102,7 +101,7 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state)
walk_state->opcode,
walk_state->aml_offset,
NULL);
- (void)acpi_ex_enter_interpreter();
+ acpi_ex_enter_interpreter();
}
#ifdef ACPI_DISASSEMBLER
if (ACPI_FAILURE(status)) {
@@ -232,9 +231,9 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
* recursive call.
*/
if (!walk_state ||
- !obj_desc->method.mutex->mutex.owner_thread ||
- (walk_state->thread !=
- obj_desc->method.mutex->mutex.owner_thread)) {
+ !obj_desc->method.mutex->mutex.thread_id ||
+ (walk_state->thread->thread_id !=
+ obj_desc->method.mutex->mutex.thread_id)) {
/*
* Acquire the method mutex. This releases the interpreter if we
* block (and reacquires it before it returns)
@@ -254,8 +253,8 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
original_sync_level =
walk_state->thread->current_sync_level;
- obj_desc->method.mutex->mutex.owner_thread =
- walk_state->thread;
+ obj_desc->method.mutex->mutex.thread_id =
+ walk_state->thread->thread_id;
walk_state->thread->current_sync_level =
obj_desc->method.sync_level;
} else {
@@ -535,8 +534,6 @@ void
acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
struct acpi_walk_state *walk_state)
{
- struct acpi_namespace_node *method_node;
- acpi_status status;
ACPI_FUNCTION_TRACE_PTR(ds_terminate_control_method, walk_state);
@@ -551,34 +548,26 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
/* Delete all arguments and locals */
acpi_ds_method_data_delete_all(walk_state);
- }
- /*
- * If method is serialized, release the mutex and restore the
- * current sync level for this thread
- */
- if (method_desc->method.mutex) {
+ /*
+ * If method is serialized, release the mutex and restore the
+ * current sync level for this thread
+ */
+ if (method_desc->method.mutex) {
- /* Acquisition Depth handles recursive calls */
+ /* Acquisition Depth handles recursive calls */
- method_desc->method.mutex->mutex.acquisition_depth--;
- if (!method_desc->method.mutex->mutex.acquisition_depth) {
- walk_state->thread->current_sync_level =
- method_desc->method.mutex->mutex.
- original_sync_level;
+ method_desc->method.mutex->mutex.acquisition_depth--;
+ if (!method_desc->method.mutex->mutex.acquisition_depth) {
+ walk_state->thread->current_sync_level =
+ method_desc->method.mutex->mutex.
+ original_sync_level;
- acpi_os_release_mutex(method_desc->method.mutex->mutex.
- os_mutex);
- method_desc->method.mutex->mutex.owner_thread = NULL;
+ acpi_os_release_mutex(method_desc->method.
+ mutex->mutex.os_mutex);
+ method_desc->method.mutex->mutex.thread_id = 0;
+ }
}
- }
-
- if (walk_state) {
- /*
- * Delete any objects created by this method during execution.
- * The method Node is stored in the walk state
- */
- method_node = walk_state->method_node;
/*
* Delete any namespace objects created anywhere within
@@ -620,7 +609,7 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
*/
if ((method_desc->method.method_flags & AML_METHOD_SERIALIZED)
&& (!method_desc->method.mutex)) {
- status = acpi_ds_create_method_mutex(method_desc);
+ (void)acpi_ds_create_method_mutex(method_desc);
}
/* No more threads, we can free the owner_id */