diff options
Diffstat (limited to 'drivers/acpi/dispatcher/dsmethod.c')
| -rw-r--r-- | drivers/acpi/dispatcher/dsmethod.c | 518 |
1 files changed, 258 insertions, 260 deletions
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index c475546535b6..a39a33f4847a 100644 --- a/drivers/acpi/dispatcher/dsmethod.c +++ b/drivers/acpi/dispatcher/dsmethod.c @@ -52,6 +52,10 @@ #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME("dsmethod") +/* Local prototypes */ +static acpi_status +acpi_ds_create_method_mutex(union acpi_operand_object *method_desc); + /******************************************************************************* * * FUNCTION: acpi_ds_method_error @@ -67,6 +71,7 @@ ACPI_MODULE_NAME("dsmethod") * Note: Allows the exception handler to change the status code * ******************************************************************************/ + acpi_status acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state) { @@ -81,6 +86,7 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state) /* Invoke the global exception handler */ if (acpi_gbl_exception_handler) { + /* Exit the interpreter, allow handler to execute methods */ acpi_ex_exit_interpreter(); @@ -100,6 +106,7 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state) } #ifdef ACPI_DISASSEMBLER if (ACPI_FAILURE(status)) { + /* Display method locals/args if disassembler is present */ acpi_dm_dump_method_info(status, walk_state, walk_state->op); @@ -111,11 +118,51 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state) /******************************************************************************* * + * FUNCTION: acpi_ds_create_method_mutex + * + * PARAMETERS: obj_desc - The method object + * + * RETURN: Status + * + * DESCRIPTION: Create a mutex object for a serialized control method + * + ******************************************************************************/ + +static acpi_status +acpi_ds_create_method_mutex(union acpi_operand_object *method_desc) +{ + union acpi_operand_object *mutex_desc; + acpi_status status; + + ACPI_FUNCTION_NAME(ds_create_method_mutex); + + /* Create the new mutex object */ + + mutex_desc = acpi_ut_create_internal_object(ACPI_TYPE_MUTEX); + if (!mutex_desc) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + + /* Create the actual OS Mutex */ + + status = acpi_os_create_mutex(&mutex_desc->mutex.os_mutex); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + mutex_desc->mutex.sync_level = method_desc->method.sync_level; + method_desc->method.mutex = mutex_desc; + return_ACPI_STATUS(AE_OK); +} + +/******************************************************************************* + * * FUNCTION: acpi_ds_begin_method_execution * * PARAMETERS: method_node - Node of the method * obj_desc - The method object - * calling_method_node - Caller of this method (if non-null) + * walk_state - current state, NULL if not yet executing + * a method. * * RETURN: Status * @@ -126,13 +173,13 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state) ******************************************************************************/ acpi_status -acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node, - union acpi_operand_object * obj_desc, - struct acpi_namespace_node * calling_method_node) +acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, + union acpi_operand_object *obj_desc, + struct acpi_walk_state *walk_state) { acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE_PTR("ds_begin_method_execution", method_node); + ACPI_FUNCTION_TRACE_PTR(ds_begin_method_execution, method_node); if (!method_node) { return_ACPI_STATUS(AE_NULL_ENTRY); @@ -147,32 +194,80 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node, } /* - * If there is a concurrency limit on this method, we need to - * obtain a unit from the method semaphore. + * If this method is serialized, we need to acquire the method mutex. */ - if (obj_desc->method.semaphore) { + if (obj_desc->method.method_flags & AML_METHOD_SERIALIZED) { /* - * Allow recursive method calls, up to the reentrancy/concurrency - * limit imposed by the SERIALIZED rule and the sync_level method - * parameter. - * - * The point of this code is to avoid permanently blocking a - * thread that is making recursive method calls. + * Create a mutex for the method if it is defined to be Serialized + * and a mutex has not already been created. We defer the mutex creation + * until a method is actually executed, to minimize the object count */ - if (method_node == calling_method_node) { - if (obj_desc->method.thread_count >= - obj_desc->method.concurrency) { - return_ACPI_STATUS(AE_AML_METHOD_LIMIT); + if (!obj_desc->method.mutex) { + status = acpi_ds_create_method_mutex(obj_desc); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } /* - * Get a unit from the method semaphore. This releases the - * interpreter if we block + * The current_sync_level (per-thread) must be less than or equal to + * the sync level of the method. This mechanism provides some + * deadlock prevention + * + * Top-level method invocation has no walk state at this point */ - status = - acpi_ex_system_wait_semaphore(obj_desc->method.semaphore, - ACPI_WAIT_FOREVER); + if (walk_state && + (walk_state->thread->current_sync_level > + obj_desc->method.mutex->mutex.sync_level)) { + ACPI_ERROR((AE_INFO, + "Cannot acquire Mutex for method [%4.4s], current SyncLevel is too large (%d)", + acpi_ut_get_node_name(method_node), + walk_state->thread->current_sync_level)); + + return_ACPI_STATUS(AE_AML_MUTEX_ORDER); + } + + /* + * Obtain the method mutex if necessary. Do not acquire mutex for a + * recursive call. + */ + if (!walk_state || + !obj_desc->method.mutex->mutex.owner_thread || + (walk_state->thread != + obj_desc->method.mutex->mutex.owner_thread)) { + /* + * Acquire the method mutex. This releases the interpreter if we + * block (and reacquires it before it returns) + */ + status = + acpi_ex_system_wait_mutex(obj_desc->method.mutex-> + mutex.os_mutex, + ACPI_WAIT_FOREVER); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Update the mutex and walk info and save the original sync_level */ + + if (walk_state) { + obj_desc->method.mutex->mutex. + original_sync_level = + walk_state->thread->current_sync_level; + + obj_desc->method.mutex->mutex.owner_thread = + walk_state->thread; + walk_state->thread->current_sync_level = + obj_desc->method.sync_level; + } else { + obj_desc->method.mutex->mutex. + original_sync_level = + obj_desc->method.mutex->mutex.sync_level; + } + } + + /* Always increase acquisition depth */ + + obj_desc->method.mutex->mutex.acquisition_depth++; } /* @@ -183,7 +278,7 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node, if (!obj_desc->method.owner_id) { status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto cleanup; } } @@ -193,6 +288,14 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node, */ obj_desc->method.thread_count++; return_ACPI_STATUS(status); + + cleanup: + /* On error, must release the method mutex (if present) */ + + if (obj_desc->method.mutex) { + acpi_os_release_mutex(obj_desc->method.mutex->mutex.os_mutex); + } + return_ACPI_STATUS(status); } /******************************************************************************* @@ -218,10 +321,10 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, struct acpi_namespace_node *method_node; struct acpi_walk_state *next_walk_state = NULL; union acpi_operand_object *obj_desc; - struct acpi_parameter_info info; + struct acpi_evaluate_info *info; u32 i; - ACPI_FUNCTION_TRACE_PTR("ds_call_control_method", this_walk_state); + ACPI_FUNCTION_TRACE_PTR(ds_call_control_method, this_walk_state); ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Execute method %p, currentstate=%p\n", @@ -240,25 +343,31 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, return_ACPI_STATUS(AE_NULL_OBJECT); } - /* Init for new method, wait on concurrency semaphore */ + /* Init for new method, possibly wait on method mutex */ status = acpi_ds_begin_method_execution(method_node, obj_desc, - this_walk_state->method_node); + this_walk_state); if (ACPI_FAILURE(status)) { - goto cleanup; + return_ACPI_STATUS(status); } + /* + * 1) Parse the method. All "normal" methods are parsed for each execution. + * Internal methods (_OSI, etc.) do not require parsing. + */ if (!(obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY)) { - /* 1) Parse: Create a new walk state for the preempting walk */ + + /* Create a new walk state for the parse */ next_walk_state = acpi_ds_create_walk_state(obj_desc->method.owner_id, op, obj_desc, NULL); if (!next_walk_state) { - return_ACPI_STATUS(AE_NO_MEMORY); + status = AE_NO_MEMORY; + goto cleanup; } - /* Create and init a Root Node */ + /* Create and init a parse tree root */ op = acpi_ps_create_scope_op(); if (!op) { @@ -271,17 +380,20 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, obj_desc->method.aml_length, NULL, 1); if (ACPI_FAILURE(status)) { - acpi_ds_delete_walk_state(next_walk_state); + acpi_ps_delete_parse_tree(op); goto cleanup; } - /* Begin AML parse */ + /* Begin AML parse (deletes next_walk_state) */ status = acpi_ps_parse_aml(next_walk_state); acpi_ps_delete_parse_tree(op); + if (ACPI_FAILURE(status)) { + goto cleanup; + } } - /* 2) Execute: Create a new state for the preempting walk */ + /* 2) Begin method execution. Create a new walk state */ next_walk_state = acpi_ds_create_walk_state(obj_desc->method.owner_id, NULL, obj_desc, thread); @@ -289,6 +401,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, status = AE_NO_MEMORY; goto cleanup; } + /* * The resolved arguments were put on the previous walk state's operand * stack. Operands on the previous walk state stack always @@ -296,12 +409,24 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, */ this_walk_state->operands[this_walk_state->num_operands] = NULL; - info.parameters = &this_walk_state->operands[0]; - info.parameter_type = ACPI_PARAM_ARGS; + /* + * Allocate and initialize the evaluation information block + * TBD: this is somewhat inefficient, should change interface to + * ds_init_aml_walk. For now, keeps this struct off the CPU stack + */ + info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info)); + if (!info) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + + info->parameters = &this_walk_state->operands[0]; + info->parameter_type = ACPI_PARAM_ARGS; status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node, obj_desc->method.aml_start, - obj_desc->method.aml_length, &info, 3); + obj_desc->method.aml_length, info, 3); + + ACPI_FREE(info); if (ACPI_FAILURE(status)) { goto cleanup; } @@ -323,6 +448,8 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, "Starting nested execution, newstate=%p\n", next_walk_state)); + /* Invoke an internal method if necessary */ + if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) { status = obj_desc->method.implementation(next_walk_state); } @@ -330,16 +457,14 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, return_ACPI_STATUS(status); cleanup: - /* Decrement the thread count on the method parse tree */ - if (next_walk_state && (next_walk_state->method_desc)) { - next_walk_state->method_desc->method.thread_count--; - } + /* On error, we must terminate the method properly */ - /* On error, we must delete the new walk state */ + acpi_ds_terminate_control_method(obj_desc, next_walk_state); + if (next_walk_state) { + acpi_ds_delete_walk_state(next_walk_state); + } - acpi_ds_terminate_control_method(next_walk_state); - acpi_ds_delete_walk_state(next_walk_state); return_ACPI_STATUS(status); } @@ -362,25 +487,33 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, union acpi_operand_object *return_desc) { acpi_status status; + int same_as_implicit_return; - ACPI_FUNCTION_TRACE_PTR("ds_restart_control_method", walk_state); + ACPI_FUNCTION_TRACE_PTR(ds_restart_control_method, walk_state); ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, - "****Restart [%4.4s] Op %p return_value_from_callee %p\n", + "****Restart [%4.4s] Op %p ReturnValueFromCallee %p\n", (char *)&walk_state->method_node->name, walk_state->method_call_op, return_desc)); ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, - " return_from_this_method_used?=%X res_stack %p Walk %p\n", + " ReturnFromThisMethodUsed?=%X ResStack %p Walk %p\n", walk_state->return_used, walk_state->results, walk_state)); /* Did the called method return a value? */ if (return_desc) { + + /* Is the implicit return object the same as the return desc? */ + + same_as_implicit_return = + (walk_state->implicit_return_obj == return_desc); + /* Are we actually going to use the return value? */ if (walk_state->return_used) { + /* Save the return value from the previous method */ status = acpi_ds_result_push(return_desc, walk_state); @@ -397,18 +530,23 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, } /* - * The following code is the - * optional support for a so-called "implicit return". Some AML code - * assumes that the last value of the method is "implicitly" returned - * to the caller. Just save the last result as the return value. + * The following code is the optional support for the so-called + * "implicit return". Some AML code assumes that the last value of the + * method is "implicitly" returned to the caller, in the absence of an + * explicit return value. + * + * Just save the last result of the method as the return value. + * * NOTE: this is optional because the ASL language does not actually * support this behavior. */ else if (!acpi_ds_do_implicit_return - (return_desc, walk_state, FALSE)) { + (return_desc, walk_state, FALSE) + || same_as_implicit_return) { /* * Delete the return value if it will not be used by the - * calling method + * calling method or remove one reference if the explicit return + * is the same as the implicit return value. */ acpi_ut_remove_reference(return_desc); } @@ -421,7 +559,8 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, * * FUNCTION: acpi_ds_terminate_control_method * - * PARAMETERS: walk_state - State of the method + * PARAMETERS: method_desc - Method object + * walk_state - State associated with the method * * RETURN: None * @@ -429,262 +568,121 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, * created, delete all locals and arguments, and delete the parse * tree if requested. * + * MUTEX: Interpreter is locked + * ******************************************************************************/ -void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) +void +acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, + struct acpi_walk_state *walk_state) { - union acpi_operand_object *obj_desc; struct acpi_namespace_node *method_node; acpi_status status; - ACPI_FUNCTION_TRACE_PTR("ds_terminate_control_method", walk_state); - - if (!walk_state) { - return_VOID; - } + ACPI_FUNCTION_TRACE_PTR(ds_terminate_control_method, walk_state); - /* The current method object was saved in the walk state */ + /* method_desc is required, walk_state is optional */ - obj_desc = walk_state->method_desc; - if (!obj_desc) { + if (!method_desc) { return_VOID; } - /* Delete all arguments and locals */ + if (walk_state) { - acpi_ds_method_data_delete_all(walk_state); + /* Delete all arguments and locals */ + + acpi_ds_method_data_delete_all(walk_state); + } /* - * Lock the parser while we terminate this method. - * If this is the last thread executing the method, - * we have additional cleanup to perform + * If method is serialized, release the mutex and restore the + * current sync level for this thread */ - status = acpi_ut_acquire_mutex(ACPI_MTX_PARSER); - if (ACPI_FAILURE(status)) { - return_VOID; - } + if (method_desc->method.mutex) { - /* Signal completion of the execution of this method if necessary */ + /* Acquisition Depth handles recursive calls */ - if (walk_state->method_desc->method.semaphore) { - status = - acpi_os_signal_semaphore(walk_state->method_desc->method. - semaphore, 1); - if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, - "Could not signal method semaphore")); + 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; - /* Ignore error and continue cleanup */ + acpi_os_release_mutex(method_desc->method.mutex->mutex. + os_mutex); } } - /* - * There are no more threads executing this method. Perform - * additional cleanup. - * - * The method Node is stored in the walk state - */ - method_node = walk_state->method_node; + 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; - /* Lock namespace for possible update */ + /* Lock namespace for possible update */ - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - goto exit; - } + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + return_VOID; + } - /* - * Delete any namespace entries created immediately underneath - * the method - */ - if (method_node->child) { - acpi_ns_delete_namespace_subtree(method_node); + /* + * Delete any namespace entries created immediately underneath + * the method + */ + if (method_node && method_node->child) { + acpi_ns_delete_namespace_subtree(method_node); + } + + /* + * Delete any namespace entries created anywhere else within + * the namespace by the execution of this method + */ + acpi_ns_delete_namespace_by_owner(method_desc->method.owner_id); + status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); } - /* - * Delete any namespace entries created anywhere else within - * the namespace by the execution of this method - */ - acpi_ns_delete_namespace_by_owner(walk_state->method_desc->method. - owner_id); - status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + /* Decrement the thread count on the method */ + + if (method_desc->method.thread_count) { + method_desc->method.thread_count--; + } else { + ACPI_ERROR((AE_INFO, "Invalid zero thread count in method")); + } /* Are there any other threads currently executing this method? */ - if (walk_state->method_desc->method.thread_count) { + if (method_desc->method.thread_count) { /* * Additional threads. Do not release the owner_id in this case, * we immediately reuse it for the next thread executing this method */ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "*** Completed execution of one thread, %d threads remaining\n", - walk_state->method_desc->method. - thread_count)); + method_desc->method.thread_count)); } else { /* This is the only executing thread for this method */ /* * Support to dynamically change a method from not_serialized to * Serialized if it appears that the method is incorrectly written and - * does not support multiple thread execution. The best example of this - * is if such a method creates namespace objects and blocks. A second + * does not support multiple thread execution. The best example of this + * is if such a method creates namespace objects and blocks. A second * thread will fail with an AE_ALREADY_EXISTS exception * * This code is here because we must wait until the last thread exits * before creating the synchronization semaphore. */ - if ((walk_state->method_desc->method.concurrency == 1) && - (!walk_state->method_desc->method.semaphore)) { - status = acpi_os_create_semaphore(1, 1, - &walk_state-> - method_desc->method. - semaphore); + if ((method_desc->method.method_flags & AML_METHOD_SERIALIZED) + && (!method_desc->method.mutex)) { + status = acpi_ds_create_method_mutex(method_desc); } /* No more threads, we can free the owner_id */ - acpi_ut_release_owner_id(&walk_state->method_desc->method. - owner_id); + acpi_ut_release_owner_id(&method_desc->method.owner_id); } - exit: - (void)acpi_ut_release_mutex(ACPI_MTX_PARSER); return_VOID; } - -#ifdef ACPI_INIT_PARSE_METHODS - /* - * Note 11/2005: Removed this code to parse all methods during table - * load because it causes problems if there are any errors during the - * parse. Also, it seems like overkill and we probably don't want to - * abort a table load because of an issue with a single method. - */ - -/******************************************************************************* - * - * FUNCTION: acpi_ds_parse_method - * - * PARAMETERS: Node - Method node - * - * RETURN: Status - * - * DESCRIPTION: Parse the AML that is associated with the method. - * - * MUTEX: Assumes parser is locked - * - ******************************************************************************/ - -acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node) -{ - acpi_status status; - union acpi_operand_object *obj_desc; - union acpi_parse_object *op; - struct acpi_walk_state *walk_state; - - ACPI_FUNCTION_TRACE_PTR("ds_parse_method", node); - - /* Parameter Validation */ - - if (!node) { - return_ACPI_STATUS(AE_NULL_ENTRY); - } - - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "**** Parsing [%4.4s] **** named_obj=%p\n", - acpi_ut_get_node_name(node), node)); - - /* Extract the method object from the method Node */ - - obj_desc = acpi_ns_get_attached_object(node); - if (!obj_desc) { - return_ACPI_STATUS(AE_NULL_OBJECT); - } - - /* Create a mutex for the method if there is a concurrency limit */ - - if ((obj_desc->method.concurrency != ACPI_INFINITE_CONCURRENCY) && - (!obj_desc->method.semaphore)) { - status = acpi_os_create_semaphore(obj_desc->method.concurrency, - obj_desc->method.concurrency, - &obj_desc->method.semaphore); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - - /* - * Allocate a new parser op to be the root of the parsed - * method tree - */ - op = acpi_ps_alloc_op(AML_METHOD_OP); - if (!op) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Init new op with the method name and pointer back to the Node */ - - acpi_ps_set_name(op, node->name.integer); - op->common.node = node; - - /* - * Get a new owner_id for objects created by this method. Namespace - * objects (such as Operation Regions) can be created during the - * first pass parse. - */ - status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* Create and initialize a new walk state */ - - walk_state = - acpi_ds_create_walk_state(obj_desc->method.owner_id, NULL, NULL, - NULL); - if (!walk_state) { - status = AE_NO_MEMORY; - goto cleanup2; - } - - status = acpi_ds_init_aml_walk(walk_state, op, node, - obj_desc->method.aml_start, - obj_desc->method.aml_length, NULL, 1); - if (ACPI_FAILURE(status)) { - acpi_ds_delete_walk_state(walk_state); - goto cleanup2; - } - - /* - * Parse the method, first pass - * - * The first pass load is where newly declared named objects are added into - * the namespace. Actual evaluation of the named objects (what would be - * called a "second pass") happens during the actual execution of the - * method so that operands to the named objects can take on dynamic - * run-time values. - */ - status = acpi_ps_parse_aml(walk_state); - if (ACPI_FAILURE(status)) { - goto cleanup2; - } - - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "**** [%4.4s] Parsed **** named_obj=%p Op=%p\n", - acpi_ut_get_node_name(node), node, op)); - - /* - * Delete the parse tree. We simply re-parse the method for every - * execution since there isn't much overhead (compared to keeping lots - * of parse trees around) - */ - acpi_ns_delete_namespace_subtree(node); - acpi_ns_delete_namespace_by_owner(obj_desc->method.owner_id); - - cleanup2: - acpi_ut_release_owner_id(&obj_desc->method.owner_id); - - cleanup: - acpi_ps_delete_parse_tree(op); - return_ACPI_STATUS(status); -} -#endif |