diff options
Diffstat (limited to 'drivers/acpi/acpica/nseval.c')
| -rw-r--r-- | drivers/acpi/acpica/nseval.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c index 6390b7951ebf..63748ac699f7 100644 --- a/drivers/acpi/acpica/nseval.c +++ b/drivers/acpi/acpica/nseval.c @@ -14,11 +14,6 @@ #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME("nseval") -/* Local prototypes */ -static void -acpi_ns_exec_module_code(union acpi_operand_object *method_obj, - struct acpi_evaluate_info *info); - /******************************************************************************* * * FUNCTION: acpi_ns_evaluate @@ -44,7 +39,6 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj, * MUTEX: Locks interpreter * ******************************************************************************/ - acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info) { acpi_status status; @@ -310,187 +304,3 @@ cleanup: info->full_pathname = NULL; return_ACPI_STATUS(status); } - -/******************************************************************************* - * - * FUNCTION: acpi_ns_exec_module_code_list - * - * PARAMETERS: None - * - * RETURN: None. Exceptions during method execution are ignored, since - * we cannot abort a table load. - * - * DESCRIPTION: Execute all elements of the global module-level code list. - * Each element is executed as a single control method. - * - * NOTE: With this option enabled, each block of detected executable AML - * code that is outside of any control method is wrapped with a temporary - * control method object and placed on a global list. The methods on this - * list are executed below. - * - * This function executes the module-level code for all tables only after - * all of the tables have been loaded. It is a legacy option and is - * not compatible with other ACPI implementations. See acpi_ns_load_table. - * - * This function will be removed when the legacy option is removed. - * - ******************************************************************************/ - -void acpi_ns_exec_module_code_list(void) -{ - union acpi_operand_object *prev; - union acpi_operand_object *next; - struct acpi_evaluate_info *info; - u32 method_count = 0; - - ACPI_FUNCTION_TRACE(ns_exec_module_code_list); - - /* Exit now if the list is empty */ - - next = acpi_gbl_module_code_list; - if (!next) { - ACPI_DEBUG_PRINT((ACPI_DB_INIT_NAMES, - "Legacy MLC block list is empty\n")); - - return_VOID; - } - - /* Allocate the evaluation information block */ - - info = ACPI_ALLOCATE(sizeof(struct acpi_evaluate_info)); - if (!info) { - return_VOID; - } - - /* Walk the list, executing each "method" */ - - while (next) { - prev = next; - next = next->method.mutex; - - /* Clear the link field and execute the method */ - - prev->method.mutex = NULL; - acpi_ns_exec_module_code(prev, info); - method_count++; - - /* Delete the (temporary) method object */ - - acpi_ut_remove_reference(prev); - } - - ACPI_INFO(("Executed %u blocks of module-level executable AML code", - method_count)); - - ACPI_FREE(info); - acpi_gbl_module_code_list = NULL; - return_VOID; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ns_exec_module_code - * - * PARAMETERS: method_obj - Object container for the module-level code - * info - Info block for method evaluation - * - * RETURN: None. Exceptions during method execution are ignored, since - * we cannot abort a table load. - * - * DESCRIPTION: Execute a control method containing a block of module-level - * executable AML code. The control method is temporarily - * installed to the root node, then evaluated. - * - ******************************************************************************/ - -static void -acpi_ns_exec_module_code(union acpi_operand_object *method_obj, - struct acpi_evaluate_info *info) -{ - union acpi_operand_object *parent_obj; - struct acpi_namespace_node *parent_node; - acpi_object_type type; - acpi_status status; - - ACPI_FUNCTION_TRACE(ns_exec_module_code); - - /* - * Get the parent node. We cheat by using the next_object field - * of the method object descriptor. - */ - parent_node = - ACPI_CAST_PTR(struct acpi_namespace_node, - method_obj->method.next_object); - type = acpi_ns_get_type(parent_node); - - /* - * Get the region handler and save it in the method object. We may need - * this if an operation region declaration causes a _REG method to be run. - * - * We can't do this in acpi_ps_link_module_code because - * acpi_gbl_root_node->Object is NULL at PASS1. - */ - if ((type == ACPI_TYPE_DEVICE) && parent_node->object) { - method_obj->method.dispatch.handler = - parent_node->object->device.handler; - } - - /* Must clear next_object (acpi_ns_attach_object needs the field) */ - - method_obj->method.next_object = NULL; - - /* Initialize the evaluation information block */ - - memset(info, 0, sizeof(struct acpi_evaluate_info)); - info->prefix_node = parent_node; - - /* - * Get the currently attached parent object. Add a reference, - * because the ref count will be decreased when the method object - * is installed to the parent node. - */ - parent_obj = acpi_ns_get_attached_object(parent_node); - if (parent_obj) { - acpi_ut_add_reference(parent_obj); - } - - /* Install the method (module-level code) in the parent node */ - - status = - acpi_ns_attach_object(parent_node, method_obj, ACPI_TYPE_METHOD); - if (ACPI_FAILURE(status)) { - goto exit; - } - - /* Execute the parent node as a control method */ - - status = acpi_ns_evaluate(info); - - ACPI_DEBUG_PRINT((ACPI_DB_INIT_NAMES, - "Executed module-level code at %p\n", - method_obj->method.aml_start)); - - /* Delete a possible implicit return value (in slack mode) */ - - if (info->return_object) { - acpi_ut_remove_reference(info->return_object); - } - - /* Detach the temporary method object */ - - acpi_ns_detach_object(parent_node); - - /* Restore the original parent object */ - - if (parent_obj) { - status = acpi_ns_attach_object(parent_node, parent_obj, type); - } else { - parent_node->type = (u8)type; - } - -exit: - if (parent_obj) { - acpi_ut_remove_reference(parent_obj); - } - return_VOID; -} |