ACPICA: Namespace: Fix dynamic table loading issues

[cascardo/linux.git] / drivers / acpi / acpica / psxface.c

diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c
index cf30cd8..8d7e5b5 100644 (file)
--- a/drivers/acpi/acpica/psxface.c
+++ b/drivers/acpi/acpica/psxface.c
@@ -250,6 +250,79 @@ cleanup:
        return_ACPI_STATUS(status);
 }
 
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_execute_table
+ *
+ * PARAMETERS:  info            - Method info block, contains:
+ *              node            - Node to where the is entered into the
+ *                                namespace
+ *              obj_desc        - Pseudo method object describing the AML
+ *                                code of the entire table
+ *              pass_number     - Parse or execute pass
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute a table
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ps_execute_table(struct acpi_evaluate_info *info)
+{
+       acpi_status status;
+       union acpi_parse_object *op = NULL;
+       struct acpi_walk_state *walk_state = NULL;
+
+       ACPI_FUNCTION_TRACE(ps_execute_table);
+
+       /* Create and init a Root Node */
+
+       op = acpi_ps_create_scope_op(info->obj_desc->method.aml_start);
+       if (!op) {
+               status = AE_NO_MEMORY;
+               goto cleanup;
+       }
+
+       /* Create and initialize a new walk state */
+
+       walk_state =
+           acpi_ds_create_walk_state(info->obj_desc->method.owner_id, NULL,
+                                     NULL, NULL);
+       if (!walk_state) {
+               status = AE_NO_MEMORY;
+               goto cleanup;
+       }
+
+       status = acpi_ds_init_aml_walk(walk_state, op, info->node,
+                                      info->obj_desc->method.aml_start,
+                                      info->obj_desc->method.aml_length, info,
+                                      info->pass_number);
+       if (ACPI_FAILURE(status)) {
+               goto cleanup;
+       }
+
+       if (info->obj_desc->method.info_flags & ACPI_METHOD_MODULE_LEVEL) {
+               walk_state->parse_flags |= ACPI_PARSE_MODULE_LEVEL;
+       }
+
+       /*
+        * Parse the AML, walk_state will be deleted by parse_aml
+        */
+       acpi_ex_enter_interpreter();
+       status = acpi_ps_parse_aml(walk_state);
+       acpi_ex_exit_interpreter();
+       walk_state = NULL;
+
+cleanup:
+       if (walk_state) {
+               acpi_ds_delete_walk_state(walk_state);
+       }
+       if (op) {
+               acpi_ps_delete_parse_tree(op);
+       }
+       return_ACPI_STATUS(status);
+}
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ps_update_parameter_list