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,
+                                      ACPI_IMODE_EXECUTE);
 
        ACPI_FREE(info);
        if (ACPI_FAILURE(status)) {
 
        }
 
        status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
-                                      aml_length, NULL, 1);
+                                      aml_length, NULL, ACPI_IMODE_LOAD_PASS1);
        if (ACPI_FAILURE(status)) {
                acpi_ds_delete_walk_state(walk_state);
                goto cleanup;
        /* Execute the opcode and arguments */
 
        status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
-                                      aml_length, NULL, 3);
+                                      aml_length, NULL, ACPI_IMODE_EXECUTE);
        if (ACPI_FAILURE(status)) {
                acpi_ds_delete_walk_state(walk_state);
                goto cleanup;
 
                }
 
                flags = ACPI_NS_NO_UPSEARCH;
-               if (walk_state->pass_number == 3) {
+               if (walk_state->pass_number == ACPI_IMODE_EXECUTE) {
 
                        /* Execution mode, node cannot already exist, node is temporary */
 
 
         * each Parser Op subtree is deleted when it is finished.  This saves
         * a great deal of memory, and allows a small cache of parse objects
         * to service the entire parse.  The second pass of the parse then
-        * performs another complete parse of the AML..
+        * performs another complete parse of the AML.
         */
        ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 1\n"));
-       status = acpi_ns_one_complete_parse(1, table_index);
+       status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS1, table_index);
        if (ACPI_FAILURE(status)) {
                return_ACPI_STATUS(status);
        }
         * parse objects are all cached.
         */
        ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 2\n"));
-       status = acpi_ns_one_complete_parse(2, table_index);
+       status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS2, table_index);
        if (ACPI_FAILURE(status)) {
                return_ACPI_STATUS(status);
        }
 
 
        /* Create and initialize a new walk state */
 
-       info->pass_number = 3;
+       info->pass_number = ACPI_IMODE_EXECUTE;
        walk_state =
            acpi_ds_create_walk_state(info->obj_desc->method.owner_id, NULL,
                                      NULL, NULL);
 
 typedef enum {
        ACPI_IMODE_LOAD_PASS1 = 0x01,
        ACPI_IMODE_LOAD_PASS2 = 0x02,
-       ACPI_IMODE_EXECUTE = 0x0E
+       ACPI_IMODE_EXECUTE = 0x03
 } acpi_interpreter_mode;
 
 union acpi_name_union {