1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
4  * Module Name: nsinit - namespace initialization
6  * Copyright (C) 2000 - 2023, Intel Corp.
148 		 * This support is provided for Windows compatibility (Vista+) and  in acpi_ns_initialize_devices()
151 		info.evaluate_info->prefix_node = acpi_gbl_root_node;  in acpi_ns_initialize_devices()
152 		info.evaluate_info->relative_pathname = METHOD_NAME__INI;  in acpi_ns_initialize_devices()
153 		info.evaluate_info->parameters = NULL;  in acpi_ns_initialize_devices()
154 		info.evaluate_info->flags = ACPI_IGNORE_RETURN_VALUE;  in acpi_ns_initialize_devices()
170 			info.evaluate_info->prefix_node = handle;  in acpi_ns_initialize_devices()
171 			info.evaluate_info->relative_pathname =  in acpi_ns_initialize_devices()
173 			info.evaluate_info->parameters = NULL;  in acpi_ns_initialize_devices()
174 			info.evaluate_info->flags = ACPI_IGNORE_RETURN_VALUE;  in acpi_ns_initialize_devices()
218 		 * I/O addresses to 16 bits -- for Windows compatibility.  in acpi_ns_initialize_devices()
247  * PARAMETERS:  obj_handle      - Node
248  *              level           - Current nesting level
249  *              context         - Not used
250  *              return_value    - Not used
275 	if (obj_desc->package.flags & AOPOBJ_DATA_VALID) {  in acpi_ns_init_one_package()
291 	obj_desc->package.flags |= AOPOBJ_DATA_VALID;  in acpi_ns_init_one_package()
299  * PARAMETERS:  obj_handle      - Node
300  *              level           - Current nesting level
301  *              context         - Points to a init info struct
302  *              return_value    - Not used
329 	info->object_count++;  in acpi_ns_init_one_object()
344 		info->op_region_count++;  in acpi_ns_init_one_object()
349 		info->field_count++;  in acpi_ns_init_one_object()
354 		info->field_count++;  in acpi_ns_init_one_object()
359 		info->buffer_count++;  in acpi_ns_init_one_object()
364 		info->package_count++;  in acpi_ns_init_one_object()
376 	if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {  in acpi_ns_init_one_object()
386 	 * to support forward references.  in acpi_ns_init_one_object()
393 		info->field_init++;  in acpi_ns_init_one_object()
401 		info->package_init++;  in acpi_ns_init_one_object()
461 	if ((node->type == ACPI_TYPE_DEVICE) ||  in acpi_ns_find_ini_methods()
462 	    (node->type == ACPI_TYPE_PROCESSOR) ||  in acpi_ns_find_ini_methods()
463 	    (node->type == ACPI_TYPE_THERMAL)) {  in acpi_ns_find_ini_methods()
464 		info->device_count++;  in acpi_ns_find_ini_methods()
470 	if (!ACPI_COMPARE_NAMESEG(node->name.ascii, METHOD_NAME__INI)) {  in acpi_ns_find_ini_methods()
478 	parent_node = node->parent;  in acpi_ns_find_ini_methods()
479 	switch (parent_node->type) {  in acpi_ns_find_ini_methods()
487 			parent_node->flags |= ANOBJ_SUBTREE_HAS_INI;  in acpi_ns_find_ini_methods()
488 			parent_node = parent_node->parent;  in acpi_ns_find_ini_methods()
520 	struct acpi_evaluate_info *info = walk_info->evaluate_info;  in acpi_ns_init_one_device()
530 	if ((device_node->type != ACPI_TYPE_DEVICE) &&  in acpi_ns_init_one_device()
531 	    (device_node->type != ACPI_TYPE_PROCESSOR) &&  in acpi_ns_init_one_device()
532 	    (device_node->type != ACPI_TYPE_THERMAL)) {  in acpi_ns_init_one_device()
543 	if (!(device_node->flags & ANOBJ_SUBTREE_HAS_INI)) {  in acpi_ns_init_one_device()
570 	 * Flags == -1 means that _STA was not found. In this case, we assume that  in acpi_ns_init_one_device()
580 		walk_info->num_STA++;  in acpi_ns_init_one_device()
599 			 * From the ACPI spec, description of _STA: (note - no mention  in acpi_ns_init_one_device()
613 			 * walk of this subtree immediately -- don't look at the children  in acpi_ns_init_one_device()
633 	if (!ACPI_COMPARE_NAMESEG(device_node->name.ascii, "_SB_") ||  in acpi_ns_init_one_device()
634 	    device_node->parent != acpi_gbl_root_node) {  in acpi_ns_init_one_device()
640 		info->prefix_node = device_node;  in acpi_ns_init_one_device()
641 		info->relative_pathname = METHOD_NAME__INI;  in acpi_ns_init_one_device()
642 		info->parameters = NULL;  in acpi_ns_init_one_device()
643 		info->flags = ACPI_IGNORE_RETURN_VALUE;  in acpi_ns_init_one_device()
647 			walk_info->num_INI++;  in acpi_ns_init_one_device()