linux/drivers/acpi/acpica/dswscope.c

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/******************************************************************************
 *
 * Module Name: dswscope - Scope stack manipulation
 *
 * Copyright (C) 2000 - 2023, Intel Corp.
 *
 *****************************************************************************/

#include <acpi/acpi.h>
#include "accommon.h"
#include "acdispat.h"

#define _COMPONENT …
ACPI_MODULE_NAME("dswscope")

/****************************************************************************
 *
 * FUNCTION:    acpi_ds_scope_stack_clear
 *
 * PARAMETERS:  walk_state      - Current state
 *
 * RETURN:      None
 *
 * DESCRIPTION: Pop (and free) everything on the scope stack except the
 *              root scope object (which remains at the stack top.)
 *
 ***************************************************************************/
void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state)
{ … }

/****************************************************************************
 *
 * FUNCTION:    acpi_ds_scope_stack_push
 *
 * PARAMETERS:  node            - Name to be made current
 *              type            - Type of frame being pushed
 *              walk_state      - Current state
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Push the current scope on the scope stack, and make the
 *              passed Node current.
 *
 ***************************************************************************/

acpi_status
acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
			 acpi_object_type type,
			 struct acpi_walk_state *walk_state)
{ … }

/****************************************************************************
 *
 * FUNCTION:    acpi_ds_scope_stack_pop
 *
 * PARAMETERS:  walk_state      - Current state
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Pop the scope stack once.
 *
 ***************************************************************************/

acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state)
{ … }