Release 4.17 drivers/acpi/acpica/pswalk.c

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/******************************************************************************
 *
 * Module Name: pswalk - Parser routines to walk parsed op tree(s)
 *
 * Copyright (C) 2000 - 2018, Intel Corp.
 *
 *****************************************************************************/

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


#define _COMPONENT          ACPI_PARSER
ACPI_MODULE_NAME("pswalk")

/*******************************************************************************
 *
 * FUNCTION:    acpi_ps_delete_parse_tree
 *
 * PARAMETERS:  subtree_root        - Root of tree (or subtree) to delete
 *
 * RETURN:      None
 *
 * DESCRIPTION: Delete a portion of or an entire parse tree.
 *
 ******************************************************************************/


void acpi_ps_delete_parse_tree(union acpi_parse_object *subtree_root)
{
	union acpi_parse_object *op = subtree_root;
	union acpi_parse_object *next = NULL;
	union acpi_parse_object *parent = NULL;

	ACPI_FUNCTION_TRACE_PTR(ps_delete_parse_tree, subtree_root);

	/* Visit all nodes in the subtree */

	while (op) {

		/* Check if we are not ascending */

		if (op != parent) {

			/* Look for an argument or child of the current op */

			next = acpi_ps_get_arg(op, 0);
			if (next) {

				/* Still going downward in tree (Op is not completed yet) */

				op = next;
				continue;
			}
		}

		/* No more children, this Op is complete. */

		next = op->common.next;
		parent = op->common.parent;

		acpi_ps_free_op(op);

		/* If we are back to the starting point, the walk is complete. */

		if (op == subtree_root) {
			return_VOID;
		}

		if (next) {
			op = next;
		} else {
			op = parent;
		}
	}

	return_VOID;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
73
57.03%
2
18.18%
Len Brown
27
21.09%
2
18.18%
Linus Torvalds
16
12.50%
2
18.18%
Andy Grover
9
7.03%
3
27.27%
Robert Moore
3
2.34%
2
18.18%
Total
128
100.00%
11
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
83
56.08%
2
12.50%
Len Brown
30
20.27%
3
18.75%
Linus Torvalds
17
11.49%
3
18.75%
Andy Grover
10
6.76%
3
18.75%
Robert Moore
5
3.38%
3
18.75%
Erik Schmauss
2
1.35%
1
6.25%
Patrick Mochel
1
0.68%
1
6.25%
Total
148
100.00%
16
100.00%
Directory: drivers/acpi/acpica

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.