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Diffstat (limited to 'drivers/acpi/parser/pswalk.c')
| -rw-r--r-- | drivers/acpi/parser/pswalk.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/drivers/acpi/parser/pswalk.c b/drivers/acpi/parser/pswalk.c deleted file mode 100644 index 8b86ad5a320..00000000000 --- a/drivers/acpi/parser/pswalk.c +++ /dev/null @@ -1,109 +0,0 @@ -/****************************************************************************** - * - * Module Name: pswalk - Parser routines to walk parsed op tree(s) - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/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; -} |