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-rw-r--r--drivers/acpi/namespace/nsnames.c265
1 files changed, 0 insertions, 265 deletions
diff --git a/drivers/acpi/namespace/nsnames.c b/drivers/acpi/namespace/nsnames.c
deleted file mode 100644
index b7e301848ba..00000000000
--- a/drivers/acpi/namespace/nsnames.c
+++ /dev/null
@@ -1,265 +0,0 @@
-/*******************************************************************************
- *
- * Module Name: nsnames - Name manipulation and search
- *
- ******************************************************************************/
-
-/*
- * 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/accommon.h>
-#include <acpi/amlcode.h>
-#include <acpi/acnamesp.h>
-
-#define _COMPONENT ACPI_NAMESPACE
-ACPI_MODULE_NAME("nsnames")
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ns_build_external_path
- *
- * PARAMETERS: Node - NS node whose pathname is needed
- * Size - Size of the pathname
- * *name_buffer - Where to return the pathname
- *
- * RETURN: Status
- * Places the pathname into the name_buffer, in external format
- * (name segments separated by path separators)
- *
- * DESCRIPTION: Generate a full pathaname
- *
- ******************************************************************************/
-acpi_status
-acpi_ns_build_external_path(struct acpi_namespace_node *node,
- acpi_size size, char *name_buffer)
-{
- acpi_size index;
- struct acpi_namespace_node *parent_node;
-
- ACPI_FUNCTION_ENTRY();
-
- /* Special case for root */
-
- index = size - 1;
- if (index < ACPI_NAME_SIZE) {
- name_buffer[0] = AML_ROOT_PREFIX;
- name_buffer[1] = 0;
- return (AE_OK);
- }
-
- /* Store terminator byte, then build name backwards */
-
- parent_node = node;
- name_buffer[index] = 0;
-
- while ((index > ACPI_NAME_SIZE) && (parent_node != acpi_gbl_root_node)) {
- index -= ACPI_NAME_SIZE;
-
- /* Put the name into the buffer */
-
- ACPI_MOVE_32_TO_32((name_buffer + index), &parent_node->name);
- parent_node = acpi_ns_get_parent_node(parent_node);
-
- /* Prefix name with the path separator */
-
- index--;
- name_buffer[index] = ACPI_PATH_SEPARATOR;
- }
-
- /* Overwrite final separator with the root prefix character */
-
- name_buffer[index] = AML_ROOT_PREFIX;
-
- if (index != 0) {
- ACPI_ERROR((AE_INFO,
- "Could not construct external pathname; index=%X, size=%X, Path=%s",
- (u32) index, (u32) size, &name_buffer[size]));
-
- return (AE_BAD_PARAMETER);
- }
-
- return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ns_get_external_pathname
- *
- * PARAMETERS: Node - Namespace node whose pathname is needed
- *
- * RETURN: Pointer to storage containing the fully qualified name of
- * the node, In external format (name segments separated by path
- * separators.)
- *
- * DESCRIPTION: Used for debug printing in acpi_ns_search_table().
- *
- ******************************************************************************/
-
-char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
-{
- acpi_status status;
- char *name_buffer;
- acpi_size size;
-
- ACPI_FUNCTION_TRACE_PTR(ns_get_external_pathname, node);
-
- /* Calculate required buffer size based on depth below root */
-
- size = acpi_ns_get_pathname_length(node);
- if (!size) {
- return_PTR(NULL);
- }
-
- /* Allocate a buffer to be returned to caller */
-
- name_buffer = ACPI_ALLOCATE_ZEROED(size);
- if (!name_buffer) {
- ACPI_ERROR((AE_INFO, "Allocation failure"));
- return_PTR(NULL);
- }
-
- /* Build the path in the allocated buffer */
-
- status = acpi_ns_build_external_path(node, size, name_buffer);
- if (ACPI_FAILURE(status)) {
- ACPI_FREE(name_buffer);
- return_PTR(NULL);
- }
-
- return_PTR(name_buffer);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ns_get_pathname_length
- *
- * PARAMETERS: Node - Namespace node
- *
- * RETURN: Length of path, including prefix
- *
- * DESCRIPTION: Get the length of the pathname string for this node
- *
- ******************************************************************************/
-
-acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node)
-{
- acpi_size size;
- struct acpi_namespace_node *next_node;
-
- ACPI_FUNCTION_ENTRY();
-
- /*
- * Compute length of pathname as 5 * number of name segments.
- * Go back up the parent tree to the root
- */
- size = 0;
- next_node = node;
-
- while (next_node && (next_node != acpi_gbl_root_node)) {
- if (ACPI_GET_DESCRIPTOR_TYPE(next_node) != ACPI_DESC_TYPE_NAMED) {
- ACPI_ERROR((AE_INFO,
- "Invalid Namespace Node (%p) while traversing namespace",
- next_node));
- return 0;
- }
- size += ACPI_PATH_SEGMENT_LENGTH;
- next_node = acpi_ns_get_parent_node(next_node);
- }
-
- if (!size) {
- size = 1; /* Root node case */
- }
-
- return (size + 1); /* +1 for null string terminator */
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ns_handle_to_pathname
- *
- * PARAMETERS: target_handle - Handle of named object whose name is
- * to be found
- * Buffer - Where the pathname is returned
- *
- * RETURN: Status, Buffer is filled with pathname if status is AE_OK
- *
- * DESCRIPTION: Build and return a full namespace pathname
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ns_handle_to_pathname(acpi_handle target_handle,
- struct acpi_buffer * buffer)
-{
- acpi_status status;
- struct acpi_namespace_node *node;
- acpi_size required_size;
-
- ACPI_FUNCTION_TRACE_PTR(ns_handle_to_pathname, target_handle);
-
- node = acpi_ns_map_handle_to_node(target_handle);
- if (!node) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- /* Determine size required for the caller buffer */
-
- required_size = acpi_ns_get_pathname_length(node);
- if (!required_size) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- /* Validate/Allocate/Clear caller buffer */
-
- status = acpi_ut_initialize_buffer(buffer, required_size);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /* Build the path in the caller buffer */
-
- status =
- acpi_ns_build_external_path(node, required_size, buffer->pointer);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%s [%X]\n",
- (char *)buffer->pointer, (u32) required_size));
- return_ACPI_STATUS(AE_OK);
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-26 00:17:57 +0000