Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (94 commits)
  ACPICA: hide private headers
  ACPICA: create acpica/ directory
  ACPI: fix build warning
  ACPI : Use RSDT instead of XSDT by adding boot option of "acpi=rsdt"
  ACPI: Avoid array address overflow when _CST MWAIT hint bits are set
  fujitsu-laptop: Simplify SBLL/SBL2 backlight handling
  fujitsu-laptop: Add BL power, LED control and radio state information
  ACPICA: delete utcache.c
  ACPICA: delete acdisasm.h
  ACPICA: Update version to 20081204.
  ACPICA: FADT: Update error msgs for consistency
  ACPICA: FADT: set acpi_gbl_use_default_register_widths to TRUE by default
  ACPICA: FADT parsing changes and fixes
  ACPICA: Add ACPI_MUTEX_TYPE configuration option
  ACPICA: Fixes for various ACPI data tables
  ACPICA: Restructure includes into public/private
  ACPI: remove private acpica headers from driver files
  ACPI: reboot.c: use new acpi_reset interface
  ACPICA: New: acpi_reset interface - write to reset register
  ACPICA: Move all public H/W interfaces to new hwxface
  ...

1 files changed, 287 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c
new file mode 100644
index 000000000000..1c7efc15225f
--- /dev/null
+++ b/drivers/acpi/acpica/nsxfobj.c
@@ -0,0 +1,287 @@
+/*******************************************************************************
+ *
+ * Module Name: nsxfobj - Public interfaces to the ACPI subsystem
+ *                         ACPI Object oriented interfaces
+ *
+ ******************************************************************************/
+
+/*
+ * 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 "accommon.h"
+#include "acnamesp.h"
+
+#define _COMPONENT          ACPI_NAMESPACE
+ACPI_MODULE_NAME("nsxfobj")
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_get_id
+ *
+ * PARAMETERS:  Handle          - Handle of object whose id is desired
+ *              ret_id          - Where the id will be placed
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This routine returns the owner id associated with a handle
+ *
+ ******************************************************************************/
+acpi_status acpi_get_id(acpi_handle handle, acpi_owner_id * ret_id)
+{
+	struct acpi_namespace_node *node;
+	acpi_status status;
+
+	/* Parameter Validation */
+
+	if (!ret_id) {
+		return (AE_BAD_PARAMETER);
+	}
+
+	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+	if (ACPI_FAILURE(status)) {
+		return (status);
+	}
+
+	/* Convert and validate the handle */
+
+	node = acpi_ns_map_handle_to_node(handle);
+	if (!node) {
+		(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+		return (AE_BAD_PARAMETER);
+	}
+
+	*ret_id = node->owner_id;
+
+	status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+	return (status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_id)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_get_type
+ *
+ * PARAMETERS:  Handle          - Handle of object whose type is desired
+ *              ret_type        - Where the type will be placed
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This routine returns the type associatd with a particular handle
+ *
+ ******************************************************************************/
+acpi_status acpi_get_type(acpi_handle handle, acpi_object_type * ret_type)
+{
+	struct acpi_namespace_node *node;
+	acpi_status status;
+
+	/* Parameter Validation */
+
+	if (!ret_type) {
+		return (AE_BAD_PARAMETER);
+	}
+
+	/*
+	 * Special case for the predefined Root Node
+	 * (return type ANY)
+	 */
+	if (handle == ACPI_ROOT_OBJECT) {
+		*ret_type = ACPI_TYPE_ANY;
+		return (AE_OK);
+	}
+
+	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+	if (ACPI_FAILURE(status)) {
+		return (status);
+	}
+
+	/* Convert and validate the handle */
+
+	node = acpi_ns_map_handle_to_node(handle);
+	if (!node) {
+		(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+		return (AE_BAD_PARAMETER);
+	}
+
+	*ret_type = node->type;
+
+	status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+	return (status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_type)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_get_parent
+ *
+ * PARAMETERS:  Handle          - Handle of object whose parent is desired
+ *              ret_handle      - Where the parent handle will be placed
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Returns a handle to the parent of the object represented by
+ *              Handle.
+ *
+ ******************************************************************************/
+acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
+{
+	struct acpi_namespace_node *node;
+	acpi_status status;
+
+	if (!ret_handle) {
+		return (AE_BAD_PARAMETER);
+	}
+
+	/* Special case for the predefined Root Node (no parent) */
+
+	if (handle == ACPI_ROOT_OBJECT) {
+		return (AE_NULL_ENTRY);
+	}
+
+	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+	if (ACPI_FAILURE(status)) {
+		return (status);
+	}
+
+	/* Convert and validate the handle */
+
+	node = acpi_ns_map_handle_to_node(handle);
+	if (!node) {
+		status = AE_BAD_PARAMETER;
+		goto unlock_and_exit;
+	}
+
+	/* Get the parent entry */
+
+	*ret_handle =
+	    acpi_ns_convert_entry_to_handle(acpi_ns_get_parent_node(node));
+
+	/* Return exception if parent is null */
+
+	if (!acpi_ns_get_parent_node(node)) {
+		status = AE_NULL_ENTRY;
+	}
+
+      unlock_and_exit:
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+	return (status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_parent)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_get_next_object
+ *
+ * PARAMETERS:  Type            - Type of object to be searched for
+ *              Parent          - Parent object whose children we are getting
+ *              last_child      - Previous child that was found.
+ *                                The NEXT child will be returned
+ *              ret_handle      - Where handle to the next object is placed
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Return the next peer object within the namespace.  If Handle is
+ *              valid, Scope is ignored.  Otherwise, the first object within
+ *              Scope is returned.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_get_next_object(acpi_object_type type,
+		     acpi_handle parent,
+		     acpi_handle child, acpi_handle * ret_handle)
+{
+	acpi_status status;
+	struct acpi_namespace_node *node;
+	struct acpi_namespace_node *parent_node = NULL;
+	struct acpi_namespace_node *child_node = NULL;
+
+	/* Parameter validation */
+
+	if (type > ACPI_TYPE_EXTERNAL_MAX) {
+		return (AE_BAD_PARAMETER);
+	}
+
+	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+	if (ACPI_FAILURE(status)) {
+		return (status);
+	}
+
+	/* If null handle, use the parent */
+
+	if (!child) {
+
+		/* Start search at the beginning of the specified scope */
+
+		parent_node = acpi_ns_map_handle_to_node(parent);
+		if (!parent_node) {
+			status = AE_BAD_PARAMETER;
+			goto unlock_and_exit;
+		}
+	} else {
+		/* Non-null handle, ignore the parent */
+		/* Convert and validate the handle */
+
+		child_node = acpi_ns_map_handle_to_node(child);
+		if (!child_node) {
+			status = AE_BAD_PARAMETER;
+			goto unlock_and_exit;
+		}
+	}
+
+	/* Internal function does the real work */
+
+	node = acpi_ns_get_next_node(type, parent_node, child_node);
+	if (!node) {
+		status = AE_NOT_FOUND;
+		goto unlock_and_exit;
+	}
+
+	if (ret_handle) {
+		*ret_handle = acpi_ns_convert_entry_to_handle(node);
+	}
+
+      unlock_and_exit:
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+	return (status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_next_object)