ACPICA: create acpica/ directory

also, delete sleep/ and delete ACPI_CFLAGS from Makefile

Signed-off-by: Len Brown <len.brown@intel.com>

12 files changed, 0 insertions, 8278 deletions

diff --git a/drivers/acpi/dispatcher/Makefile b/drivers/acpi/dispatcher/Makefile
deleted file mode 100644
index eb7e602a83cd..000000000000
--- a/drivers/acpi/dispatcher/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# Makefile for all Linux ACPI interpreter subdirectories
-#
-
-obj-y := dsfield.o   dsmthdat.o  dsopcode.o  dswexec.o  dswscope.o \
-	 dsmethod.o  dsobject.o  dsutils.o   dswload.o  dswstate.o \
-	 dsinit.o
-
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c
deleted file mode 100644
index 5fbc24075b44..000000000000
--- a/drivers/acpi/dispatcher/dsfield.c
+++ /dev/null
@@ -1,650 +0,0 @@
-/******************************************************************************
- *
- * Module Name: dsfield - Dispatcher field routines
- *
- *****************************************************************************/
-
-/*
- * 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/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
-
-#define _COMPONENT          ACPI_DISPATCHER
-ACPI_MODULE_NAME("dsfield")
-
-/* Local prototypes */
-static acpi_status
-acpi_ds_get_field_names(struct acpi_create_field_info *info,
-			struct acpi_walk_state *walk_state,
-			union acpi_parse_object *arg);
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_create_buffer_field
- *
- * PARAMETERS:  Op                  - Current parse op (create_xXField)
- *              walk_state          - Current state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Execute the create_field operators:
- *              create_bit_field_op,
- *              create_byte_field_op,
- *              create_word_field_op,
- *              create_dword_field_op,
- *              create_qword_field_op,
- *              create_field_op     (all of which define a field in a buffer)
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_create_buffer_field(union acpi_parse_object *op,
-			    struct acpi_walk_state *walk_state)
-{
-	union acpi_parse_object *arg;
-	struct acpi_namespace_node *node;
-	acpi_status status;
-	union acpi_operand_object *obj_desc;
-	union acpi_operand_object *second_desc = NULL;
-	u32 flags;
-
-	ACPI_FUNCTION_TRACE(ds_create_buffer_field);
-
-	/*
-	 * Get the name_string argument (name of the new buffer_field)
-	 */
-	if (op->common.aml_opcode == AML_CREATE_FIELD_OP) {
-
-		/* For create_field, name is the 4th argument */
-
-		arg = acpi_ps_get_arg(op, 3);
-	} else {
-		/* For all other create_xXXField operators, name is the 3rd argument */
-
-		arg = acpi_ps_get_arg(op, 2);
-	}
-
-	if (!arg) {
-		return_ACPI_STATUS(AE_AML_NO_OPERAND);
-	}
-
-	if (walk_state->deferred_node) {
-		node = walk_state->deferred_node;
-		status = AE_OK;
-	} else {
-		/* Execute flag should always be set when this function is entered */
-
-		if (!(walk_state->parse_flags & ACPI_PARSE_EXECUTE)) {
-			return_ACPI_STATUS(AE_AML_INTERNAL);
-		}
-
-		/* Creating new namespace node, should not already exist */
-
-		flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
-		    ACPI_NS_ERROR_IF_FOUND;
-
-		/* Mark node temporary if we are executing a method */
-
-		if (walk_state->method_node) {
-			flags |= ACPI_NS_TEMPORARY;
-		}
-
-		/* Enter the name_string into the namespace */
-
-		status =
-		    acpi_ns_lookup(walk_state->scope_info,
-				   arg->common.value.string, ACPI_TYPE_ANY,
-				   ACPI_IMODE_LOAD_PASS1, flags, walk_state,
-				   &node);
-		if (ACPI_FAILURE(status)) {
-			ACPI_ERROR_NAMESPACE(arg->common.value.string, status);
-			return_ACPI_STATUS(status);
-		}
-	}
-
-	/*
-	 * We could put the returned object (Node) on the object stack for later,
-	 * but for now, we will put it in the "op" object that the parser uses,
-	 * so we can get it again at the end of this scope.
-	 */
-	op->common.node = node;
-
-	/*
-	 * If there is no object attached to the node, this node was just created
-	 * and we need to create the field object. Otherwise, this was a lookup
-	 * of an existing node and we don't want to create the field object again.
-	 */
-	obj_desc = acpi_ns_get_attached_object(node);
-	if (obj_desc) {
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	/*
-	 * The Field definition is not fully parsed at this time.
-	 * (We must save the address of the AML for the buffer and index operands)
-	 */
-
-	/* Create the buffer field object */
-
-	obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER_FIELD);
-	if (!obj_desc) {
-		status = AE_NO_MEMORY;
-		goto cleanup;
-	}
-
-	/*
-	 * Remember location in AML stream of the field unit opcode and operands --
-	 * since the buffer and index operands must be evaluated.
-	 */
-	second_desc = obj_desc->common.next_object;
-	second_desc->extra.aml_start = op->named.data;
-	second_desc->extra.aml_length = op->named.length;
-	obj_desc->buffer_field.node = node;
-
-	/* Attach constructed field descriptors to parent node */
-
-	status = acpi_ns_attach_object(node, obj_desc, ACPI_TYPE_BUFFER_FIELD);
-	if (ACPI_FAILURE(status)) {
-		goto cleanup;
-	}
-
-      cleanup:
-
-	/* Remove local reference to the object */
-
-	acpi_ut_remove_reference(obj_desc);
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_get_field_names
- *
- * PARAMETERS:  Info            - create_field info structure
- *  `           walk_state      - Current method state
- *              Arg             - First parser arg for the field name list
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Process all named fields in a field declaration.  Names are
- *              entered into the namespace.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ds_get_field_names(struct acpi_create_field_info *info,
-			struct acpi_walk_state *walk_state,
-			union acpi_parse_object *arg)
-{
-	acpi_status status;
-	acpi_integer position;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_get_field_names, info);
-
-	/* First field starts at bit zero */
-
-	info->field_bit_position = 0;
-
-	/* Process all elements in the field list (of parse nodes) */
-
-	while (arg) {
-		/*
-		 * Three types of field elements are handled:
-		 * 1) Offset - specifies a bit offset
-		 * 2) access_as - changes the access mode
-		 * 3) Name - Enters a new named field into the namespace
-		 */
-		switch (arg->common.aml_opcode) {
-		case AML_INT_RESERVEDFIELD_OP:
-
-			position = (acpi_integer) info->field_bit_position
-			    + (acpi_integer) arg->common.value.size;
-
-			if (position > ACPI_UINT32_MAX) {
-				ACPI_ERROR((AE_INFO,
-					    "Bit offset within field too large (> 0xFFFFFFFF)"));
-				return_ACPI_STATUS(AE_SUPPORT);
-			}
-
-			info->field_bit_position = (u32) position;
-			break;
-
-		case AML_INT_ACCESSFIELD_OP:
-
-			/*
-			 * Get a new access_type and access_attribute -- to be used for all
-			 * field units that follow, until field end or another access_as
-			 * keyword.
-			 *
-			 * In field_flags, preserve the flag bits other than the
-			 * ACCESS_TYPE bits
-			 */
-			info->field_flags = (u8)
-			    ((info->
-			      field_flags & ~(AML_FIELD_ACCESS_TYPE_MASK)) |
-			     ((u8) ((u32) arg->common.value.integer >> 8)));
-
-			info->attribute = (u8) (arg->common.value.integer);
-			break;
-
-		case AML_INT_NAMEDFIELD_OP:
-
-			/* Lookup the name, it should already exist */
-
-			status = acpi_ns_lookup(walk_state->scope_info,
-						(char *)&arg->named.name,
-						info->field_type,
-						ACPI_IMODE_EXECUTE,
-						ACPI_NS_DONT_OPEN_SCOPE,
-						walk_state, &info->field_node);
-			if (ACPI_FAILURE(status)) {
-				ACPI_ERROR_NAMESPACE((char *)&arg->named.name,
-						     status);
-				return_ACPI_STATUS(status);
-			} else {
-				arg->common.node = info->field_node;
-				info->field_bit_length = arg->common.value.size;
-
-				/*
-				 * If there is no object attached to the node, this node was
-				 * just created and we need to create the field object.
-				 * Otherwise, this was a lookup of an existing node and we
-				 * don't want to create the field object again.
-				 */
-				if (!acpi_ns_get_attached_object
-				    (info->field_node)) {
-					status = acpi_ex_prep_field_value(info);
-					if (ACPI_FAILURE(status)) {
-						return_ACPI_STATUS(status);
-					}
-				}
-			}
-
-			/* Keep track of bit position for the next field */
-
-			position = (acpi_integer) info->field_bit_position
-			    + (acpi_integer) arg->common.value.size;
-
-			if (position > ACPI_UINT32_MAX) {
-				ACPI_ERROR((AE_INFO,
-					    "Field [%4.4s] bit offset too large (> 0xFFFFFFFF)",
-					    ACPI_CAST_PTR(char,
-							  &info->field_node->
-							  name)));
-				return_ACPI_STATUS(AE_SUPPORT);
-			}
-
-			info->field_bit_position += info->field_bit_length;
-			break;
-
-		default:
-
-			ACPI_ERROR((AE_INFO,
-				    "Invalid opcode in field list: %X",
-				    arg->common.aml_opcode));
-			return_ACPI_STATUS(AE_AML_BAD_OPCODE);
-		}
-
-		arg = arg->common.next;
-	}
-
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_create_field
- *
- * PARAMETERS:  Op              - Op containing the Field definition and args
- *              region_node     - Object for the containing Operation Region
- *  `           walk_state      - Current method state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Create a new field in the specified operation region
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_create_field(union acpi_parse_object *op,
-		     struct acpi_namespace_node *region_node,
-		     struct acpi_walk_state *walk_state)
-{
-	acpi_status status;
-	union acpi_parse_object *arg;
-	struct acpi_create_field_info info;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_create_field, op);
-
-	/* First arg is the name of the parent op_region (must already exist) */
-
-	arg = op->common.value.arg;
-	if (!region_node) {
-		status =
-		    acpi_ns_lookup(walk_state->scope_info,
-				   arg->common.value.name, ACPI_TYPE_REGION,
-				   ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
-				   walk_state, &region_node);
-		if (ACPI_FAILURE(status)) {
-			ACPI_ERROR_NAMESPACE(arg->common.value.name, status);
-			return_ACPI_STATUS(status);
-		}
-	}
-
-	/* Second arg is the field flags */
-
-	arg = arg->common.next;
-	info.field_flags = (u8) arg->common.value.integer;
-	info.attribute = 0;
-
-	/* Each remaining arg is a Named Field */
-
-	info.field_type = ACPI_TYPE_LOCAL_REGION_FIELD;
-	info.region_node = region_node;
-
-	status = acpi_ds_get_field_names(&info, walk_state, arg->common.next);
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_init_field_objects
- *
- * PARAMETERS:  Op              - Op containing the Field definition and args
- *  `           walk_state      - Current method state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: For each "Field Unit" name in the argument list that is
- *              part of the field declaration, enter the name into the
- *              namespace.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_init_field_objects(union acpi_parse_object *op,
-			   struct acpi_walk_state *walk_state)
-{
-	acpi_status status;
-	union acpi_parse_object *arg = NULL;
-	struct acpi_namespace_node *node;
-	u8 type = 0;
-	u32 flags;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_init_field_objects, op);
-
-	/* Execute flag should always be set when this function is entered */
-
-	if (!(walk_state->parse_flags & ACPI_PARSE_EXECUTE)) {
-		if (walk_state->parse_flags & ACPI_PARSE_DEFERRED_OP) {
-
-			/* bank_field Op is deferred, just return OK */
-
-			return_ACPI_STATUS(AE_OK);
-		}
-
-		return_ACPI_STATUS(AE_AML_INTERNAL);
-	}
-
-	/*
-	 * Get the field_list argument for this opcode. This is the start of the
-	 * list of field elements.
-	 */
-	switch (walk_state->opcode) {
-	case AML_FIELD_OP:
-		arg = acpi_ps_get_arg(op, 2);
-		type = ACPI_TYPE_LOCAL_REGION_FIELD;
-		break;
-
-	case AML_BANK_FIELD_OP:
-		arg = acpi_ps_get_arg(op, 4);
-		type = ACPI_TYPE_LOCAL_BANK_FIELD;
-		break;
-
-	case AML_INDEX_FIELD_OP:
-		arg = acpi_ps_get_arg(op, 3);
-		type = ACPI_TYPE_LOCAL_INDEX_FIELD;
-		break;
-
-	default:
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	/* Creating new namespace node(s), should not already exist */
-
-	flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
-	    ACPI_NS_ERROR_IF_FOUND;
-
-	/* Mark node(s) temporary if we are executing a method */
-
-	if (walk_state->method_node) {
-		flags |= ACPI_NS_TEMPORARY;
-	}
-
-	/*
-	 * Walk the list of entries in the field_list
-	 * Note: field_list can be of zero length. In this case, Arg will be NULL.
-	 */
-	while (arg) {
-		/*
-		 * Ignore OFFSET and ACCESSAS terms here; we are only interested in the
-		 * field names in order to enter them into the namespace.
-		 */
-		if (arg->common.aml_opcode == AML_INT_NAMEDFIELD_OP) {
-			status = acpi_ns_lookup(walk_state->scope_info,
-						(char *)&arg->named.name, type,
-						ACPI_IMODE_LOAD_PASS1, flags,
-						walk_state, &node);
-			if (ACPI_FAILURE(status)) {
-				ACPI_ERROR_NAMESPACE((char *)&arg->named.name,
-						     status);
-				if (status != AE_ALREADY_EXISTS) {
-					return_ACPI_STATUS(status);
-				}
-
-				/* Name already exists, just ignore this error */
-
-				status = AE_OK;
-			}
-
-			arg->common.node = node;
-		}
-
-		/* Get the next field element in the list */
-
-		arg = arg->common.next;
-	}
-
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_create_bank_field
- *
- * PARAMETERS:  Op              - Op containing the Field definition and args
- *              region_node     - Object for the containing Operation Region
- *              walk_state      - Current method state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Create a new bank field in the specified operation region
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_create_bank_field(union acpi_parse_object *op,
-			  struct acpi_namespace_node *region_node,
-			  struct acpi_walk_state *walk_state)
-{
-	acpi_status status;
-	union acpi_parse_object *arg;
-	struct acpi_create_field_info info;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_create_bank_field, op);
-
-	/* First arg is the name of the parent op_region (must already exist) */
-
-	arg = op->common.value.arg;
-	if (!region_node) {
-		status =
-		    acpi_ns_lookup(walk_state->scope_info,
-				   arg->common.value.name, ACPI_TYPE_REGION,
-				   ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
-				   walk_state, &region_node);
-		if (ACPI_FAILURE(status)) {
-			ACPI_ERROR_NAMESPACE(arg->common.value.name, status);
-			return_ACPI_STATUS(status);
-		}
-	}
-
-	/* Second arg is the Bank Register (Field) (must already exist) */
-
-	arg = arg->common.next;
-	status =
-	    acpi_ns_lookup(walk_state->scope_info, arg->common.value.string,
-			   ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
-			   ACPI_NS_SEARCH_PARENT, walk_state,
-			   &info.register_node);
-	if (ACPI_FAILURE(status)) {
-		ACPI_ERROR_NAMESPACE(arg->common.value.string, status);
-		return_ACPI_STATUS(status);
-	}
-
-	/*
-	 * Third arg is the bank_value
-	 * This arg is a term_arg, not a constant
-	 * It will be evaluated later, by acpi_ds_eval_bank_field_operands
-	 */
-	arg = arg->common.next;
-
-	/* Fourth arg is the field flags */
-
-	arg = arg->common.next;
-	info.field_flags = (u8) arg->common.value.integer;
-
-	/* Each remaining arg is a Named Field */
-
-	info.field_type = ACPI_TYPE_LOCAL_BANK_FIELD;
-	info.region_node = region_node;
-
-	/*
-	 * Use Info.data_register_node to store bank_field Op
-	 * It's safe because data_register_node will never be used when create bank field
-	 * We store aml_start and aml_length in the bank_field Op for late evaluation
-	 * Used in acpi_ex_prep_field_value(Info)
-	 *
-	 * TBD: Or, should we add a field in struct acpi_create_field_info, like "void *ParentOp"?
-	 */
-	info.data_register_node = (struct acpi_namespace_node *)op;
-
-	status = acpi_ds_get_field_names(&info, walk_state, arg->common.next);
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_create_index_field
- *
- * PARAMETERS:  Op              - Op containing the Field definition and args
- *              region_node     - Object for the containing Operation Region
- *  `           walk_state      - Current method state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Create a new index field in the specified operation region
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_create_index_field(union acpi_parse_object *op,
-			   struct acpi_namespace_node *region_node,
-			   struct acpi_walk_state *walk_state)
-{
-	acpi_status status;
-	union acpi_parse_object *arg;
-	struct acpi_create_field_info info;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_create_index_field, op);
-
-	/* First arg is the name of the Index register (must already exist) */
-
-	arg = op->common.value.arg;
-	status =
-	    acpi_ns_lookup(walk_state->scope_info, arg->common.value.string,
-			   ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
-			   ACPI_NS_SEARCH_PARENT, walk_state,
-			   &info.register_node);
-	if (ACPI_FAILURE(status)) {
-		ACPI_ERROR_NAMESPACE(arg->common.value.string, status);
-		return_ACPI_STATUS(status);
-	}
-
-	/* Second arg is the data register (must already exist) */
-
-	arg = arg->common.next;
-	status =
-	    acpi_ns_lookup(walk_state->scope_info, arg->common.value.string,
-			   ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
-			   ACPI_NS_SEARCH_PARENT, walk_state,
-			   &info.data_register_node);
-	if (ACPI_FAILURE(status)) {
-		ACPI_ERROR_NAMESPACE(arg->common.value.string, status);
-		return_ACPI_STATUS(status);
-	}
-
-	/* Next arg is the field flags */
-
-	arg = arg->common.next;
-	info.field_flags = (u8) arg->common.value.integer;
-
-	/* Each remaining arg is a Named Field */
-
-	info.field_type = ACPI_TYPE_LOCAL_INDEX_FIELD;
-	info.region_node = region_node;
-
-	status = acpi_ds_get_field_names(&info, walk_state, arg->common.next);
-
-	return_ACPI_STATUS(status);
-}
diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
deleted file mode 100644
index 4f1cdd823fcc..000000000000
--- a/drivers/acpi/dispatcher/dsinit.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/******************************************************************************
- *
- * Module Name: dsinit - Object initialization namespace walk
- *
- *****************************************************************************/
-
-/*
- * 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/acdispat.h>
-#include <acpi/acnamesp.h>
-#include <acpi/actables.h>
-
-#define _COMPONENT          ACPI_DISPATCHER
-ACPI_MODULE_NAME("dsinit")
-
-/* Local prototypes */
-static acpi_status
-acpi_ds_init_one_object(acpi_handle obj_handle,
-			u32 level, void *context, void **return_value);
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_init_one_object
- *
- * PARAMETERS:  obj_handle      - Node for the object
- *              Level           - Current nesting level
- *              Context         - Points to a init info struct
- *              return_value    - Not used
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Callback from acpi_walk_namespace. Invoked for every object
- *              within the namespace.
- *
- *              Currently, the only objects that require initialization are:
- *              1) Methods
- *              2) Operation Regions
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ds_init_one_object(acpi_handle obj_handle,
-			u32 level, void *context, void **return_value)
-{
-	struct acpi_init_walk_info *info =
-	    (struct acpi_init_walk_info *)context;
-	struct acpi_namespace_node *node =
-	    (struct acpi_namespace_node *)obj_handle;
-	acpi_object_type type;
-	acpi_status status;
-
-	ACPI_FUNCTION_ENTRY();
-
-	/*
-	 * We are only interested in NS nodes owned by the table that
-	 * was just loaded
-	 */
-	if (node->owner_id != info->owner_id) {
-		return (AE_OK);
-	}
-
-	info->object_count++;
-
-	/* And even then, we are only interested in a few object types */
-
-	type = acpi_ns_get_type(obj_handle);
-
-	switch (type) {
-	case ACPI_TYPE_REGION:
-
-		status = acpi_ds_initialize_region(obj_handle);
-		if (ACPI_FAILURE(status)) {
-			ACPI_EXCEPTION((AE_INFO, status,
-					"During Region initialization %p [%4.4s]",
-					obj_handle,
-					acpi_ut_get_node_name(obj_handle)));
-		}
-
-		info->op_region_count++;
-		break;
-
-	case ACPI_TYPE_METHOD:
-
-		info->method_count++;
-		break;
-
-	case ACPI_TYPE_DEVICE:
-
-		info->device_count++;
-		break;
-
-	default:
-		break;
-	}
-
-	/*
-	 * We ignore errors from above, and always return OK, since
-	 * we don't want to abort the walk on a single error.
-	 */
-	return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_initialize_objects
- *
- * PARAMETERS:  table_desc      - Descriptor for parent ACPI table
- *              start_node      - Root of subtree to be initialized.
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Walk the namespace starting at "StartNode" and perform any
- *              necessary initialization on the objects found therein
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_initialize_objects(u32 table_index,
-			   struct acpi_namespace_node * start_node)
-{
-	acpi_status status;
-	struct acpi_init_walk_info info;
-	struct acpi_table_header *table;
-	acpi_owner_id owner_id;
-
-	ACPI_FUNCTION_TRACE(ds_initialize_objects);
-
-	status = acpi_tb_get_owner_id(table_index, &owner_id);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "**** Starting initialization of namespace objects ****\n"));
-	ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "Parsing all Control Methods:"));
-
-	info.method_count = 0;
-	info.op_region_count = 0;
-	info.object_count = 0;
-	info.device_count = 0;
-	info.table_index = table_index;
-	info.owner_id = owner_id;
-
-	/* Walk entire namespace from the supplied root */
-
-	status = acpi_walk_namespace(ACPI_TYPE_ANY, start_node, ACPI_UINT32_MAX,
-				     acpi_ds_init_one_object, &info, NULL);
-	if (ACPI_FAILURE(status)) {
-		ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
-	}
-
-	status = acpi_get_table_by_index(table_index, &table);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
-			      "\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n",
-			      table->signature, owner_id, info.object_count,
-			      info.device_count, info.method_count,
-			      info.op_region_count));
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "%hd Methods, %hd Regions\n", info.method_count,
-			  info.op_region_count));
-
-	return_ACPI_STATUS(AE_OK);
-}
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
deleted file mode 100644
index 333c8560d9f8..000000000000
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ /dev/null
@@ -1,629 +0,0 @@
-/******************************************************************************
- *
- * Module Name: dsmethod - Parser/Interpreter interface - control method parsing
- *
- *****************************************************************************/
-
-/*
- * 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/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#ifdef	ACPI_DISASSEMBLER
-#include <acpi/acdisasm.h>
-#endif
-
-#define _COMPONENT          ACPI_DISPATCHER
-ACPI_MODULE_NAME("dsmethod")
-
-/* Local prototypes */
-static acpi_status
-acpi_ds_create_method_mutex(union acpi_operand_object *method_desc);
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_method_error
- *
- * PARAMETERS:  Status          - Execution status
- *              walk_state      - Current state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Called on method error. Invoke the global exception handler if
- *              present, dump the method data if the disassembler is configured
- *
- *              Note: Allows the exception handler to change the status code
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state)
-{
-	ACPI_FUNCTION_ENTRY();
-
-	/* Ignore AE_OK and control exception codes */
-
-	if (ACPI_SUCCESS(status) || (status & AE_CODE_CONTROL)) {
-		return (status);
-	}
-
-	/* Invoke the global exception handler */
-
-	if (acpi_gbl_exception_handler) {
-
-		/* Exit the interpreter, allow handler to execute methods */
-
-		acpi_ex_exit_interpreter();
-
-		/*
-		 * Handler can map the exception code to anything it wants, including
-		 * AE_OK, in which case the executing method will not be aborted.
-		 */
-		status = acpi_gbl_exception_handler(status,
-						    walk_state->method_node ?
-						    walk_state->method_node->
-						    name.integer : 0,
-						    walk_state->opcode,
-						    walk_state->aml_offset,
-						    NULL);
-		acpi_ex_enter_interpreter();
-	}
-
-	acpi_ds_clear_implicit_return(walk_state);
-
-#ifdef ACPI_DISASSEMBLER
-	if (ACPI_FAILURE(status)) {
-
-		/* Display method locals/args if disassembler is present */
-
-		acpi_dm_dump_method_info(status, walk_state, walk_state->op);
-	}
-#endif
-
-	return (status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_create_method_mutex
- *
- * PARAMETERS:  obj_desc            - The method object
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Create a mutex object for a serialized control method
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ds_create_method_mutex(union acpi_operand_object *method_desc)
-{
-	union acpi_operand_object *mutex_desc;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE(ds_create_method_mutex);
-
-	/* Create the new mutex object */
-
-	mutex_desc = acpi_ut_create_internal_object(ACPI_TYPE_MUTEX);
-	if (!mutex_desc) {
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	/* Create the actual OS Mutex */
-
-	status = acpi_os_create_mutex(&mutex_desc->mutex.os_mutex);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	mutex_desc->mutex.sync_level = method_desc->method.sync_level;
-	method_desc->method.mutex = mutex_desc;
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_begin_method_execution
- *
- * PARAMETERS:  method_node         - Node of the method
- *              obj_desc            - The method object
- *              walk_state          - current state, NULL if not yet executing
- *                                    a method.
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Prepare a method for execution.  Parses the method if necessary,
- *              increments the thread count, and waits at the method semaphore
- *              for clearance to execute.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
-			       union acpi_operand_object *obj_desc,
-			       struct acpi_walk_state *walk_state)
-{
-	acpi_status status = AE_OK;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_begin_method_execution, method_node);
-
-	if (!method_node) {
-		return_ACPI_STATUS(AE_NULL_ENTRY);
-	}
-
-	/* Prevent wraparound of thread count */
-
-	if (obj_desc->method.thread_count == ACPI_UINT8_MAX) {
-		ACPI_ERROR((AE_INFO,
-			    "Method reached maximum reentrancy limit (255)"));
-		return_ACPI_STATUS(AE_AML_METHOD_LIMIT);
-	}
-
-	/*
-	 * If this method is serialized, we need to acquire the method mutex.
-	 */
-	if (obj_desc->method.method_flags & AML_METHOD_SERIALIZED) {
-		/*
-		 * Create a mutex for the method if it is defined to be Serialized
-		 * and a mutex has not already been created. We defer the mutex creation
-		 * until a method is actually executed, to minimize the object count
-		 */
-		if (!obj_desc->method.mutex) {
-			status = acpi_ds_create_method_mutex(obj_desc);
-			if (ACPI_FAILURE(status)) {
-				return_ACPI_STATUS(status);
-			}
-		}
-
-		/*
-		 * The current_sync_level (per-thread) must be less than or equal to
-		 * the sync level of the method. This mechanism provides some
-		 * deadlock prevention
-		 *
-		 * Top-level method invocation has no walk state at this point
-		 */
-		if (walk_state &&
-		    (walk_state->thread->current_sync_level >
-		     obj_desc->method.mutex->mutex.sync_level)) {
-			ACPI_ERROR((AE_INFO,
-				    "Cannot acquire Mutex for method [%4.4s], current SyncLevel is too large (%d)",
-				    acpi_ut_get_node_name(method_node),
-				    walk_state->thread->current_sync_level));
-
-			return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
-		}
-
-		/*
-		 * Obtain the method mutex if necessary. Do not acquire mutex for a
-		 * recursive call.
-		 */
-		if (!walk_state ||
-		    !obj_desc->method.mutex->mutex.thread_id ||
-		    (walk_state->thread->thread_id !=
-		     obj_desc->method.mutex->mutex.thread_id)) {
-			/*
-			 * Acquire the method mutex. This releases the interpreter if we
-			 * block (and reacquires it before it returns)
-			 */
-			status =
-			    acpi_ex_system_wait_mutex(obj_desc->method.mutex->
-						      mutex.os_mutex,
-						      ACPI_WAIT_FOREVER);
-			if (ACPI_FAILURE(status)) {
-				return_ACPI_STATUS(status);
-			}
-
-			/* Update the mutex and walk info and save the original sync_level */
-
-			if (walk_state) {
-				obj_desc->method.mutex->mutex.
-				    original_sync_level =
-				    walk_state->thread->current_sync_level;
-
-				obj_desc->method.mutex->mutex.thread_id =
-				    walk_state->thread->thread_id;
-				walk_state->thread->current_sync_level =
-				    obj_desc->method.sync_level;
-			} else {
-				obj_desc->method.mutex->mutex.
-				    original_sync_level =
-				    obj_desc->method.mutex->mutex.sync_level;
-			}
-		}
-
-		/* Always increase acquisition depth */
-
-		obj_desc->method.mutex->mutex.acquisition_depth++;
-	}
-
-	/*
-	 * Allocate an Owner ID for this method, only if this is the first thread
-	 * to begin concurrent execution. We only need one owner_id, even if the
-	 * method is invoked recursively.
-	 */
-	if (!obj_desc->method.owner_id) {
-		status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id);
-		if (ACPI_FAILURE(status)) {
-			goto cleanup;
-		}
-	}
-
-	/*
-	 * Increment the method parse tree thread count since it has been
-	 * reentered one more time (even if it is the same thread)
-	 */
-	obj_desc->method.thread_count++;
-	return_ACPI_STATUS(status);
-
-      cleanup:
-	/* On error, must release the method mutex (if present) */
-
-	if (obj_desc->method.mutex) {
-		acpi_os_release_mutex(obj_desc->method.mutex->mutex.os_mutex);
-	}
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_call_control_method
- *
- * PARAMETERS:  Thread              - Info for this thread
- *              this_walk_state     - Current walk state
- *              Op                  - Current Op to be walked
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Transfer execution to a called control method
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_call_control_method(struct acpi_thread_state *thread,
-			    struct acpi_walk_state *this_walk_state,
-			    union acpi_parse_object *op)
-{
-	acpi_status status;
-	struct acpi_namespace_node *method_node;
-	struct acpi_walk_state *next_walk_state = NULL;
-	union acpi_operand_object *obj_desc;
-	struct acpi_evaluate_info *info;
-	u32 i;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_call_control_method, this_walk_state);
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "Calling method %p, currentstate=%p\n",
-			  this_walk_state->prev_op, this_walk_state));
-
-	/*
-	 * Get the namespace entry for the control method we are about to call
-	 */
-	method_node = this_walk_state->method_call_node;
-	if (!method_node) {
-		return_ACPI_STATUS(AE_NULL_ENTRY);
-	}
-
-	obj_desc = acpi_ns_get_attached_object(method_node);
-	if (!obj_desc) {
-		return_ACPI_STATUS(AE_NULL_OBJECT);
-	}
-
-	/* Init for new method, possibly wait on method mutex */
-
-	status = acpi_ds_begin_method_execution(method_node, obj_desc,
-						this_walk_state);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/* Begin method parse/execution. Create a new walk state */
-
-	next_walk_state = acpi_ds_create_walk_state(obj_desc->method.owner_id,
-						    NULL, obj_desc, thread);
-	if (!next_walk_state) {
-		status = AE_NO_MEMORY;
-		goto cleanup;
-	}
-
-	/*
-	 * The resolved arguments were put on the previous walk state's operand
-	 * stack. Operands on the previous walk state stack always
-	 * start at index 0. Also, null terminate the list of arguments
-	 */
-	this_walk_state->operands[this_walk_state->num_operands] = NULL;
-
-	/*
-	 * Allocate and initialize the evaluation information block
-	 * TBD: this is somewhat inefficient, should change interface to
-	 * ds_init_aml_walk. For now, keeps this struct off the CPU stack
-	 */
-	info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
-	if (!info) {
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	info->parameters = &this_walk_state->operands[0];
-
-	status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node,
-				       obj_desc->method.aml_start,
-				       obj_desc->method.aml_length, info,
-				       ACPI_IMODE_EXECUTE);
-
-	ACPI_FREE(info);
-	if (ACPI_FAILURE(status)) {
-		goto cleanup;
-	}
-
-	/*
-	 * Delete the operands on the previous walkstate operand stack
-	 * (they were copied to new objects)
-	 */
-	for (i = 0; i < obj_desc->method.param_count; i++) {
-		acpi_ut_remove_reference(this_walk_state->operands[i]);
-		this_walk_state->operands[i] = NULL;
-	}
-
-	/* Clear the operand stack */
-
-	this_walk_state->num_operands = 0;
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "**** Begin nested execution of [%4.4s] **** WalkState=%p\n",
-			  method_node->name.ascii, next_walk_state));
-
-	/* Invoke an internal method if necessary */
-
-	if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) {
-		status = obj_desc->method.implementation(next_walk_state);
-		if (status == AE_OK) {
-			status = AE_CTRL_TERMINATE;
-		}
-	}
-
-	return_ACPI_STATUS(status);
-
-      cleanup:
-
-	/* On error, we must terminate the method properly */
-
-	acpi_ds_terminate_control_method(obj_desc, next_walk_state);
-	if (next_walk_state) {
-		acpi_ds_delete_walk_state(next_walk_state);
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_restart_control_method
- *
- * PARAMETERS:  walk_state          - State for preempted method (caller)
- *              return_desc         - Return value from the called method
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Restart a method that was preempted by another (nested) method
- *              invocation.  Handle the return value (if any) from the callee.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
-			       union acpi_operand_object *return_desc)
-{
-	acpi_status status;
-	int same_as_implicit_return;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_restart_control_method, walk_state);
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "****Restart [%4.4s] Op %p ReturnValueFromCallee %p\n",
-			  acpi_ut_get_node_name(walk_state->method_node),
-			  walk_state->method_call_op, return_desc));
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "    ReturnFromThisMethodUsed?=%X ResStack %p Walk %p\n",
-			  walk_state->return_used,
-			  walk_state->results, walk_state));
-
-	/* Did the called method return a value? */
-
-	if (return_desc) {
-
-		/* Is the implicit return object the same as the return desc? */
-
-		same_as_implicit_return =
-		    (walk_state->implicit_return_obj == return_desc);
-
-		/* Are we actually going to use the return value? */
-
-		if (walk_state->return_used) {
-
-			/* Save the return value from the previous method */
-
-			status = acpi_ds_result_push(return_desc, walk_state);
-			if (ACPI_FAILURE(status)) {
-				acpi_ut_remove_reference(return_desc);
-				return_ACPI_STATUS(status);
-			}
-
-			/*
-			 * Save as THIS method's return value in case it is returned
-			 * immediately to yet another method
-			 */
-			walk_state->return_desc = return_desc;
-		}
-
-		/*
-		 * The following code is the optional support for the so-called
-		 * "implicit return". Some AML code assumes that the last value of the
-		 * method is "implicitly" returned to the caller, in the absence of an
-		 * explicit return value.
-		 *
-		 * Just save the last result of the method as the return value.
-		 *
-		 * NOTE: this is optional because the ASL language does not actually
-		 * support this behavior.
-		 */
-		else if (!acpi_ds_do_implicit_return
-			 (return_desc, walk_state, FALSE)
-			 || same_as_implicit_return) {
-			/*
-			 * Delete the return value if it will not be used by the
-			 * calling method or remove one reference if the explicit return
-			 * is the same as the implicit return value.
-			 */
-			acpi_ut_remove_reference(return_desc);
-		}
-	}
-
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_terminate_control_method
- *
- * PARAMETERS:  method_desc         - Method object
- *              walk_state          - State associated with the method
- *
- * RETURN:      None
- *
- * DESCRIPTION: Terminate a control method.  Delete everything that the method
- *              created, delete all locals and arguments, and delete the parse
- *              tree if requested.
- *
- * MUTEX:       Interpreter is locked
- *
- ******************************************************************************/
-
-void
-acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
-				 struct acpi_walk_state *walk_state)
-{
-
-	ACPI_FUNCTION_TRACE_PTR(ds_terminate_control_method, walk_state);
-
-	/* method_desc is required, walk_state is optional */
-
-	if (!method_desc) {
-		return_VOID;
-	}
-
-	if (walk_state) {
-
-		/* Delete all arguments and locals */
-
-		acpi_ds_method_data_delete_all(walk_state);
-
-		/*
-		 * If method is serialized, release the mutex and restore the
-		 * current sync level for this thread
-		 */
-		if (method_desc->method.mutex) {
-
-			/* Acquisition Depth handles recursive calls */
-
-			method_desc->method.mutex->mutex.acquisition_depth--;
-			if (!method_desc->method.mutex->mutex.acquisition_depth) {
-				walk_state->thread->current_sync_level =
-				    method_desc->method.mutex->mutex.
-				    original_sync_level;
-
-				acpi_os_release_mutex(method_desc->method.
-						      mutex->mutex.os_mutex);
-				method_desc->method.mutex->mutex.thread_id = NULL;
-			}
-		}
-
-		/*
-		 * Delete any namespace objects created anywhere within
-		 * the namespace by the execution of this method
-		 */
-		acpi_ns_delete_namespace_by_owner(method_desc->method.owner_id);
-	}
-
-	/* Decrement the thread count on the method */
-
-	if (method_desc->method.thread_count) {
-		method_desc->method.thread_count--;
-	} else {
-		ACPI_ERROR((AE_INFO, "Invalid zero thread count in method"));
-	}
-
-	/* Are there any other threads currently executing this method? */
-
-	if (method_desc->method.thread_count) {
-		/*
-		 * Additional threads. Do not release the owner_id in this case,
-		 * we immediately reuse it for the next thread executing this method
-		 */
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "*** Completed execution of one thread, %d threads remaining\n",
-				  method_desc->method.thread_count));
-	} else {
-		/* This is the only executing thread for this method */
-
-		/*
-		 * Support to dynamically change a method from not_serialized to
-		 * Serialized if it appears that the method is incorrectly written and
-		 * does not support multiple thread execution. The best example of this
-		 * is if such a method creates namespace objects and blocks. A second
-		 * thread will fail with an AE_ALREADY_EXISTS exception
-		 *
-		 * This code is here because we must wait until the last thread exits
-		 * before creating the synchronization semaphore.
-		 */
-		if ((method_desc->method.method_flags & AML_METHOD_SERIALIZED)
-		    && (!method_desc->method.mutex)) {
-			(void)acpi_ds_create_method_mutex(method_desc);
-		}
-
-		/* No more threads, we can free the owner_id */
-
-		acpi_ut_release_owner_id(&method_desc->method.owner_id);
-	}
-
-	return_VOID;
-}
diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c
deleted file mode 100644
index a1a11996a651..000000000000
--- a/drivers/acpi/dispatcher/dsmthdat.c
+++ /dev/null
@@ -1,718 +0,0 @@
-/*******************************************************************************
- *
- * Module Name: dsmthdat - control method arguments and local variables
- *
- ******************************************************************************/
-
-/*
- * 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/acdispat.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acinterp.h>
-
-#define _COMPONENT          ACPI_DISPATCHER
-ACPI_MODULE_NAME("dsmthdat")
-
-/* Local prototypes */
-static void
-acpi_ds_method_data_delete_value(u8 type,
-				 u32 index, struct acpi_walk_state *walk_state);
-
-static acpi_status
-acpi_ds_method_data_set_value(u8 type,
-			      u32 index,
-			      union acpi_operand_object *object,
-			      struct acpi_walk_state *walk_state);
-
-#ifdef ACPI_OBSOLETE_FUNCTIONS
-acpi_object_type
-acpi_ds_method_data_get_type(u16 opcode,
-			     u32 index, struct acpi_walk_state *walk_state);
-#endif
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_method_data_init
- *
- * PARAMETERS:  walk_state          - Current walk state object
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Initialize the data structures that hold the method's arguments
- *              and locals.  The data struct is an array of namespace nodes for
- *              each - this allows ref_of and de_ref_of to work properly for these
- *              special data types.
- *
- * NOTES:       walk_state fields are initialized to zero by the
- *              ACPI_ALLOCATE_ZEROED().
- *
- *              A pseudo-Namespace Node is assigned to each argument and local
- *              so that ref_of() can return a pointer to the Node.
- *
- ******************************************************************************/
-
-void acpi_ds_method_data_init(struct acpi_walk_state *walk_state)
-{
-	u32 i;
-
-	ACPI_FUNCTION_TRACE(ds_method_data_init);
-
-	/* Init the method arguments */
-
-	for (i = 0; i < ACPI_METHOD_NUM_ARGS; i++) {
-		ACPI_MOVE_32_TO_32(&walk_state->arguments[i].name,
-				   NAMEOF_ARG_NTE);
-		walk_state->arguments[i].name.integer |= (i << 24);
-		walk_state->arguments[i].descriptor_type = ACPI_DESC_TYPE_NAMED;
-		walk_state->arguments[i].type = ACPI_TYPE_ANY;
-		walk_state->arguments[i].flags =
-		    ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG;
-	}
-
-	/* Init the method locals */
-
-	for (i = 0; i < ACPI_METHOD_NUM_LOCALS; i++) {
-		ACPI_MOVE_32_TO_32(&walk_state->local_variables[i].name,
-				   NAMEOF_LOCAL_NTE);
-
-		walk_state->local_variables[i].name.integer |= (i << 24);
-		walk_state->local_variables[i].descriptor_type =
-		    ACPI_DESC_TYPE_NAMED;
-		walk_state->local_variables[i].type = ACPI_TYPE_ANY;
-		walk_state->local_variables[i].flags =
-		    ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL;
-	}
-
-	return_VOID;
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_method_data_delete_all
- *
- * PARAMETERS:  walk_state          - Current walk state object
- *
- * RETURN:      None
- *
- * DESCRIPTION: Delete method locals and arguments.  Arguments are only
- *              deleted if this method was called from another method.
- *
- ******************************************************************************/
-
-void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state)
-{
-	u32 index;
-
-	ACPI_FUNCTION_TRACE(ds_method_data_delete_all);
-
-	/* Detach the locals */
-
-	for (index = 0; index < ACPI_METHOD_NUM_LOCALS; index++) {
-		if (walk_state->local_variables[index].object) {
-			ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Local%d=%p\n",
-					  index,
-					  walk_state->local_variables[index].
-					  object));
-
-			/* Detach object (if present) and remove a reference */
-
-			acpi_ns_detach_object(&walk_state->
-					      local_variables[index]);
-		}
-	}
-
-	/* Detach the arguments */
-
-	for (index = 0; index < ACPI_METHOD_NUM_ARGS; index++) {
-		if (walk_state->arguments[index].object) {
-			ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Arg%d=%p\n",
-					  index,
-					  walk_state->arguments[index].object));
-
-			/* Detach object (if present) and remove a reference */
-
-			acpi_ns_detach_object(&walk_state->arguments[index]);
-		}
-	}
-
-	return_VOID;
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_method_data_init_args
- *
- * PARAMETERS:  *Params         - Pointer to a parameter list for the method
- *              max_param_count - The arg count for this method
- *              walk_state      - Current walk state object
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Initialize arguments for a method.  The parameter list is a list
- *              of ACPI operand objects, either null terminated or whose length
- *              is defined by max_param_count.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_method_data_init_args(union acpi_operand_object **params,
-			      u32 max_param_count,
-			      struct acpi_walk_state *walk_state)
-{
-	acpi_status status;
-	u32 index = 0;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_method_data_init_args, params);
-
-	if (!params) {
-		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-				  "No param list passed to method\n"));
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	/* Copy passed parameters into the new method stack frame */
-
-	while ((index < ACPI_METHOD_NUM_ARGS) &&
-	       (index < max_param_count) && params[index]) {
-		/*
-		 * A valid parameter.
-		 * Store the argument in the method/walk descriptor.
-		 * Do not copy the arg in order to implement call by reference
-		 */
-		status = acpi_ds_method_data_set_value(ACPI_REFCLASS_ARG, index,
-						       params[index],
-						       walk_state);
-		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
-		}
-
-		index++;
-	}
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%d args passed to method\n", index));
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_method_data_get_node
- *
- * PARAMETERS:  Type                - Either ACPI_REFCLASS_LOCAL or
- *                                    ACPI_REFCLASS_ARG
- *              Index               - Which Local or Arg whose type to get
- *              walk_state          - Current walk state object
- *              Node                - Where the node is returned.
- *
- * RETURN:      Status and node
- *
- * DESCRIPTION: Get the Node associated with a local or arg.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_method_data_get_node(u8 type,
-			     u32 index,
-			     struct acpi_walk_state *walk_state,
-			     struct acpi_namespace_node **node)
-{
-	ACPI_FUNCTION_TRACE(ds_method_data_get_node);
-
-	/*
-	 * Method Locals and Arguments are supported
-	 */
-	switch (type) {
-	case ACPI_REFCLASS_LOCAL:
-
-		if (index > ACPI_METHOD_MAX_LOCAL) {
-			ACPI_ERROR((AE_INFO,
-				    "Local index %d is invalid (max %d)",
-				    index, ACPI_METHOD_MAX_LOCAL));
-			return_ACPI_STATUS(AE_AML_INVALID_INDEX);
-		}
-
-		/* Return a pointer to the pseudo-node */
-
-		*node = &walk_state->local_variables[index];
-		break;
-
-	case ACPI_REFCLASS_ARG:
-
-		if (index > ACPI_METHOD_MAX_ARG) {
-			ACPI_ERROR((AE_INFO,
-				    "Arg index %d is invalid (max %d)",
-				    index, ACPI_METHOD_MAX_ARG));
-			return_ACPI_STATUS(AE_AML_INVALID_INDEX);
-		}
-
-		/* Return a pointer to the pseudo-node */
-
-		*node = &walk_state->arguments[index];
-		break;
-
-	default:
-		ACPI_ERROR((AE_INFO, "Type %d is invalid", type));
-		return_ACPI_STATUS(AE_TYPE);
-	}
-
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_method_data_set_value
- *
- * PARAMETERS:  Type                - Either ACPI_REFCLASS_LOCAL or
- *                                    ACPI_REFCLASS_ARG
- *              Index               - Which Local or Arg to get
- *              Object              - Object to be inserted into the stack entry
- *              walk_state          - Current walk state object
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Insert an object onto the method stack at entry Opcode:Index.
- *              Note: There is no "implicit conversion" for locals.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ds_method_data_set_value(u8 type,
-			      u32 index,
-			      union acpi_operand_object *object,
-			      struct acpi_walk_state *walk_state)
-{
-	acpi_status status;
-	struct acpi_namespace_node *node;
-
-	ACPI_FUNCTION_TRACE(ds_method_data_set_value);
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-			  "NewObj %p Type %2.2X, Refs=%d [%s]\n", object,
-			  type, object->common.reference_count,
-			  acpi_ut_get_type_name(object->common.type)));
-
-	/* Get the namespace node for the arg/local */
-
-	status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/*
-	 * Increment ref count so object can't be deleted while installed.
-	 * NOTE: We do not copy the object in order to preserve the call by
-	 * reference semantics of ACPI Control Method invocation.
-	 * (See ACPI Specification 2.0_c)
-	 */
-	acpi_ut_add_reference(object);
-
-	/* Install the object */
-
-	node->object = object;
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_method_data_get_value
- *
- * PARAMETERS:  Type                - Either ACPI_REFCLASS_LOCAL or
- *                                    ACPI_REFCLASS_ARG
- *              Index               - Which local_var or argument to get
- *              walk_state          - Current walk state object
- *              dest_desc           - Where Arg or Local value is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Retrieve value of selected Arg or Local for this method
- *              Used only in acpi_ex_resolve_to_value().
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_method_data_get_value(u8 type,
-			      u32 index,
-			      struct acpi_walk_state *walk_state,
-			      union acpi_operand_object **dest_desc)
-{
-	acpi_status status;
-	struct acpi_namespace_node *node;
-	union acpi_operand_object *object;
-
-	ACPI_FUNCTION_TRACE(ds_method_data_get_value);
-
-	/* Validate the object descriptor */
-
-	if (!dest_desc) {
-		ACPI_ERROR((AE_INFO, "Null object descriptor pointer"));
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	/* Get the namespace node for the arg/local */
-
-	status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/* Get the object from the node */
-
-	object = node->object;
-
-	/* Examine the returned object, it must be valid. */
-
-	if (!object) {
-		/*
-		 * Index points to uninitialized object.
-		 * This means that either 1) The expected argument was
-		 * not passed to the method, or 2) A local variable
-		 * was referenced by the method (via the ASL)
-		 * before it was initialized.  Either case is an error.
-		 */
-
-		/* If slack enabled, init the local_x/arg_x to an Integer of value zero */
-
-		if (acpi_gbl_enable_interpreter_slack) {
-			object =
-			    acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
-			if (!object) {
-				return_ACPI_STATUS(AE_NO_MEMORY);
-			}
-
-			object->integer.value = 0;
-			node->object = object;
-		}
-
-		/* Otherwise, return the error */
-
-		else
-			switch (type) {
-			case ACPI_REFCLASS_ARG:
-
-				ACPI_ERROR((AE_INFO,
-					    "Uninitialized Arg[%d] at node %p",
-					    index, node));
-
-				return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
-
-			case ACPI_REFCLASS_LOCAL:
-
-				ACPI_ERROR((AE_INFO,
-					    "Uninitialized Local[%d] at node %p",
-					    index, node));
-
-				return_ACPI_STATUS(AE_AML_UNINITIALIZED_LOCAL);
-
-			default:
-
-				ACPI_ERROR((AE_INFO,
-					    "Not a Arg/Local opcode: %X",
-					    type));
-				return_ACPI_STATUS(AE_AML_INTERNAL);
-			}
-	}
-
-	/*
-	 * The Index points to an initialized and valid object.
-	 * Return an additional reference to the object
-	 */
-	*dest_desc = object;
-	acpi_ut_add_reference(object);
-
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_method_data_delete_value
- *
- * PARAMETERS:  Type                - Either ACPI_REFCLASS_LOCAL or
- *                                    ACPI_REFCLASS_ARG
- *              Index               - Which local_var or argument to delete
- *              walk_state          - Current walk state object
- *
- * RETURN:      None
- *
- * DESCRIPTION: Delete the entry at Opcode:Index.  Inserts
- *              a null into the stack slot after the object is deleted.
- *
- ******************************************************************************/
-
-static void
-acpi_ds_method_data_delete_value(u8 type,
-				 u32 index, struct acpi_walk_state *walk_state)
-{
-	acpi_status status;
-	struct acpi_namespace_node *node;
-	union acpi_operand_object *object;
-
-	ACPI_FUNCTION_TRACE(ds_method_data_delete_value);
-
-	/* Get the namespace node for the arg/local */
-
-	status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
-	if (ACPI_FAILURE(status)) {
-		return_VOID;
-	}
-
-	/* Get the associated object */
-
-	object = acpi_ns_get_attached_object(node);
-
-	/*
-	 * Undefine the Arg or Local by setting its descriptor
-	 * pointer to NULL. Locals/Args can contain both
-	 * ACPI_OPERAND_OBJECTS and ACPI_NAMESPACE_NODEs
-	 */
-	node->object = NULL;
-
-	if ((object) &&
-	    (ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_OPERAND)) {
-		/*
-		 * There is a valid object.
-		 * Decrement the reference count by one to balance the
-		 * increment when the object was stored.
-		 */
-		acpi_ut_remove_reference(object);
-	}
-
-	return_VOID;
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_store_object_to_local
- *
- * PARAMETERS:  Type                - Either ACPI_REFCLASS_LOCAL or
- *                                    ACPI_REFCLASS_ARG
- *              Index               - Which Local or Arg to set
- *              obj_desc            - Value to be stored
- *              walk_state          - Current walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Store a value in an Arg or Local.  The obj_desc is installed
- *              as the new value for the Arg or Local and the reference count
- *              for obj_desc is incremented.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_store_object_to_local(u8 type,
-			      u32 index,
-			      union acpi_operand_object *obj_desc,
-			      struct acpi_walk_state *walk_state)
-{
-	acpi_status status;
-	struct acpi_namespace_node *node;
-	union acpi_operand_object *current_obj_desc;
-	union acpi_operand_object *new_obj_desc;
-
-	ACPI_FUNCTION_TRACE(ds_store_object_to_local);
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Type=%2.2X Index=%d Obj=%p\n",
-			  type, index, obj_desc));
-
-	/* Parameter validation */
-
-	if (!obj_desc) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	/* Get the namespace node for the arg/local */
-
-	status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	current_obj_desc = acpi_ns_get_attached_object(node);
-	if (current_obj_desc == obj_desc) {
-		ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Obj=%p already installed!\n",
-				  obj_desc));
-		return_ACPI_STATUS(status);
-	}
-
-	/*
-	 * If the reference count on the object is more than one, we must
-	 * take a copy of the object before we store.  A reference count
-	 * of exactly 1 means that the object was just created during the
-	 * evaluation of an expression, and we can safely use it since it
-	 * is not used anywhere else.
-	 */
-	new_obj_desc = obj_desc;
-	if (obj_desc->common.reference_count > 1) {
-		status =
-		    acpi_ut_copy_iobject_to_iobject(obj_desc, &new_obj_desc,
-						    walk_state);
-		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
-		}
-	}
-
-	/*
-	 * If there is an object already in this slot, we either
-	 * have to delete it, or if this is an argument and there
-	 * is an object reference stored there, we have to do
-	 * an indirect store!
-	 */
-	if (current_obj_desc) {
-		/*
-		 * Check for an indirect store if an argument
-		 * contains an object reference (stored as an Node).
-		 * We don't allow this automatic dereferencing for
-		 * locals, since a store to a local should overwrite
-		 * anything there, including an object reference.
-		 *
-		 * If both Arg0 and Local0 contain ref_of (Local4):
-		 *
-		 * Store (1, Arg0)             - Causes indirect store to local4
-		 * Store (1, Local0)           - Stores 1 in local0, overwriting
-		 *                                  the reference to local4
-		 * Store (1, de_refof (Local0)) - Causes indirect store to local4
-		 *
-		 * Weird, but true.
-		 */
-		if (type == ACPI_REFCLASS_ARG) {
-			/*
-			 * If we have a valid reference object that came from ref_of(),
-			 * do the indirect store
-			 */
-			if ((ACPI_GET_DESCRIPTOR_TYPE(current_obj_desc) ==
-			     ACPI_DESC_TYPE_OPERAND)
-			    && (current_obj_desc->common.type ==
-				ACPI_TYPE_LOCAL_REFERENCE)
-			    && (current_obj_desc->reference.class ==
-				ACPI_REFCLASS_REFOF)) {
-				ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-						  "Arg (%p) is an ObjRef(Node), storing in node %p\n",
-						  new_obj_desc,
-						  current_obj_desc));
-
-				/*
-				 * Store this object to the Node (perform the indirect store)
-				 * NOTE: No implicit conversion is performed, as per the ACPI
-				 * specification rules on storing to Locals/Args.
-				 */
-				status =
-				    acpi_ex_store_object_to_node(new_obj_desc,
-								 current_obj_desc->
-								 reference.
-								 object,
-								 walk_state,
-								 ACPI_NO_IMPLICIT_CONVERSION);
-
-				/* Remove local reference if we copied the object above */
-
-				if (new_obj_desc != obj_desc) {
-					acpi_ut_remove_reference(new_obj_desc);
-				}
-				return_ACPI_STATUS(status);
-			}
-		}
-
-		/* Delete the existing object before storing the new one */
-
-		acpi_ds_method_data_delete_value(type, index, walk_state);
-	}
-
-	/*
-	 * Install the Obj descriptor (*new_obj_desc) into
-	 * the descriptor for the Arg or Local.
-	 * (increments the object reference count by one)
-	 */
-	status =
-	    acpi_ds_method_data_set_value(type, index, new_obj_desc,
-					  walk_state);
-
-	/* Remove local reference if we copied the object above */
-
-	if (new_obj_desc != obj_desc) {
-		acpi_ut_remove_reference(new_obj_desc);
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-#ifdef ACPI_OBSOLETE_FUNCTIONS
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_method_data_get_type
- *
- * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
- *              Index               - Which Local or Arg whose type to get
- *              walk_state          - Current walk state object
- *
- * RETURN:      Data type of current value of the selected Arg or Local
- *
- * DESCRIPTION: Get the type of the object stored in the Local or Arg
- *
- ******************************************************************************/
-
-acpi_object_type
-acpi_ds_method_data_get_type(u16 opcode,
-			     u32 index, struct acpi_walk_state *walk_state)
-{
-	acpi_status status;
-	struct acpi_namespace_node *node;
-	union acpi_operand_object *object;
-
-	ACPI_FUNCTION_TRACE(ds_method_data_get_type);
-
-	/* Get the namespace node for the arg/local */
-
-	status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node);
-	if (ACPI_FAILURE(status)) {
-		return_VALUE((ACPI_TYPE_NOT_FOUND));
-	}
-
-	/* Get the object */
-
-	object = acpi_ns_get_attached_object(node);
-	if (!object) {
-
-		/* Uninitialized local/arg, return TYPE_ANY */
-
-		return_VALUE(ACPI_TYPE_ANY);
-	}
-
-	/* Get the object type */
-
-	return_VALUE(ACPI_GET_OBJECT_TYPE(object));
-}
-#endif
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
deleted file mode 100644
index 6e6c73cc39ff..000000000000
--- a/drivers/acpi/dispatcher/dsobject.c
+++ /dev/null
@@ -1,813 +0,0 @@
-/******************************************************************************
- *
- * Module Name: dsobject - Dispatcher object management routines
- *
- *****************************************************************************/
-
-/*
- * 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/acparser.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acinterp.h>
-
-#define _COMPONENT          ACPI_DISPATCHER
-ACPI_MODULE_NAME("dsobject")
-
-/* Local prototypes */
-static acpi_status
-acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
-			      union acpi_parse_object *op,
-			      union acpi_operand_object **obj_desc_ptr);
-
-#ifndef ACPI_NO_METHOD_EXECUTION
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_build_internal_object
- *
- * PARAMETERS:  walk_state      - Current walk state
- *              Op              - Parser object to be translated
- *              obj_desc_ptr    - Where the ACPI internal object is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Translate a parser Op object to the equivalent namespace object
- *              Simple objects are any objects other than a package object!
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
-			      union acpi_parse_object *op,
-			      union acpi_operand_object **obj_desc_ptr)
-{
-	union acpi_operand_object *obj_desc;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE(ds_build_internal_object);
-
-	*obj_desc_ptr = NULL;
-	if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) {
-		/*
-		 * This is a named object reference. If this name was
-		 * previously looked up in the namespace, it was stored in this op.
-		 * Otherwise, go ahead and look it up now
-		 */
-		if (!op->common.node) {
-			status = acpi_ns_lookup(walk_state->scope_info,
-						op->common.value.string,
-						ACPI_TYPE_ANY,
-						ACPI_IMODE_EXECUTE,
-						ACPI_NS_SEARCH_PARENT |
-						ACPI_NS_DONT_OPEN_SCOPE, NULL,
-						ACPI_CAST_INDIRECT_PTR(struct
-								       acpi_namespace_node,
-								       &(op->
-									 common.
-									 node)));
-			if (ACPI_FAILURE(status)) {
-
-				/* Check if we are resolving a named reference within a package */
-
-				if ((status == AE_NOT_FOUND)
-				    && (acpi_gbl_enable_interpreter_slack)
-				    &&
-				    ((op->common.parent->common.aml_opcode ==
-				      AML_PACKAGE_OP)
-				     || (op->common.parent->common.aml_opcode ==
-					 AML_VAR_PACKAGE_OP))) {
-					/*
-					 * We didn't find the target and we are populating elements
-					 * of a package - ignore if slack enabled. Some ASL code
-					 * contains dangling invalid references in packages and
-					 * expects that no exception will be issued. Leave the
-					 * element as a null element. It cannot be used, but it
-					 * can be overwritten by subsequent ASL code - this is
-					 * typically the case.
-					 */
-					ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-							  "Ignoring unresolved reference in package [%4.4s]\n",
-							  walk_state->
-							  scope_info->scope.
-							  node->name.ascii));
-
-					return_ACPI_STATUS(AE_OK);
-				} else {
-					ACPI_ERROR_NAMESPACE(op->common.value.
-							     string, status);
-				}
-
-				return_ACPI_STATUS(status);
-			}
-		}
-
-		/* Special object resolution for elements of a package */
-
-		if ((op->common.parent->common.aml_opcode == AML_PACKAGE_OP) ||
-		    (op->common.parent->common.aml_opcode ==
-		     AML_VAR_PACKAGE_OP)) {
-			/*
-			 * Attempt to resolve the node to a value before we insert it into
-			 * the package. If this is a reference to a common data type,
-			 * resolve it immediately. According to the ACPI spec, package
-			 * elements can only be "data objects" or method references.
-			 * Attempt to resolve to an Integer, Buffer, String or Package.
-			 * If cannot, return the named reference (for things like Devices,
-			 * Methods, etc.) Buffer Fields and Fields will resolve to simple
-			 * objects (int/buf/str/pkg).
-			 *
-			 * NOTE: References to things like Devices, Methods, Mutexes, etc.
-			 * will remain as named references. This behavior is not described
-			 * in the ACPI spec, but it appears to be an oversight.
-			 */
-			obj_desc =
-			    ACPI_CAST_PTR(union acpi_operand_object,
-					  op->common.node);
-
-			status =
-			    acpi_ex_resolve_node_to_value(ACPI_CAST_INDIRECT_PTR
-							  (struct
-							   acpi_namespace_node,
-							   &obj_desc),
-							  walk_state);
-			if (ACPI_FAILURE(status)) {
-				return_ACPI_STATUS(status);
-			}
-
-			switch (op->common.node->type) {
-				/*
-				 * For these types, we need the actual node, not the subobject.
-				 * However, the subobject did not get an extra reference count above.
-				 *
-				 * TBD: should ex_resolve_node_to_value be changed to fix this?
-				 */
-			case ACPI_TYPE_DEVICE:
-			case ACPI_TYPE_THERMAL:
-
-				acpi_ut_add_reference(op->common.node->object);
-
-				/*lint -fallthrough */
-				/*
-				 * For these types, we need the actual node, not the subobject.
-				 * The subobject got an extra reference count in ex_resolve_node_to_value.
-				 */
-			case ACPI_TYPE_MUTEX:
-			case ACPI_TYPE_METHOD:
-			case ACPI_TYPE_POWER:
-			case ACPI_TYPE_PROCESSOR:
-			case ACPI_TYPE_EVENT:
-			case ACPI_TYPE_REGION:
-
-				/* We will create a reference object for these types below */
-				break;
-
-			default:
-				/*
-				 * All other types - the node was resolved to an actual
-				 * object, we are done.
-				 */
-				goto exit;
-			}
-		}
-	}
-
-	/* Create and init a new internal ACPI object */
-
-	obj_desc = acpi_ut_create_internal_object((acpi_ps_get_opcode_info
-						   (op->common.aml_opcode))->
-						  object_type);
-	if (!obj_desc) {
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	status =
-	    acpi_ds_init_object_from_op(walk_state, op, op->common.aml_opcode,
-					&obj_desc);
-	if (ACPI_FAILURE(status)) {
-		acpi_ut_remove_reference(obj_desc);
-		return_ACPI_STATUS(status);
-	}
-
-      exit:
-	*obj_desc_ptr = obj_desc;
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_build_internal_buffer_obj
- *
- * PARAMETERS:  walk_state      - Current walk state
- *              Op              - Parser object to be translated
- *              buffer_length   - Length of the buffer
- *              obj_desc_ptr    - Where the ACPI internal object is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Translate a parser Op package object to the equivalent
- *              namespace object
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
-				  union acpi_parse_object *op,
-				  u32 buffer_length,
-				  union acpi_operand_object **obj_desc_ptr)
-{
-	union acpi_parse_object *arg;
-	union acpi_operand_object *obj_desc;
-	union acpi_parse_object *byte_list;
-	u32 byte_list_length = 0;
-
-	ACPI_FUNCTION_TRACE(ds_build_internal_buffer_obj);
-
-	/*
-	 * If we are evaluating a Named buffer object "Name (xxxx, Buffer)".
-	 * The buffer object already exists (from the NS node), otherwise it must
-	 * be created.
-	 */
-	obj_desc = *obj_desc_ptr;
-	if (!obj_desc) {
-
-		/* Create a new buffer object */
-
-		obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER);
-		*obj_desc_ptr = obj_desc;
-		if (!obj_desc) {
-			return_ACPI_STATUS(AE_NO_MEMORY);
-		}
-	}
-
-	/*
-	 * Second arg is the buffer data (optional) byte_list can be either
-	 * individual bytes or a string initializer.  In either case, a
-	 * byte_list appears in the AML.
-	 */
-	arg = op->common.value.arg;	/* skip first arg */
-
-	byte_list = arg->named.next;
-	if (byte_list) {
-		if (byte_list->common.aml_opcode != AML_INT_BYTELIST_OP) {
-			ACPI_ERROR((AE_INFO,
-				    "Expecting bytelist, got AML opcode %X in op %p",
-				    byte_list->common.aml_opcode, byte_list));
-
-			acpi_ut_remove_reference(obj_desc);
-			return (AE_TYPE);
-		}
-
-		byte_list_length = (u32) byte_list->common.value.integer;
-	}
-
-	/*
-	 * The buffer length (number of bytes) will be the larger of:
-	 * 1) The specified buffer length and
-	 * 2) The length of the initializer byte list
-	 */
-	obj_desc->buffer.length = buffer_length;
-	if (byte_list_length > buffer_length) {
-		obj_desc->buffer.length = byte_list_length;
-	}
-
-	/* Allocate the buffer */
-
-	if (obj_desc->buffer.length == 0) {
-		obj_desc->buffer.pointer = NULL;
-		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-				  "Buffer defined with zero length in AML, creating\n"));
-	} else {
-		obj_desc->buffer.pointer =
-		    ACPI_ALLOCATE_ZEROED(obj_desc->buffer.length);
-		if (!obj_desc->buffer.pointer) {
-			acpi_ut_delete_object_desc(obj_desc);
-			return_ACPI_STATUS(AE_NO_MEMORY);
-		}
-
-		/* Initialize buffer from the byte_list (if present) */
-
-		if (byte_list) {
-			ACPI_MEMCPY(obj_desc->buffer.pointer,
-				    byte_list->named.data, byte_list_length);
-		}
-	}
-
-	obj_desc->buffer.flags |= AOPOBJ_DATA_VALID;
-	op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc);
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_build_internal_package_obj
- *
- * PARAMETERS:  walk_state      - Current walk state
- *              Op              - Parser object to be translated
- *              element_count   - Number of elements in the package - this is
- *                                the num_elements argument to Package()
- *              obj_desc_ptr    - Where the ACPI internal object is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Translate a parser Op package object to the equivalent
- *              namespace object
- *
- * NOTE: The number of elements in the package will be always be the num_elements
- * count, regardless of the number of elements in the package list. If
- * num_elements is smaller, only that many package list elements are used.
- * if num_elements is larger, the Package object is padded out with
- * objects of type Uninitialized (as per ACPI spec.)
- *
- * Even though the ASL compilers do not allow num_elements to be smaller
- * than the Package list length (for the fixed length package opcode), some
- * BIOS code modifies the AML on the fly to adjust the num_elements, and
- * this code compensates for that. This also provides compatibility with
- * other AML interpreters.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
-				   union acpi_parse_object *op,
-				   u32 element_count,
-				   union acpi_operand_object **obj_desc_ptr)
-{
-	union acpi_parse_object *arg;
-	union acpi_parse_object *parent;
-	union acpi_operand_object *obj_desc = NULL;
-	acpi_status status = AE_OK;
-	unsigned i;
-	u16 index;
-	u16 reference_count;
-
-	ACPI_FUNCTION_TRACE(ds_build_internal_package_obj);
-
-	/* Find the parent of a possibly nested package */
-
-	parent = op->common.parent;
-	while ((parent->common.aml_opcode == AML_PACKAGE_OP) ||
-	       (parent->common.aml_opcode == AML_VAR_PACKAGE_OP)) {
-		parent = parent->common.parent;
-	}
-
-	/*
-	 * If we are evaluating a Named package object "Name (xxxx, Package)",
-	 * the package object already exists, otherwise it must be created.
-	 */
-	obj_desc = *obj_desc_ptr;
-	if (!obj_desc) {
-		obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_PACKAGE);
-		*obj_desc_ptr = obj_desc;
-		if (!obj_desc) {
-			return_ACPI_STATUS(AE_NO_MEMORY);
-		}
-
-		obj_desc->package.node = parent->common.node;
-	}
-
-	/*
-	 * Allocate the element array (array of pointers to the individual
-	 * objects) based on the num_elements parameter. Add an extra pointer slot
-	 * so that the list is always null terminated.
-	 */
-	obj_desc->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size)
-							   element_count +
-							   1) * sizeof(void *));
-
-	if (!obj_desc->package.elements) {
-		acpi_ut_delete_object_desc(obj_desc);
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	obj_desc->package.count = element_count;
-
-	/*
-	 * Initialize the elements of the package, up to the num_elements count.
-	 * Package is automatically padded with uninitialized (NULL) elements
-	 * if num_elements is greater than the package list length. Likewise,
-	 * Package is truncated if num_elements is less than the list length.
-	 */
-	arg = op->common.value.arg;
-	arg = arg->common.next;
-	for (i = 0; arg && (i < element_count); i++) {
-		if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
-			if (arg->common.node->type == ACPI_TYPE_METHOD) {
-				/*
-				 * A method reference "looks" to the parser to be a method
-				 * invocation, so we special case it here
-				 */
-				arg->common.aml_opcode = AML_INT_NAMEPATH_OP;
-				status =
-				    acpi_ds_build_internal_object(walk_state,
-								  arg,
-								  &obj_desc->
-								  package.
-								  elements[i]);
-			} else {
-				/* This package element is already built, just get it */
-
-				obj_desc->package.elements[i] =
-				    ACPI_CAST_PTR(union acpi_operand_object,
-						  arg->common.node);
-			}
-		} else {
-			status = acpi_ds_build_internal_object(walk_state, arg,
-							       &obj_desc->
-							       package.
-							       elements[i]);
-		}
-
-		if (*obj_desc_ptr) {
-
-			/* Existing package, get existing reference count */
-
-			reference_count =
-			    (*obj_desc_ptr)->common.reference_count;
-			if (reference_count > 1) {
-
-				/* Make new element ref count match original ref count */
-
-				for (index = 0; index < (reference_count - 1);
-				     index++) {
-					acpi_ut_add_reference((obj_desc->
-							       package.
-							       elements[i]));
-				}
-			}
-		}
-
-		arg = arg->common.next;
-	}
-
-	/* Check for match between num_elements and actual length of package_list */
-
-	if (arg) {
-		/*
-		 * num_elements was exhausted, but there are remaining elements in the
-		 * package_list.
-		 *
-		 * Note: technically, this is an error, from ACPI spec: "It is an error
-		 * for NumElements to be less than the number of elements in the
-		 * PackageList". However, for now, we just print an error message and
-		 * no exception is returned.
-		 */
-		while (arg) {
-
-			/* Find out how many elements there really are */
-
-			i++;
-			arg = arg->common.next;
-		}
-
-		ACPI_WARNING((AE_INFO,
-			    "Package List length (%X) larger than NumElements count (%X), truncated\n",
-			    i, element_count));
-	} else if (i < element_count) {
-		/*
-		 * Arg list (elements) was exhausted, but we did not reach num_elements count.
-		 * Note: this is not an error, the package is padded out with NULLs.
-		 */
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "Package List length (%X) smaller than NumElements count (%X), padded with null elements\n",
-				  i, element_count));
-	}
-
-	obj_desc->package.flags |= AOPOBJ_DATA_VALID;
-	op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc);
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_create_node
- *
- * PARAMETERS:  walk_state      - Current walk state
- *              Node            - NS Node to be initialized
- *              Op              - Parser object to be translated
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Create the object to be associated with a namespace node
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_create_node(struct acpi_walk_state *walk_state,
-		    struct acpi_namespace_node *node,
-		    union acpi_parse_object *op)
-{
-	acpi_status status;
-	union acpi_operand_object *obj_desc;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_create_node, op);
-
-	/*
-	 * Because of the execution pass through the non-control-method
-	 * parts of the table, we can arrive here twice.  Only init
-	 * the named object node the first time through
-	 */
-	if (acpi_ns_get_attached_object(node)) {
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	if (!op->common.value.arg) {
-
-		/* No arguments, there is nothing to do */
-
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	/* Build an internal object for the argument(s) */
-
-	status = acpi_ds_build_internal_object(walk_state, op->common.value.arg,
-					       &obj_desc);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/* Re-type the object according to its argument */
-
-	node->type = ACPI_GET_OBJECT_TYPE(obj_desc);
-
-	/* Attach obj to node */
-
-	status = acpi_ns_attach_object(node, obj_desc, node->type);
-
-	/* Remove local reference to the object */
-
-	acpi_ut_remove_reference(obj_desc);
-	return_ACPI_STATUS(status);
-}
-
-#endif				/* ACPI_NO_METHOD_EXECUTION */
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_init_object_from_op
- *
- * PARAMETERS:  walk_state      - Current walk state
- *              Op              - Parser op used to init the internal object
- *              Opcode          - AML opcode associated with the object
- *              ret_obj_desc    - Namespace object to be initialized
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Initialize a namespace object from a parser Op and its
- *              associated arguments.  The namespace object is a more compact
- *              representation of the Op and its arguments.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
-			    union acpi_parse_object *op,
-			    u16 opcode,
-			    union acpi_operand_object **ret_obj_desc)
-{
-	const struct acpi_opcode_info *op_info;
-	union acpi_operand_object *obj_desc;
-	acpi_status status = AE_OK;
-
-	ACPI_FUNCTION_TRACE(ds_init_object_from_op);
-
-	obj_desc = *ret_obj_desc;
-	op_info = acpi_ps_get_opcode_info(opcode);
-	if (op_info->class == AML_CLASS_UNKNOWN) {
-
-		/* Unknown opcode */
-
-		return_ACPI_STATUS(AE_TYPE);
-	}
-
-	/* Perform per-object initialization */
-
-	switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
-	case ACPI_TYPE_BUFFER:
-
-		/*
-		 * Defer evaluation of Buffer term_arg operand
-		 */
-		obj_desc->buffer.node =
-		    ACPI_CAST_PTR(struct acpi_namespace_node,
-				  walk_state->operands[0]);
-		obj_desc->buffer.aml_start = op->named.data;
-		obj_desc->buffer.aml_length = op->named.length;
-		break;
-
-	case ACPI_TYPE_PACKAGE:
-
-		/*
-		 * Defer evaluation of Package term_arg operand
-		 */
-		obj_desc->package.node =
-		    ACPI_CAST_PTR(struct acpi_namespace_node,
-				  walk_state->operands[0]);
-		obj_desc->package.aml_start = op->named.data;
-		obj_desc->package.aml_length = op->named.length;
-		break;
-
-	case ACPI_TYPE_INTEGER:
-
-		switch (op_info->type) {
-		case AML_TYPE_CONSTANT:
-			/*
-			 * Resolve AML Constants here - AND ONLY HERE!
-			 * All constants are integers.
-			 * We mark the integer with a flag that indicates that it started
-			 * life as a constant -- so that stores to constants will perform
-			 * as expected (noop). zero_op is used as a placeholder for optional
-			 * target operands.
-			 */
-			obj_desc->common.flags = AOPOBJ_AML_CONSTANT;
-
-			switch (opcode) {
-			case AML_ZERO_OP:
-
-				obj_desc->integer.value = 0;
-				break;
-
-			case AML_ONE_OP:
-
-				obj_desc->integer.value = 1;
-				break;
-
-			case AML_ONES_OP:
-
-				obj_desc->integer.value = ACPI_INTEGER_MAX;
-
-				/* Truncate value if we are executing from a 32-bit ACPI table */
-
-#ifndef ACPI_NO_METHOD_EXECUTION
-				acpi_ex_truncate_for32bit_table(obj_desc);
-#endif
-				break;
-
-			case AML_REVISION_OP:
-
-				obj_desc->integer.value = ACPI_CA_VERSION;
-				break;
-
-			default:
-
-				ACPI_ERROR((AE_INFO,
-					    "Unknown constant opcode %X",
-					    opcode));
-				status = AE_AML_OPERAND_TYPE;
-				break;
-			}
-			break;
-
-		case AML_TYPE_LITERAL:
-
-			obj_desc->integer.value = op->common.value.integer;
-#ifndef ACPI_NO_METHOD_EXECUTION
-			acpi_ex_truncate_for32bit_table(obj_desc);
-#endif
-			break;
-
-		default:
-			ACPI_ERROR((AE_INFO, "Unknown Integer type %X",
-				    op_info->type));
-			status = AE_AML_OPERAND_TYPE;
-			break;
-		}
-		break;
-
-	case ACPI_TYPE_STRING:
-
-		obj_desc->string.pointer = op->common.value.string;
-		obj_desc->string.length =
-		    (u32) ACPI_STRLEN(op->common.value.string);
-
-		/*
-		 * The string is contained in the ACPI table, don't ever try
-		 * to delete it
-		 */
-		obj_desc->common.flags |= AOPOBJ_STATIC_POINTER;
-		break;
-
-	case ACPI_TYPE_METHOD:
-		break;
-
-	case ACPI_TYPE_LOCAL_REFERENCE:
-
-		switch (op_info->type) {
-		case AML_TYPE_LOCAL_VARIABLE:
-
-			/* Local ID (0-7) is (AML opcode - base AML_LOCAL_OP) */
-
-			obj_desc->reference.value = opcode - AML_LOCAL_OP;
-			obj_desc->reference.class = ACPI_REFCLASS_LOCAL;
-
-#ifndef ACPI_NO_METHOD_EXECUTION
-			status =
-			    acpi_ds_method_data_get_node(ACPI_REFCLASS_LOCAL,
-							 obj_desc->reference.
-							 value, walk_state,
-							 ACPI_CAST_INDIRECT_PTR
-							 (struct
-							  acpi_namespace_node,
-							  &obj_desc->reference.
-							  object));
-#endif
-			break;
-
-		case AML_TYPE_METHOD_ARGUMENT:
-
-			/* Arg ID (0-6) is (AML opcode - base AML_ARG_OP) */
-
-			obj_desc->reference.value = opcode - AML_ARG_OP;
-			obj_desc->reference.class = ACPI_REFCLASS_ARG;
-
-#ifndef ACPI_NO_METHOD_EXECUTION
-			status = acpi_ds_method_data_get_node(ACPI_REFCLASS_ARG,
-							      obj_desc->
-							      reference.value,
-							      walk_state,
-							      ACPI_CAST_INDIRECT_PTR
-							      (struct
-							       acpi_namespace_node,
-							       &obj_desc->
-							       reference.
-							       object));
-#endif
-			break;
-
-		default:	/* Object name or Debug object */
-
-			switch (op->common.aml_opcode) {
-			case AML_INT_NAMEPATH_OP:
-
-				/* Node was saved in Op */
-
-				obj_desc->reference.node = op->common.node;
-				obj_desc->reference.object =
-				    op->common.node->object;
-				obj_desc->reference.class = ACPI_REFCLASS_NAME;
-				break;
-
-			case AML_DEBUG_OP:
-
-				obj_desc->reference.class = ACPI_REFCLASS_DEBUG;
-				break;
-
-			default:
-
-				ACPI_ERROR((AE_INFO,
-					    "Unimplemented reference type for AML opcode: %4.4X",
-					    opcode));
-				return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
-			}
-			break;
-		}
-		break;
-
-	default:
-
-		ACPI_ERROR((AE_INFO, "Unimplemented data type: %X",
-			    ACPI_GET_OBJECT_TYPE(obj_desc)));
-
-		status = AE_AML_OPERAND_TYPE;
-		break;
-	}
-
-	return_ACPI_STATUS(status);
-}
diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c
deleted file mode 100644
index cb8a0d3109f0..000000000000
--- a/drivers/acpi/dispatcher/dsopcode.c
+++ /dev/null
@@ -1,1469 +0,0 @@
-/******************************************************************************
- *
- * Module Name: dsopcode - Dispatcher Op Region support and handling of
- *                         "control" opcodes
- *
- *****************************************************************************/
-
-/*
- * 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/acparser.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acevents.h>
-#include <acpi/actables.h>
-
-#define _COMPONENT          ACPI_DISPATCHER
-ACPI_MODULE_NAME("dsopcode")
-
-/* Local prototypes */
-static acpi_status
-acpi_ds_execute_arguments(struct acpi_namespace_node *node,
-			  struct acpi_namespace_node *scope_node,
-			  u32 aml_length, u8 * aml_start);
-
-static acpi_status
-acpi_ds_init_buffer_field(u16 aml_opcode,
-			  union acpi_operand_object *obj_desc,
-			  union acpi_operand_object *buffer_desc,
-			  union acpi_operand_object *offset_desc,
-			  union acpi_operand_object *length_desc,
-			  union acpi_operand_object *result_desc);
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_execute_arguments
- *
- * PARAMETERS:  Node                - Object NS node
- *              scope_node          - Parent NS node
- *              aml_length          - Length of executable AML
- *              aml_start           - Pointer to the AML
- *
- * RETURN:      Status.
- *
- * DESCRIPTION: Late (deferred) execution of region or field arguments
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ds_execute_arguments(struct acpi_namespace_node *node,
-			  struct acpi_namespace_node *scope_node,
-			  u32 aml_length, u8 * aml_start)
-{
-	acpi_status status;
-	union acpi_parse_object *op;
-	struct acpi_walk_state *walk_state;
-
-	ACPI_FUNCTION_TRACE(ds_execute_arguments);
-
-	/*
-	 * Allocate a new parser op to be the root of the parsed tree
-	 */
-	op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP);
-	if (!op) {
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	/* Save the Node for use in acpi_ps_parse_aml */
-
-	op->common.node = scope_node;
-
-	/* Create and initialize a new parser state */
-
-	walk_state = acpi_ds_create_walk_state(0, NULL, NULL, NULL);
-	if (!walk_state) {
-		status = AE_NO_MEMORY;
-		goto cleanup;
-	}
-
-	status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
-				       aml_length, NULL, ACPI_IMODE_LOAD_PASS1);
-	if (ACPI_FAILURE(status)) {
-		acpi_ds_delete_walk_state(walk_state);
-		goto cleanup;
-	}
-
-	/* Mark this parse as a deferred opcode */
-
-	walk_state->parse_flags = ACPI_PARSE_DEFERRED_OP;
-	walk_state->deferred_node = node;
-
-	/* Pass1: Parse the entire declaration */
-
-	status = acpi_ps_parse_aml(walk_state);
-	if (ACPI_FAILURE(status)) {
-		goto cleanup;
-	}
-
-	/* Get and init the Op created above */
-
-	op->common.node = node;
-	acpi_ps_delete_parse_tree(op);
-
-	/* Evaluate the deferred arguments */
-
-	op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP);
-	if (!op) {
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	op->common.node = scope_node;
-
-	/* Create and initialize a new parser state */
-
-	walk_state = acpi_ds_create_walk_state(0, NULL, NULL, NULL);
-	if (!walk_state) {
-		status = AE_NO_MEMORY;
-		goto cleanup;
-	}
-
-	/* Execute the opcode and arguments */
-
-	status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
-				       aml_length, NULL, ACPI_IMODE_EXECUTE);
-	if (ACPI_FAILURE(status)) {
-		acpi_ds_delete_walk_state(walk_state);
-		goto cleanup;
-	}
-
-	/* Mark this execution as a deferred opcode */
-
-	walk_state->deferred_node = node;
-	status = acpi_ps_parse_aml(walk_state);
-
-      cleanup:
-	acpi_ps_delete_parse_tree(op);
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_get_buffer_field_arguments
- *
- * PARAMETERS:  obj_desc        - A valid buffer_field object
- *
- * RETURN:      Status.
- *
- * DESCRIPTION: Get buffer_field Buffer and Index. This implements the late
- *              evaluation of these field attributes.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc)
-{
-	union acpi_operand_object *extra_desc;
-	struct acpi_namespace_node *node;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_field_arguments, obj_desc);
-
-	if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	/* Get the AML pointer (method object) and buffer_field node */
-
-	extra_desc = acpi_ns_get_secondary_object(obj_desc);
-	node = obj_desc->buffer_field.node;
-
-	ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
-			(ACPI_TYPE_BUFFER_FIELD, node, NULL));
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BufferField Arg Init\n",
-			  acpi_ut_get_node_name(node)));
-
-	/* Execute the AML code for the term_arg arguments */
-
-	status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
-					   extra_desc->extra.aml_length,
-					   extra_desc->extra.aml_start);
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_get_bank_field_arguments
- *
- * PARAMETERS:  obj_desc        - A valid bank_field object
- *
- * RETURN:      Status.
- *
- * DESCRIPTION: Get bank_field bank_value. This implements the late
- *              evaluation of these field attributes.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc)
-{
-	union acpi_operand_object *extra_desc;
-	struct acpi_namespace_node *node;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_get_bank_field_arguments, obj_desc);
-
-	if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	/* Get the AML pointer (method object) and bank_field node */
-
-	extra_desc = acpi_ns_get_secondary_object(obj_desc);
-	node = obj_desc->bank_field.node;
-
-	ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
-			(ACPI_TYPE_LOCAL_BANK_FIELD, node, NULL));
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BankField Arg Init\n",
-			  acpi_ut_get_node_name(node)));
-
-	/* Execute the AML code for the term_arg arguments */
-
-	status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
-					   extra_desc->extra.aml_length,
-					   extra_desc->extra.aml_start);
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_get_buffer_arguments
- *
- * PARAMETERS:  obj_desc        - A valid Buffer object
- *
- * RETURN:      Status.
- *
- * DESCRIPTION: Get Buffer length and initializer byte list.  This implements
- *              the late evaluation of these attributes.
- *
- ******************************************************************************/
-
-acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc)
-{
-	struct acpi_namespace_node *node;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_arguments, obj_desc);
-
-	if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	/* Get the Buffer node */
-
-	node = obj_desc->buffer.node;
-	if (!node) {
-		ACPI_ERROR((AE_INFO,
-			    "No pointer back to NS node in buffer obj %p",
-			    obj_desc));
-		return_ACPI_STATUS(AE_AML_INTERNAL);
-	}
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Buffer Arg Init\n"));
-
-	/* Execute the AML code for the term_arg arguments */
-
-	status = acpi_ds_execute_arguments(node, node,
-					   obj_desc->buffer.aml_length,
-					   obj_desc->buffer.aml_start);
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_get_package_arguments
- *
- * PARAMETERS:  obj_desc        - A valid Package object
- *
- * RETURN:      Status.
- *
- * DESCRIPTION: Get Package length and initializer byte list.  This implements
- *              the late evaluation of these attributes.
- *
- ******************************************************************************/
-
-acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc)
-{
-	struct acpi_namespace_node *node;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_get_package_arguments, obj_desc);
-
-	if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	/* Get the Package node */
-
-	node = obj_desc->package.node;
-	if (!node) {
-		ACPI_ERROR((AE_INFO,
-			    "No pointer back to NS node in package %p",
-			    obj_desc));
-		return_ACPI_STATUS(AE_AML_INTERNAL);
-	}
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Package Arg Init\n"));
-
-	/* Execute the AML code for the term_arg arguments */
-
-	status = acpi_ds_execute_arguments(node, node,
-					   obj_desc->package.aml_length,
-					   obj_desc->package.aml_start);
-	return_ACPI_STATUS(status);
-}
-
-/*****************************************************************************
- *
- * FUNCTION:    acpi_ds_get_region_arguments
- *
- * PARAMETERS:  obj_desc        - A valid region object
- *
- * RETURN:      Status.
- *
- * DESCRIPTION: Get region address and length.  This implements the late
- *              evaluation of these region attributes.
- *
- ****************************************************************************/
-
-acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
-{
-	struct acpi_namespace_node *node;
-	acpi_status status;
-	union acpi_operand_object *extra_desc;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_get_region_arguments, obj_desc);
-
-	if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	extra_desc = acpi_ns_get_secondary_object(obj_desc);
-	if (!extra_desc) {
-		return_ACPI_STATUS(AE_NOT_EXIST);
-	}
-
-	/* Get the Region node */
-
-	node = obj_desc->region.node;
-
-	ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
-			(ACPI_TYPE_REGION, node, NULL));
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] OpRegion Arg Init at AML %p\n",
-			  acpi_ut_get_node_name(node),
-			  extra_desc->extra.aml_start));
-
-	/* Execute the argument AML */
-
-	status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
-					   extra_desc->extra.aml_length,
-					   extra_desc->extra.aml_start);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/* Validate the region address/length via the host OS */
-
-	status = acpi_os_validate_address(obj_desc->region.space_id,
-					  obj_desc->region.address,
-					  (acpi_size) obj_desc->region.length,
-					  acpi_ut_get_node_name(node));
-
-	if (ACPI_FAILURE(status)) {
-		/*
-		 * Invalid address/length. We will emit an error message and mark
-		 * the region as invalid, so that it will cause an additional error if
-		 * it is ever used. Then return AE_OK.
-		 */
-		ACPI_EXCEPTION((AE_INFO, status,
-				"During address validation of OpRegion [%4.4s]",
-				node->name.ascii));
-		obj_desc->common.flags |= AOPOBJ_INVALID;
-		status = AE_OK;
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_initialize_region
- *
- * PARAMETERS:  obj_handle      - Region namespace node
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Front end to ev_initialize_region
- *
- ******************************************************************************/
-
-acpi_status acpi_ds_initialize_region(acpi_handle obj_handle)
-{
-	union acpi_operand_object *obj_desc;
-	acpi_status status;
-
-	obj_desc = acpi_ns_get_attached_object(obj_handle);
-
-	/* Namespace is NOT locked */
-
-	status = acpi_ev_initialize_region(obj_desc, FALSE);
-	return (status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_init_buffer_field
- *
- * PARAMETERS:  aml_opcode      - create_xxx_field
- *              obj_desc        - buffer_field object
- *              buffer_desc     - Host Buffer
- *              offset_desc     - Offset into buffer
- *              length_desc     - Length of field (CREATE_FIELD_OP only)
- *              result_desc     - Where to store the result
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Perform actual initialization of a buffer field
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ds_init_buffer_field(u16 aml_opcode,
-			  union acpi_operand_object *obj_desc,
-			  union acpi_operand_object *buffer_desc,
-			  union acpi_operand_object *offset_desc,
-			  union acpi_operand_object *length_desc,
-			  union acpi_operand_object *result_desc)
-{
-	u32 offset;
-	u32 bit_offset;
-	u32 bit_count;
-	u8 field_flags;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_init_buffer_field, obj_desc);
-
-	/* Host object must be a Buffer */
-
-	if (ACPI_GET_OBJECT_TYPE(buffer_desc) != ACPI_TYPE_BUFFER) {
-		ACPI_ERROR((AE_INFO,
-			    "Target of Create Field is not a Buffer object - %s",
-			    acpi_ut_get_object_type_name(buffer_desc)));
-
-		status = AE_AML_OPERAND_TYPE;
-		goto cleanup;
-	}
-
-	/*
-	 * The last parameter to all of these opcodes (result_desc) started
-	 * out as a name_string, and should therefore now be a NS node
-	 * after resolution in acpi_ex_resolve_operands().
-	 */
-	if (ACPI_GET_DESCRIPTOR_TYPE(result_desc) != ACPI_DESC_TYPE_NAMED) {
-		ACPI_ERROR((AE_INFO,
-			    "(%s) destination not a NS Node [%s]",
-			    acpi_ps_get_opcode_name(aml_opcode),
-			    acpi_ut_get_descriptor_name(result_desc)));
-
-		status = AE_AML_OPERAND_TYPE;
-		goto cleanup;
-	}
-
-	offset = (u32) offset_desc->integer.value;
-
-	/*
-	 * Setup the Bit offsets and counts, according to the opcode
-	 */
-	switch (aml_opcode) {
-	case AML_CREATE_FIELD_OP:
-
-		/* Offset is in bits, count is in bits */
-
-		field_flags = AML_FIELD_ACCESS_BYTE;
-		bit_offset = offset;
-		bit_count = (u32) length_desc->integer.value;
-
-		/* Must have a valid (>0) bit count */
-
-		if (bit_count == 0) {
-			ACPI_ERROR((AE_INFO,
-				    "Attempt to CreateField of length zero"));
-			status = AE_AML_OPERAND_VALUE;
-			goto cleanup;
-		}
-		break;
-
-	case AML_CREATE_BIT_FIELD_OP:
-
-		/* Offset is in bits, Field is one bit */
-
-		bit_offset = offset;
-		bit_count = 1;
-		field_flags = AML_FIELD_ACCESS_BYTE;
-		break;
-
-	case AML_CREATE_BYTE_FIELD_OP:
-
-		/* Offset is in bytes, field is one byte */
-
-		bit_offset = 8 * offset;
-		bit_count = 8;
-		field_flags = AML_FIELD_ACCESS_BYTE;
-		break;
-
-	case AML_CREATE_WORD_FIELD_OP:
-
-		/* Offset is in bytes, field is one word */
-
-		bit_offset = 8 * offset;
-		bit_count = 16;
-		field_flags = AML_FIELD_ACCESS_WORD;
-		break;
-
-	case AML_CREATE_DWORD_FIELD_OP:
-
-		/* Offset is in bytes, field is one dword */
-
-		bit_offset = 8 * offset;
-		bit_count = 32;
-		field_flags = AML_FIELD_ACCESS_DWORD;
-		break;
-
-	case AML_CREATE_QWORD_FIELD_OP:
-
-		/* Offset is in bytes, field is one qword */
-
-		bit_offset = 8 * offset;
-		bit_count = 64;
-		field_flags = AML_FIELD_ACCESS_QWORD;
-		break;
-
-	default:
-
-		ACPI_ERROR((AE_INFO,
-			    "Unknown field creation opcode %02x", aml_opcode));
-		status = AE_AML_BAD_OPCODE;
-		goto cleanup;
-	}
-
-	/* Entire field must fit within the current length of the buffer */
-
-	if ((bit_offset + bit_count) > (8 * (u32) buffer_desc->buffer.length)) {
-		ACPI_ERROR((AE_INFO,
-			    "Field [%4.4s] at %d exceeds Buffer [%4.4s] size %d (bits)",
-			    acpi_ut_get_node_name(result_desc),
-			    bit_offset + bit_count,
-			    acpi_ut_get_node_name(buffer_desc->buffer.node),
-			    8 * (u32) buffer_desc->buffer.length));
-		status = AE_AML_BUFFER_LIMIT;
-		goto cleanup;
-	}
-
-	/*
-	 * Initialize areas of the field object that are common to all fields
-	 * For field_flags, use LOCK_RULE = 0 (NO_LOCK),
-	 * UPDATE_RULE = 0 (UPDATE_PRESERVE)
-	 */
-	status = acpi_ex_prep_common_field_object(obj_desc, field_flags, 0,
-						  bit_offset, bit_count);
-	if (ACPI_FAILURE(status)) {
-		goto cleanup;
-	}
-
-	obj_desc->buffer_field.buffer_obj = buffer_desc;
-
-	/* Reference count for buffer_desc inherits obj_desc count */
-
-	buffer_desc->common.reference_count = (u16)
-	    (buffer_desc->common.reference_count +
-	     obj_desc->common.reference_count);
-
-      cleanup:
-
-	/* Always delete the operands */
-
-	acpi_ut_remove_reference(offset_desc);
-	acpi_ut_remove_reference(buffer_desc);
-
-	if (aml_opcode == AML_CREATE_FIELD_OP) {
-		acpi_ut_remove_reference(length_desc);
-	}
-
-	/* On failure, delete the result descriptor */
-
-	if (ACPI_FAILURE(status)) {
-		acpi_ut_remove_reference(result_desc);	/* Result descriptor */
-	} else {
-		/* Now the address and length are valid for this buffer_field */
-
-		obj_desc->buffer_field.flags |= AOPOBJ_DATA_VALID;
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_eval_buffer_field_operands
- *
- * PARAMETERS:  walk_state      - Current walk
- *              Op              - A valid buffer_field Op object
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Get buffer_field Buffer and Index
- *              Called from acpi_ds_exec_end_op during buffer_field parse tree walk
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
-				   union acpi_parse_object *op)
-{
-	acpi_status status;
-	union acpi_operand_object *obj_desc;
-	struct acpi_namespace_node *node;
-	union acpi_parse_object *next_op;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_eval_buffer_field_operands, op);
-
-	/*
-	 * This is where we evaluate the address and length fields of the
-	 * create_xxx_field declaration
-	 */
-	node = op->common.node;
-
-	/* next_op points to the op that holds the Buffer */
-
-	next_op = op->common.value.arg;
-
-	/* Evaluate/create the address and length operands */
-
-	status = acpi_ds_create_operands(walk_state, next_op);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	obj_desc = acpi_ns_get_attached_object(node);
-	if (!obj_desc) {
-		return_ACPI_STATUS(AE_NOT_EXIST);
-	}
-
-	/* Resolve the operands */
-
-	status = acpi_ex_resolve_operands(op->common.aml_opcode,
-					  ACPI_WALK_OPERANDS, walk_state);
-	if (ACPI_FAILURE(status)) {
-		ACPI_ERROR((AE_INFO, "(%s) bad operand(s) (%X)",
-			    acpi_ps_get_opcode_name(op->common.aml_opcode),
-			    status));
-
-		return_ACPI_STATUS(status);
-	}
-
-	/* Initialize the Buffer Field */
-
-	if (op->common.aml_opcode == AML_CREATE_FIELD_OP) {
-
-		/* NOTE: Slightly different operands for this opcode */
-
-		status =
-		    acpi_ds_init_buffer_field(op->common.aml_opcode, obj_desc,
-					      walk_state->operands[0],
-					      walk_state->operands[1],
-					      walk_state->operands[2],
-					      walk_state->operands[3]);
-	} else {
-		/* All other, create_xxx_field opcodes */
-
-		status =
-		    acpi_ds_init_buffer_field(op->common.aml_opcode, obj_desc,
-					      walk_state->operands[0],
-					      walk_state->operands[1], NULL,
-					      walk_state->operands[2]);
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_eval_region_operands
- *
- * PARAMETERS:  walk_state      - Current walk
- *              Op              - A valid region Op object
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Get region address and length
- *              Called from acpi_ds_exec_end_op during op_region parse tree walk
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
-			     union acpi_parse_object *op)
-{
-	acpi_status status;
-	union acpi_operand_object *obj_desc;
-	union acpi_operand_object *operand_desc;
-	struct acpi_namespace_node *node;
-	union acpi_parse_object *next_op;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_eval_region_operands, op);
-
-	/*
-	 * This is where we evaluate the address and length fields of the
-	 * op_region declaration
-	 */
-	node = op->common.node;
-
-	/* next_op points to the op that holds the space_iD */
-
-	next_op = op->common.value.arg;
-
-	/* next_op points to address op */
-
-	next_op = next_op->common.next;
-
-	/* Evaluate/create the address and length operands */
-
-	status = acpi_ds_create_operands(walk_state, next_op);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/* Resolve the length and address operands to numbers */
-
-	status = acpi_ex_resolve_operands(op->common.aml_opcode,
-					  ACPI_WALK_OPERANDS, walk_state);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	obj_desc = acpi_ns_get_attached_object(node);
-	if (!obj_desc) {
-		return_ACPI_STATUS(AE_NOT_EXIST);
-	}
-
-	/*
-	 * Get the length operand and save it
-	 * (at Top of stack)
-	 */
-	operand_desc = walk_state->operands[walk_state->num_operands - 1];
-
-	obj_desc->region.length = (u32) operand_desc->integer.value;
-	acpi_ut_remove_reference(operand_desc);
-
-	/*
-	 * Get the address and save it
-	 * (at top of stack - 1)
-	 */
-	operand_desc = walk_state->operands[walk_state->num_operands - 2];
-
-	obj_desc->region.address = (acpi_physical_address)
-	    operand_desc->integer.value;
-	acpi_ut_remove_reference(operand_desc);
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
-			  obj_desc,
-			  ACPI_FORMAT_NATIVE_UINT(obj_desc->region.address),
-			  obj_desc->region.length));
-
-	/* Now the address and length are valid for this opregion */
-
-	obj_desc->region.flags |= AOPOBJ_DATA_VALID;
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_eval_table_region_operands
- *
- * PARAMETERS:  walk_state      - Current walk
- *              Op              - A valid region Op object
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Get region address and length
- *              Called from acpi_ds_exec_end_op during data_table_region parse tree walk
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
-				   union acpi_parse_object *op)
-{
-	acpi_status status;
-	union acpi_operand_object *obj_desc;
-	union acpi_operand_object **operand;
-	struct acpi_namespace_node *node;
-	union acpi_parse_object *next_op;
-	u32 table_index;
-	struct acpi_table_header *table;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_eval_table_region_operands, op);
-
-	/*
-	 * This is where we evaluate the signature_string and oem_iDString
-	 * and oem_table_iDString of the data_table_region declaration
-	 */
-	node = op->common.node;
-
-	/* next_op points to signature_string op */
-
-	next_op = op->common.value.arg;
-
-	/*
-	 * Evaluate/create the signature_string and oem_iDString
-	 * and oem_table_iDString operands
-	 */
-	status = acpi_ds_create_operands(walk_state, next_op);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/*
-	 * Resolve the signature_string and oem_iDString
-	 * and oem_table_iDString operands
-	 */
-	status = acpi_ex_resolve_operands(op->common.aml_opcode,
-					  ACPI_WALK_OPERANDS, walk_state);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	operand = &walk_state->operands[0];
-
-	/* Find the ACPI table */
-
-	status = acpi_tb_find_table(operand[0]->string.pointer,
-				    operand[1]->string.pointer,
-				    operand[2]->string.pointer, &table_index);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	acpi_ut_remove_reference(operand[0]);
-	acpi_ut_remove_reference(operand[1]);
-	acpi_ut_remove_reference(operand[2]);
-
-	status = acpi_get_table_by_index(table_index, &table);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	obj_desc = acpi_ns_get_attached_object(node);
-	if (!obj_desc) {
-		return_ACPI_STATUS(AE_NOT_EXIST);
-	}
-
-	obj_desc->region.address =
-	    (acpi_physical_address) ACPI_TO_INTEGER(table);
-	obj_desc->region.length = table->length;
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
-			  obj_desc,
-			  ACPI_FORMAT_NATIVE_UINT(obj_desc->region.address),
-			  obj_desc->region.length));
-
-	/* Now the address and length are valid for this opregion */
-
-	obj_desc->region.flags |= AOPOBJ_DATA_VALID;
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_eval_data_object_operands
- *
- * PARAMETERS:  walk_state      - Current walk
- *              Op              - A valid data_object Op object
- *              obj_desc        - data_object
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Get the operands and complete the following data object types:
- *              Buffer, Package.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
-				  union acpi_parse_object *op,
-				  union acpi_operand_object *obj_desc)
-{
-	acpi_status status;
-	union acpi_operand_object *arg_desc;
-	u32 length;
-
-	ACPI_FUNCTION_TRACE(ds_eval_data_object_operands);
-
-	/* The first operand (for all of these data objects) is the length */
-
-	/*
-	 * Set proper index into operand stack for acpi_ds_obj_stack_push
-	 * invoked inside acpi_ds_create_operand.
-	 */
-	walk_state->operand_index = walk_state->num_operands;
-
-	status = acpi_ds_create_operand(walk_state, op->common.value.arg, 1);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	status = acpi_ex_resolve_operands(walk_state->opcode,
-					  &(walk_state->
-					    operands[walk_state->num_operands -
-						     1]), walk_state);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/* Extract length operand */
-
-	arg_desc = walk_state->operands[walk_state->num_operands - 1];
-	length = (u32) arg_desc->integer.value;
-
-	/* Cleanup for length operand */
-
-	status = acpi_ds_obj_stack_pop(1, walk_state);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	acpi_ut_remove_reference(arg_desc);
-
-	/*
-	 * Create the actual data object
-	 */
-	switch (op->common.aml_opcode) {
-	case AML_BUFFER_OP:
-
-		status =
-		    acpi_ds_build_internal_buffer_obj(walk_state, op, length,
-						      &obj_desc);
-		break;
-
-	case AML_PACKAGE_OP:
-	case AML_VAR_PACKAGE_OP:
-
-		status =
-		    acpi_ds_build_internal_package_obj(walk_state, op, length,
-						       &obj_desc);
-		break;
-
-	default:
-		return_ACPI_STATUS(AE_AML_BAD_OPCODE);
-	}
-
-	if (ACPI_SUCCESS(status)) {
-		/*
-		 * Return the object in the walk_state, unless the parent is a package -
-		 * in this case, the return object will be stored in the parse tree
-		 * for the package.
-		 */
-		if ((!op->common.parent) ||
-		    ((op->common.parent->common.aml_opcode != AML_PACKAGE_OP) &&
-		     (op->common.parent->common.aml_opcode !=
-		      AML_VAR_PACKAGE_OP)
-		     && (op->common.parent->common.aml_opcode != AML_NAME_OP))) {
-			walk_state->result_obj = obj_desc;
-		}
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_eval_bank_field_operands
- *
- * PARAMETERS:  walk_state      - Current walk
- *              Op              - A valid bank_field Op object
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Get bank_field bank_value
- *              Called from acpi_ds_exec_end_op during bank_field parse tree walk
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,
-				 union acpi_parse_object *op)
-{
-	acpi_status status;
-	union acpi_operand_object *obj_desc;
-	union acpi_operand_object *operand_desc;
-	struct acpi_namespace_node *node;
-	union acpi_parse_object *next_op;
-	union acpi_parse_object *arg;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_eval_bank_field_operands, op);
-
-	/*
-	 * This is where we evaluate the bank_value field of the
-	 * bank_field declaration
-	 */
-
-	/* next_op points to the op that holds the Region */
-
-	next_op = op->common.value.arg;
-
-	/* next_op points to the op that holds the Bank Register */
-
-	next_op = next_op->common.next;
-
-	/* next_op points to the op that holds the Bank Value */
-
-	next_op = next_op->common.next;
-
-	/*
-	 * Set proper index into operand stack for acpi_ds_obj_stack_push
-	 * invoked inside acpi_ds_create_operand.
-	 *
-	 * We use walk_state->Operands[0] to store the evaluated bank_value
-	 */
-	walk_state->operand_index = 0;
-
-	status = acpi_ds_create_operand(walk_state, next_op, 0);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	status = acpi_ex_resolve_to_value(&walk_state->operands[0], walk_state);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS,
-			   acpi_ps_get_opcode_name(op->common.aml_opcode), 1);
-	/*
-	 * Get the bank_value operand and save it
-	 * (at Top of stack)
-	 */
-	operand_desc = walk_state->operands[0];
-
-	/* Arg points to the start Bank Field */
-
-	arg = acpi_ps_get_arg(op, 4);
-	while (arg) {
-
-		/* Ignore OFFSET and ACCESSAS terms here */
-
-		if (arg->common.aml_opcode == AML_INT_NAMEDFIELD_OP) {
-			node = arg->common.node;
-
-			obj_desc = acpi_ns_get_attached_object(node);
-			if (!obj_desc) {
-				return_ACPI_STATUS(AE_NOT_EXIST);
-			}
-
-			obj_desc->bank_field.value =
-			    (u32) operand_desc->integer.value;
-		}
-
-		/* Move to next field in the list */
-
-		arg = arg->common.next;
-	}
-
-	acpi_ut_remove_reference(operand_desc);
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_exec_begin_control_op
- *
- * PARAMETERS:  walk_list       - The list that owns the walk stack
- *              Op              - The control Op
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Handles all control ops encountered during control method
- *              execution.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
-			      union acpi_parse_object *op)
-{
-	acpi_status status = AE_OK;
-	union acpi_generic_state *control_state;
-
-	ACPI_FUNCTION_NAME(ds_exec_begin_control_op);
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p Opcode=%2.2X State=%p\n", op,
-			  op->common.aml_opcode, walk_state));
-
-	switch (op->common.aml_opcode) {
-	case AML_WHILE_OP:
-
-		/*
-		 * If this is an additional iteration of a while loop, continue.
-		 * There is no need to allocate a new control state.
-		 */
-		if (walk_state->control_state) {
-			if (walk_state->control_state->control.aml_predicate_start
-				== (walk_state->parser_state.aml - 1)) {
-
-				/* Reset the state to start-of-loop */
-
-				walk_state->control_state->common.state =
-				    ACPI_CONTROL_CONDITIONAL_EXECUTING;
-				break;
-			}
-		}
-
-		/*lint -fallthrough */
-
-	case AML_IF_OP:
-
-		/*
-		 * IF/WHILE: Create a new control state to manage these
-		 * constructs. We need to manage these as a stack, in order
-		 * to handle nesting.
-		 */
-		control_state = acpi_ut_create_control_state();
-		if (!control_state) {
-			status = AE_NO_MEMORY;
-			break;
-		}
-		/*
-		 * Save a pointer to the predicate for multiple executions
-		 * of a loop
-		 */
-		control_state->control.aml_predicate_start =
-		    walk_state->parser_state.aml - 1;
-		control_state->control.package_end =
-		    walk_state->parser_state.pkg_end;
-		control_state->control.opcode = op->common.aml_opcode;
-
-		/* Push the control state on this walk's control stack */
-
-		acpi_ut_push_generic_state(&walk_state->control_state,
-					   control_state);
-		break;
-
-	case AML_ELSE_OP:
-
-		/* Predicate is in the state object */
-		/* If predicate is true, the IF was executed, ignore ELSE part */
-
-		if (walk_state->last_predicate) {
-			status = AE_CTRL_TRUE;
-		}
-
-		break;
-
-	case AML_RETURN_OP:
-
-		break;
-
-	default:
-		break;
-	}
-
-	return (status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_exec_end_control_op
- *
- * PARAMETERS:  walk_list       - The list that owns the walk stack
- *              Op              - The control Op
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Handles all control ops encountered during control method
- *              execution.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
-			    union acpi_parse_object * op)
-{
-	acpi_status status = AE_OK;
-	union acpi_generic_state *control_state;
-
-	ACPI_FUNCTION_NAME(ds_exec_end_control_op);
-
-	switch (op->common.aml_opcode) {
-	case AML_IF_OP:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "[IF_OP] Op=%p\n", op));
-
-		/*
-		 * Save the result of the predicate in case there is an
-		 * ELSE to come
-		 */
-		walk_state->last_predicate =
-		    (u8) walk_state->control_state->common.value;
-
-		/*
-		 * Pop the control state that was created at the start
-		 * of the IF and free it
-		 */
-		control_state =
-		    acpi_ut_pop_generic_state(&walk_state->control_state);
-		acpi_ut_delete_generic_state(control_state);
-		break;
-
-	case AML_ELSE_OP:
-
-		break;
-
-	case AML_WHILE_OP:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "[WHILE_OP] Op=%p\n", op));
-
-		control_state = walk_state->control_state;
-		if (control_state->common.value) {
-
-			/* Predicate was true, the body of the loop was just executed */
-
-			/*
-			 * This loop counter mechanism allows the interpreter to escape
-			 * possibly infinite loops. This can occur in poorly written AML
-			 * when the hardware does not respond within a while loop and the
-			 * loop does not implement a timeout.
-			 */
-			control_state->control.loop_count++;
-			if (control_state->control.loop_count >
-				ACPI_MAX_LOOP_ITERATIONS) {
-				status = AE_AML_INFINITE_LOOP;
-				break;
-			}
-
-			/*
-			 * Go back and evaluate the predicate and maybe execute the loop
-			 * another time
-			 */
-			status = AE_CTRL_PENDING;
-			walk_state->aml_last_while =
-			    control_state->control.aml_predicate_start;
-			break;
-		}
-
-		/* Predicate was false, terminate this while loop */
-
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "[WHILE_OP] termination! Op=%p\n", op));
-
-		/* Pop this control state and free it */
-
-		control_state =
-		    acpi_ut_pop_generic_state(&walk_state->control_state);
-		acpi_ut_delete_generic_state(control_state);
-		break;
-
-	case AML_RETURN_OP:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "[RETURN_OP] Op=%p Arg=%p\n", op,
-				  op->common.value.arg));
-
-		/*
-		 * One optional operand -- the return value
-		 * It can be either an immediate operand or a result that
-		 * has been bubbled up the tree
-		 */
-		if (op->common.value.arg) {
-
-			/* Since we have a real Return(), delete any implicit return */
-
-			acpi_ds_clear_implicit_return(walk_state);
-
-			/* Return statement has an immediate operand */
-
-			status =
-			    acpi_ds_create_operands(walk_state,
-						    op->common.value.arg);
-			if (ACPI_FAILURE(status)) {
-				return (status);
-			}
-
-			/*
-			 * If value being returned is a Reference (such as
-			 * an arg or local), resolve it now because it may
-			 * cease to exist at the end of the method.
-			 */
-			status =
-			    acpi_ex_resolve_to_value(&walk_state->operands[0],
-						     walk_state);
-			if (ACPI_FAILURE(status)) {
-				return (status);
-			}
-
-			/*
-			 * Get the return value and save as the last result
-			 * value.  This is the only place where walk_state->return_desc
-			 * is set to anything other than zero!
-			 */
-			walk_state->return_desc = walk_state->operands[0];
-		} else if (walk_state->result_count) {
-
-			/* Since we have a real Return(), delete any implicit return */
-
-			acpi_ds_clear_implicit_return(walk_state);
-
-			/*
-			 * The return value has come from a previous calculation.
-			 *
-			 * If value being returned is a Reference (such as
-			 * an arg or local), resolve it now because it may
-			 * cease to exist at the end of the method.
-			 *
-			 * Allow references created by the Index operator to return unchanged.
-			 */
-			if ((ACPI_GET_DESCRIPTOR_TYPE
-			     (walk_state->results->results.obj_desc[0]) ==
-			     ACPI_DESC_TYPE_OPERAND)
-			    &&
-			    (ACPI_GET_OBJECT_TYPE
-			     (walk_state->results->results.obj_desc[0]) ==
-			     ACPI_TYPE_LOCAL_REFERENCE)
-			    && ((walk_state->results->results.obj_desc[0])->
-				reference.class != ACPI_REFCLASS_INDEX)) {
-				status =
-				    acpi_ex_resolve_to_value(&walk_state->
-							     results->results.
-							     obj_desc[0],
-							     walk_state);
-				if (ACPI_FAILURE(status)) {
-					return (status);
-				}
-			}
-
-			walk_state->return_desc =
-			    walk_state->results->results.obj_desc[0];
-		} else {
-			/* No return operand */
-
-			if (walk_state->num_operands) {
-				acpi_ut_remove_reference(walk_state->
-							 operands[0]);
-			}
-
-			walk_state->operands[0] = NULL;
-			walk_state->num_operands = 0;
-			walk_state->return_desc = NULL;
-		}
-
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "Completed RETURN_OP State=%p, RetVal=%p\n",
-				  walk_state, walk_state->return_desc));
-
-		/* End the control method execution right now */
-
-		status = AE_CTRL_TERMINATE;
-		break;
-
-	case AML_NOOP_OP:
-
-		/* Just do nothing! */
-		break;
-
-	case AML_BREAK_POINT_OP:
-
-		/* Call up to the OS service layer to handle this */
-
-		status =
-		    acpi_os_signal(ACPI_SIGNAL_BREAKPOINT,
-				   "Executed AML Breakpoint opcode");
-
-		/* If and when it returns, all done. */
-
-		break;
-
-	case AML_BREAK_OP:
-	case AML_CONTINUE_OP:	/* ACPI 2.0 */
-
-		/* Pop and delete control states until we find a while */
-
-		while (walk_state->control_state &&
-		       (walk_state->control_state->control.opcode !=
-			AML_WHILE_OP)) {
-			control_state =
-			    acpi_ut_pop_generic_state(&walk_state->
-						      control_state);
-			acpi_ut_delete_generic_state(control_state);
-		}
-
-		/* No while found? */
-
-		if (!walk_state->control_state) {
-			return (AE_AML_NO_WHILE);
-		}
-
-		/* Was: walk_state->aml_last_while = walk_state->control_state->Control.aml_predicate_start; */
-
-		walk_state->aml_last_while =
-		    walk_state->control_state->control.package_end;
-
-		/* Return status depending on opcode */
-
-		if (op->common.aml_opcode == AML_BREAK_OP) {
-			status = AE_CTRL_BREAK;
-		} else {
-			status = AE_CTRL_CONTINUE;
-		}
-		break;
-
-	default:
-
-		ACPI_ERROR((AE_INFO, "Unknown control opcode=%X Op=%p",
-			    op->common.aml_opcode, op));
-
-		status = AE_AML_BAD_OPCODE;
-		break;
-	}
-
-	return (status);
-}
diff --git a/drivers/acpi/dispatcher/dsutils.c b/drivers/acpi/dispatcher/dsutils.c
deleted file mode 100644
index 9c88846ca2ce..000000000000
--- a/drivers/acpi/dispatcher/dsutils.c
+++ /dev/null
@@ -1,869 +0,0 @@
-/*******************************************************************************
- *
- * Module Name: dsutils - Dispatcher utilities
- *
- ******************************************************************************/
-
-/*
- * 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/acparser.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acdebug.h>
-
-#define _COMPONENT          ACPI_DISPATCHER
-ACPI_MODULE_NAME("dsutils")
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_clear_implicit_return
- *
- * PARAMETERS:  walk_state          - Current State
- *
- * RETURN:      None.
- *
- * DESCRIPTION: Clear and remove a reference on an implicit return value.  Used
- *              to delete "stale" return values (if enabled, the return value
- *              from every operator is saved at least momentarily, in case the
- *              parent method exits.)
- *
- ******************************************************************************/
-void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state)
-{
-	ACPI_FUNCTION_NAME(ds_clear_implicit_return);
-
-	/*
-	 * Slack must be enabled for this feature
-	 */
-	if (!acpi_gbl_enable_interpreter_slack) {
-		return;
-	}
-
-	if (walk_state->implicit_return_obj) {
-		/*
-		 * Delete any "stale" implicit return. However, in
-		 * complex statements, the implicit return value can be
-		 * bubbled up several levels.
-		 */
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "Removing reference on stale implicit return obj %p\n",
-				  walk_state->implicit_return_obj));
-
-		acpi_ut_remove_reference(walk_state->implicit_return_obj);
-		walk_state->implicit_return_obj = NULL;
-	}
-}
-
-#ifndef ACPI_NO_METHOD_EXECUTION
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_do_implicit_return
- *
- * PARAMETERS:  return_desc         - The return value
- *              walk_state          - Current State
- *              add_reference       - True if a reference should be added to the
- *                                    return object
- *
- * RETURN:      TRUE if implicit return enabled, FALSE otherwise
- *
- * DESCRIPTION: Implements the optional "implicit return".  We save the result
- *              of every ASL operator and control method invocation in case the
- *              parent method exit.  Before storing a new return value, we
- *              delete the previous return value.
- *
- ******************************************************************************/
-
-u8
-acpi_ds_do_implicit_return(union acpi_operand_object *return_desc,
-			   struct acpi_walk_state *walk_state, u8 add_reference)
-{
-	ACPI_FUNCTION_NAME(ds_do_implicit_return);
-
-	/*
-	 * Slack must be enabled for this feature, and we must
-	 * have a valid return object
-	 */
-	if ((!acpi_gbl_enable_interpreter_slack) || (!return_desc)) {
-		return (FALSE);
-	}
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "Result %p will be implicitly returned; Prev=%p\n",
-			  return_desc, walk_state->implicit_return_obj));
-
-	/*
-	 * Delete any "stale" implicit return value first. However, in
-	 * complex statements, the implicit return value can be
-	 * bubbled up several levels, so we don't clear the value if it
-	 * is the same as the return_desc.
-	 */
-	if (walk_state->implicit_return_obj) {
-		if (walk_state->implicit_return_obj == return_desc) {
-			return (TRUE);
-		}
-		acpi_ds_clear_implicit_return(walk_state);
-	}
-
-	/* Save the implicit return value, add a reference if requested */
-
-	walk_state->implicit_return_obj = return_desc;
-	if (add_reference) {
-		acpi_ut_add_reference(return_desc);
-	}
-
-	return (TRUE);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_is_result_used
- *
- * PARAMETERS:  Op                  - Current Op
- *              walk_state          - Current State
- *
- * RETURN:      TRUE if result is used, FALSE otherwise
- *
- * DESCRIPTION: Check if a result object will be used by the parent
- *
- ******************************************************************************/
-
-u8
-acpi_ds_is_result_used(union acpi_parse_object * op,
-		       struct acpi_walk_state * walk_state)
-{
-	const struct acpi_opcode_info *parent_info;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_is_result_used, op);
-
-	/* Must have both an Op and a Result Object */
-
-	if (!op) {
-		ACPI_ERROR((AE_INFO, "Null Op"));
-		return_UINT8(TRUE);
-	}
-
-	/*
-	 * We know that this operator is not a
-	 * Return() operator (would not come here.) The following code is the
-	 * optional support for a so-called "implicit return". Some AML code
-	 * assumes that the last value of the method is "implicitly" returned
-	 * to the caller. Just save the last result as the return value.
-	 * NOTE: this is optional because the ASL language does not actually
-	 * support this behavior.
-	 */
-	(void)acpi_ds_do_implicit_return(walk_state->result_obj, walk_state,
-					 TRUE);
-
-	/*
-	 * Now determine if the parent will use the result
-	 *
-	 * If there is no parent, or the parent is a scope_op, we are executing
-	 * at the method level. An executing method typically has no parent,
-	 * since each method is parsed separately.  A method invoked externally
-	 * via execute_control_method has a scope_op as the parent.
-	 */
-	if ((!op->common.parent) ||
-	    (op->common.parent->common.aml_opcode == AML_SCOPE_OP)) {
-
-		/* No parent, the return value cannot possibly be used */
-
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "At Method level, result of [%s] not used\n",
-				  acpi_ps_get_opcode_name(op->common.
-							  aml_opcode)));
-		return_UINT8(FALSE);
-	}
-
-	/* Get info on the parent. The root_op is AML_SCOPE */
-
-	parent_info =
-	    acpi_ps_get_opcode_info(op->common.parent->common.aml_opcode);
-	if (parent_info->class == AML_CLASS_UNKNOWN) {
-		ACPI_ERROR((AE_INFO, "Unknown parent opcode Op=%p", op));
-		return_UINT8(FALSE);
-	}
-
-	/*
-	 * Decide what to do with the result based on the parent.  If
-	 * the parent opcode will not use the result, delete the object.
-	 * Otherwise leave it as is, it will be deleted when it is used
-	 * as an operand later.
-	 */
-	switch (parent_info->class) {
-	case AML_CLASS_CONTROL:
-
-		switch (op->common.parent->common.aml_opcode) {
-		case AML_RETURN_OP:
-
-			/* Never delete the return value associated with a return opcode */
-
-			goto result_used;
-
-		case AML_IF_OP:
-		case AML_WHILE_OP:
-
-			/*
-			 * If we are executing the predicate AND this is the predicate op,
-			 * we will use the return value
-			 */
-			if ((walk_state->control_state->common.state ==
-			     ACPI_CONTROL_PREDICATE_EXECUTING)
-			    && (walk_state->control_state->control.
-				predicate_op == op)) {
-				goto result_used;
-			}
-			break;
-
-		default:
-			/* Ignore other control opcodes */
-			break;
-		}
-
-		/* The general control opcode returns no result */
-
-		goto result_not_used;
-
-	case AML_CLASS_CREATE:
-
-		/*
-		 * These opcodes allow term_arg(s) as operands and therefore
-		 * the operands can be method calls.  The result is used.
-		 */
-		goto result_used;
-
-	case AML_CLASS_NAMED_OBJECT:
-
-		if ((op->common.parent->common.aml_opcode == AML_REGION_OP) ||
-		    (op->common.parent->common.aml_opcode == AML_DATA_REGION_OP)
-		    || (op->common.parent->common.aml_opcode == AML_PACKAGE_OP)
-		    || (op->common.parent->common.aml_opcode ==
-			AML_VAR_PACKAGE_OP)
-		    || (op->common.parent->common.aml_opcode == AML_BUFFER_OP)
-		    || (op->common.parent->common.aml_opcode ==
-			AML_INT_EVAL_SUBTREE_OP)
-		    || (op->common.parent->common.aml_opcode ==
-			AML_BANK_FIELD_OP)) {
-			/*
-			 * These opcodes allow term_arg(s) as operands and therefore
-			 * the operands can be method calls.  The result is used.
-			 */
-			goto result_used;
-		}
-
-		goto result_not_used;
-
-	default:
-
-		/*
-		 * In all other cases. the parent will actually use the return
-		 * object, so keep it.
-		 */
-		goto result_used;
-	}
-
-      result_used:
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "Result of [%s] used by Parent [%s] Op=%p\n",
-			  acpi_ps_get_opcode_name(op->common.aml_opcode),
-			  acpi_ps_get_opcode_name(op->common.parent->common.
-						  aml_opcode), op));
-
-	return_UINT8(TRUE);
-
-      result_not_used:
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "Result of [%s] not used by Parent [%s] Op=%p\n",
-			  acpi_ps_get_opcode_name(op->common.aml_opcode),
-			  acpi_ps_get_opcode_name(op->common.parent->common.
-						  aml_opcode), op));
-
-	return_UINT8(FALSE);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_delete_result_if_not_used
- *
- * PARAMETERS:  Op              - Current parse Op
- *              result_obj      - Result of the operation
- *              walk_state      - Current state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Used after interpretation of an opcode.  If there is an internal
- *              result descriptor, check if the parent opcode will actually use
- *              this result.  If not, delete the result now so that it will
- *              not become orphaned.
- *
- ******************************************************************************/
-
-void
-acpi_ds_delete_result_if_not_used(union acpi_parse_object *op,
-				  union acpi_operand_object *result_obj,
-				  struct acpi_walk_state *walk_state)
-{
-	union acpi_operand_object *obj_desc;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_delete_result_if_not_used, result_obj);
-
-	if (!op) {
-		ACPI_ERROR((AE_INFO, "Null Op"));
-		return_VOID;
-	}
-
-	if (!result_obj) {
-		return_VOID;
-	}
-
-	if (!acpi_ds_is_result_used(op, walk_state)) {
-
-		/* Must pop the result stack (obj_desc should be equal to result_obj) */
-
-		status = acpi_ds_result_pop(&obj_desc, walk_state);
-		if (ACPI_SUCCESS(status)) {
-			acpi_ut_remove_reference(result_obj);
-		}
-	}
-
-	return_VOID;
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_resolve_operands
- *
- * PARAMETERS:  walk_state          - Current walk state with operands on stack
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Resolve all operands to their values.  Used to prepare
- *              arguments to a control method invocation (a call from one
- *              method to another.)
- *
- ******************************************************************************/
-
-acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state)
-{
-	u32 i;
-	acpi_status status = AE_OK;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_resolve_operands, walk_state);
-
-	/*
-	 * Attempt to resolve each of the valid operands
-	 * Method arguments are passed by reference, not by value.  This means
-	 * that the actual objects are passed, not copies of the objects.
-	 */
-	for (i = 0; i < walk_state->num_operands; i++) {
-		status =
-		    acpi_ex_resolve_to_value(&walk_state->operands[i],
-					     walk_state);
-		if (ACPI_FAILURE(status)) {
-			break;
-		}
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_clear_operands
- *
- * PARAMETERS:  walk_state          - Current walk state with operands on stack
- *
- * RETURN:      None
- *
- * DESCRIPTION: Clear all operands on the current walk state operand stack.
- *
- ******************************************************************************/
-
-void acpi_ds_clear_operands(struct acpi_walk_state *walk_state)
-{
-	u32 i;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_clear_operands, walk_state);
-
-	/* Remove a reference on each operand on the stack */
-
-	for (i = 0; i < walk_state->num_operands; i++) {
-		/*
-		 * Remove a reference to all operands, including both
-		 * "Arguments" and "Targets".
-		 */
-		acpi_ut_remove_reference(walk_state->operands[i]);
-		walk_state->operands[i] = NULL;
-	}
-
-	walk_state->num_operands = 0;
-	return_VOID;
-}
-#endif
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_create_operand
- *
- * PARAMETERS:  walk_state      - Current walk state
- *              Arg             - Parse object for the argument
- *              arg_index       - Which argument (zero based)
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Translate a parse tree object that is an argument to an AML
- *              opcode to the equivalent interpreter object.  This may include
- *              looking up a name or entering a new name into the internal
- *              namespace.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_create_operand(struct acpi_walk_state *walk_state,
-		       union acpi_parse_object *arg, u32 arg_index)
-{
-	acpi_status status = AE_OK;
-	char *name_string;
-	u32 name_length;
-	union acpi_operand_object *obj_desc;
-	union acpi_parse_object *parent_op;
-	u16 opcode;
-	acpi_interpreter_mode interpreter_mode;
-	const struct acpi_opcode_info *op_info;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_create_operand, arg);
-
-	/* A valid name must be looked up in the namespace */
-
-	if ((arg->common.aml_opcode == AML_INT_NAMEPATH_OP) &&
-	    (arg->common.value.string) &&
-	    !(arg->common.flags & ACPI_PARSEOP_IN_STACK)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Getting a name: Arg=%p\n",
-				  arg));
-
-		/* Get the entire name string from the AML stream */
-
-		status =
-		    acpi_ex_get_name_string(ACPI_TYPE_ANY,
-					    arg->common.value.buffer,
-					    &name_string, &name_length);
-
-		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
-		}
-
-		/* All prefixes have been handled, and the name is in name_string */
-
-		/*
-		 * Special handling for buffer_field declarations. This is a deferred
-		 * opcode that unfortunately defines the field name as the last
-		 * parameter instead of the first.  We get here when we are performing
-		 * the deferred execution, so the actual name of the field is already
-		 * in the namespace.  We don't want to attempt to look it up again
-		 * because we may be executing in a different scope than where the
-		 * actual opcode exists.
-		 */
-		if ((walk_state->deferred_node) &&
-		    (walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD)
-		    && (arg_index ==
-			(u32) ((walk_state->opcode ==
-				AML_CREATE_FIELD_OP) ? 3 : 2))) {
-			obj_desc =
-			    ACPI_CAST_PTR(union acpi_operand_object,
-					  walk_state->deferred_node);
-			status = AE_OK;
-		} else {	/* All other opcodes */
-
-			/*
-			 * Differentiate between a namespace "create" operation
-			 * versus a "lookup" operation (IMODE_LOAD_PASS2 vs.
-			 * IMODE_EXECUTE) in order to support the creation of
-			 * namespace objects during the execution of control methods.
-			 */
-			parent_op = arg->common.parent;
-			op_info =
-			    acpi_ps_get_opcode_info(parent_op->common.
-						    aml_opcode);
-			if ((op_info->flags & AML_NSNODE)
-			    && (parent_op->common.aml_opcode !=
-				AML_INT_METHODCALL_OP)
-			    && (parent_op->common.aml_opcode != AML_REGION_OP)
-			    && (parent_op->common.aml_opcode !=
-				AML_INT_NAMEPATH_OP)) {
-
-				/* Enter name into namespace if not found */
-
-				interpreter_mode = ACPI_IMODE_LOAD_PASS2;
-			} else {
-				/* Return a failure if name not found */
-
-				interpreter_mode = ACPI_IMODE_EXECUTE;
-			}
-
-			status =
-			    acpi_ns_lookup(walk_state->scope_info, name_string,
-					   ACPI_TYPE_ANY, interpreter_mode,
-					   ACPI_NS_SEARCH_PARENT |
-					   ACPI_NS_DONT_OPEN_SCOPE, walk_state,
-					   ACPI_CAST_INDIRECT_PTR(struct
-								  acpi_namespace_node,
-								  &obj_desc));
-			/*
-			 * The only case where we pass through (ignore) a NOT_FOUND
-			 * error is for the cond_ref_of opcode.
-			 */
-			if (status == AE_NOT_FOUND) {
-				if (parent_op->common.aml_opcode ==
-				    AML_COND_REF_OF_OP) {
-					/*
-					 * For the Conditional Reference op, it's OK if
-					 * the name is not found;  We just need a way to
-					 * indicate this to the interpreter, set the
-					 * object to the root
-					 */
-					obj_desc = ACPI_CAST_PTR(union
-								 acpi_operand_object,
-								 acpi_gbl_root_node);
-					status = AE_OK;
-				} else {
-					/*
-					 * We just plain didn't find it -- which is a
-					 * very serious error at this point
-					 */
-					status = AE_AML_NAME_NOT_FOUND;
-				}
-			}
-
-			if (ACPI_FAILURE(status)) {
-				ACPI_ERROR_NAMESPACE(name_string, status);
-			}
-		}
-
-		/* Free the namestring created above */
-
-		ACPI_FREE(name_string);
-
-		/* Check status from the lookup */
-
-		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
-		}
-
-		/* Put the resulting object onto the current object stack */
-
-		status = acpi_ds_obj_stack_push(obj_desc, walk_state);
-		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
-		}
-		ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object
-				   (obj_desc, walk_state));
-	} else {
-		/* Check for null name case */
-
-		if ((arg->common.aml_opcode == AML_INT_NAMEPATH_OP) &&
-		    !(arg->common.flags & ACPI_PARSEOP_IN_STACK)) {
-			/*
-			 * If the name is null, this means that this is an
-			 * optional result parameter that was not specified
-			 * in the original ASL.  Create a Zero Constant for a
-			 * placeholder.  (Store to a constant is a Noop.)
-			 */
-			opcode = AML_ZERO_OP;	/* Has no arguments! */
-
-			ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-					  "Null namepath: Arg=%p\n", arg));
-		} else {
-			opcode = arg->common.aml_opcode;
-		}
-
-		/* Get the object type of the argument */
-
-		op_info = acpi_ps_get_opcode_info(opcode);
-		if (op_info->object_type == ACPI_TYPE_INVALID) {
-			return_ACPI_STATUS(AE_NOT_IMPLEMENTED);
-		}
-
-		if ((op_info->flags & AML_HAS_RETVAL)
-		    || (arg->common.flags & ACPI_PARSEOP_IN_STACK)) {
-			ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-					  "Argument previously created, already stacked\n"));
-
-			ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object
-					   (walk_state->
-					    operands[walk_state->num_operands -
-						     1], walk_state));
-
-			/*
-			 * Use value that was already previously returned
-			 * by the evaluation of this argument
-			 */
-			status = acpi_ds_result_pop(&obj_desc, walk_state);
-			if (ACPI_FAILURE(status)) {
-				/*
-				 * Only error is underflow, and this indicates
-				 * a missing or null operand!
-				 */
-				ACPI_EXCEPTION((AE_INFO, status,
-						"Missing or null operand"));
-				return_ACPI_STATUS(status);
-			}
-		} else {
-			/* Create an ACPI_INTERNAL_OBJECT for the argument */
-
-			obj_desc =
-			    acpi_ut_create_internal_object(op_info->
-							   object_type);
-			if (!obj_desc) {
-				return_ACPI_STATUS(AE_NO_MEMORY);
-			}
-
-			/* Initialize the new object */
-
-			status =
-			    acpi_ds_init_object_from_op(walk_state, arg, opcode,
-							&obj_desc);
-			if (ACPI_FAILURE(status)) {
-				acpi_ut_delete_object_desc(obj_desc);
-				return_ACPI_STATUS(status);
-			}
-		}
-
-		/* Put the operand object on the object stack */
-
-		status = acpi_ds_obj_stack_push(obj_desc, walk_state);
-		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
-		}
-
-		ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object
-				   (obj_desc, walk_state));
-	}
-
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_create_operands
- *
- * PARAMETERS:  walk_state          - Current state
- *              first_arg           - First argument of a parser argument tree
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Convert an operator's arguments from a parse tree format to
- *              namespace objects and place those argument object on the object
- *              stack in preparation for evaluation by the interpreter.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_create_operands(struct acpi_walk_state *walk_state,
-			union acpi_parse_object *first_arg)
-{
-	acpi_status status = AE_OK;
-	union acpi_parse_object *arg;
-	union acpi_parse_object *arguments[ACPI_OBJ_NUM_OPERANDS];
-	u32 arg_count = 0;
-	u32 index = walk_state->num_operands;
-	u32 i;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_create_operands, first_arg);
-
-	/* Get all arguments in the list */
-
-	arg = first_arg;
-	while (arg) {
-		if (index >= ACPI_OBJ_NUM_OPERANDS) {
-			return_ACPI_STATUS(AE_BAD_DATA);
-		}
-
-		arguments[index] = arg;
-		walk_state->operands[index] = NULL;
-
-		/* Move on to next argument, if any */
-
-		arg = arg->common.next;
-		arg_count++;
-		index++;
-	}
-
-	index--;
-
-	/* It is the appropriate order to get objects from the Result stack */
-
-	for (i = 0; i < arg_count; i++) {
-		arg = arguments[index];
-
-		/* Force the filling of the operand stack in inverse order */
-
-		walk_state->operand_index = (u8) index;
-
-		status = acpi_ds_create_operand(walk_state, arg, index);
-		if (ACPI_FAILURE(status)) {
-			goto cleanup;
-		}
-
-		index--;
-
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "Arg #%d (%p) done, Arg1=%p\n", index, arg,
-				  first_arg));
-	}
-
-	return_ACPI_STATUS(status);
-
-      cleanup:
-	/*
-	 * We must undo everything done above; meaning that we must
-	 * pop everything off of the operand stack and delete those
-	 * objects
-	 */
-	acpi_ds_obj_stack_pop_and_delete(arg_count, walk_state);
-
-	ACPI_EXCEPTION((AE_INFO, status, "While creating Arg %d", index));
-	return_ACPI_STATUS(status);
-}
-
-/*****************************************************************************
- *
- * FUNCTION:    acpi_ds_evaluate_name_path
- *
- * PARAMETERS:  walk_state      - Current state of the parse tree walk,
- *                                the opcode of current operation should be
- *                                AML_INT_NAMEPATH_OP
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Translate the -name_path- parse tree object to the equivalent
- *              interpreter object, convert it to value, if needed, duplicate
- *              it, if needed, and push it onto the current result stack.
- *
- ****************************************************************************/
-
-acpi_status acpi_ds_evaluate_name_path(struct acpi_walk_state *walk_state)
-{
-	acpi_status status = AE_OK;
-	union acpi_parse_object *op = walk_state->op;
-	union acpi_operand_object **operand = &walk_state->operands[0];
-	union acpi_operand_object *new_obj_desc;
-	u8 type;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_evaluate_name_path, walk_state);
-
-	if (!op->common.parent) {
-
-		/* This happens after certain exception processing */
-
-		goto exit;
-	}
-
-	if ((op->common.parent->common.aml_opcode == AML_PACKAGE_OP) ||
-	    (op->common.parent->common.aml_opcode == AML_VAR_PACKAGE_OP) ||
-	    (op->common.parent->common.aml_opcode == AML_REF_OF_OP)) {
-
-		/* TBD: Should we specify this feature as a bit of op_info->Flags of these opcodes? */
-
-		goto exit;
-	}
-
-	status = acpi_ds_create_operand(walk_state, op, 0);
-	if (ACPI_FAILURE(status)) {
-		goto exit;
-	}
-
-	if (op->common.flags & ACPI_PARSEOP_TARGET) {
-		new_obj_desc = *operand;
-		goto push_result;
-	}
-
-	type = ACPI_GET_OBJECT_TYPE(*operand);
-
-	status = acpi_ex_resolve_to_value(operand, walk_state);
-	if (ACPI_FAILURE(status)) {
-		goto exit;
-	}
-
-	if (type == ACPI_TYPE_INTEGER) {
-
-		/* It was incremented by acpi_ex_resolve_to_value */
-
-		acpi_ut_remove_reference(*operand);
-
-		status =
-		    acpi_ut_copy_iobject_to_iobject(*operand, &new_obj_desc,
-						    walk_state);
-		if (ACPI_FAILURE(status)) {
-			goto exit;
-		}
-	} else {
-		/*
-		 * The object either was anew created or is
-		 * a Namespace node - don't decrement it.
-		 */
-		new_obj_desc = *operand;
-	}
-
-	/* Cleanup for name-path operand */
-
-	status = acpi_ds_obj_stack_pop(1, walk_state);
-	if (ACPI_FAILURE(status)) {
-		walk_state->result_obj = new_obj_desc;
-		goto exit;
-	}
-
-      push_result:
-
-	walk_state->result_obj = new_obj_desc;
-
-	status = acpi_ds_result_push(walk_state->result_obj, walk_state);
-	if (ACPI_SUCCESS(status)) {
-
-		/* Force to take it from stack */
-
-		op->common.flags |= ACPI_PARSEOP_IN_STACK;
-	}
-
-      exit:
-
-	return_ACPI_STATUS(status);
-}
diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c
deleted file mode 100644
index 2482cbd37f25..000000000000
--- a/drivers/acpi/dispatcher/dswexec.c
+++ /dev/null
@@ -1,746 +0,0 @@
-/******************************************************************************
- *
- * Module Name: dswexec - Dispatcher method execution callbacks;
- *                        dispatch to interpreter.
- *
- *****************************************************************************/
-
-/*
- * 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/acparser.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acdebug.h>
-
-#define _COMPONENT          ACPI_DISPATCHER
-ACPI_MODULE_NAME("dswexec")
-
-/*
- * Dispatch table for opcode classes
- */
-static ACPI_EXECUTE_OP acpi_gbl_op_type_dispatch[] = {
-	acpi_ex_opcode_0A_0T_1R,
-	acpi_ex_opcode_1A_0T_0R,
-	acpi_ex_opcode_1A_0T_1R,
-	acpi_ex_opcode_1A_1T_0R,
-	acpi_ex_opcode_1A_1T_1R,
-	acpi_ex_opcode_2A_0T_0R,
-	acpi_ex_opcode_2A_0T_1R,
-	acpi_ex_opcode_2A_1T_1R,
-	acpi_ex_opcode_2A_2T_1R,
-	acpi_ex_opcode_3A_0T_0R,
-	acpi_ex_opcode_3A_1T_1R,
-	acpi_ex_opcode_6A_0T_1R
-};
-
-/*****************************************************************************
- *
- * FUNCTION:    acpi_ds_get_predicate_value
- *
- * PARAMETERS:  walk_state      - Current state of the parse tree walk
- *              result_obj      - if non-zero, pop result from result stack
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Get the result of a predicate evaluation
- *
- ****************************************************************************/
-
-acpi_status
-acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
-			    union acpi_operand_object *result_obj)
-{
-	acpi_status status = AE_OK;
-	union acpi_operand_object *obj_desc;
-	union acpi_operand_object *local_obj_desc = NULL;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_get_predicate_value, walk_state);
-
-	walk_state->control_state->common.state = 0;
-
-	if (result_obj) {
-		status = acpi_ds_result_pop(&obj_desc, walk_state);
-		if (ACPI_FAILURE(status)) {
-			ACPI_EXCEPTION((AE_INFO, status,
-					"Could not get result from predicate evaluation"));
-
-			return_ACPI_STATUS(status);
-		}
-	} else {
-		status = acpi_ds_create_operand(walk_state, walk_state->op, 0);
-		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
-		}
-
-		status =
-		    acpi_ex_resolve_to_value(&walk_state->operands[0],
-					     walk_state);
-		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
-		}
-
-		obj_desc = walk_state->operands[0];
-	}
-
-	if (!obj_desc) {
-		ACPI_ERROR((AE_INFO,
-			    "No predicate ObjDesc=%p State=%p",
-			    obj_desc, walk_state));
-
-		return_ACPI_STATUS(AE_AML_NO_OPERAND);
-	}
-
-	/*
-	 * Result of predicate evaluation must be an Integer
-	 * object. Implicitly convert the argument if necessary.
-	 */
-	status = acpi_ex_convert_to_integer(obj_desc, &local_obj_desc, 16);
-	if (ACPI_FAILURE(status)) {
-		goto cleanup;
-	}
-
-	if (ACPI_GET_OBJECT_TYPE(local_obj_desc) != ACPI_TYPE_INTEGER) {
-		ACPI_ERROR((AE_INFO,
-			    "Bad predicate (not an integer) ObjDesc=%p State=%p Type=%X",
-			    obj_desc, walk_state,
-			    ACPI_GET_OBJECT_TYPE(obj_desc)));
-
-		status = AE_AML_OPERAND_TYPE;
-		goto cleanup;
-	}
-
-	/* Truncate the predicate to 32-bits if necessary */
-
-	acpi_ex_truncate_for32bit_table(local_obj_desc);
-
-	/*
-	 * Save the result of the predicate evaluation on
-	 * the control stack
-	 */
-	if (local_obj_desc->integer.value) {
-		walk_state->control_state->common.value = TRUE;
-	} else {
-		/*
-		 * Predicate is FALSE, we will just toss the
-		 * rest of the package
-		 */
-		walk_state->control_state->common.value = FALSE;
-		status = AE_CTRL_FALSE;
-	}
-
-	/* Predicate can be used for an implicit return value */
-
-	(void)acpi_ds_do_implicit_return(local_obj_desc, walk_state, TRUE);
-
-      cleanup:
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Completed a predicate eval=%X Op=%p\n",
-			  walk_state->control_state->common.value,
-			  walk_state->op));
-
-	/* Break to debugger to display result */
-
-	ACPI_DEBUGGER_EXEC(acpi_db_display_result_object
-			   (local_obj_desc, walk_state));
-
-	/*
-	 * Delete the predicate result object (we know that
-	 * we don't need it anymore)
-	 */
-	if (local_obj_desc != obj_desc) {
-		acpi_ut_remove_reference(local_obj_desc);
-	}
-	acpi_ut_remove_reference(obj_desc);
-
-	walk_state->control_state->common.state = ACPI_CONTROL_NORMAL;
-	return_ACPI_STATUS(status);
-}
-
-/*****************************************************************************
- *
- * FUNCTION:    acpi_ds_exec_begin_op
- *
- * PARAMETERS:  walk_state      - Current state of the parse tree walk
- *              out_op          - Where to return op if a new one is created
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Descending callback used during the execution of control
- *              methods.  This is where most operators and operands are
- *              dispatched to the interpreter.
- *
- ****************************************************************************/
-
-acpi_status
-acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
-		      union acpi_parse_object **out_op)
-{
-	union acpi_parse_object *op;
-	acpi_status status = AE_OK;
-	u32 opcode_class;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_exec_begin_op, walk_state);
-
-	op = walk_state->op;
-	if (!op) {
-		status = acpi_ds_load2_begin_op(walk_state, out_op);
-		if (ACPI_FAILURE(status)) {
-			goto error_exit;
-		}
-
-		op = *out_op;
-		walk_state->op = op;
-		walk_state->opcode = op->common.aml_opcode;
-		walk_state->op_info =
-		    acpi_ps_get_opcode_info(op->common.aml_opcode);
-
-		if (acpi_ns_opens_scope(walk_state->op_info->object_type)) {
-			ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-					  "(%s) Popping scope for Op %p\n",
-					  acpi_ut_get_type_name(walk_state->
-								op_info->
-								object_type),
-					  op));
-
-			status = acpi_ds_scope_stack_pop(walk_state);
-			if (ACPI_FAILURE(status)) {
-				goto error_exit;
-			}
-		}
-	}
-
-	if (op == walk_state->origin) {
-		if (out_op) {
-			*out_op = op;
-		}
-
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	/*
-	 * If the previous opcode was a conditional, this opcode
-	 * must be the beginning of the associated predicate.
-	 * Save this knowledge in the current scope descriptor
-	 */
-	if ((walk_state->control_state) &&
-	    (walk_state->control_state->common.state ==
-	     ACPI_CONTROL_CONDITIONAL_EXECUTING)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-				  "Exec predicate Op=%p State=%p\n", op,
-				  walk_state));
-
-		walk_state->control_state->common.state =
-		    ACPI_CONTROL_PREDICATE_EXECUTING;
-
-		/* Save start of predicate */
-
-		walk_state->control_state->control.predicate_op = op;
-	}
-
-	opcode_class = walk_state->op_info->class;
-
-	/* We want to send namepaths to the load code */
-
-	if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) {
-		opcode_class = AML_CLASS_NAMED_OBJECT;
-	}
-
-	/*
-	 * Handle the opcode based upon the opcode type
-	 */
-	switch (opcode_class) {
-	case AML_CLASS_CONTROL:
-
-		status = acpi_ds_exec_begin_control_op(walk_state, op);
-		break;
-
-	case AML_CLASS_NAMED_OBJECT:
-
-		if (walk_state->walk_type & ACPI_WALK_METHOD) {
-			/*
-			 * Found a named object declaration during method execution;
-			 * we must enter this object into the namespace.  The created
-			 * object is temporary and will be deleted upon completion of
-			 * the execution of this method.
-			 */
-			status = acpi_ds_load2_begin_op(walk_state, NULL);
-		}
-
-		break;
-
-	case AML_CLASS_EXECUTE:
-	case AML_CLASS_CREATE:
-
-		break;
-
-	default:
-		break;
-	}
-
-	/* Nothing to do here during method execution */
-
-	return_ACPI_STATUS(status);
-
-      error_exit:
-	status = acpi_ds_method_error(status, walk_state);
-	return_ACPI_STATUS(status);
-}
-
-/*****************************************************************************
- *
- * FUNCTION:    acpi_ds_exec_end_op
- *
- * PARAMETERS:  walk_state      - Current state of the parse tree walk
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Ascending callback used during the execution of control
- *              methods.  The only thing we really need to do here is to
- *              notice the beginning of IF, ELSE, and WHILE blocks.
- *
- ****************************************************************************/
-
-acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
-{
-	union acpi_parse_object *op;
-	acpi_status status = AE_OK;
-	u32 op_type;
-	u32 op_class;
-	union acpi_parse_object *next_op;
-	union acpi_parse_object *first_arg;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_exec_end_op, walk_state);
-
-	op = walk_state->op;
-	op_type = walk_state->op_info->type;
-	op_class = walk_state->op_info->class;
-
-	if (op_class == AML_CLASS_UNKNOWN) {
-		ACPI_ERROR((AE_INFO, "Unknown opcode %X",
-			    op->common.aml_opcode));
-		return_ACPI_STATUS(AE_NOT_IMPLEMENTED);
-	}
-
-	first_arg = op->common.value.arg;
-
-	/* Init the walk state */
-
-	walk_state->num_operands = 0;
-	walk_state->operand_index = 0;
-	walk_state->return_desc = NULL;
-	walk_state->result_obj = NULL;
-
-	/* Call debugger for single step support (DEBUG build only) */
-
-	ACPI_DEBUGGER_EXEC(status =
-			   acpi_db_single_step(walk_state, op, op_class));
-	ACPI_DEBUGGER_EXEC(if (ACPI_FAILURE(status)) {
-			   return_ACPI_STATUS(status);}
-	) ;
-
-	/* Decode the Opcode Class */
-
-	switch (op_class) {
-	case AML_CLASS_ARGUMENT:	/* Constants, literals, etc. */
-
-		if (walk_state->opcode == AML_INT_NAMEPATH_OP) {
-			status = acpi_ds_evaluate_name_path(walk_state);
-			if (ACPI_FAILURE(status)) {
-				goto cleanup;
-			}
-		}
-		break;
-
-	case AML_CLASS_EXECUTE:	/* Most operators with arguments */
-
-		/* Build resolved operand stack */
-
-		status = acpi_ds_create_operands(walk_state, first_arg);
-		if (ACPI_FAILURE(status)) {
-			goto cleanup;
-		}
-
-		/*
-		 * All opcodes require operand resolution, with the only exceptions
-		 * being the object_type and size_of operators.
-		 */
-		if (!(walk_state->op_info->flags & AML_NO_OPERAND_RESOLVE)) {
-
-			/* Resolve all operands */
-
-			status = acpi_ex_resolve_operands(walk_state->opcode,
-							  &(walk_state->
-							    operands
-							    [walk_state->
-							     num_operands - 1]),
-							  walk_state);
-		}
-
-		if (ACPI_SUCCESS(status)) {
-			/*
-			 * Dispatch the request to the appropriate interpreter handler
-			 * routine.  There is one routine per opcode "type" based upon the
-			 * number of opcode arguments and return type.
-			 */
-			status =
-			    acpi_gbl_op_type_dispatch[op_type] (walk_state);
-		} else {
-			/*
-			 * Treat constructs of the form "Store(LocalX,LocalX)" as noops when the
-			 * Local is uninitialized.
-			 */
-			if ((status == AE_AML_UNINITIALIZED_LOCAL) &&
-			    (walk_state->opcode == AML_STORE_OP) &&
-			    (walk_state->operands[0]->common.type ==
-			     ACPI_TYPE_LOCAL_REFERENCE)
-			    && (walk_state->operands[1]->common.type ==
-				ACPI_TYPE_LOCAL_REFERENCE)
-			    && (walk_state->operands[0]->reference.class ==
-				walk_state->operands[1]->reference.class)
-			    && (walk_state->operands[0]->reference.value ==
-				walk_state->operands[1]->reference.value)) {
-				status = AE_OK;
-			} else {
-				ACPI_EXCEPTION((AE_INFO, status,
-						"While resolving operands for [%s]",
-						acpi_ps_get_opcode_name
-						(walk_state->opcode)));
-			}
-		}
-
-		/* Always delete the argument objects and clear the operand stack */
-
-		acpi_ds_clear_operands(walk_state);
-
-		/*
-		 * If a result object was returned from above, push it on the
-		 * current result stack
-		 */
-		if (ACPI_SUCCESS(status) && walk_state->result_obj) {
-			status =
-			    acpi_ds_result_push(walk_state->result_obj,
-						walk_state);
-		}
-		break;
-
-	default:
-
-		switch (op_type) {
-		case AML_TYPE_CONTROL:	/* Type 1 opcode, IF/ELSE/WHILE/NOOP */
-
-			/* 1 Operand, 0 external_result, 0 internal_result */
-
-			status = acpi_ds_exec_end_control_op(walk_state, op);
-
-			break;
-
-		case AML_TYPE_METHOD_CALL:
-
-			/*
-			 * If the method is referenced from within a package
-			 * declaration, it is not a invocation of the method, just
-			 * a reference to it.
-			 */
-			if ((op->asl.parent) &&
-			    ((op->asl.parent->asl.aml_opcode == AML_PACKAGE_OP)
-			     || (op->asl.parent->asl.aml_opcode ==
-				 AML_VAR_PACKAGE_OP))) {
-				ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-						  "Method Reference in a Package, Op=%p\n",
-						  op));
-
-				op->common.node =
-				    (struct acpi_namespace_node *)op->asl.value.
-				    arg->asl.node;
-				acpi_ut_add_reference(op->asl.value.arg->asl.
-						      node->object);
-				return_ACPI_STATUS(AE_OK);
-			}
-
-			ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-					  "Method invocation, Op=%p\n", op));
-
-			/*
-			 * (AML_METHODCALL) Op->Asl.Value.Arg->Asl.Node contains
-			 * the method Node pointer
-			 */
-			/* next_op points to the op that holds the method name */
-
-			next_op = first_arg;
-
-			/* next_op points to first argument op */
-
-			next_op = next_op->common.next;
-
-			/*
-			 * Get the method's arguments and put them on the operand stack
-			 */
-			status = acpi_ds_create_operands(walk_state, next_op);
-			if (ACPI_FAILURE(status)) {
-				break;
-			}
-
-			/*
-			 * Since the operands will be passed to another control method,
-			 * we must resolve all local references here (Local variables,
-			 * arguments to *this* method, etc.)
-			 */
-			status = acpi_ds_resolve_operands(walk_state);
-			if (ACPI_FAILURE(status)) {
-
-				/* On error, clear all resolved operands */
-
-				acpi_ds_clear_operands(walk_state);
-				break;
-			}
-
-			/*
-			 * Tell the walk loop to preempt this running method and
-			 * execute the new method
-			 */
-			status = AE_CTRL_TRANSFER;
-
-			/*
-			 * Return now; we don't want to disturb anything,
-			 * especially the operand count!
-			 */
-			return_ACPI_STATUS(status);
-
-		case AML_TYPE_CREATE_FIELD:
-
-			ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-					  "Executing CreateField Buffer/Index Op=%p\n",
-					  op));
-
-			status = acpi_ds_load2_end_op(walk_state);
-			if (ACPI_FAILURE(status)) {
-				break;
-			}
-
-			status =
-			    acpi_ds_eval_buffer_field_operands(walk_state, op);
-			break;
-
-		case AML_TYPE_CREATE_OBJECT:
-
-			ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-					  "Executing CreateObject (Buffer/Package) Op=%p\n",
-					  op));
-
-			switch (op->common.parent->common.aml_opcode) {
-			case AML_NAME_OP:
-
-				/*
-				 * Put the Node on the object stack (Contains the ACPI Name
-				 * of this object)
-				 */
-				walk_state->operands[0] =
-				    (void *)op->common.parent->common.node;
-				walk_state->num_operands = 1;
-
-				status = acpi_ds_create_node(walk_state,
-							     op->common.parent->
-							     common.node,
-							     op->common.parent);
-				if (ACPI_FAILURE(status)) {
-					break;
-				}
-
-				/* Fall through */
-				/*lint -fallthrough */
-
-			case AML_INT_EVAL_SUBTREE_OP:
-
-				status =
-				    acpi_ds_eval_data_object_operands
-				    (walk_state, op,
-				     acpi_ns_get_attached_object(op->common.
-								 parent->common.
-								 node));
-				break;
-
-			default:
-
-				status =
-				    acpi_ds_eval_data_object_operands
-				    (walk_state, op, NULL);
-				break;
-			}
-
-			/*
-			 * If a result object was returned from above, push it on the
-			 * current result stack
-			 */
-			if (walk_state->result_obj) {
-				status =
-				    acpi_ds_result_push(walk_state->result_obj,
-							walk_state);
-			}
-			break;
-
-		case AML_TYPE_NAMED_FIELD:
-		case AML_TYPE_NAMED_COMPLEX:
-		case AML_TYPE_NAMED_SIMPLE:
-		case AML_TYPE_NAMED_NO_OBJ:
-
-			status = acpi_ds_load2_end_op(walk_state);
-			if (ACPI_FAILURE(status)) {
-				break;
-			}
-
-			if (op->common.aml_opcode == AML_REGION_OP) {
-				ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-						  "Executing OpRegion Address/Length Op=%p\n",
-						  op));
-
-				status =
-				    acpi_ds_eval_region_operands(walk_state,
-								 op);
-				if (ACPI_FAILURE(status)) {
-					break;
-				}
-			} else if (op->common.aml_opcode == AML_DATA_REGION_OP) {
-				ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-						  "Executing DataTableRegion Strings Op=%p\n",
-						  op));
-
-				status =
-				    acpi_ds_eval_table_region_operands
-				    (walk_state, op);
-				if (ACPI_FAILURE(status)) {
-					break;
-				}
-			} else if (op->common.aml_opcode == AML_BANK_FIELD_OP) {
-				ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-						  "Executing BankField Op=%p\n",
-						  op));
-
-				status =
-				    acpi_ds_eval_bank_field_operands(walk_state,
-								     op);
-				if (ACPI_FAILURE(status)) {
-					break;
-				}
-			}
-			break;
-
-		case AML_TYPE_UNDEFINED:
-
-			ACPI_ERROR((AE_INFO,
-				    "Undefined opcode type Op=%p", op));
-			return_ACPI_STATUS(AE_NOT_IMPLEMENTED);
-
-		case AML_TYPE_BOGUS:
-
-			ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-					  "Internal opcode=%X type Op=%p\n",
-					  walk_state->opcode, op));
-			break;
-
-		default:
-
-			ACPI_ERROR((AE_INFO,
-				    "Unimplemented opcode, class=%X type=%X Opcode=%X Op=%p",
-				    op_class, op_type, op->common.aml_opcode,
-				    op));
-
-			status = AE_NOT_IMPLEMENTED;
-			break;
-		}
-	}
-
-	/*
-	 * ACPI 2.0 support for 64-bit integers: Truncate numeric
-	 * result value if we are executing from a 32-bit ACPI table
-	 */
-	acpi_ex_truncate_for32bit_table(walk_state->result_obj);
-
-	/*
-	 * Check if we just completed the evaluation of a
-	 * conditional predicate
-	 */
-	if ((ACPI_SUCCESS(status)) &&
-	    (walk_state->control_state) &&
-	    (walk_state->control_state->common.state ==
-	     ACPI_CONTROL_PREDICATE_EXECUTING) &&
-	    (walk_state->control_state->control.predicate_op == op)) {
-		status =
-		    acpi_ds_get_predicate_value(walk_state,
-						walk_state->result_obj);
-		walk_state->result_obj = NULL;
-	}
-
-      cleanup:
-
-	if (walk_state->result_obj) {
-
-		/* Break to debugger to display result */
-
-		ACPI_DEBUGGER_EXEC(acpi_db_display_result_object
-				   (walk_state->result_obj, walk_state));
-
-		/*
-		 * Delete the result op if and only if:
-		 * Parent will not use the result -- such as any
-		 * non-nested type2 op in a method (parent will be method)
-		 */
-		acpi_ds_delete_result_if_not_used(op, walk_state->result_obj,
-						  walk_state);
-	}
-#ifdef _UNDER_DEVELOPMENT
-
-	if (walk_state->parser_state.aml == walk_state->parser_state.aml_end) {
-		acpi_db_method_end(walk_state);
-	}
-#endif
-
-	/* Invoke exception handler on error */
-
-	if (ACPI_FAILURE(status)) {
-		status = acpi_ds_method_error(status, walk_state);
-	}
-
-	/* Always clear the object stack */
-
-	walk_state->num_operands = 0;
-	return_ACPI_STATUS(status);
-}
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c
deleted file mode 100644
index 2d71ceda3d56..000000000000
--- a/drivers/acpi/dispatcher/dswload.c
+++ /dev/null
@@ -1,1203 +0,0 @@
-/******************************************************************************
- *
- * Module Name: dswload - Dispatcher namespace load callbacks
- *
- *****************************************************************************/
-
-/*
- * 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/acparser.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acevents.h>
-
-#ifdef ACPI_ASL_COMPILER
-#include <acpi/acdisasm.h>
-#endif
-
-#define _COMPONENT          ACPI_DISPATCHER
-ACPI_MODULE_NAME("dswload")
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_init_callbacks
- *
- * PARAMETERS:  walk_state      - Current state of the parse tree walk
- *              pass_number     - 1, 2, or 3
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Init walk state callbacks
- *
- ******************************************************************************/
-acpi_status
-acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number)
-{
-
-	switch (pass_number) {
-	case 1:
-		walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
-		    ACPI_PARSE_DELETE_TREE;
-		walk_state->descending_callback = acpi_ds_load1_begin_op;
-		walk_state->ascending_callback = acpi_ds_load1_end_op;
-		break;
-
-	case 2:
-		walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
-		    ACPI_PARSE_DELETE_TREE;
-		walk_state->descending_callback = acpi_ds_load2_begin_op;
-		walk_state->ascending_callback = acpi_ds_load2_end_op;
-		break;
-
-	case 3:
-#ifndef ACPI_NO_METHOD_EXECUTION
-		walk_state->parse_flags |= ACPI_PARSE_EXECUTE |
-		    ACPI_PARSE_DELETE_TREE;
-		walk_state->descending_callback = acpi_ds_exec_begin_op;
-		walk_state->ascending_callback = acpi_ds_exec_end_op;
-#endif
-		break;
-
-	default:
-		return (AE_BAD_PARAMETER);
-	}
-
-	return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_load1_begin_op
- *
- * PARAMETERS:  walk_state      - Current state of the parse tree walk
- *              out_op          - Where to return op if a new one is created
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Descending callback used during the loading of ACPI tables.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
-		       union acpi_parse_object ** out_op)
-{
-	union acpi_parse_object *op;
-	struct acpi_namespace_node *node;
-	acpi_status status;
-	acpi_object_type object_type;
-	char *path;
-	u32 flags;
-
-	ACPI_FUNCTION_TRACE(ds_load1_begin_op);
-
-	op = walk_state->op;
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
-			  walk_state));
-
-	/* We are only interested in opcodes that have an associated name */
-
-	if (op) {
-		if (!(walk_state->op_info->flags & AML_NAMED)) {
-			*out_op = op;
-			return_ACPI_STATUS(AE_OK);
-		}
-
-		/* Check if this object has already been installed in the namespace */
-
-		if (op->common.node) {
-			*out_op = op;
-			return_ACPI_STATUS(AE_OK);
-		}
-	}
-
-	path = acpi_ps_get_next_namestring(&walk_state->parser_state);
-
-	/* Map the raw opcode into an internal object type */
-
-	object_type = walk_state->op_info->object_type;
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "State=%p Op=%p [%s]\n", walk_state, op,
-			  acpi_ut_get_type_name(object_type)));
-
-	switch (walk_state->opcode) {
-	case AML_SCOPE_OP:
-
-		/*
-		 * The target name of the Scope() operator must exist at this point so
-		 * that we can actually open the scope to enter new names underneath it.
-		 * Allow search-to-root for single namesegs.
-		 */
-		status =
-		    acpi_ns_lookup(walk_state->scope_info, path, object_type,
-				   ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
-				   walk_state, &(node));
-#ifdef ACPI_ASL_COMPILER
-		if (status == AE_NOT_FOUND) {
-			/*
-			 * Table disassembly:
-			 * Target of Scope() not found. Generate an External for it, and
-			 * insert the name into the namespace.
-			 */
-			acpi_dm_add_to_external_list(path, ACPI_TYPE_DEVICE, 0);
-			status =
-			    acpi_ns_lookup(walk_state->scope_info, path,
-					   object_type, ACPI_IMODE_LOAD_PASS1,
-					   ACPI_NS_SEARCH_PARENT, walk_state,
-					   &node);
-		}
-#endif
-		if (ACPI_FAILURE(status)) {
-			ACPI_ERROR_NAMESPACE(path, status);
-			return_ACPI_STATUS(status);
-		}
-
-		/*
-		 * Check to make sure that the target is
-		 * one of the opcodes that actually opens a scope
-		 */
-		switch (node->type) {
-		case ACPI_TYPE_ANY:
-		case ACPI_TYPE_LOCAL_SCOPE:	/* Scope  */
-		case ACPI_TYPE_DEVICE:
-		case ACPI_TYPE_POWER:
-		case ACPI_TYPE_PROCESSOR:
-		case ACPI_TYPE_THERMAL:
-
-			/* These are acceptable types */
-			break;
-
-		case ACPI_TYPE_INTEGER:
-		case ACPI_TYPE_STRING:
-		case ACPI_TYPE_BUFFER:
-
-			/*
-			 * These types we will allow, but we will change the type. This
-			 * enables some existing code of the form:
-			 *
-			 *  Name (DEB, 0)
-			 *  Scope (DEB) { ... }
-			 *
-			 * Note: silently change the type here. On the second pass, we will report
-			 * a warning
-			 */
-			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-					  "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n",
-					  path,
-					  acpi_ut_get_type_name(node->type)));
-
-			node->type = ACPI_TYPE_ANY;
-			walk_state->scope_info->common.value = ACPI_TYPE_ANY;
-			break;
-
-		default:
-
-			/* All other types are an error */
-
-			ACPI_ERROR((AE_INFO,
-				    "Invalid type (%s) for target of Scope operator [%4.4s] (Cannot override)",
-				    acpi_ut_get_type_name(node->type), path));
-
-			return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
-		}
-		break;
-
-	default:
-		/*
-		 * For all other named opcodes, we will enter the name into
-		 * the namespace.
-		 *
-		 * Setup the search flags.
-		 * Since we are entering a name into the namespace, we do not want to
-		 * enable the search-to-root upsearch.
-		 *
-		 * There are only two conditions where it is acceptable that the name
-		 * already exists:
-		 *    1) the Scope() operator can reopen a scoping object that was
-		 *       previously defined (Scope, Method, Device, etc.)
-		 *    2) Whenever we are parsing a deferred opcode (op_region, Buffer,
-		 *       buffer_field, or Package), the name of the object is already
-		 *       in the namespace.
-		 */
-		if (walk_state->deferred_node) {
-
-			/* This name is already in the namespace, get the node */
-
-			node = walk_state->deferred_node;
-			status = AE_OK;
-			break;
-		}
-
-		/*
-		 * If we are executing a method, do not create any namespace objects
-		 * during the load phase, only during execution.
-		 */
-		if (walk_state->method_node) {
-			node = NULL;
-			status = AE_OK;
-			break;
-		}
-
-		flags = ACPI_NS_NO_UPSEARCH;
-		if ((walk_state->opcode != AML_SCOPE_OP) &&
-		    (!(walk_state->parse_flags & ACPI_PARSE_DEFERRED_OP))) {
-			flags |= ACPI_NS_ERROR_IF_FOUND;
-			ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-					  "[%s] Cannot already exist\n",
-					  acpi_ut_get_type_name(object_type)));
-		} else {
-			ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-					  "[%s] Both Find or Create allowed\n",
-					  acpi_ut_get_type_name(object_type)));
-		}
-
-		/*
-		 * Enter the named type into the internal namespace. We enter the name
-		 * as we go downward in the parse tree. Any necessary subobjects that
-		 * involve arguments to the opcode must be created as we go back up the
-		 * parse tree later.
-		 */
-		status =
-		    acpi_ns_lookup(walk_state->scope_info, path, object_type,
-				   ACPI_IMODE_LOAD_PASS1, flags, walk_state,
-				   &node);
-		if (ACPI_FAILURE(status)) {
-			if (status == AE_ALREADY_EXISTS) {
-
-				/* The name already exists in this scope */
-
-				if (node->flags & ANOBJ_IS_EXTERNAL) {
-					/*
-					 * Allow one create on an object or segment that was
-					 * previously declared External
-					 */
-					node->flags &= ~ANOBJ_IS_EXTERNAL;
-					node->type = (u8) object_type;
-
-					/* Just retyped a node, probably will need to open a scope */
-
-					if (acpi_ns_opens_scope(object_type)) {
-						status =
-						    acpi_ds_scope_stack_push
-						    (node, object_type,
-						     walk_state);
-						if (ACPI_FAILURE(status)) {
-							return_ACPI_STATUS
-							    (status);
-						}
-					}
-
-					status = AE_OK;
-				}
-			}
-
-			if (ACPI_FAILURE(status)) {
-				ACPI_ERROR_NAMESPACE(path, status);
-				return_ACPI_STATUS(status);
-			}
-		}
-		break;
-	}
-
-	/* Common exit */
-
-	if (!op) {
-
-		/* Create a new op */
-
-		op = acpi_ps_alloc_op(walk_state->opcode);
-		if (!op) {
-			return_ACPI_STATUS(AE_NO_MEMORY);
-		}
-	}
-
-	/* Initialize the op */
-
-#if (defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY))
-	op->named.path = ACPI_CAST_PTR(u8, path);
-#endif
-
-	if (node) {
-		/*
-		 * Put the Node in the "op" object that the parser uses, so we
-		 * can get it again quickly when this scope is closed
-		 */
-		op->common.node = node;
-		op->named.name = node->name.integer;
-	}
-
-	acpi_ps_append_arg(acpi_ps_get_parent_scope(&walk_state->parser_state),
-			   op);
-	*out_op = op;
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_load1_end_op
- *
- * PARAMETERS:  walk_state      - Current state of the parse tree walk
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Ascending callback used during the loading of the namespace,
- *              both control methods and everything else.
- *
- ******************************************************************************/
-
-acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
-{
-	union acpi_parse_object *op;
-	acpi_object_type object_type;
-	acpi_status status = AE_OK;
-
-	ACPI_FUNCTION_TRACE(ds_load1_end_op);
-
-	op = walk_state->op;
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
-			  walk_state));
-
-	/* We are only interested in opcodes that have an associated name */
-
-	if (!(walk_state->op_info->flags & (AML_NAMED | AML_FIELD))) {
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	/* Get the object type to determine if we should pop the scope */
-
-	object_type = walk_state->op_info->object_type;
-
-#ifndef ACPI_NO_METHOD_EXECUTION
-	if (walk_state->op_info->flags & AML_FIELD) {
-		/*
-		 * If we are executing a method, do not create any namespace objects
-		 * during the load phase, only during execution.
-		 */
-		if (!walk_state->method_node) {
-			if (walk_state->opcode == AML_FIELD_OP ||
-			    walk_state->opcode == AML_BANK_FIELD_OP ||
-			    walk_state->opcode == AML_INDEX_FIELD_OP) {
-				status =
-				    acpi_ds_init_field_objects(op, walk_state);
-			}
-		}
-		return_ACPI_STATUS(status);
-	}
-
-	/*
-	 * If we are executing a method, do not create any namespace objects
-	 * during the load phase, only during execution.
-	 */
-	if (!walk_state->method_node) {
-		if (op->common.aml_opcode == AML_REGION_OP) {
-			status =
-			    acpi_ex_create_region(op->named.data,
-						  op->named.length,
-						  (acpi_adr_space_type) ((op->
-									  common.
-									  value.
-									  arg)->
-									 common.
-									 value.
-									 integer),
-						  walk_state);
-			if (ACPI_FAILURE(status)) {
-				return_ACPI_STATUS(status);
-			}
-		} else if (op->common.aml_opcode == AML_DATA_REGION_OP) {
-			status =
-			    acpi_ex_create_region(op->named.data,
-						  op->named.length,
-						  REGION_DATA_TABLE,
-						  walk_state);
-			if (ACPI_FAILURE(status)) {
-				return_ACPI_STATUS(status);
-			}
-		}
-	}
-#endif
-
-	if (op->common.aml_opcode == AML_NAME_OP) {
-
-		/* For Name opcode, get the object type from the argument */
-
-		if (op->common.value.arg) {
-			object_type = (acpi_ps_get_opcode_info((op->common.
-								value.arg)->
-							       common.
-							       aml_opcode))->
-			    object_type;
-
-			/* Set node type if we have a namespace node */
-
-			if (op->common.node) {
-				op->common.node->type = (u8) object_type;
-			}
-		}
-	}
-
-	/*
-	 * If we are executing a method, do not create any namespace objects
-	 * during the load phase, only during execution.
-	 */
-	if (!walk_state->method_node) {
-		if (op->common.aml_opcode == AML_METHOD_OP) {
-			/*
-			 * method_op pkg_length name_string method_flags term_list
-			 *
-			 * Note: We must create the method node/object pair as soon as we
-			 * see the method declaration. This allows later pass1 parsing
-			 * of invocations of the method (need to know the number of
-			 * arguments.)
-			 */
-			ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-					  "LOADING-Method: State=%p Op=%p NamedObj=%p\n",
-					  walk_state, op, op->named.node));
-
-			if (!acpi_ns_get_attached_object(op->named.node)) {
-				walk_state->operands[0] =
-				    ACPI_CAST_PTR(void, op->named.node);
-				walk_state->num_operands = 1;
-
-				status =
-				    acpi_ds_create_operands(walk_state,
-							    op->common.value.
-							    arg);
-				if (ACPI_SUCCESS(status)) {
-					status =
-					    acpi_ex_create_method(op->named.
-								  data,
-								  op->named.
-								  length,
-								  walk_state);
-				}
-
-				walk_state->operands[0] = NULL;
-				walk_state->num_operands = 0;
-
-				if (ACPI_FAILURE(status)) {
-					return_ACPI_STATUS(status);
-				}
-			}
-		}
-	}
-
-	/* Pop the scope stack (only if loading a table) */
-
-	if (!walk_state->method_node && acpi_ns_opens_scope(object_type)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "(%s): Popping scope for Op %p\n",
-				  acpi_ut_get_type_name(object_type), op));
-
-		status = acpi_ds_scope_stack_pop(walk_state);
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_load2_begin_op
- *
- * PARAMETERS:  walk_state      - Current state of the parse tree walk
- *              out_op          - Wher to return op if a new one is created
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Descending callback used during the loading of ACPI tables.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
-		       union acpi_parse_object **out_op)
-{
-	union acpi_parse_object *op;
-	struct acpi_namespace_node *node;
-	acpi_status status;
-	acpi_object_type object_type;
-	char *buffer_ptr;
-	u32 flags;
-
-	ACPI_FUNCTION_TRACE(ds_load2_begin_op);
-
-	op = walk_state->op;
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
-			  walk_state));
-
-	if (op) {
-		if ((walk_state->control_state) &&
-		    (walk_state->control_state->common.state ==
-		     ACPI_CONTROL_CONDITIONAL_EXECUTING)) {
-
-			/* We are executing a while loop outside of a method */
-
-			status = acpi_ds_exec_begin_op(walk_state, out_op);
-			return_ACPI_STATUS(status);
-		}
-
-		/* We only care about Namespace opcodes here */
-
-		if ((!(walk_state->op_info->flags & AML_NSOPCODE) &&
-		     (walk_state->opcode != AML_INT_NAMEPATH_OP)) ||
-		    (!(walk_state->op_info->flags & AML_NAMED))) {
-#ifdef ACPI_ENABLE_MODULE_LEVEL_CODE
-			if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
-			    (walk_state->op_info->class == AML_CLASS_CONTROL)) {
-				ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-						  "Begin/EXEC: %s (fl %8.8X)\n",
-						  walk_state->op_info->name,
-						  walk_state->op_info->flags));
-
-				/* Executing a type1 or type2 opcode outside of a method */
-
-				status =
-				    acpi_ds_exec_begin_op(walk_state, out_op);
-				return_ACPI_STATUS(status);
-			}
-#endif
-			return_ACPI_STATUS(AE_OK);
-		}
-
-		/* Get the name we are going to enter or lookup in the namespace */
-
-		if (walk_state->opcode == AML_INT_NAMEPATH_OP) {
-
-			/* For Namepath op, get the path string */
-
-			buffer_ptr = op->common.value.string;
-			if (!buffer_ptr) {
-
-				/* No name, just exit */
-
-				return_ACPI_STATUS(AE_OK);
-			}
-		} else {
-			/* Get name from the op */
-
-			buffer_ptr = ACPI_CAST_PTR(char, &op->named.name);
-		}
-	} else {
-		/* Get the namestring from the raw AML */
-
-		buffer_ptr =
-		    acpi_ps_get_next_namestring(&walk_state->parser_state);
-	}
-
-	/* Map the opcode into an internal object type */
-
-	object_type = walk_state->op_info->object_type;
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "State=%p Op=%p Type=%X\n", walk_state, op,
-			  object_type));
-
-	switch (walk_state->opcode) {
-	case AML_FIELD_OP:
-	case AML_BANK_FIELD_OP:
-	case AML_INDEX_FIELD_OP:
-
-		node = NULL;
-		status = AE_OK;
-		break;
-
-	case AML_INT_NAMEPATH_OP:
-		/*
-		 * The name_path is an object reference to an existing object.
-		 * Don't enter the name into the namespace, but look it up
-		 * for use later.
-		 */
-		status =
-		    acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
-				   object_type, ACPI_IMODE_EXECUTE,
-				   ACPI_NS_SEARCH_PARENT, walk_state, &(node));
-		break;
-
-	case AML_SCOPE_OP:
-		/*
-		 * The Path is an object reference to an existing object.
-		 * Don't enter the name into the namespace, but look it up
-		 * for use later.
-		 */
-		status =
-		    acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
-				   object_type, ACPI_IMODE_EXECUTE,
-				   ACPI_NS_SEARCH_PARENT, walk_state, &(node));
-		if (ACPI_FAILURE(status)) {
-#ifdef ACPI_ASL_COMPILER
-			if (status == AE_NOT_FOUND) {
-				status = AE_OK;
-			} else {
-				ACPI_ERROR_NAMESPACE(buffer_ptr, status);
-			}
-#else
-			ACPI_ERROR_NAMESPACE(buffer_ptr, status);
-#endif
-			return_ACPI_STATUS(status);
-		}
-
-		/*
-		 * We must check to make sure that the target is
-		 * one of the opcodes that actually opens a scope
-		 */
-		switch (node->type) {
-		case ACPI_TYPE_ANY:
-		case ACPI_TYPE_LOCAL_SCOPE:	/* Scope */
-		case ACPI_TYPE_DEVICE:
-		case ACPI_TYPE_POWER:
-		case ACPI_TYPE_PROCESSOR:
-		case ACPI_TYPE_THERMAL:
-
-			/* These are acceptable types */
-			break;
-
-		case ACPI_TYPE_INTEGER:
-		case ACPI_TYPE_STRING:
-		case ACPI_TYPE_BUFFER:
-
-			/*
-			 * These types we will allow, but we will change the type. This
-			 * enables some existing code of the form:
-			 *
-			 *  Name (DEB, 0)
-			 *  Scope (DEB) { ... }
-			 */
-			ACPI_WARNING((AE_INFO,
-				      "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)",
-				      buffer_ptr,
-				      acpi_ut_get_type_name(node->type)));
-
-			node->type = ACPI_TYPE_ANY;
-			walk_state->scope_info->common.value = ACPI_TYPE_ANY;
-			break;
-
-		default:
-
-			/* All other types are an error */
-
-			ACPI_ERROR((AE_INFO,
-				    "Invalid type (%s) for target of Scope operator [%4.4s]",
-				    acpi_ut_get_type_name(node->type),
-				    buffer_ptr));
-
-			return (AE_AML_OPERAND_TYPE);
-		}
-		break;
-
-	default:
-
-		/* All other opcodes */
-
-		if (op && op->common.node) {
-
-			/* This op/node was previously entered into the namespace */
-
-			node = op->common.node;
-
-			if (acpi_ns_opens_scope(object_type)) {
-				status =
-				    acpi_ds_scope_stack_push(node, object_type,
-							     walk_state);
-				if (ACPI_FAILURE(status)) {
-					return_ACPI_STATUS(status);
-				}
-			}
-
-			return_ACPI_STATUS(AE_OK);
-		}
-
-		/*
-		 * Enter the named type into the internal namespace. We enter the name
-		 * as we go downward in the parse tree. Any necessary subobjects that
-		 * involve arguments to the opcode must be created as we go back up the
-		 * parse tree later.
-		 *
-		 * Note: Name may already exist if we are executing a deferred opcode.
-		 */
-		if (walk_state->deferred_node) {
-
-			/* This name is already in the namespace, get the node */
-
-			node = walk_state->deferred_node;
-			status = AE_OK;
-			break;
-		}
-
-		flags = ACPI_NS_NO_UPSEARCH;
-		if (walk_state->pass_number == ACPI_IMODE_EXECUTE) {
-
-			/* Execution mode, node cannot already exist, node is temporary */
-
-			flags |= (ACPI_NS_ERROR_IF_FOUND | ACPI_NS_TEMPORARY);
-		}
-
-		/* Add new entry or lookup existing entry */
-
-		status =
-		    acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
-				   object_type, ACPI_IMODE_LOAD_PASS2, flags,
-				   walk_state, &node);
-
-		if (ACPI_SUCCESS(status) && (flags & ACPI_NS_TEMPORARY)) {
-			ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-					  "***New Node [%4.4s] %p is temporary\n",
-					  acpi_ut_get_node_name(node), node));
-		}
-		break;
-	}
-
-	if (ACPI_FAILURE(status)) {
-		ACPI_ERROR_NAMESPACE(buffer_ptr, status);
-		return_ACPI_STATUS(status);
-	}
-
-	if (!op) {
-
-		/* Create a new op */
-
-		op = acpi_ps_alloc_op(walk_state->opcode);
-		if (!op) {
-			return_ACPI_STATUS(AE_NO_MEMORY);
-		}
-
-		/* Initialize the new op */
-
-		if (node) {
-			op->named.name = node->name.integer;
-		}
-		*out_op = op;
-	}
-
-	/*
-	 * Put the Node in the "op" object that the parser uses, so we
-	 * can get it again quickly when this scope is closed
-	 */
-	op->common.node = node;
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_load2_end_op
- *
- * PARAMETERS:  walk_state      - Current state of the parse tree walk
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Ascending callback used during the loading of the namespace,
- *              both control methods and everything else.
- *
- ******************************************************************************/
-
-acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
-{
-	union acpi_parse_object *op;
-	acpi_status status = AE_OK;
-	acpi_object_type object_type;
-	struct acpi_namespace_node *node;
-	union acpi_parse_object *arg;
-	struct acpi_namespace_node *new_node;
-#ifndef ACPI_NO_METHOD_EXECUTION
-	u32 i;
-	u8 region_space;
-#endif
-
-	ACPI_FUNCTION_TRACE(ds_load2_end_op);
-
-	op = walk_state->op;
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n",
-			  walk_state->op_info->name, op, walk_state));
-
-	/* Check if opcode had an associated namespace object */
-
-	if (!(walk_state->op_info->flags & AML_NSOBJECT)) {
-#ifndef ACPI_NO_METHOD_EXECUTION
-#ifdef ACPI_ENABLE_MODULE_LEVEL_CODE
-		/* No namespace object. Executable opcode? */
-
-		if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
-		    (walk_state->op_info->class == AML_CLASS_CONTROL)) {
-			ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-					  "End/EXEC:   %s (fl %8.8X)\n",
-					  walk_state->op_info->name,
-					  walk_state->op_info->flags));
-
-			/* Executing a type1 or type2 opcode outside of a method */
-
-			status = acpi_ds_exec_end_op(walk_state);
-			return_ACPI_STATUS(status);
-		}
-#endif
-#endif
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	if (op->common.aml_opcode == AML_SCOPE_OP) {
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "Ending scope Op=%p State=%p\n", op,
-				  walk_state));
-	}
-
-	object_type = walk_state->op_info->object_type;
-
-	/*
-	 * Get the Node/name from the earlier lookup
-	 * (It was saved in the *op structure)
-	 */
-	node = op->common.node;
-
-	/*
-	 * Put the Node on the object stack (Contains the ACPI Name of
-	 * this object)
-	 */
-	walk_state->operands[0] = (void *)node;
-	walk_state->num_operands = 1;
-
-	/* Pop the scope stack */
-
-	if (acpi_ns_opens_scope(object_type) &&
-	    (op->common.aml_opcode != AML_INT_METHODCALL_OP)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "(%s) Popping scope for Op %p\n",
-				  acpi_ut_get_type_name(object_type), op));
-
-		status = acpi_ds_scope_stack_pop(walk_state);
-		if (ACPI_FAILURE(status)) {
-			goto cleanup;
-		}
-	}
-
-	/*
-	 * Named operations are as follows:
-	 *
-	 * AML_ALIAS
-	 * AML_BANKFIELD
-	 * AML_CREATEBITFIELD
-	 * AML_CREATEBYTEFIELD
-	 * AML_CREATEDWORDFIELD
-	 * AML_CREATEFIELD
-	 * AML_CREATEQWORDFIELD
-	 * AML_CREATEWORDFIELD
-	 * AML_DATA_REGION
-	 * AML_DEVICE
-	 * AML_EVENT
-	 * AML_FIELD
-	 * AML_INDEXFIELD
-	 * AML_METHOD
-	 * AML_METHODCALL
-	 * AML_MUTEX
-	 * AML_NAME
-	 * AML_NAMEDFIELD
-	 * AML_OPREGION
-	 * AML_POWERRES
-	 * AML_PROCESSOR
-	 * AML_SCOPE
-	 * AML_THERMALZONE
-	 */
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "Create-Load [%s] State=%p Op=%p NamedObj=%p\n",
-			  acpi_ps_get_opcode_name(op->common.aml_opcode),
-			  walk_state, op, node));
-
-	/* Decode the opcode */
-
-	arg = op->common.value.arg;
-
-	switch (walk_state->op_info->type) {
-#ifndef ACPI_NO_METHOD_EXECUTION
-
-	case AML_TYPE_CREATE_FIELD:
-		/*
-		 * Create the field object, but the field buffer and index must
-		 * be evaluated later during the execution phase
-		 */
-		status = acpi_ds_create_buffer_field(op, walk_state);
-		break;
-
-	case AML_TYPE_NAMED_FIELD:
-		/*
-		 * If we are executing a method, initialize the field
-		 */
-		if (walk_state->method_node) {
-			status = acpi_ds_init_field_objects(op, walk_state);
-		}
-
-		switch (op->common.aml_opcode) {
-		case AML_INDEX_FIELD_OP:
-
-			status =
-			    acpi_ds_create_index_field(op,
-						       (acpi_handle) arg->
-						       common.node, walk_state);
-			break;
-
-		case AML_BANK_FIELD_OP:
-
-			status =
-			    acpi_ds_create_bank_field(op, arg->common.node,
-						      walk_state);
-			break;
-
-		case AML_FIELD_OP:
-
-			status =
-			    acpi_ds_create_field(op, arg->common.node,
-						 walk_state);
-			break;
-
-		default:
-			/* All NAMED_FIELD opcodes must be handled above */
-			break;
-		}
-		break;
-
-	case AML_TYPE_NAMED_SIMPLE:
-
-		status = acpi_ds_create_operands(walk_state, arg);
-		if (ACPI_FAILURE(status)) {
-			goto cleanup;
-		}
-
-		switch (op->common.aml_opcode) {
-		case AML_PROCESSOR_OP:
-
-			status = acpi_ex_create_processor(walk_state);
-			break;
-
-		case AML_POWER_RES_OP:
-
-			status = acpi_ex_create_power_resource(walk_state);
-			break;
-
-		case AML_MUTEX_OP:
-
-			status = acpi_ex_create_mutex(walk_state);
-			break;
-
-		case AML_EVENT_OP:
-
-			status = acpi_ex_create_event(walk_state);
-			break;
-
-		case AML_ALIAS_OP:
-
-			status = acpi_ex_create_alias(walk_state);
-			break;
-
-		default:
-			/* Unknown opcode */
-
-			status = AE_OK;
-			goto cleanup;
-		}
-
-		/* Delete operands */
-
-		for (i = 1; i < walk_state->num_operands; i++) {
-			acpi_ut_remove_reference(walk_state->operands[i]);
-			walk_state->operands[i] = NULL;
-		}
-
-		break;
-#endif				/* ACPI_NO_METHOD_EXECUTION */
-
-	case AML_TYPE_NAMED_COMPLEX:
-
-		switch (op->common.aml_opcode) {
-#ifndef ACPI_NO_METHOD_EXECUTION
-		case AML_REGION_OP:
-		case AML_DATA_REGION_OP:
-
-			if (op->common.aml_opcode == AML_REGION_OP) {
-				region_space = (acpi_adr_space_type)
-				    ((op->common.value.arg)->common.value.
-				     integer);
-			} else {
-				region_space = REGION_DATA_TABLE;
-			}
-
-			/*
-			 * If we are executing a method, initialize the region
-			 */
-			if (walk_state->method_node) {
-				status =
-				    acpi_ex_create_region(op->named.data,
-							  op->named.length,
-							  region_space,
-							  walk_state);
-				if (ACPI_FAILURE(status)) {
-					return (status);
-				}
-			}
-
-			/*
-			 * The op_region is not fully parsed at this time. Only valid
-			 * argument is the space_id. (We must save the address of the
-			 * AML of the address and length operands)
-			 */
-
-			/*
-			 * If we have a valid region, initialize it
-			 * Namespace is NOT locked at this point.
-			 */
-			status =
-			    acpi_ev_initialize_region
-			    (acpi_ns_get_attached_object(node), FALSE);
-			if (ACPI_FAILURE(status)) {
-				/*
-				 *  If AE_NOT_EXIST is returned, it is not fatal
-				 *  because many regions get created before a handler
-				 *  is installed for said region.
-				 */
-				if (AE_NOT_EXIST == status) {
-					status = AE_OK;
-				}
-			}
-			break;
-
-		case AML_NAME_OP:
-
-			status = acpi_ds_create_node(walk_state, node, op);
-			break;
-
-		case AML_METHOD_OP:
-			/*
-			 * method_op pkg_length name_string method_flags term_list
-			 *
-			 * Note: We must create the method node/object pair as soon as we
-			 * see the method declaration. This allows later pass1 parsing
-			 * of invocations of the method (need to know the number of
-			 * arguments.)
-			 */
-			ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-					  "LOADING-Method: State=%p Op=%p NamedObj=%p\n",
-					  walk_state, op, op->named.node));
-
-			if (!acpi_ns_get_attached_object(op->named.node)) {
-				walk_state->operands[0] =
-				    ACPI_CAST_PTR(void, op->named.node);
-				walk_state->num_operands = 1;
-
-				status =
-				    acpi_ds_create_operands(walk_state,
-							    op->common.value.
-							    arg);
-				if (ACPI_SUCCESS(status)) {
-					status =
-					    acpi_ex_create_method(op->named.
-								  data,
-								  op->named.
-								  length,
-								  walk_state);
-				}
-				walk_state->operands[0] = NULL;
-				walk_state->num_operands = 0;
-
-				if (ACPI_FAILURE(status)) {
-					return_ACPI_STATUS(status);
-				}
-			}
-			break;
-
-#endif				/* ACPI_NO_METHOD_EXECUTION */
-
-		default:
-			/* All NAMED_COMPLEX opcodes must be handled above */
-			break;
-		}
-		break;
-
-	case AML_CLASS_INTERNAL:
-
-		/* case AML_INT_NAMEPATH_OP: */
-		break;
-
-	case AML_CLASS_METHOD_CALL:
-
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n",
-				  walk_state, op, node));
-
-		/*
-		 * Lookup the method name and save the Node
-		 */
-		status =
-		    acpi_ns_lookup(walk_state->scope_info,
-				   arg->common.value.string, ACPI_TYPE_ANY,
-				   ACPI_IMODE_LOAD_PASS2,
-				   ACPI_NS_SEARCH_PARENT |
-				   ACPI_NS_DONT_OPEN_SCOPE, walk_state,
-				   &(new_node));
-		if (ACPI_SUCCESS(status)) {
-			/*
-			 * Make sure that what we found is indeed a method
-			 * We didn't search for a method on purpose, to see if the name
-			 * would resolve
-			 */
-			if (new_node->type != ACPI_TYPE_METHOD) {
-				status = AE_AML_OPERAND_TYPE;
-			}
-
-			/* We could put the returned object (Node) on the object stack for
-			 * later, but for now, we will put it in the "op" object that the
-			 * parser uses, so we can get it again at the end of this scope
-			 */
-			op->common.node = new_node;
-		} else {
-			ACPI_ERROR_NAMESPACE(arg->common.value.string, status);
-		}
-		break;
-
-	default:
-		break;
-	}
-
-      cleanup:
-
-	/* Remove the Node pushed at the very beginning */
-
-	walk_state->operands[0] = NULL;
-	walk_state->num_operands = 0;
-	return_ACPI_STATUS(status);
-}
diff --git a/drivers/acpi/dispatcher/dswscope.c b/drivers/acpi/dispatcher/dswscope.c
deleted file mode 100644
index 8030541a49f7..000000000000
--- a/drivers/acpi/dispatcher/dswscope.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/******************************************************************************
- *
- * Module Name: dswscope - Scope stack manipulation
- *
- *****************************************************************************/
-
-/*
- * 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/acdispat.h>
-
-#define _COMPONENT          ACPI_DISPATCHER
-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)
-{
-	union acpi_generic_state *scope_info;
-
-	ACPI_FUNCTION_NAME(ds_scope_stack_clear);
-
-	while (walk_state->scope_info) {
-
-		/* Pop a scope off the stack */
-
-		scope_info = walk_state->scope_info;
-		walk_state->scope_info = scope_info->scope.next;
-
-		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-				  "Popped object type (%s)\n",
-				  acpi_ut_get_type_name(scope_info->common.
-							value)));
-		acpi_ut_delete_generic_state(scope_info);
-	}
-}
-
-/****************************************************************************
- *
- * 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)
-{
-	union acpi_generic_state *scope_info;
-	union acpi_generic_state *old_scope_info;
-
-	ACPI_FUNCTION_TRACE(ds_scope_stack_push);
-
-	if (!node) {
-
-		/* Invalid scope   */
-
-		ACPI_ERROR((AE_INFO, "Null scope parameter"));
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	/* Make sure object type is valid */
-
-	if (!acpi_ut_valid_object_type(type)) {
-		ACPI_WARNING((AE_INFO, "Invalid object type: 0x%X", type));
-	}
-
-	/* Allocate a new scope object */
-
-	scope_info = acpi_ut_create_generic_state();
-	if (!scope_info) {
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	/* Init new scope object */
-
-	scope_info->common.descriptor_type = ACPI_DESC_TYPE_STATE_WSCOPE;
-	scope_info->scope.node = node;
-	scope_info->common.value = (u16) type;
-
-	walk_state->scope_depth++;
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-			  "[%.2d] Pushed scope ",
-			  (u32) walk_state->scope_depth));
-
-	old_scope_info = walk_state->scope_info;
-	if (old_scope_info) {
-		ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC,
-				      "[%4.4s] (%s)",
-				      acpi_ut_get_node_name(old_scope_info->
-							    scope.node),
-				      acpi_ut_get_type_name(old_scope_info->
-							    common.value)));
-	} else {
-		ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "[\\___] (%s)", "ROOT"));
-	}
-
-	ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC,
-			      ", New scope -> [%4.4s] (%s)\n",
-			      acpi_ut_get_node_name(scope_info->scope.node),
-			      acpi_ut_get_type_name(scope_info->common.value)));
-
-	/* Push new scope object onto stack */
-
-	acpi_ut_push_generic_state(&walk_state->scope_info, scope_info);
-	return_ACPI_STATUS(AE_OK);
-}
-
-/****************************************************************************
- *
- * 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)
-{
-	union acpi_generic_state *scope_info;
-	union acpi_generic_state *new_scope_info;
-
-	ACPI_FUNCTION_TRACE(ds_scope_stack_pop);
-
-	/*
-	 * Pop scope info object off the stack.
-	 */
-	scope_info = acpi_ut_pop_generic_state(&walk_state->scope_info);
-	if (!scope_info) {
-		return_ACPI_STATUS(AE_STACK_UNDERFLOW);
-	}
-
-	walk_state->scope_depth--;
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-			  "[%.2d] Popped scope [%4.4s] (%s), New scope -> ",
-			  (u32) walk_state->scope_depth,
-			  acpi_ut_get_node_name(scope_info->scope.node),
-			  acpi_ut_get_type_name(scope_info->common.value)));
-
-	new_scope_info = walk_state->scope_info;
-	if (new_scope_info) {
-		ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC,
-				      "[%4.4s] (%s)\n",
-				      acpi_ut_get_node_name(new_scope_info->
-							    scope.node),
-				      acpi_ut_get_type_name(new_scope_info->
-							    common.value)));
-	} else {
-		ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "[\\___] (ROOT)\n"));
-	}
-
-	acpi_ut_delete_generic_state(scope_info);
-	return_ACPI_STATUS(AE_OK);
-}
diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c
deleted file mode 100644
index a7543c43c151..000000000000
--- a/drivers/acpi/dispatcher/dswstate.c
+++ /dev/null
@@ -1,753 +0,0 @@
-/******************************************************************************
- *
- * Module Name: dswstate - Dispatcher parse tree walk management routines
- *
- *****************************************************************************/
-
-/*
- * 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/acparser.h>
-#include <acpi/acdispat.h>
-#include <acpi/acnamesp.h>
-
-#define _COMPONENT          ACPI_DISPATCHER
-ACPI_MODULE_NAME("dswstate")
-
-  /* Local prototypes */
-static acpi_status acpi_ds_result_stack_push(struct acpi_walk_state *ws);
-static acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state *ws);
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_result_pop
- *
- * PARAMETERS:  Object              - Where to return the popped object
- *              walk_state          - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Pop an object off the top of this walk's result stack
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_result_pop(union acpi_operand_object **object,
-		   struct acpi_walk_state *walk_state)
-{
-	u32 index;
-	union acpi_generic_state *state;
-	acpi_status status;
-
-	ACPI_FUNCTION_NAME(ds_result_pop);
-
-	state = walk_state->results;
-
-	/* Incorrect state of result stack */
-
-	if (state && !walk_state->result_count) {
-		ACPI_ERROR((AE_INFO, "No results on result stack"));
-		return (AE_AML_INTERNAL);
-	}
-
-	if (!state && walk_state->result_count) {
-		ACPI_ERROR((AE_INFO, "No result state for result stack"));
-		return (AE_AML_INTERNAL);
-	}
-
-	/* Empty result stack */
-
-	if (!state) {
-		ACPI_ERROR((AE_INFO, "Result stack is empty! State=%p",
-			    walk_state));
-		return (AE_AML_NO_RETURN_VALUE);
-	}
-
-	/* Return object of the top element and clean that top element result stack */
-
-	walk_state->result_count--;
-	index = walk_state->result_count % ACPI_RESULTS_FRAME_OBJ_NUM;
-
-	*object = state->results.obj_desc[index];
-	if (!*object) {
-		ACPI_ERROR((AE_INFO,
-			    "No result objects on result stack, State=%p",
-			    walk_state));
-		return (AE_AML_NO_RETURN_VALUE);
-	}
-
-	state->results.obj_desc[index] = NULL;
-	if (index == 0) {
-		status = acpi_ds_result_stack_pop(walk_state);
-		if (ACPI_FAILURE(status)) {
-			return (status);
-		}
-	}
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-			  "Obj=%p [%s] Index=%X State=%p Num=%X\n", *object,
-			  acpi_ut_get_object_type_name(*object),
-			  index, walk_state, walk_state->result_count));
-
-	return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_result_push
- *
- * PARAMETERS:  Object              - Where to return the popped object
- *              walk_state          - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Push an object onto the current result stack
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_result_push(union acpi_operand_object * object,
-		    struct acpi_walk_state * walk_state)
-{
-	union acpi_generic_state *state;
-	acpi_status status;
-	u32 index;
-
-	ACPI_FUNCTION_NAME(ds_result_push);
-
-	if (walk_state->result_count > walk_state->result_size) {
-		ACPI_ERROR((AE_INFO, "Result stack is full"));
-		return (AE_AML_INTERNAL);
-	} else if (walk_state->result_count == walk_state->result_size) {
-
-		/* Extend the result stack */
-
-		status = acpi_ds_result_stack_push(walk_state);
-		if (ACPI_FAILURE(status)) {
-			ACPI_ERROR((AE_INFO,
-				    "Failed to extend the result stack"));
-			return (status);
-		}
-	}
-
-	if (!(walk_state->result_count < walk_state->result_size)) {
-		ACPI_ERROR((AE_INFO, "No free elements in result stack"));
-		return (AE_AML_INTERNAL);
-	}
-
-	state = walk_state->results;
-	if (!state) {
-		ACPI_ERROR((AE_INFO, "No result stack frame during push"));
-		return (AE_AML_INTERNAL);
-	}
-
-	if (!object) {
-		ACPI_ERROR((AE_INFO,
-			    "Null Object! Obj=%p State=%p Num=%X",
-			    object, walk_state, walk_state->result_count));
-		return (AE_BAD_PARAMETER);
-	}
-
-	/* Assign the address of object to the top free element of result stack */
-
-	index = walk_state->result_count % ACPI_RESULTS_FRAME_OBJ_NUM;
-	state->results.obj_desc[index] = object;
-	walk_state->result_count++;
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Obj=%p [%s] State=%p Num=%X Cur=%X\n",
-			  object,
-			  acpi_ut_get_object_type_name((union
-							acpi_operand_object *)
-						       object), walk_state,
-			  walk_state->result_count,
-			  walk_state->current_result));
-
-	return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_result_stack_push
- *
- * PARAMETERS:  walk_state          - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Push an object onto the walk_state result stack
- *
- ******************************************************************************/
-
-static acpi_status acpi_ds_result_stack_push(struct acpi_walk_state *walk_state)
-{
-	union acpi_generic_state *state;
-
-	ACPI_FUNCTION_NAME(ds_result_stack_push);
-
-	/* Check for stack overflow */
-
-	if (((u32) walk_state->result_size + ACPI_RESULTS_FRAME_OBJ_NUM) >
-	    ACPI_RESULTS_OBJ_NUM_MAX) {
-		ACPI_ERROR((AE_INFO, "Result stack overflow: State=%p Num=%X",
-			    walk_state, walk_state->result_size));
-		return (AE_STACK_OVERFLOW);
-	}
-
-	state = acpi_ut_create_generic_state();
-	if (!state) {
-		return (AE_NO_MEMORY);
-	}
-
-	state->common.descriptor_type = ACPI_DESC_TYPE_STATE_RESULT;
-	acpi_ut_push_generic_state(&walk_state->results, state);
-
-	/* Increase the length of the result stack by the length of frame */
-
-	walk_state->result_size += ACPI_RESULTS_FRAME_OBJ_NUM;
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Results=%p State=%p\n",
-			  state, walk_state));
-
-	return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_result_stack_pop
- *
- * PARAMETERS:  walk_state          - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Pop an object off of the walk_state result stack
- *
- ******************************************************************************/
-
-static acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state *walk_state)
-{
-	union acpi_generic_state *state;
-
-	ACPI_FUNCTION_NAME(ds_result_stack_pop);
-
-	/* Check for stack underflow */
-
-	if (walk_state->results == NULL) {
-		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-				  "Result stack underflow - State=%p\n",
-				  walk_state));
-		return (AE_AML_NO_OPERAND);
-	}
-
-	if (walk_state->result_size < ACPI_RESULTS_FRAME_OBJ_NUM) {
-		ACPI_ERROR((AE_INFO, "Insufficient result stack size"));
-		return (AE_AML_INTERNAL);
-	}
-
-	state = acpi_ut_pop_generic_state(&walk_state->results);
-	acpi_ut_delete_generic_state(state);
-
-	/* Decrease the length of result stack by the length of frame */
-
-	walk_state->result_size -= ACPI_RESULTS_FRAME_OBJ_NUM;
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-			  "Result=%p RemainingResults=%X State=%p\n",
-			  state, walk_state->result_count, walk_state));
-
-	return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_obj_stack_push
- *
- * PARAMETERS:  Object              - Object to push
- *              walk_state          - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Push an object onto this walk's object/operand stack
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_obj_stack_push(void *object, struct acpi_walk_state * walk_state)
-{
-	ACPI_FUNCTION_NAME(ds_obj_stack_push);
-
-	/* Check for stack overflow */
-
-	if (walk_state->num_operands >= ACPI_OBJ_NUM_OPERANDS) {
-		ACPI_ERROR((AE_INFO,
-			    "Object stack overflow! Obj=%p State=%p #Ops=%X",
-			    object, walk_state, walk_state->num_operands));
-		return (AE_STACK_OVERFLOW);
-	}
-
-	/* Put the object onto the stack */
-
-	walk_state->operands[walk_state->operand_index] = object;
-	walk_state->num_operands++;
-
-	/* For the usual order of filling the operand stack */
-
-	walk_state->operand_index++;
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Obj=%p [%s] State=%p #Ops=%X\n",
-			  object,
-			  acpi_ut_get_object_type_name((union
-							acpi_operand_object *)
-						       object), walk_state,
-			  walk_state->num_operands));
-
-	return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_obj_stack_pop
- *
- * PARAMETERS:  pop_count           - Number of objects/entries to pop
- *              walk_state          - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Pop this walk's object stack.  Objects on the stack are NOT
- *              deleted by this routine.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state * walk_state)
-{
-	u32 i;
-
-	ACPI_FUNCTION_NAME(ds_obj_stack_pop);
-
-	for (i = 0; i < pop_count; i++) {
-
-		/* Check for stack underflow */
-
-		if (walk_state->num_operands == 0) {
-			ACPI_ERROR((AE_INFO,
-				    "Object stack underflow! Count=%X State=%p #Ops=%X",
-				    pop_count, walk_state,
-				    walk_state->num_operands));
-			return (AE_STACK_UNDERFLOW);
-		}
-
-		/* Just set the stack entry to null */
-
-		walk_state->num_operands--;
-		walk_state->operands[walk_state->num_operands] = NULL;
-	}
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Count=%X State=%p #Ops=%X\n",
-			  pop_count, walk_state, walk_state->num_operands));
-
-	return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_obj_stack_pop_and_delete
- *
- * PARAMETERS:  pop_count           - Number of objects/entries to pop
- *              walk_state          - Current Walk state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Pop this walk's object stack and delete each object that is
- *              popped off.
- *
- ******************************************************************************/
-
-void
-acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
-				 struct acpi_walk_state *walk_state)
-{
-	s32 i;
-	union acpi_operand_object *obj_desc;
-
-	ACPI_FUNCTION_NAME(ds_obj_stack_pop_and_delete);
-
-	if (pop_count == 0) {
-		return;
-	}
-
-	for (i = (s32) pop_count - 1; i >= 0; i--) {
-		if (walk_state->num_operands == 0) {
-			return;
-		}
-
-		/* Pop the stack and delete an object if present in this stack entry */
-
-		walk_state->num_operands--;
-		obj_desc = walk_state->operands[i];
-		if (obj_desc) {
-			acpi_ut_remove_reference(walk_state->operands[i]);
-			walk_state->operands[i] = NULL;
-		}
-	}
-
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Count=%X State=%p #Ops=%X\n",
-			  pop_count, walk_state, walk_state->num_operands));
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_get_current_walk_state
- *
- * PARAMETERS:  Thread          - Get current active state for this Thread
- *
- * RETURN:      Pointer to the current walk state
- *
- * DESCRIPTION: Get the walk state that is at the head of the list (the "current"
- *              walk state.)
- *
- ******************************************************************************/
-
-struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
-						       *thread)
-{
-	ACPI_FUNCTION_NAME(ds_get_current_walk_state);
-
-	if (!thread) {
-		return (NULL);
-	}
-
-	ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Current WalkState %p\n",
-			  thread->walk_state_list));
-
-	return (thread->walk_state_list);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_push_walk_state
- *
- * PARAMETERS:  walk_state      - State to push
- *              Thread          - Thread state object
- *
- * RETURN:      None
- *
- * DESCRIPTION: Place the Thread state at the head of the state list
- *
- ******************************************************************************/
-
-void
-acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
-			struct acpi_thread_state *thread)
-{
-	ACPI_FUNCTION_TRACE(ds_push_walk_state);
-
-	walk_state->next = thread->walk_state_list;
-	thread->walk_state_list = walk_state;
-
-	return_VOID;
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_pop_walk_state
- *
- * PARAMETERS:  Thread      - Current thread state
- *
- * RETURN:      A walk_state object popped from the thread's stack
- *
- * DESCRIPTION: Remove and return the walkstate object that is at the head of
- *              the walk stack for the given walk list.  NULL indicates that
- *              the list is empty.
- *
- ******************************************************************************/
-
-struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state *thread)
-{
-	struct acpi_walk_state *walk_state;
-
-	ACPI_FUNCTION_TRACE(ds_pop_walk_state);
-
-	walk_state = thread->walk_state_list;
-
-	if (walk_state) {
-
-		/* Next walk state becomes the current walk state */
-
-		thread->walk_state_list = walk_state->next;
-
-		/*
-		 * Don't clear the NEXT field, this serves as an indicator
-		 * that there is a parent WALK STATE
-		 * Do Not: walk_state->Next = NULL;
-		 */
-	}
-
-	return_PTR(walk_state);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_create_walk_state
- *
- * PARAMETERS:  owner_id        - ID for object creation
- *              Origin          - Starting point for this walk
- *              method_desc     - Method object
- *              Thread          - Current thread state
- *
- * RETURN:      Pointer to the new walk state.
- *
- * DESCRIPTION: Allocate and initialize a new walk state.  The current walk
- *              state is set to this new state.
- *
- ******************************************************************************/
-
-struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, union acpi_parse_object
-						  *origin, union acpi_operand_object
-						  *method_desc, struct acpi_thread_state
-						  *thread)
-{
-	struct acpi_walk_state *walk_state;
-
-	ACPI_FUNCTION_TRACE(ds_create_walk_state);
-
-	walk_state = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_walk_state));
-	if (!walk_state) {
-		return_PTR(NULL);
-	}
-
-	walk_state->descriptor_type = ACPI_DESC_TYPE_WALK;
-	walk_state->method_desc = method_desc;
-	walk_state->owner_id = owner_id;
-	walk_state->origin = origin;
-	walk_state->thread = thread;
-
-	walk_state->parser_state.start_op = origin;
-
-	/* Init the method args/local */
-
-#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
-	acpi_ds_method_data_init(walk_state);
-#endif
-
-	/* Put the new state at the head of the walk list */
-
-	if (thread) {
-		acpi_ds_push_walk_state(walk_state, thread);
-	}
-
-	return_PTR(walk_state);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_init_aml_walk
- *
- * PARAMETERS:  walk_state      - New state to be initialized
- *              Op              - Current parse op
- *              method_node     - Control method NS node, if any
- *              aml_start       - Start of AML
- *              aml_length      - Length of AML
- *              Info            - Method info block (params, etc.)
- *              pass_number     - 1, 2, or 3
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Initialize a walk state for a pass 1 or 2 parse tree walk
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
-		      union acpi_parse_object *op,
-		      struct acpi_namespace_node *method_node,
-		      u8 * aml_start,
-		      u32 aml_length,
-		      struct acpi_evaluate_info *info, u8 pass_number)
-{
-	acpi_status status;
-	struct acpi_parse_state *parser_state = &walk_state->parser_state;
-	union acpi_parse_object *extra_op;
-
-	ACPI_FUNCTION_TRACE(ds_init_aml_walk);
-
-	walk_state->parser_state.aml =
-	    walk_state->parser_state.aml_start = aml_start;
-	walk_state->parser_state.aml_end =
-	    walk_state->parser_state.pkg_end = aml_start + aml_length;
-
-	/* The next_op of the next_walk will be the beginning of the method */
-
-	walk_state->next_op = NULL;
-	walk_state->pass_number = pass_number;
-
-	if (info) {
-		walk_state->params = info->parameters;
-		walk_state->caller_return_desc = &info->return_object;
-	}
-
-	status = acpi_ps_init_scope(&walk_state->parser_state, op);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	if (method_node) {
-		walk_state->parser_state.start_node = method_node;
-		walk_state->walk_type = ACPI_WALK_METHOD;
-		walk_state->method_node = method_node;
-		walk_state->method_desc =
-		    acpi_ns_get_attached_object(method_node);
-
-		/* Push start scope on scope stack and make it current  */
-
-		status =
-		    acpi_ds_scope_stack_push(method_node, ACPI_TYPE_METHOD,
-					     walk_state);
-		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
-		}
-
-		/* Init the method arguments */
-
-		status = acpi_ds_method_data_init_args(walk_state->params,
-						       ACPI_METHOD_NUM_ARGS,
-						       walk_state);
-		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
-		}
-	} else {
-		/*
-		 * Setup the current scope.
-		 * Find a Named Op that has a namespace node associated with it.
-		 * search upwards from this Op.  Current scope is the first
-		 * Op with a namespace node.
-		 */
-		extra_op = parser_state->start_op;
-		while (extra_op && !extra_op->common.node) {
-			extra_op = extra_op->common.parent;
-		}
-
-		if (!extra_op) {
-			parser_state->start_node = NULL;
-		} else {
-			parser_state->start_node = extra_op->common.node;
-		}
-
-		if (parser_state->start_node) {
-
-			/* Push start scope on scope stack and make it current  */
-
-			status =
-			    acpi_ds_scope_stack_push(parser_state->start_node,
-						     parser_state->start_node->
-						     type, walk_state);
-			if (ACPI_FAILURE(status)) {
-				return_ACPI_STATUS(status);
-			}
-		}
-	}
-
-	status = acpi_ds_init_callbacks(walk_state, pass_number);
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_delete_walk_state
- *
- * PARAMETERS:  walk_state      - State to delete
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Delete a walk state including all internal data structures
- *
- ******************************************************************************/
-
-void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state)
-{
-	union acpi_generic_state *state;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_delete_walk_state, walk_state);
-
-	if (!walk_state) {
-		return;
-	}
-
-	if (walk_state->descriptor_type != ACPI_DESC_TYPE_WALK) {
-		ACPI_ERROR((AE_INFO, "%p is not a valid walk state",
-			    walk_state));
-		return;
-	}
-
-	/* There should not be any open scopes */
-
-	if (walk_state->parser_state.scope) {
-		ACPI_ERROR((AE_INFO, "%p walk still has a scope list",
-			    walk_state));
-		acpi_ps_cleanup_scope(&walk_state->parser_state);
-	}
-
-	/* Always must free any linked control states */
-
-	while (walk_state->control_state) {
-		state = walk_state->control_state;
-		walk_state->control_state = state->common.next;
-
-		acpi_ut_delete_generic_state(state);
-	}
-
-	/* Always must free any linked parse states */
-
-	while (walk_state->scope_info) {
-		state = walk_state->scope_info;
-		walk_state->scope_info = state->common.next;
-
-		acpi_ut_delete_generic_state(state);
-	}
-
-	/* Always must free any stacked result states */
-
-	while (walk_state->results) {
-		state = walk_state->results;
-		walk_state->results = state->common.next;
-
-		acpi_ut_delete_generic_state(state);
-	}
-
-	ACPI_FREE(walk_state);
-	return_VOID;
-}