ACPICA: create acpica/ directory

also, delete sleep/ and delete ACPI_CFLAGS from Makefile

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

1 files changed, 0 insertions, 869 deletions

diff --git a/drivers/acpi/dispatcher/dsutils.c b/drivers/acpi/dispatcher/dsutils.c
deleted file mode 100644
index 9c88846ca2c..00000000000
--- 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);
-}