/home/lenb/src/to-akpm branch 'acpi-2.6.12'

author: Len Brown <len.brown@intel.com> 2005-08-04 18:09:09 -0400
committer: Len Brown <len.brown@intel.com> 2005-08-04 18:09:09 -0400
commit: 5d2a22079c825669d91a3a200332f1053b4b61b0 (patch)
tree: 2e6e88bbcc3e17535fdf3103540b246b3658e20b /drivers/acpi
parent: 1c5ad84516ae7ea4ec868436a910a6bd8d20215a (diff)
parent: bd6dbdf3c7b9784fbf5d8500e427a954e27a976a (diff)
61 files changed, 3409 insertions, 2698 deletions
diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
index d7790db50178..bcd1d472b90f 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/dispatcher/dsinit.c
@@ -86,20 +86,20 @@ acpi_ds_init_one_object (
        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;
-        struct acpi_init_walk_info      *info = (struct acpi_init_walk_info *) context;
        ACPI_FUNCTION_NAME ("ds_init_one_object");
        /*
-         * We are only interested in objects owned by the table that
+         * We are only interested in NS nodes owned by the table that
         * was just loaded
         */
-        if (((struct acpi_namespace_node *) obj_handle)->owner_id !=
+        if (node->owner_id != info->table_desc->owner_id) {
-                        info->table_desc->table_id) {
                return (AE_OK);
        }
@@ -126,8 +126,6 @@ acpi_ds_init_one_object (
        case ACPI_TYPE_METHOD:
-                info->method_count++;
                /*
                 * Print a dot for each method unless we are going to print
                 * the entire pathname
@@ -143,7 +141,7 @@ acpi_ds_init_one_object (
                 * on a per-table basis. Currently, we just use a global for the width.
                 */
                if (info->table_desc->pointer->revision == 1) {
-                        ((struct acpi_namespace_node *) obj_handle)->flags |= ANOBJ_DATA_WIDTH_32;
+                        node->flags |= ANOBJ_DATA_WIDTH_32;
                }
                /*
@@ -153,22 +151,14 @@ acpi_ds_init_one_object (
                status = acpi_ds_parse_method (obj_handle);
                if (ACPI_FAILURE (status)) {
                        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-                                "Method %p [%4.4s] - parse failure, %s\n",
+                                "\n+Method %p [%4.4s] - parse failure, %s\n",
                                obj_handle, acpi_ut_get_node_name (obj_handle),
                                acpi_format_exception (status)));
                        /* This parse failed, but we will continue parsing more methods */
-                        break;
                }
-                /*
+                info->method_count++;
-                 * Delete the parse tree.  We simply re-parse the method
-                 * for every execution since there isn't much overhead
-                 */
-                acpi_ns_delete_namespace_subtree (obj_handle);
-                acpi_ns_delete_namespace_by_owner (
-                        ((struct acpi_namespace_node *) obj_handle)->object->method.owning_id);
                break;
@@ -237,7 +227,7 @@ acpi_ds_initialize_objects (
        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
                "\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n",
-                table_desc->pointer->signature, table_desc->table_id, info.object_count,
+                table_desc->pointer->signature, table_desc->owner_id, info.object_count,
                info.device_count, info.method_count, info.op_region_count));
        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 9fc3f4c033eb..e344c06ed33f 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -58,12 +58,11 @@
 *
 * FUNCTION:    acpi_ds_parse_method
 *
- * PARAMETERS:  obj_handle      - Method node
+ * PARAMETERS:  Node        - Method node
 *
 * RETURN:      Status
 *
- * DESCRIPTION: Call the parser and parse the AML that is associated with the
+ * DESCRIPTION: Parse the AML that is associated with the method.
- *              method.
 *
 * MUTEX:       Assumes parser is locked
 *
@@ -71,31 +70,28 @@
 acpi_status
 acpi_ds_parse_method (
-        acpi_handle                     obj_handle)
+        struct acpi_namespace_node      *node)
 {
        acpi_status                     status;
        union acpi_operand_object       *obj_desc;
        union acpi_parse_object         *op;
-        struct acpi_namespace_node      *node;
-        acpi_owner_id                   owner_id;
        struct acpi_walk_state          *walk_state;
-        ACPI_FUNCTION_TRACE_PTR ("ds_parse_method", obj_handle);
+        ACPI_FUNCTION_TRACE_PTR ("ds_parse_method", node);
        /* Parameter Validation */
-        if (!obj_handle) {
+        if (!node) {
                return_ACPI_STATUS (AE_NULL_ENTRY);
        }
        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Parsing [%4.4s] **** named_obj=%p\n",
-                acpi_ut_get_node_name (obj_handle), obj_handle));
+                acpi_ut_get_node_name (node), node));
        /* Extract the method object from the method Node */
-        node = (struct acpi_namespace_node *) obj_handle;
        obj_desc = acpi_ns_get_attached_object (node);
        if (!obj_desc) {
                return_ACPI_STATUS (AE_NULL_OBJECT);
@@ -132,14 +128,18 @@ acpi_ds_parse_method (
         * objects (such as Operation Regions) can be created during the
         * first pass parse.
         */
-        owner_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_METHOD);
+        status = acpi_ut_allocate_owner_id (&obj_desc->method.owner_id);
-        obj_desc->method.owning_id = owner_id;
+        if (ACPI_FAILURE (status)) {
+                goto cleanup;
+        }
        /* Create and initialize a new walk state */
-        walk_state = acpi_ds_create_walk_state (owner_id, NULL, NULL, NULL);
+        walk_state = acpi_ds_create_walk_state (
+                          obj_desc->method.owner_id, NULL, NULL, NULL);
        if (!walk_state) {
-                return_ACPI_STATUS (AE_NO_MEMORY);
+                status = AE_NO_MEMORY;
+                goto cleanup2;
        }
        status = acpi_ds_init_aml_walk (walk_state, op, node,
@@ -147,7 +147,7 @@ acpi_ds_parse_method (
                          obj_desc->method.aml_length, NULL, 1);
        if (ACPI_FAILURE (status)) {
                acpi_ds_delete_walk_state (walk_state);
-                return_ACPI_STATUS (status);
+                goto cleanup2;
        }
        /*
@@ -161,13 +161,25 @@ acpi_ds_parse_method (
         */
        status = acpi_ps_parse_aml (walk_state);
        if (ACPI_FAILURE (status)) {
-                return_ACPI_STATUS (status);
+                goto cleanup2;
        }
        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
                "**** [%4.4s] Parsed **** named_obj=%p Op=%p\n",
-                acpi_ut_get_node_name (obj_handle), obj_handle, op));
+                acpi_ut_get_node_name (node), node, op));
+        /*
+         * Delete the parse tree. We simply re-parse the method for every
+         * execution since there isn't much overhead (compared to keeping lots
+         * of parse trees around)
+         */
+        acpi_ns_delete_namespace_subtree (node);
+        acpi_ns_delete_namespace_by_owner (obj_desc->method.owner_id);
+cleanup2:
+        acpi_ut_release_owner_id (&obj_desc->method.owner_id);
+cleanup:
        acpi_ps_delete_parse_tree (op);
        return_ACPI_STATUS (status);
 }
@@ -263,7 +275,7 @@ acpi_ds_call_control_method (
 {
        acpi_status                     status;
        struct acpi_namespace_node      *method_node;
-        struct acpi_walk_state          *next_walk_state;
+        struct acpi_walk_state          *next_walk_state = NULL;
        union acpi_operand_object       *obj_desc;
        struct acpi_parameter_info      info;
        u32                             i;
@@ -287,20 +299,23 @@ acpi_ds_call_control_method (
                return_ACPI_STATUS (AE_NULL_OBJECT);
        }
-        obj_desc->method.owning_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_METHOD);
+        status = acpi_ut_allocate_owner_id (&obj_desc->method.owner_id);
+        if (ACPI_FAILURE (status)) {
+                return_ACPI_STATUS (status);
+        }
        /* Init for new method, wait on concurrency semaphore */
        status = acpi_ds_begin_method_execution (method_node, obj_desc,
                          this_walk_state->method_node);
        if (ACPI_FAILURE (status)) {
-                return_ACPI_STATUS (status);
+                goto cleanup;
        }
        if (!(obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY)) {
                /* 1) Parse: Create a new walk state for the preempting walk */
-                next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owning_id,
+                next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owner_id,
                                  op, obj_desc, NULL);
                if (!next_walk_state) {
                        return_ACPI_STATUS (AE_NO_MEMORY);
@@ -330,7 +345,7 @@ acpi_ds_call_control_method (
        /* 2) Execute: Create a new state for the preempting walk */
-        next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owning_id,
+        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;
@@ -381,6 +396,7 @@ acpi_ds_call_control_method (
        /* On error, we must delete the new walk state */
 cleanup:
+        acpi_ut_release_owner_id (&obj_desc->method.owner_id);
        if (next_walk_state && (next_walk_state->method_desc)) {
                /* Decrement the thread count on the method parse tree */
@@ -552,8 +568,7 @@ acpi_ds_terminate_control_method (
                 */
                if ((walk_state->method_desc->method.concurrency == 1) &&
                        (!walk_state->method_desc->method.semaphore)) {
-                        status = acpi_os_create_semaphore (1,
+                        status = acpi_os_create_semaphore (1, 1,
-                                         1,
                                         &walk_state->method_desc->method.semaphore);
                }
@@ -582,8 +597,10 @@ acpi_ds_terminate_control_method (
                 * Delete any namespace entries created anywhere else within
                 * the namespace
                 */
-                acpi_ns_delete_namespace_by_owner (walk_state->method_desc->method.owning_id);
+                acpi_ns_delete_namespace_by_owner (walk_state->method_desc->method.owner_id);
                status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
+                acpi_ut_release_owner_id (&walk_state->method_desc->method.owner_id);
                if (ACPI_FAILURE (status)) {
                        return_ACPI_STATUS (status);
                }
diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c
index f7998306f756..c83d53fd6398 100644
--- a/drivers/acpi/dispatcher/dsmthdat.c
+++ b/drivers/acpi/dispatcher/dsmthdat.c
@@ -633,22 +633,11 @@ acpi_ds_store_object_to_local (
                 */
                if (opcode == AML_ARG_OP) {
                        /*
-                         * Make sure that the object is the correct type.  This may be
-                         * overkill, butit is here because references were NS nodes in
-                         *  the past.  Now they are operand objects of type Reference.
-                         */
-                        if (ACPI_GET_DESCRIPTOR_TYPE (current_obj_desc) != ACPI_DESC_TYPE_OPERAND) {
-                                ACPI_REPORT_ERROR ((
-                                        "Invalid descriptor type while storing to method arg: [%s]\n",
-                                        acpi_ut_get_descriptor_name (current_obj_desc)));
-                                return_ACPI_STATUS (AE_AML_INTERNAL);
-                        }
-                        /*
                         * If we have a valid reference object that came from ref_of(),
                         * do the indirect store
                         */
-                        if ((current_obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) &&
+                        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.opcode == AML_REF_OF_OP)) {
                                ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
                                                "Arg (%p) is an obj_ref(Node), storing in node %p\n",
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
index bfbae4e4c667..1eee2d54180f 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/dispatcher/dsobject.c
@@ -547,6 +547,9 @@ acpi_ds_init_object_from_op (
                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;
diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c
index ba13bca28bee..750bdb1ac344 100644
--- a/drivers/acpi/dispatcher/dsopcode.c
+++ b/drivers/acpi/dispatcher/dsopcode.c
@@ -119,14 +119,15 @@ acpi_ds_execute_arguments (
        walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL);
        if (!walk_state) {
-                return_ACPI_STATUS (AE_NO_MEMORY);
+                status = AE_NO_MEMORY;
+                goto cleanup;
        }
        status = acpi_ds_init_aml_walk (walk_state, op, NULL, aml_start,
                          aml_length, NULL, 1);
        if (ACPI_FAILURE (status)) {
                acpi_ds_delete_walk_state (walk_state);
-                return_ACPI_STATUS (status);
+                goto cleanup;
        }
        /* Mark this parse as a deferred opcode */
@@ -138,8 +139,7 @@ acpi_ds_execute_arguments (
        status = acpi_ps_parse_aml (walk_state);
        if (ACPI_FAILURE (status)) {
-                acpi_ps_delete_parse_tree (op);
+                goto cleanup;
-                return_ACPI_STATUS (status);
        }
        /* Get and init the Op created above */
@@ -160,7 +160,8 @@ acpi_ds_execute_arguments (
        walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL);
        if (!walk_state) {
-                return_ACPI_STATUS (AE_NO_MEMORY);
+                status = AE_NO_MEMORY;
+                goto cleanup;
        }
        /* Execute the opcode and arguments */
@@ -169,13 +170,15 @@ acpi_ds_execute_arguments (
                          aml_length, NULL, 3);
        if (ACPI_FAILURE (status)) {
                acpi_ds_delete_walk_state (walk_state);
-                return_ACPI_STATUS (status);
+                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);
 }
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c
index d11620018421..9100c0bda470 100644
--- a/drivers/acpi/dispatcher/dswload.c
+++ b/drivers/acpi/dispatcher/dswload.c
@@ -50,7 +50,7 @@
 #include <acpi/acnamesp.h>
 #include <acpi/acevents.h>
-#ifdef _ACPI_ASL_COMPILER
+#ifdef ACPI_ASL_COMPILER
 #include <acpi/acdisasm.h>
 #endif
@@ -145,15 +145,6 @@ acpi_ds_load1_begin_op (
        if (op) {
                if (!(walk_state->op_info->flags & AML_NAMED)) {
-#if 0
-                        if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
-                                (walk_state->op_info->class == AML_CLASS_CONTROL)) {
-                                acpi_os_printf ("\n\n***EXECUTABLE OPCODE %s***\n\n",
-                                        walk_state->op_info->name);
-                                *out_op = op;
-                                return (AE_CTRL_SKIP);
-                        }
-#endif
                        *out_op = op;
                        return (AE_OK);
                }
@@ -185,7 +176,7 @@ acpi_ds_load1_begin_op (
                 */
                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
+#ifdef ACPI_ASL_COMPILER
                if (status == AE_NOT_FOUND) {
                        /*
                         * Table disassembly:
@@ -486,11 +477,31 @@ acpi_ds_load2_begin_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))) {
+                        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);
+                        }
                        return_ACPI_STATUS (AE_OK);
                }
@@ -558,7 +569,7 @@ acpi_ds_load2_begin_op (
                                  ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
                                  walk_state, &(node));
                if (ACPI_FAILURE (status)) {
-#ifdef _ACPI_ASL_COMPILER
+#ifdef ACPI_ASL_COMPILER
                        if (status == AE_NOT_FOUND) {
                                status = AE_OK;
                        }
@@ -651,8 +662,10 @@ acpi_ds_load2_begin_op (
                        break;
                }
+                /* Add new entry into namespace */
                status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type,
-                                  ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH,
+                                  ACPI_IMODE_LOAD_PASS2, ACPI_NS_NO_UPSEARCH,
                                  walk_state, &(node));
                break;
        }
@@ -662,7 +675,6 @@ acpi_ds_load2_begin_op (
                return_ACPI_STATUS (status);
        }
        if (!op) {
                /* Create a new op */
@@ -676,9 +688,7 @@ acpi_ds_load2_begin_op (
                if (node) {
                        op->named.name = node->name.integer;
                }
-                if (out_op) {
+                *out_op = op;
-                        *out_op = op;
-                }
        }
        /*
@@ -725,9 +735,24 @@ acpi_ds_load2_end_op (
        ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n",
                        walk_state->op_info->name, op, walk_state));
-        /* Only interested in opcodes that have namespace objects */
+        /* Check if opcode had an associated namespace object */
        if (!(walk_state->op_info->flags & AML_NSOBJECT)) {
+#ifndef ACPI_NO_METHOD_EXECUTION
+                /* 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
                return_ACPI_STATUS (AE_OK);
        }
@@ -736,7 +761,6 @@ acpi_ds_load2_end_op (
                        "Ending scope Op=%p State=%p\n", op, walk_state));
        }
        object_type = walk_state->op_info->object_type;
        /*
@@ -959,6 +983,7 @@ acpi_ds_load2_end_op (
                                  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
diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c
index 9cd3db652b31..5621665991b5 100644
--- a/drivers/acpi/dispatcher/dswstate.c
+++ b/drivers/acpi/dispatcher/dswstate.c
@@ -261,12 +261,12 @@ acpi_ds_result_pop_from_bottom (
        if (!*object) {
                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-                        "Null operand! State=%p #Ops=%X, Index=%X\n",
+                        "Null operand! State=%p #Ops=%X Index=%X\n",
                        walk_state, state->results.num_results, (u32) index));
                return (AE_AML_NO_RETURN_VALUE);
        }
-        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s], Results=%p State=%p\n",
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] Results=%p State=%p\n",
                *object, (*object) ? acpi_ut_get_object_type_name (*object) : "NULL",
                state, walk_state));
@@ -681,7 +681,7 @@ acpi_ds_create_walk_state (
        ACPI_FUNCTION_TRACE ("ds_create_walk_state");
-        walk_state = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_WALK);
+        walk_state = ACPI_MEM_CALLOCATE (sizeof (struct acpi_walk_state));
        if (!walk_state) {
                return_PTR (NULL);
        }
@@ -704,7 +704,7 @@ acpi_ds_create_walk_state (
        status = acpi_ds_result_stack_push (walk_state);
        if (ACPI_FAILURE (status)) {
-                acpi_ut_release_to_cache (ACPI_MEM_LIST_WALK, walk_state);
+                ACPI_MEM_FREE (walk_state);
                return_PTR (NULL);
        }
@@ -744,7 +744,7 @@ acpi_ds_init_aml_walk (
        u8                              *aml_start,
        u32                             aml_length,
        struct acpi_parameter_info      *info,
-        u32                             pass_number)
+        u8                              pass_number)
 {
        acpi_status                     status;
        struct acpi_parse_state         *parser_state = &walk_state->parser_state;
@@ -762,6 +762,7 @@ acpi_ds_init_aml_walk (
        /* 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) {
                if (info->parameter_type == ACPI_PARAM_GPE) {
@@ -899,38 +900,11 @@ acpi_ds_delete_walk_state (
                acpi_ut_delete_generic_state (state);
        }
-        acpi_ut_release_to_cache (ACPI_MEM_LIST_WALK, walk_state);
+        ACPI_MEM_FREE (walk_state);
        return_VOID;
 }
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/******************************************************************************
- *
- * FUNCTION:    acpi_ds_delete_walk_state_cache
- *
- * PARAMETERS:  None
- *
- * RETURN:      None
- *
- * DESCRIPTION: Purge the global state object cache.  Used during subsystem
- *              termination.
- *
- ******************************************************************************/
-void
-acpi_ds_delete_walk_state_cache (
-        void)
-{
-        ACPI_FUNCTION_TRACE ("ds_delete_walk_state_cache");
-        acpi_ut_delete_generic_cache (ACPI_MEM_LIST_WALK);
-        return_VOID;
-}
-#endif
 #ifdef ACPI_OBSOLETE_FUNCTIONS
 /*******************************************************************************
 *
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c
index 081120b109ba..ede834df4f69 100644
--- a/drivers/acpi/events/evgpe.c
+++ b/drivers/acpi/events/evgpe.c
@@ -396,6 +396,7 @@ acpi_ev_gpe_detect (
        struct acpi_gpe_register_info   *gpe_register_info;
        u32                             status_reg;
        u32                             enable_reg;
+        u32                             flags;
        acpi_status                     status;
        struct acpi_gpe_block_info      *gpe_block;
        acpi_native_uint                i;
@@ -412,7 +413,7 @@ acpi_ev_gpe_detect (
        /* Examine all GPE blocks attached to this interrupt level */
-        acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_ISR);
+        flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
        gpe_block = gpe_xrupt_list->gpe_block_list_head;
        while (gpe_block) {
                /*
@@ -476,7 +477,7 @@ acpi_ev_gpe_detect (
 unlock_and_exit:
-        acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_ISR);
+        acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
        return (int_status);
 }
diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c
index 84186a7d17b2..dfc54692b127 100644
--- a/drivers/acpi/events/evgpeblk.c
+++ b/drivers/acpi/events/evgpeblk.c
@@ -66,7 +66,7 @@ acpi_ev_match_prw_and_gpe (
 static struct acpi_gpe_xrupt_info *
 acpi_ev_get_gpe_xrupt_block (
-        u32                             interrupt_level);
+        u32                             interrupt_number);
 static acpi_status
 acpi_ev_delete_gpe_xrupt (
@@ -75,7 +75,7 @@ acpi_ev_delete_gpe_xrupt (
 static acpi_status
 acpi_ev_install_gpe_block (
        struct acpi_gpe_block_info      *gpe_block,
-        u32                             interrupt_level);
+        u32                             interrupt_number);
 static acpi_status
 acpi_ev_create_gpe_info_blocks (
@@ -138,7 +138,6 @@ acpi_ev_valid_gpe_event (
 * FUNCTION:    acpi_ev_walk_gpe_list
 *
 * PARAMETERS:  gpe_walk_callback   - Routine called for each GPE block
- *              Flags               - ACPI_NOT_ISR or ACPI_ISR
 *
 * RETURN:      Status
 *
@@ -148,18 +147,18 @@ acpi_ev_valid_gpe_event (
 acpi_status
 acpi_ev_walk_gpe_list (
-        ACPI_GPE_CALLBACK       gpe_walk_callback,
+        ACPI_GPE_CALLBACK       gpe_walk_callback)
-        u32                             flags)
 {
        struct acpi_gpe_block_info      *gpe_block;
        struct acpi_gpe_xrupt_info      *gpe_xrupt_info;
        acpi_status                     status = AE_OK;
+        u32                             flags;
        ACPI_FUNCTION_TRACE ("ev_walk_gpe_list");
-        acpi_os_acquire_lock (acpi_gbl_gpe_lock, flags);
+        flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
        /* Walk the interrupt level descriptor list */
@@ -482,7 +481,7 @@ cleanup:
 *
 * FUNCTION:    acpi_ev_get_gpe_xrupt_block
 *
- * PARAMETERS:  interrupt_level     - Interrupt for a GPE block
+ * PARAMETERS:  interrupt_number     - Interrupt for a GPE block
 *
 * RETURN:      A GPE interrupt block
 *
@@ -495,11 +494,12 @@ cleanup:
 static struct acpi_gpe_xrupt_info *
 acpi_ev_get_gpe_xrupt_block (
-        u32                             interrupt_level)
+        u32                             interrupt_number)
 {
        struct acpi_gpe_xrupt_info      *next_gpe_xrupt;
        struct acpi_gpe_xrupt_info      *gpe_xrupt;
        acpi_status                     status;
+        u32                             flags;
        ACPI_FUNCTION_TRACE ("ev_get_gpe_xrupt_block");
@@ -509,7 +509,7 @@ acpi_ev_get_gpe_xrupt_block (
        next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
        while (next_gpe_xrupt) {
-                if (next_gpe_xrupt->interrupt_level == interrupt_level) {
+                if (next_gpe_xrupt->interrupt_number == interrupt_number) {
                        return_PTR (next_gpe_xrupt);
                }
@@ -523,11 +523,11 @@ acpi_ev_get_gpe_xrupt_block (
                return_PTR (NULL);
        }
-        gpe_xrupt->interrupt_level = interrupt_level;
+        gpe_xrupt->interrupt_number = interrupt_number;
        /* Install new interrupt descriptor with spin lock */
-        acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+        flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
        if (acpi_gbl_gpe_xrupt_list_head) {
                next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
                while (next_gpe_xrupt->next) {
@@ -540,17 +540,17 @@ acpi_ev_get_gpe_xrupt_block (
        else {
                acpi_gbl_gpe_xrupt_list_head = gpe_xrupt;
        }
-        acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+        acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
        /* Install new interrupt handler if not SCI_INT */
-        if (interrupt_level != acpi_gbl_FADT->sci_int) {
+        if (interrupt_number != acpi_gbl_FADT->sci_int) {
-                status = acpi_os_install_interrupt_handler (interrupt_level,
+                status = acpi_os_install_interrupt_handler (interrupt_number,
                                 acpi_ev_gpe_xrupt_handler, gpe_xrupt);
                if (ACPI_FAILURE (status)) {
                        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
                                "Could not install GPE interrupt handler at level 0x%X\n",
-                                interrupt_level));
+                                interrupt_number));
                        return_PTR (NULL);
                }
        }
@@ -577,6 +577,7 @@ acpi_ev_delete_gpe_xrupt (
        struct acpi_gpe_xrupt_info      *gpe_xrupt)
 {
        acpi_status                     status;
+        u32                             flags;
        ACPI_FUNCTION_TRACE ("ev_delete_gpe_xrupt");
@@ -584,14 +585,14 @@ acpi_ev_delete_gpe_xrupt (
        /* We never want to remove the SCI interrupt handler */
-        if (gpe_xrupt->interrupt_level == acpi_gbl_FADT->sci_int) {
+        if (gpe_xrupt->interrupt_number == acpi_gbl_FADT->sci_int) {
                gpe_xrupt->gpe_block_list_head = NULL;
                return_ACPI_STATUS (AE_OK);
        }
        /* Disable this interrupt */
-        status = acpi_os_remove_interrupt_handler (gpe_xrupt->interrupt_level,
+        status = acpi_os_remove_interrupt_handler (gpe_xrupt->interrupt_number,
                           acpi_ev_gpe_xrupt_handler);
        if (ACPI_FAILURE (status)) {
                return_ACPI_STATUS (status);
@@ -599,7 +600,7 @@ acpi_ev_delete_gpe_xrupt (
        /* Unlink the interrupt block with lock */
-        acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+        flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
        if (gpe_xrupt->previous) {
                gpe_xrupt->previous->next = gpe_xrupt->next;
        }
@@ -607,7 +608,7 @@ acpi_ev_delete_gpe_xrupt (
        if (gpe_xrupt->next) {
                gpe_xrupt->next->previous = gpe_xrupt->previous;
        }
-        acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+        acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
        /* Free the block */
@@ -621,7 +622,7 @@ acpi_ev_delete_gpe_xrupt (
 * FUNCTION:    acpi_ev_install_gpe_block
 *
 * PARAMETERS:  gpe_block       - New GPE block
- *              interrupt_level - Level to be associated with this GPE block
+ *              interrupt_number - Xrupt to be associated with this GPE block
 *
 * RETURN:      Status
 *
@@ -632,11 +633,12 @@ acpi_ev_delete_gpe_xrupt (
 static acpi_status
 acpi_ev_install_gpe_block (
        struct acpi_gpe_block_info      *gpe_block,
-        u32                             interrupt_level)
+        u32                             interrupt_number)
 {
        struct acpi_gpe_block_info      *next_gpe_block;
        struct acpi_gpe_xrupt_info      *gpe_xrupt_block;
        acpi_status                     status;
+        u32                             flags;
        ACPI_FUNCTION_TRACE ("ev_install_gpe_block");
@@ -647,7 +649,7 @@ acpi_ev_install_gpe_block (
                return_ACPI_STATUS (status);
        }
-        gpe_xrupt_block = acpi_ev_get_gpe_xrupt_block (interrupt_level);
+        gpe_xrupt_block = acpi_ev_get_gpe_xrupt_block (interrupt_number);
        if (!gpe_xrupt_block) {
                status = AE_NO_MEMORY;
                goto unlock_and_exit;
@@ -655,7 +657,7 @@ acpi_ev_install_gpe_block (
        /* Install the new block at the end of the list with lock */
-        acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+        flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
        if (gpe_xrupt_block->gpe_block_list_head) {
                next_gpe_block = gpe_xrupt_block->gpe_block_list_head;
                while (next_gpe_block->next) {
@@ -670,7 +672,7 @@ acpi_ev_install_gpe_block (
        }
        gpe_block->xrupt_block = gpe_xrupt_block;
-        acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+        acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
 unlock_and_exit:
        status = acpi_ut_release_mutex (ACPI_MTX_EVENTS);
@@ -695,6 +697,7 @@ acpi_ev_delete_gpe_block (
        struct acpi_gpe_block_info      *gpe_block)
 {
        acpi_status                     status;
+        u32                             flags;
        ACPI_FUNCTION_TRACE ("ev_install_gpe_block");
@@ -720,7 +723,7 @@ acpi_ev_delete_gpe_block (
        else {
                /* Remove the block on this interrupt with lock */
-                acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+                flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
                if (gpe_block->previous) {
                        gpe_block->previous->next = gpe_block->next;
                }
@@ -731,7 +734,7 @@ acpi_ev_delete_gpe_block (
                if (gpe_block->next) {
                        gpe_block->next->previous = gpe_block->previous;
                }
-                acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+                acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
        }
        /* Free the gpe_block */
@@ -887,7 +890,7 @@ error_exit:
 *              gpe_block_address   - Address and space_iD
 *              register_count      - Number of GPE register pairs in the block
 *              gpe_block_base_number - Starting GPE number for the block
- *              interrupt_level     - H/W interrupt for the block
+ *              interrupt_number    - H/W interrupt for the block
 *              return_gpe_block    - Where the new block descriptor is returned
 *
 * RETURN:      Status
@@ -902,7 +905,7 @@ acpi_ev_create_gpe_block (
        struct acpi_generic_address     *gpe_block_address,
        u32                             register_count,
        u8                              gpe_block_base_number,
-        u32                             interrupt_level,
+        u32                             interrupt_number,
        struct acpi_gpe_block_info      **return_gpe_block)
 {
        struct acpi_gpe_block_info      *gpe_block;
@@ -948,7 +951,7 @@ acpi_ev_create_gpe_block (
        /* Install the new block in the global list(s) */
-        status = acpi_ev_install_gpe_block (gpe_block, interrupt_level);
+        status = acpi_ev_install_gpe_block (gpe_block, interrupt_number);
        if (ACPI_FAILURE (status)) {
                ACPI_MEM_FREE (gpe_block);
                return_ACPI_STATUS (status);
@@ -1013,7 +1016,7 @@ acpi_ev_create_gpe_block (
                                ((gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH) -1)),
                gpe_device->name.ascii,
                gpe_block->register_count,
-                interrupt_level));
+                interrupt_number));
        /* Enable all valid GPEs found above */
diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c
index 659e90956112..3df3ada4b9e7 100644
--- a/drivers/acpi/events/evmisc.c
+++ b/drivers/acpi/events/evmisc.c
@@ -411,6 +411,9 @@ acpi_ev_init_global_lock_handler (
         * with an error.
         */
        if (status == AE_NO_HARDWARE_RESPONSE) {
+                ACPI_REPORT_ERROR ((
+                        "No response from Global Lock hardware, disabling lock\n"));
                acpi_gbl_global_lock_present = FALSE;
                status = AE_OK;
        }
@@ -589,7 +592,7 @@ acpi_ev_terminate (
                /* Disable all GPEs in all GPE blocks */
-                status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block, ACPI_NOT_ISR);
+                status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block);
                /* Remove SCI handler */
@@ -602,7 +605,7 @@ acpi_ev_terminate (
        /* Deallocate all handler objects installed within GPE info structs */
-        status = acpi_ev_walk_gpe_list (acpi_ev_delete_gpe_handlers, ACPI_NOT_ISR);
+        status = acpi_ev_walk_gpe_list (acpi_ev_delete_gpe_handlers);
        /* Return to original mode if necessary */
diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c
index 95bc09c73a6a..f2d53af97610 100644
--- a/drivers/acpi/events/evrgnini.c
+++ b/drivers/acpi/events/evrgnini.c
@@ -218,10 +218,14 @@ acpi_ev_pci_config_region_setup (
                while (pci_root_node != acpi_gbl_root_node) {
                        status = acpi_ut_execute_HID (pci_root_node, &object_hID);
                        if (ACPI_SUCCESS (status)) {
-                                /* Got a valid _HID, check if this is a PCI root */
+                                /*
+                                 * Got a valid _HID string, check if this is a PCI root.
+                                 * New for ACPI 3.0: check for a PCI Express root also.
+                                 */
                                if (!(ACPI_STRNCMP (object_hID.value, PCI_ROOT_HID_STRING,
-                                                   sizeof (PCI_ROOT_HID_STRING)))) {
+                                                   sizeof (PCI_ROOT_HID_STRING))           ||
+                                        !(ACPI_STRNCMP (object_hID.value, PCI_EXPRESS_ROOT_HID_STRING,
+                                                          sizeof (PCI_EXPRESS_ROOT_HID_STRING))))) {
                                        /* Install a handler for this PCI root bridge */
                                        status = acpi_install_address_space_handler ((acpi_handle) pci_root_node,
diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c
index 4092d47f6758..4c1c25e316a8 100644
--- a/drivers/acpi/events/evxface.c
+++ b/drivers/acpi/events/evxface.c
@@ -591,6 +591,7 @@ acpi_install_gpe_handler (
        struct acpi_gpe_event_info      *gpe_event_info;
        struct acpi_handler_info        *handler;
        acpi_status                     status;
+        u32                             flags;
        ACPI_FUNCTION_TRACE ("acpi_install_gpe_handler");
@@ -643,7 +644,7 @@ acpi_install_gpe_handler (
        /* Install the handler */
-        acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+        flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
        gpe_event_info->dispatch.handler = handler;
        /* Setup up dispatch flags to indicate handler (vs. method) */
@@ -651,7 +652,7 @@ acpi_install_gpe_handler (
        gpe_event_info->flags &= ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK); /* Clear bits */
        gpe_event_info->flags |= (u8) (type | ACPI_GPE_DISPATCH_HANDLER);
-        acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+        acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
 unlock_and_exit:
@@ -685,6 +686,7 @@ acpi_remove_gpe_handler (
        struct acpi_gpe_event_info      *gpe_event_info;
        struct acpi_handler_info        *handler;
        acpi_status                     status;
+        u32                             flags;
        ACPI_FUNCTION_TRACE ("acpi_remove_gpe_handler");
@@ -741,7 +743,7 @@ acpi_remove_gpe_handler (
        /* Remove the handler */
-        acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+        flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
        handler = gpe_event_info->dispatch.handler;
        /* Restore Method node (if any), set dispatch flags */
@@ -751,7 +753,7 @@ acpi_remove_gpe_handler (
        if (handler->method_node) {
                gpe_event_info->flags |= ACPI_GPE_DISPATCH_METHOD;
        }
-        acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+        acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
        /* Now we can free the handler object */
diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c
index f337dc2cc569..c5f74d7b64d8 100644
--- a/drivers/acpi/events/evxfevnt.c
+++ b/drivers/acpi/events/evxfevnt.c
@@ -635,7 +635,7 @@ unlock_and_exit:
 * PARAMETERS:  gpe_device          - Handle to the parent GPE Block Device
 *              gpe_block_address   - Address and space_iD
 *              register_count      - Number of GPE register pairs in the block
- *              interrupt_level     - H/W interrupt for the block
+ *              interrupt_number    - H/W interrupt for the block
 *
 * RETURN:      Status
 *
@@ -648,7 +648,7 @@ acpi_install_gpe_block (
        acpi_handle                     gpe_device,
        struct acpi_generic_address     *gpe_block_address,
        u32                             register_count,
-        u32                             interrupt_level)
+        u32                             interrupt_number)
 {
        acpi_status                     status;
        union acpi_operand_object       *obj_desc;
@@ -681,7 +681,7 @@ acpi_install_gpe_block (
         * is always zero
         */
        status = acpi_ev_create_gpe_block (node, gpe_block_address, register_count,
-                          0, interrupt_level, &gpe_block);
+                          0, interrupt_number, &gpe_block);
        if (ACPI_FAILURE (status)) {
                goto unlock_and_exit;
        }
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 734b2f24af48..d11e9ec827f1 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -99,6 +99,11 @@ acpi_ex_add_table (
                return_ACPI_STATUS (AE_NO_MEMORY);
        }
+        /* Init the table handle */
+        obj_desc->reference.opcode = AML_LOAD_OP;
+        *ddb_handle = obj_desc;
        /* Install the new table into the local data structures */
        ACPI_MEMSET (&table_info, 0, sizeof (struct acpi_table_desc));
@@ -109,7 +114,14 @@ acpi_ex_add_table (
        table_info.allocation = ACPI_MEM_ALLOCATED;
        status = acpi_tb_install_table (&table_info);
+        obj_desc->reference.object = table_info.installed_desc;
        if (ACPI_FAILURE (status)) {
+                if (status == AE_ALREADY_EXISTS) {
+                        /* Table already exists, just return the handle */
+                        return_ACPI_STATUS (AE_OK);
+                }
                goto cleanup;
        }
@@ -123,16 +135,12 @@ acpi_ex_add_table (
                goto cleanup;
        }
-        /* Init the table handle */
-        obj_desc->reference.opcode = AML_LOAD_OP;
-        obj_desc->reference.object = table_info.installed_desc;
-        *ddb_handle = obj_desc;
        return_ACPI_STATUS (AE_OK);
 cleanup:
        acpi_ut_remove_reference (obj_desc);
+        *ddb_handle = NULL;
        return_ACPI_STATUS (status);
 }
@@ -376,16 +384,22 @@ acpi_ex_load_op (
                 */
                status = acpi_ex_read_data_from_field (walk_state, obj_desc, &buffer_desc);
                if (ACPI_FAILURE (status)) {
-                        goto cleanup;
+                        return_ACPI_STATUS (status);
                }
                table_ptr = ACPI_CAST_PTR (struct acpi_table_header,
                                  buffer_desc->buffer.pointer);
-                 /* Sanity check the table length */
+                /* All done with the buffer_desc, delete it */
+                buffer_desc->buffer.pointer = NULL;
+                acpi_ut_remove_reference (buffer_desc);
+                /* Sanity check the table length */
                if (table_ptr->length < sizeof (struct acpi_table_header)) {
-                        return_ACPI_STATUS (AE_BAD_HEADER);
+                        status = AE_BAD_HEADER;
+                        goto cleanup;
                }
                break;
@@ -413,7 +427,9 @@ acpi_ex_load_op (
        status = acpi_ex_add_table (table_ptr, acpi_gbl_root_node, &ddb_handle);
        if (ACPI_FAILURE (status)) {
-                goto cleanup;
+                /* On error, table_ptr was deallocated above */
+                return_ACPI_STATUS (status);
        }
        /* Store the ddb_handle into the Target operand */
@@ -421,17 +437,14 @@ acpi_ex_load_op (
        status = acpi_ex_store (ddb_handle, target, walk_state);
        if (ACPI_FAILURE (status)) {
                (void) acpi_ex_unload_table (ddb_handle);
-        }
-        return_ACPI_STATUS (status);
+                /* table_ptr was deallocated above */
+                return_ACPI_STATUS (status);
+        }
 cleanup:
+        if (ACPI_FAILURE (status)) {
-        if (buffer_desc) {
-                acpi_ut_remove_reference (buffer_desc);
-        }
-        else {
                ACPI_MEM_FREE (table_ptr);
        }
        return_ACPI_STATUS (status);
@@ -482,7 +495,8 @@ acpi_ex_unload_table (
         * Delete the entire namespace under this table Node
         * (Offset contains the table_id)
         */
-        acpi_ns_delete_namespace_by_owner (table_info->table_id);
+        acpi_ns_delete_namespace_by_owner (table_info->owner_id);
+        acpi_ut_release_owner_id (&table_info->owner_id);
        /* Delete the table itself */
diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c
index 97856c48bd74..21331625e66e 100644
--- a/drivers/acpi/executer/exconvrt.c
+++ b/drivers/acpi/executer/exconvrt.c
@@ -367,7 +367,7 @@ acpi_ex_convert_to_ascii (
                /* hex_length: 2 ascii hex chars per data byte */
-                hex_length = ACPI_MUL_2 (data_width);
+                hex_length = (acpi_native_uint) ACPI_MUL_2 (data_width);
                for (i = 0, j = (hex_length-1); i < hex_length; i++, j--) {
                        /* Get one hex digit, most significant digits first */
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index 408500648114..4f98dceed39a 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -51,6 +51,11 @@
 #define _COMPONENT          ACPI_EXECUTER
         ACPI_MODULE_NAME    ("exdump")
+/*
+ * The following routines are used for debug output only
+ */
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 /* Local prototypes */
 #ifdef ACPI_FUTURE_USAGE
@@ -73,13 +78,17 @@ static void
 acpi_ex_out_address (
        char                            *title,
        acpi_physical_address           value);
-#endif  /* ACPI_FUTURE_USAGE */
+static void
+acpi_ex_dump_reference (
+        union acpi_operand_object       *obj_desc);
-/*
+static void
- * The following routines are used for debug output only
+acpi_ex_dump_package (
- */
+        union acpi_operand_object       *obj_desc,
-#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+        u32                             level,
+        u32                             index);
+#endif  /* ACPI_FUTURE_USAGE */
 /*******************************************************************************
 *
@@ -118,7 +127,7 @@ acpi_ex_dump_operand (
        }
        if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_NAMED) {
-                ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%p is a NS Node: ", obj_desc));
+                ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%p Namespace Node: ", obj_desc));
                ACPI_DUMP_ENTRY (obj_desc, ACPI_LV_EXEC);
                return;
        }
@@ -467,7 +476,7 @@ acpi_ex_dump_operands (
        }
        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
-                "************* Stack dump from %s(%d), %s\n",
+                "************* Operand Stack dump from %s(%d), %s\n",
                module_name, line_number, note));
        return;
 }
@@ -508,7 +517,7 @@ acpi_ex_out_integer (
        char                            *title,
        u32                             value)
 {
-        acpi_os_printf ("%20s : %X\n", title, value);
+        acpi_os_printf ("%20s : %.2X\n", title, value);
 }
 static void
@@ -565,9 +574,144 @@ acpi_ex_dump_node (
 /*******************************************************************************
 *
+ * FUNCTION:    acpi_ex_dump_reference
+ *
+ * PARAMETERS:  Object              - Descriptor to dump
+ *
+ * DESCRIPTION: Dumps a reference object
+ *
+ ******************************************************************************/
+static void
+acpi_ex_dump_reference (
+        union acpi_operand_object       *obj_desc)
+{
+        struct acpi_buffer              ret_buf;
+        acpi_status                     status;
+        if (obj_desc->reference.opcode == AML_INT_NAMEPATH_OP) {
+                acpi_os_printf ("Named Object %p ", obj_desc->reference.node);
+                ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER;
+                status = acpi_ns_handle_to_pathname (obj_desc->reference.node, &ret_buf);
+                if (ACPI_FAILURE (status)) {
+                        acpi_os_printf ("Could not convert name to pathname\n");
+                }
+                else {
+                   acpi_os_printf ("%s\n", (char *) ret_buf.pointer);
+                   ACPI_MEM_FREE (ret_buf.pointer);
+                }
+        }
+        else if (obj_desc->reference.object) {
+                acpi_os_printf ("\nReferenced Object: %p\n", obj_desc->reference.object);
+        }
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ex_dump_package
+ *
+ * PARAMETERS:  Object              - Descriptor to dump
+ *              Level               - Indentation Level
+ *              Index               - Package index for this object
+ *
+ * DESCRIPTION: Dumps the elements of the package
+ *
+ ******************************************************************************/
+static void
+acpi_ex_dump_package (
+        union acpi_operand_object       *obj_desc,
+        u32                             level,
+        u32                             index)
+{
+        u32                             i;
+        /* Indentation and index output */
+        if (level > 0) {
+                for (i = 0; i < level; i++) {
+                        acpi_os_printf (" ");
+                }
+                acpi_os_printf ("[%.2d] ", index);
+        }
+        acpi_os_printf ("%p ", obj_desc);
+        /* Null package elements are allowed */
+        if (!obj_desc) {
+                acpi_os_printf ("[Null Object]\n");
+                return;
+        }
+        /* Packages may only contain a few object types */
+        switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
+        case ACPI_TYPE_INTEGER:
+                acpi_os_printf ("[Integer] = %8.8X%8.8X\n",
+                                 ACPI_FORMAT_UINT64 (obj_desc->integer.value));
+                break;
+        case ACPI_TYPE_STRING:
+                acpi_os_printf ("[String] Value: ");
+                for (i = 0; i < obj_desc->string.length; i++) {
+                        acpi_os_printf ("%c", obj_desc->string.pointer[i]);
+                }
+                acpi_os_printf ("\n");
+                break;
+        case ACPI_TYPE_BUFFER:
+                acpi_os_printf ("[Buffer] Length %.2X = ", obj_desc->buffer.length);
+                if (obj_desc->buffer.length) {
+                        acpi_ut_dump_buffer ((u8 *) obj_desc->buffer.pointer,
+                                        obj_desc->buffer.length, DB_DWORD_DISPLAY, _COMPONENT);
+                }
+                else {
+                        acpi_os_printf ("\n");
+                }
+                break;
+        case ACPI_TYPE_PACKAGE:
+                acpi_os_printf ("[Package] Contains %d Elements: \n",
+                                obj_desc->package.count);
+                for (i = 0; i < obj_desc->package.count; i++) {
+                        acpi_ex_dump_package (obj_desc->package.elements[i], level+1, i);
+                }
+                break;
+        case ACPI_TYPE_LOCAL_REFERENCE:
+                acpi_os_printf ("[Object Reference] ");
+                acpi_ex_dump_reference (obj_desc);
+                break;
+        default:
+                acpi_os_printf ("[Unknown Type] %X\n", ACPI_GET_OBJECT_TYPE (obj_desc));
+                break;
+        }
+}
+/*******************************************************************************
+ *
 * FUNCTION:    acpi_ex_dump_object_descriptor
 *
- * PARAMETERS:  *Object             - Descriptor to dump
+ * PARAMETERS:  Object              - Descriptor to dump
 *              Flags               - Force display if TRUE
 *
 * DESCRIPTION: Dumps the members of the object descriptor given.
@@ -579,9 +723,6 @@ acpi_ex_dump_object_descriptor (
        union acpi_operand_object       *obj_desc,
        u32                             flags)
 {
-        u32                             i;
        ACPI_FUNCTION_TRACE ("ex_dump_object_descriptor");
@@ -648,22 +789,13 @@ acpi_ex_dump_object_descriptor (
        case ACPI_TYPE_PACKAGE:
                acpi_ex_out_integer ("Flags",       obj_desc->package.flags);
-                acpi_ex_out_integer ("Count",       obj_desc->package.count);
+                acpi_ex_out_integer ("Elements",    obj_desc->package.count);
-                acpi_ex_out_pointer ("Elements",    obj_desc->package.elements);
+                acpi_ex_out_pointer ("Element List", obj_desc->package.elements);
                /* Dump the package contents */
-                if (obj_desc->package.count > 0) {
+                acpi_os_printf ("\nPackage Contents:\n");
-                        acpi_os_printf ("\nPackage Contents:\n");
+                acpi_ex_dump_package (obj_desc, 0, 0);
-                        for (i = 0; i < obj_desc->package.count; i++) {
-                                acpi_os_printf ("[%.3d] %p", i, obj_desc->package.elements[i]);
-                                if (obj_desc->package.elements[i]) {
-                                        acpi_os_printf (" %s",
-                                                acpi_ut_get_object_type_name (obj_desc->package.elements[i]));
-                                }
-                                acpi_os_printf ("\n");
-                        }
-                }
                break;
@@ -686,7 +818,7 @@ acpi_ex_dump_object_descriptor (
                acpi_ex_out_integer ("param_count", obj_desc->method.param_count);
                acpi_ex_out_integer ("Concurrency", obj_desc->method.concurrency);
                acpi_ex_out_pointer ("Semaphore",   obj_desc->method.semaphore);
-                acpi_ex_out_integer ("owning_id",   obj_desc->method.owning_id);
+                acpi_ex_out_integer ("owner_id",    obj_desc->method.owner_id);
                acpi_ex_out_integer ("aml_length",  obj_desc->method.aml_length);
                acpi_ex_out_pointer ("aml_start",   obj_desc->method.aml_start);
                break;
@@ -790,10 +922,7 @@ acpi_ex_dump_object_descriptor (
                acpi_ex_out_pointer ("Node",        obj_desc->reference.node);
                acpi_ex_out_pointer ("Where",       obj_desc->reference.where);
-                if (obj_desc->reference.object) {
+                acpi_ex_dump_reference (obj_desc);
-                        acpi_os_printf ("\nReferenced Object:\n");
-                        acpi_ex_dump_object_descriptor (obj_desc->reference.object, flags);
-                }
                break;
diff --git a/drivers/acpi/executer/exfield.c b/drivers/acpi/executer/exfield.c
index 22c8fa480f60..a690c9250990 100644
--- a/drivers/acpi/executer/exfield.c
+++ b/drivers/acpi/executer/exfield.c
@@ -87,6 +87,9 @@ acpi_ex_read_data_from_field (
        if (!obj_desc) {
                return_ACPI_STATUS (AE_AML_NO_OPERAND);
        }
+        if (!ret_buffer_desc) {
+                return_ACPI_STATUS (AE_BAD_PARAMETER);
+        }
        if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_BUFFER_FIELD) {
                /*
@@ -182,7 +185,7 @@ exit:
        if (ACPI_FAILURE (status)) {
                acpi_ut_remove_reference (buffer_desc);
        }
-        else if (ret_buffer_desc) {
+        else {
                *ret_buffer_desc = buffer_desc;
        }
diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c
index 022f281345b8..237ef28c8132 100644
--- a/drivers/acpi/executer/exmisc.c
+++ b/drivers/acpi/executer/exmisc.c
@@ -302,7 +302,7 @@ acpi_ex_do_concatenate (
                /* Result of two Integers is a Buffer */
                /* Need enough buffer space for two integers */
-                return_desc = acpi_ut_create_buffer_object (
+                return_desc = acpi_ut_create_buffer_object ((acpi_size)
                                   ACPI_MUL_2 (acpi_gbl_integer_byte_width));
                if (!return_desc) {
                        status = AE_NO_MEMORY;
diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c
index 639f0bd3f6d8..b6ba1a7a677a 100644
--- a/drivers/acpi/executer/exnames.c
+++ b/drivers/acpi/executer/exnames.c
@@ -438,6 +438,13 @@ acpi_ex_get_name_string (
                status = AE_AML_BAD_NAME;
        }
+        if (ACPI_FAILURE (status)) {
+                if (name_string) {
+                        ACPI_MEM_FREE (name_string);
+                }
+                return_ACPI_STATUS (status);
+        }
        *out_name_string = name_string;
        *out_name_length = (u32) (aml_address - in_aml_address);
diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c
index dbdf8262ba00..48c30f800083 100644
--- a/drivers/acpi/executer/exoparg1.c
+++ b/drivers/acpi/executer/exoparg1.c
@@ -113,8 +113,9 @@ acpi_ex_opcode_0A_0T_1R (
                        status = AE_NO_MEMORY;
                        goto cleanup;
                }
+#if ACPI_MACHINE_WIDTH != 16
                return_desc->integer.value = acpi_os_get_timer ();
+#endif
                break;
        default:                /*  Unknown opcode  */
@@ -127,15 +128,16 @@ acpi_ex_opcode_0A_0T_1R (
 cleanup:
-        if (!walk_state->result_obj) {
-                walk_state->result_obj = return_desc;
-        }
        /* Delete return object on error */
-        if (ACPI_FAILURE (status)) {
+        if ((ACPI_FAILURE (status)) || walk_state->result_obj) {
                acpi_ut_remove_reference (return_desc);
        }
+        else {
+                /* Save the return value */
+                walk_state->result_obj = return_desc;
+        }
        return_ACPI_STATUS (status);
 }
@@ -902,6 +904,7 @@ acpi_ex_opcode_1A_0T_1R (
                         */
                        return_desc = acpi_ns_get_attached_object (
                                          (struct acpi_namespace_node *) operand[0]);
+                        acpi_ut_add_reference (return_desc);
                }
                else {
                        /*
@@ -951,20 +954,10 @@ acpi_ex_opcode_1A_0T_1R (
                                         * add another reference to the referenced object, however.
                                         */
                                        return_desc = *(operand[0]->reference.where);
-                                        if (!return_desc) {
+                                        if (return_desc) {
-                                                /*
+                                                acpi_ut_add_reference (return_desc);
-                                                 * We can't return a NULL dereferenced value.  This is
-                                                 * an uninitialized package element and is thus a
-                                                 * severe error.
-                                                 */
-                                                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-                                                        "NULL package element obj %p\n",
-                                                        operand[0]));
-                                                status = AE_AML_UNINITIALIZED_ELEMENT;
-                                                goto cleanup;
                                        }
-                                        acpi_ut_add_reference (return_desc);
                                        break;
diff --git a/drivers/acpi/executer/exoparg3.c b/drivers/acpi/executer/exoparg3.c
index 23b068adbf58..197890f443b5 100644
--- a/drivers/acpi/executer/exoparg3.c
+++ b/drivers/acpi/executer/exoparg3.c
@@ -160,7 +160,7 @@ acpi_ex_opcode_3A_1T_1R (
 {
        union acpi_operand_object       **operand = &walk_state->operands[0];
        union acpi_operand_object       *return_desc = NULL;
-        char                            *buffer;
+        char                            *buffer = NULL;
        acpi_status                     status = AE_OK;
        acpi_integer                    index;
        acpi_size                       length;
@@ -193,34 +193,63 @@ acpi_ex_opcode_3A_1T_1R (
                 * If the index is beyond the length of the String/Buffer, or if the
                 * requested length is zero, return a zero-length String/Buffer
                 */
-                if ((index < operand[0]->string.length) &&
+                if (index >= operand[0]->string.length) {
-                        (length > 0)) {
+                        length = 0;
-                        /* Truncate request if larger than the actual String/Buffer */
+                }
-                        if ((index + length) >
+                /* Truncate request if larger than the actual String/Buffer */
-                                operand[0]->string.length) {
-                                length = (acpi_size) operand[0]->string.length -
+                else if ((index + length) > operand[0]->string.length) {
-                                                 (acpi_size) index;
+                        length = (acpi_size) operand[0]->string.length -
-                        }
+                                         (acpi_size) index;
+                }
-                        /* Allocate a new buffer for the String/Buffer */
+                /* Strings always have a sub-pointer, not so for buffers */
+                switch (ACPI_GET_OBJECT_TYPE (operand[0])) {
+                case ACPI_TYPE_STRING:
+                        /* Always allocate a new buffer for the String */
                        buffer = ACPI_MEM_CALLOCATE ((acpi_size) length + 1);
                        if (!buffer) {
                                status = AE_NO_MEMORY;
                                goto cleanup;
                        }
+                        break;
+                case ACPI_TYPE_BUFFER:
+                        /* If the requested length is zero, don't allocate a buffer */
+                        if (length > 0) {
+                                /* Allocate a new buffer for the Buffer */
+                                buffer = ACPI_MEM_CALLOCATE (length);
+                                if (!buffer) {
+                                        status = AE_NO_MEMORY;
+                                        goto cleanup;
+                                }
+                        }
+                        break;
+                default:                        /* Should not happen */
+                        status = AE_AML_OPERAND_TYPE;
+                        goto cleanup;
+                }
+                if (length > 0) {
                        /* Copy the portion requested */
                        ACPI_MEMCPY (buffer, operand[0]->string.pointer + index,
                                          length);
+                }
-                        /* Set the length of the new String/Buffer */
+                /* Set the length of the new String/Buffer */
-                        return_desc->string.pointer = buffer;
+                return_desc->string.pointer = buffer;
-                        return_desc->string.length = (u32) length;
+                return_desc->string.length = (u32) length;
-                }
                /* Mark buffer initialized */
@@ -244,13 +273,13 @@ cleanup:
        /* Delete return object on error */
-        if (ACPI_FAILURE (status)) {
+        if (ACPI_FAILURE (status) || walk_state->result_obj) {
                acpi_ut_remove_reference (return_desc);
        }
        /* Set the return object and exit */
-        if (!walk_state->result_obj) {
+        else {
                walk_state->result_obj = return_desc;
        }
        return_ACPI_STATUS (status);
diff --git a/drivers/acpi/executer/exresop.c b/drivers/acpi/executer/exresop.c
index d8b470eefe7a..aaba7abcb52d 100644
--- a/drivers/acpi/executer/exresop.c
+++ b/drivers/acpi/executer/exresop.c
@@ -426,6 +426,10 @@ acpi_ex_resolve_operands (
                                return_ACPI_STATUS (status);
                        }
+                        if (obj_desc != *stack_ptr) {
+                                acpi_ut_remove_reference (obj_desc);
+                        }
                        goto next_operand;
@@ -448,6 +452,10 @@ acpi_ex_resolve_operands (
                                return_ACPI_STATUS (status);
                        }
+                        if (obj_desc != *stack_ptr) {
+                                acpi_ut_remove_reference (obj_desc);
+                        }
                        goto next_operand;
@@ -471,6 +479,10 @@ acpi_ex_resolve_operands (
                                return_ACPI_STATUS (status);
                        }
+                        if (obj_desc != *stack_ptr) {
+                                acpi_ut_remove_reference (obj_desc);
+                        }
                        goto next_operand;
@@ -515,6 +527,10 @@ acpi_ex_resolve_operands (
                                if (ACPI_FAILURE (status)) {
                                        return_ACPI_STATUS (status);
                                }
+                                if (obj_desc != *stack_ptr) {
+                                        acpi_ut_remove_reference (obj_desc);
+                                }
                                break;
                        default:
diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c
index 2725db0901b8..59dbfeaa54c0 100644
--- a/drivers/acpi/executer/exstore.c
+++ b/drivers/acpi/executer/exstore.c
@@ -147,7 +147,7 @@ acpi_ex_do_debug_object (
        case ACPI_TYPE_BUFFER:
-                ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]",
+                ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]\n",
                        (u32) source_desc->buffer.length));
                ACPI_DUMP_BUFFER (source_desc->buffer.pointer,
                        (source_desc->buffer.length < 32) ? source_desc->buffer.length : 32);
@@ -574,7 +574,7 @@ acpi_ex_store_object_to_node (
        /* If no implicit conversion, drop into the default case below */
-        if (!implicit_conversion) {
+        if ((!implicit_conversion) || (walk_state->opcode == AML_COPY_OP)) {
                /* Force execution of default (no implicit conversion) */
                target_type = ACPI_TYPE_ANY;
@@ -634,7 +634,7 @@ acpi_ex_store_object_to_node (
        default:
                ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
-                        "Storing %s (%p) directly into node (%p), no implicit conversion\n",
+                        "Storing %s (%p) directly into node (%p) with no implicit conversion\n",
                        acpi_ut_get_object_type_name (source_desc), source_desc, node));
                /* No conversions for all other types.  Just attach the source object */
diff --git a/drivers/acpi/executer/exstoren.c b/drivers/acpi/executer/exstoren.c
index 120f30ed0bd4..433588ab432a 100644
--- a/drivers/acpi/executer/exstoren.c
+++ b/drivers/acpi/executer/exstoren.c
@@ -265,10 +265,6 @@ acpi_ex_store_object_to_object (
        case ACPI_TYPE_BUFFER:
-                /*
-                 * Note: There is different store behavior depending on the original
-                 * source type
-                 */
                status = acpi_ex_store_buffer_to_buffer (actual_src_desc, dest_desc);
                break;
diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c
index 5c7ec0c04177..d00b0dcba96a 100644
--- a/drivers/acpi/executer/exutils.c
+++ b/drivers/acpi/executer/exutils.c
@@ -369,7 +369,7 @@ acpi_ex_eisa_id_to_string (
 *
 * RETURN:      None, string
 *
- * DESCRIPTOIN: Convert a number to string representation. Assumes string
+ * DESCRIPTION: Convert a number to string representation. Assumes string
 *              buffer is large enough to hold the string.
 *
 ******************************************************************************/
diff --git a/drivers/acpi/hardware/hwgpe.c b/drivers/acpi/hardware/hwgpe.c
index 8daeabb2fc7a..3536bbb990c3 100644
--- a/drivers/acpi/hardware/hwgpe.c
+++ b/drivers/acpi/hardware/hwgpe.c
@@ -374,7 +374,7 @@ acpi_hw_enable_wakeup_gpe_block (
 *
 * FUNCTION:    acpi_hw_disable_all_gpes
 *
- * PARAMETERS:  Flags           - ACPI_NOT_ISR or ACPI_ISR
+ * PARAMETERS:  None
 *
 * RETURN:      Status
 *
@@ -384,7 +384,7 @@ acpi_hw_enable_wakeup_gpe_block (
 acpi_status
 acpi_hw_disable_all_gpes (
-        u32                             flags)
+        void)
 {
        acpi_status                     status;
@@ -392,8 +392,8 @@ acpi_hw_disable_all_gpes (
        ACPI_FUNCTION_TRACE ("hw_disable_all_gpes");
-        status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block, flags);
+        status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block);
-        status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block, flags);
+        status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block);
        return_ACPI_STATUS (status);
 }
@@ -402,7 +402,7 @@ acpi_hw_disable_all_gpes (
 *
 * FUNCTION:    acpi_hw_enable_all_runtime_gpes
 *
- * PARAMETERS:  Flags           - ACPI_NOT_ISR or ACPI_ISR
+ * PARAMETERS:  None
 *
 * RETURN:      Status
 *
@@ -412,7 +412,7 @@ acpi_hw_disable_all_gpes (
 acpi_status
 acpi_hw_enable_all_runtime_gpes (
-        u32                             flags)
+        void)
 {
        acpi_status                     status;
@@ -420,7 +420,7 @@ acpi_hw_enable_all_runtime_gpes (
        ACPI_FUNCTION_TRACE ("hw_enable_all_runtime_gpes");
-        status = acpi_ev_walk_gpe_list (acpi_hw_enable_runtime_gpe_block, flags);
+        status = acpi_ev_walk_gpe_list (acpi_hw_enable_runtime_gpe_block);
        return_ACPI_STATUS (status);
 }
@@ -429,7 +429,7 @@ acpi_hw_enable_all_runtime_gpes (
 *
 * FUNCTION:    acpi_hw_enable_all_wakeup_gpes
 *
- * PARAMETERS:  Flags           - ACPI_NOT_ISR or ACPI_ISR
+ * PARAMETERS:  None
 *
 * RETURN:      Status
 *
@@ -439,7 +439,7 @@ acpi_hw_enable_all_runtime_gpes (
 acpi_status
 acpi_hw_enable_all_wakeup_gpes (
-        u32                             flags)
+        void)
 {
        acpi_status                     status;
@@ -447,7 +447,7 @@ acpi_hw_enable_all_wakeup_gpes (
        ACPI_FUNCTION_TRACE ("hw_enable_all_wakeup_gpes");
-        status = acpi_ev_walk_gpe_list (acpi_hw_enable_wakeup_gpe_block, flags);
+        status = acpi_ev_walk_gpe_list (acpi_hw_enable_wakeup_gpe_block);
        return_ACPI_STATUS (status);
 }
diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/hardware/hwregs.c
index 6d9e4eb84836..04a058565d8d 100644
--- a/drivers/acpi/hardware/hwregs.c
+++ b/drivers/acpi/hardware/hwregs.c
@@ -106,7 +106,7 @@ acpi_hw_clear_acpi_status (
        /* Clear the GPE Bits in all GPE registers in all GPE blocks */
-        status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block, ACPI_ISR);
+        status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block);
 unlock_and_exit:
        if (flags & ACPI_MTX_LOCK) {
diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
index 415d342aeab5..cedee0c43b5f 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/hardware/hwsleep.c
@@ -274,13 +274,13 @@ acpi_enter_sleep_state (
         * 1) Disable/Clear all GPEs
         * 2) Enable all wakeup GPEs
         */
-        status = acpi_hw_disable_all_gpes (ACPI_ISR);
+        status = acpi_hw_disable_all_gpes ();
        if (ACPI_FAILURE (status)) {
                return_ACPI_STATUS (status);
        }
        acpi_gbl_system_awake_and_running = FALSE;
-        status = acpi_hw_enable_all_wakeup_gpes (ACPI_ISR);
+        status = acpi_hw_enable_all_wakeup_gpes ();
        if (ACPI_FAILURE (status)) {
                return_ACPI_STATUS (status);
        }
@@ -424,13 +424,13 @@ acpi_enter_sleep_state_s4bios (
         * 1) Disable/Clear all GPEs
         * 2) Enable all wakeup GPEs
         */
-        status = acpi_hw_disable_all_gpes (ACPI_ISR);
+        status = acpi_hw_disable_all_gpes ();
        if (ACPI_FAILURE (status)) {
                return_ACPI_STATUS (status);
        }
        acpi_gbl_system_awake_and_running = FALSE;
-        status = acpi_hw_enable_all_wakeup_gpes (ACPI_ISR);
+        status = acpi_hw_enable_all_wakeup_gpes ();
        if (ACPI_FAILURE (status)) {
                return_ACPI_STATUS (status);
        }
@@ -557,13 +557,13 @@ acpi_leave_sleep_state (
         * 1) Disable/Clear all GPEs
         * 2) Enable all runtime GPEs
         */
-        status = acpi_hw_disable_all_gpes (ACPI_NOT_ISR);
+        status = acpi_hw_disable_all_gpes ();
        if (ACPI_FAILURE (status)) {
                return_ACPI_STATUS (status);
        }
        acpi_gbl_system_awake_and_running = TRUE;
-        status = acpi_hw_enable_all_runtime_gpes (ACPI_NOT_ISR);
+        status = acpi_hw_enable_all_runtime_gpes ();
        if (ACPI_FAILURE (status)) {
                return_ACPI_STATUS (status);
        }
diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c
index ece7a9dedd5c..7589e1fdf25a 100644
--- a/drivers/acpi/namespace/nsaccess.c
+++ b/drivers/acpi/namespace/nsaccess.c
@@ -159,19 +159,20 @@ acpi_ns_root_initialize (
                                obj_desc->method.param_count = (u8) ACPI_TO_INTEGER (val);
                                obj_desc->common.flags |= AOPOBJ_DATA_VALID;
-#if defined (_ACPI_ASL_COMPILER) || defined (_ACPI_DUMP_App)
+#if defined (ACPI_ASL_COMPILER)
-                                /*
+                                /* save the parameter count for the i_aSL compiler */
-                                 * i_aSL Compiler cheats by putting parameter count
-                                 * in the owner_iD
+                                new_node->value = obj_desc->method.param_count;
-                                 */
-                                new_node->owner_id = obj_desc->method.param_count;
 #else
                                /* Mark this as a very SPECIAL method */
                                obj_desc->method.method_flags = AML_METHOD_INTERNAL_ONLY;
+#ifndef ACPI_DUMP_APP
                                obj_desc->method.implementation = acpi_ut_osi_implementation;
 #endif
+#endif
                                break;
                        case ACPI_TYPE_INTEGER:
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index 5653a19d7172..21d560decbf9 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -83,7 +83,7 @@ acpi_ns_create_node (
                return_PTR (NULL);
        }
-        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_allocated++);
+        ACPI_MEM_TRACKING (acpi_gbl_ns_node_list->total_allocated++);
        node->name.integer   = name;
        node->reference_count = 1;
@@ -151,7 +151,7 @@ acpi_ns_delete_node (
                }
        }
-        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_freed++);
+        ACPI_MEM_TRACKING (acpi_gbl_ns_node_list->total_freed++);
        /*
         * Detach an object if there is one then delete the node
@@ -176,10 +176,9 @@ acpi_ns_delete_node (
 * DESCRIPTION: Initialize a new namespace node and install it amongst
 *              its peers.
 *
- *              Note: Current namespace lookup is linear search.  However, the
+ *              Note: Current namespace lookup is linear search. This appears
- *              nodes are linked in alphabetical order to 1) put all reserved
+ *              to be sufficient as namespace searches consume only a small
- *              names (start with underscore) first, and to 2) make a readable
+ *              fraction of the execution time of the ACPI subsystem.
- *              namespace dump.
 *
 ******************************************************************************/
@@ -190,12 +189,8 @@ acpi_ns_install_node (
        struct acpi_namespace_node      *node,          /* New Child*/
        acpi_object_type                type)
 {
-        u16                             owner_id = 0;
+        acpi_owner_id                   owner_id = 0;
        struct acpi_namespace_node      *child_node;
-#ifdef ACPI_ALPHABETIC_NAMESPACE
-        struct acpi_namespace_node      *previous_child_node;
-#endif
        ACPI_FUNCTION_TRACE ("ns_install_node");
@@ -219,57 +214,6 @@ acpi_ns_install_node (
                node->peer = parent_node;
        }
        else {
-#ifdef ACPI_ALPHABETIC_NAMESPACE
-                /*
-                 * Walk the list whilst searching for the correct
-                 * alphabetic placement.
-                 */
-                previous_child_node = NULL;
-                while (acpi_ns_compare_names (acpi_ut_get_node_name (child_node),
-                                 acpi_ut_get_node_name (node)) < 0) {
-                        if (child_node->flags & ANOBJ_END_OF_PEER_LIST) {
-                                /* Last peer;  Clear end-of-list flag */
-                                child_node->flags &= ~ANOBJ_END_OF_PEER_LIST;
-                                /* This node is the new peer to the child node */
-                                child_node->peer = node;
-                                /* This node is the new end-of-list */
-                                node->flags |= ANOBJ_END_OF_PEER_LIST;
-                                node->peer = parent_node;
-                                break;
-                        }
-                        /* Get next peer */
-                        previous_child_node = child_node;
-                        child_node = child_node->peer;
-                }
-                /* Did the node get inserted at the end-of-list? */
-                if (!(node->flags & ANOBJ_END_OF_PEER_LIST)) {
-                        /*
-                         * Loop above terminated without reaching the end-of-list.
-                         * Insert the new node at the current location
-                         */
-                        if (previous_child_node) {
-                                /* Insert node alphabetically */
-                                node->peer = child_node;
-                                previous_child_node->peer = node;
-                        }
-                        else {
-                                /* Insert node alphabetically at start of list */
-                                node->peer = child_node;
-                                parent_node->child = node;
-                        }
-                }
-#else
                while (!(child_node->flags & ANOBJ_END_OF_PEER_LIST)) {
                        child_node = child_node->peer;
                }
@@ -279,9 +223,8 @@ acpi_ns_install_node (
                /* Clear end-of-list flag */
                child_node->flags &= ~ANOBJ_END_OF_PEER_LIST;
-                node->flags     |= ANOBJ_END_OF_PEER_LIST;
+                node->flags |= ANOBJ_END_OF_PEER_LIST;
                node->peer = parent_node;
-#endif
        }
        /* Init the new entry */
@@ -362,7 +305,7 @@ acpi_ns_delete_children (
                /* Now we can free this child object */
-                ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_freed++);
+                ACPI_MEM_TRACKING (acpi_gbl_ns_node_list->total_freed++);
                ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Object %p, Remaining %X\n",
                        child_node, acpi_gbl_current_node_count));
@@ -559,7 +502,7 @@ acpi_ns_remove_reference (
 void
 acpi_ns_delete_namespace_by_owner (
-        u16                             owner_id)
+        acpi_owner_id                    owner_id)
 {
        struct acpi_namespace_node      *child_node;
        struct acpi_namespace_node      *deletion_node;
@@ -570,6 +513,10 @@ acpi_ns_delete_namespace_by_owner (
        ACPI_FUNCTION_TRACE_U32 ("ns_delete_namespace_by_owner", owner_id);
+        if (owner_id == 0) {
+                return_VOID;
+        }
        parent_node   = acpi_gbl_root_node;
        child_node    = NULL;
        deletion_node = NULL;
@@ -639,54 +586,3 @@ acpi_ns_delete_namespace_by_owner (
 }
-#ifdef ACPI_ALPHABETIC_NAMESPACE
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ns_compare_names
- *
- * PARAMETERS:  Name1           - First name to compare
- *              Name2           - Second name to compare
- *
- * RETURN:      value from strncmp
- *
- * DESCRIPTION: Compare two ACPI names.  Names that are prefixed with an
- *              underscore are forced to be alphabetically first.
- *
- ******************************************************************************/
-int
-acpi_ns_compare_names (
-        char                            *name1,
-        char                            *name2)
-{
-        char                            reversed_name1[ACPI_NAME_SIZE];
-        char                            reversed_name2[ACPI_NAME_SIZE];
-        u32                             i;
-        u32                             j;
-        /*
-         * Replace all instances of "underscore" with a value that is smaller so
-         * that all names that are prefixed with underscore(s) are alphabetically
-         * first.
-         *
-         * Reverse the name bytewise so we can just do a 32-bit compare instead
-         * of a strncmp.
-         */
-        for (i = 0, j= (ACPI_NAME_SIZE - 1); i < ACPI_NAME_SIZE; i++, j--) {
-                reversed_name1[j] = name1[i];
-                if (name1[i] == '_') {
-                        reversed_name1[j] = '*';
-                }
-                reversed_name2[j] = name2[i];
-                if (name2[i] == '_') {
-                        reversed_name2[j] = '*';
-                }
-        }
-        return (*(int *) reversed_name1 - *(int *) reversed_name2);
-}
-#endif
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index 6c2aef0e0dd4..5d25add6b031 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -85,6 +85,9 @@ acpi_ns_print_pathname (
        u32                             num_segments,
        char                            *pathname)
 {
+        acpi_native_uint                i;
        ACPI_FUNCTION_NAME ("ns_print_pathname");
@@ -97,9 +100,13 @@ acpi_ns_print_pathname (
        ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "["));
        while (num_segments) {
-                acpi_os_printf ("%4.4s", pathname);
+                for (i = 0; i < 4; i++) {
-                pathname += ACPI_NAME_SIZE;
+                        ACPI_IS_PRINT (pathname[i]) ?
+                                acpi_os_printf ("%c", pathname[i]) :
+                                acpi_os_printf ("?");
+                }
+                pathname += ACPI_NAME_SIZE;
                num_segments--;
                if (num_segments) {
                        acpi_os_printf (".");
@@ -203,38 +210,42 @@ acpi_ns_dump_one_object (
        /* Check if the owner matches */
-        if ((info->owner_id != ACPI_UINT32_MAX) &&
+        if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
                (info->owner_id != this_node->owner_id)) {
                return (AE_OK);
        }
-        /* Indent the object according to the level */
+        if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
+                /* Indent the object according to the level */
-        acpi_os_printf ("%2d%*s", (u32) level - 1, (int) level * 2, " ");
+                acpi_os_printf ("%2d%*s", (u32) level - 1, (int) level * 2, " ");
-        /* Check the node type and name */
+                /* Check the node type and name */
-        if (type > ACPI_TYPE_LOCAL_MAX) {
+                if (type > ACPI_TYPE_LOCAL_MAX) {
-                ACPI_REPORT_WARNING (("Invalid ACPI Type %08X\n", type));
+                        ACPI_REPORT_WARNING (("Invalid ACPI Type %08X\n", type));
-        }
+                }
-        if (!acpi_ut_valid_acpi_name (this_node->name.integer)) {
+                if (!acpi_ut_valid_acpi_name (this_node->name.integer)) {
-                ACPI_REPORT_WARNING (("Invalid ACPI Name %08X\n",
+                        ACPI_REPORT_WARNING (("Invalid ACPI Name %08X\n",
-                        this_node->name.integer));
+                                this_node->name.integer));
+                }
+                acpi_os_printf ("%4.4s", acpi_ut_get_node_name (this_node));
        }
        /*
         * Now we can print out the pertinent information
         */
-        acpi_os_printf ("%4.4s %-12s %p ",
+        acpi_os_printf (" %-12s %p ",
-                        acpi_ut_get_node_name (this_node), acpi_ut_get_type_name (type), this_node);
+                        acpi_ut_get_type_name (type), this_node);
        dbg_level = acpi_dbg_level;
        acpi_dbg_level = 0;
        obj_desc = acpi_ns_get_attached_object (this_node);
        acpi_dbg_level = dbg_level;
-        switch (info->display_type) {
+        switch (info->display_type & ACPI_DISPLAY_MASK) {
        case ACPI_DISPLAY_SUMMARY:
                if (!obj_desc) {
@@ -475,7 +486,7 @@ acpi_ns_dump_one_object (
        while (obj_desc) {
                obj_type = ACPI_TYPE_INVALID;
-                acpi_os_printf ("      Attached Object %p: ", obj_desc);
+                acpi_os_printf ("Attached Object %p: ", obj_desc);
                /* Decode the type of attached object and dump the contents */
@@ -484,9 +495,9 @@ acpi_ns_dump_one_object (
                        acpi_os_printf ("(Ptr to Node)\n");
                        bytes_to_dump = sizeof (struct acpi_namespace_node);
+                        ACPI_DUMP_BUFFER (obj_desc, bytes_to_dump);
                        break;
                case ACPI_DESC_TYPE_OPERAND:
                        obj_type = ACPI_GET_OBJECT_TYPE (obj_desc);
@@ -497,24 +508,19 @@ acpi_ns_dump_one_object (
                                bytes_to_dump = 32;
                        }
                        else {
-                                acpi_os_printf ("(Ptr to ACPI Object type %s, %X)\n",
+                                acpi_os_printf ("(Ptr to ACPI Object type %X [%s])\n",
-                                        acpi_ut_get_type_name (obj_type), obj_type);
+                                        obj_type, acpi_ut_get_type_name (obj_type));
                                bytes_to_dump = sizeof (union acpi_operand_object);
                        }
-                        break;
+                        ACPI_DUMP_BUFFER (obj_desc, bytes_to_dump);
+                        break;
                default:
-                        acpi_os_printf (
-                                "(String or Buffer ptr - not an object descriptor) [%s]\n",
-                                acpi_ut_get_descriptor_name (obj_desc));
-                        bytes_to_dump = 16;
                        break;
                }
-                ACPI_DUMP_BUFFER (obj_desc, bytes_to_dump);
                /* If value is NOT an internal object, we are done */
                if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) != ACPI_DESC_TYPE_OPERAND) {
@@ -525,13 +531,17 @@ acpi_ns_dump_one_object (
                 * Valid object, get the pointer to next level, if any
                 */
                switch (obj_type) {
+                case ACPI_TYPE_BUFFER:
                case ACPI_TYPE_STRING:
+                        /*
+                         * NOTE: takes advantage of common fields between string/buffer
+                         */
+                        bytes_to_dump = obj_desc->string.length;
                        obj_desc = (void *) obj_desc->string.pointer;
-                        break;
+                        acpi_os_printf ( "(Buffer/String pointer %p length %X)\n",
+                                obj_desc, bytes_to_dump);
-                case ACPI_TYPE_BUFFER:
+                        ACPI_DUMP_BUFFER (obj_desc, bytes_to_dump);
-                        obj_desc = (void *) obj_desc->buffer.pointer;
+                        goto cleanup;
-                        break;
                case ACPI_TYPE_BUFFER_FIELD:
                        obj_desc = (union acpi_operand_object *) obj_desc->buffer_field.buffer_obj;
@@ -595,7 +605,7 @@ acpi_ns_dump_objects (
        acpi_object_type                type,
        u8                              display_type,
        u32                             max_depth,
-        u32                             owner_id,
+        acpi_owner_id                   owner_id,
        acpi_handle                     start_handle)
 {
        struct acpi_walk_info           info;
@@ -640,14 +650,14 @@ acpi_ns_dump_entry (
        info.debug_level = debug_level;
-        info.owner_id = ACPI_UINT32_MAX;
+        info.owner_id = ACPI_OWNER_ID_MAX;
        info.display_type = ACPI_DISPLAY_SUMMARY;
        (void) acpi_ns_dump_one_object (handle, 1, &info, NULL);
 }
-#ifdef _ACPI_ASL_COMPILER
+#ifdef ACPI_ASL_COMPILER
 /*******************************************************************************
 *
 * FUNCTION:    acpi_ns_dump_tables
@@ -691,7 +701,7 @@ acpi_ns_dump_tables (
        }
        acpi_ns_dump_objects (ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
-                        ACPI_UINT32_MAX, search_handle);
+                        ACPI_OWNER_ID_MAX, search_handle);
        return_VOID;
 }
 #endif  /* _ACPI_ASL_COMPILER */
diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index 1ae89a1c8826..908cffd5e720 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -365,6 +365,7 @@ acpi_ns_evaluate_by_handle (
 *
 * PARAMETERS:  Info            - Method info block, contains:
 *                  Node            - Method Node to execute
+ *                  obj_desc        - Method object
 *                  Parameters      - List of parameters to pass to the method,
 *                                    terminated by NULL. Params itself may be
 *                                    NULL if no parameters are being passed.
@@ -387,7 +388,6 @@ acpi_ns_execute_control_method (
        struct acpi_parameter_info      *info)
 {
        acpi_status                     status;
-        union acpi_operand_object       *obj_desc;
        ACPI_FUNCTION_TRACE ("ns_execute_control_method");
@@ -395,8 +395,8 @@ acpi_ns_execute_control_method (
        /* Verify that there is a method associated with this object */
-        obj_desc = acpi_ns_get_attached_object (info->node);
+        info->obj_desc = acpi_ns_get_attached_object (info->node);
-        if (!obj_desc) {
+        if (!info->obj_desc) {
                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No attached method object\n"));
                (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
@@ -407,7 +407,7 @@ acpi_ns_execute_control_method (
                ACPI_LV_INFO, _COMPONENT);
        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Method at AML address %p Length %X\n",
-                obj_desc->method.aml_start + 1, obj_desc->method.aml_length - 1));
+                info->obj_desc->method.aml_start + 1, info->obj_desc->method.aml_length - 1));
        /*
         * Unlock the namespace before execution.  This allows namespace access
@@ -430,7 +430,7 @@ acpi_ns_execute_control_method (
                return_ACPI_STATUS (status);
        }
-        status = acpi_psx_execute (info);
+        status = acpi_ps_execute_method (info);
        acpi_ex_exit_interpreter ();
        return_ACPI_STATUS (status);
diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/namespace/nsload.c
index 34e497016601..1428a84a31e6 100644
--- a/drivers/acpi/namespace/nsload.c
+++ b/drivers/acpi/namespace/nsload.c
@@ -198,7 +198,7 @@ acpi_ns_load_table_by_type (
        switch (table_type) {
        case ACPI_TABLE_DSDT:
-                ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading DSDT\n"));
+                ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Namespace load: DSDT\n"));
                table_desc = acpi_gbl_table_lists[ACPI_TABLE_DSDT].next;
@@ -218,17 +218,18 @@ acpi_ns_load_table_by_type (
        case ACPI_TABLE_SSDT:
+        case ACPI_TABLE_PSDT:
-                ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading %d SSDTs\n",
+                ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Namespace load: %d SSDT or PSDTs\n",
-                        acpi_gbl_table_lists[ACPI_TABLE_SSDT].count));
+                        acpi_gbl_table_lists[table_type].count));
                /*
-                 * Traverse list of SSDT tables
+                 * Traverse list of SSDT or PSDT tables
                 */
-                table_desc = acpi_gbl_table_lists[ACPI_TABLE_SSDT].next;
+                table_desc = acpi_gbl_table_lists[table_type].next;
-                for (i = 0; i < acpi_gbl_table_lists[ACPI_TABLE_SSDT].count; i++) {
+                for (i = 0; i < acpi_gbl_table_lists[table_type].count; i++) {
                        /*
-                         * Only attempt to load table if it is not
+                         * Only attempt to load table into namespace if it is not
                         * already loaded!
                         */
                        if (!table_desc->loaded_into_namespace) {
@@ -245,33 +246,6 @@ acpi_ns_load_table_by_type (
                break;
-        case ACPI_TABLE_PSDT:
-                ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading %d PSDTs\n",
-                        acpi_gbl_table_lists[ACPI_TABLE_PSDT].count));
-                /*
-                 * Traverse list of PSDT tables
-                 */
-                table_desc = acpi_gbl_table_lists[ACPI_TABLE_PSDT].next;
-                for (i = 0; i < acpi_gbl_table_lists[ACPI_TABLE_PSDT].count; i++) {
-                        /* Only attempt to load table if it is not already loaded! */
-                        if (!table_desc->loaded_into_namespace) {
-                                status = acpi_ns_load_table (table_desc, acpi_gbl_root_node);
-                                if (ACPI_FAILURE (status)) {
-                                        break;
-                                }
-                                table_desc->loaded_into_namespace = TRUE;
-                        }
-                        table_desc = table_desc->next;
-                }
-                break;
        default:
                status = AE_SUPPORT;
                break;
diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/namespace/nsparse.c
index a0e13e8d3764..24bed931d39d 100644
--- a/drivers/acpi/namespace/nsparse.c
+++ b/drivers/acpi/namespace/nsparse.c
@@ -67,7 +67,7 @@
 acpi_status
 acpi_ns_one_complete_parse (
-        u32                             pass_number,
+        u8                              pass_number,
        struct acpi_table_desc          *table_desc)
 {
        union acpi_parse_object         *parse_root;
@@ -87,7 +87,7 @@ acpi_ns_one_complete_parse (
        /* Create and initialize a new walk state */
-        walk_state = acpi_ds_create_walk_state (table_desc->table_id,
+        walk_state = acpi_ds_create_walk_state (table_desc->owner_id,
                           NULL, NULL, NULL);
        if (!walk_state) {
                acpi_ps_free_op (parse_root);
@@ -146,6 +146,7 @@ acpi_ns_parse_table (
         * to service the entire parse.  The second pass of the parse then
         * performs another complete parse of the AML..
         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 1\n"));
        status = acpi_ns_one_complete_parse (1, table_desc);
        if (ACPI_FAILURE (status)) {
                return_ACPI_STATUS (status);
@@ -160,6 +161,7 @@ acpi_ns_parse_table (
         * overhead of this is compensated for by the fact that the
         * parse objects are all cached.
         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 2\n"));
        status = acpi_ns_one_complete_parse (2, table_desc);
        if (ACPI_FAILURE (status)) {
                return_ACPI_STATUS (status);
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 7289da3c4db6..f3a807c342c0 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -782,54 +782,6 @@ acpi_os_delete_lock (
        return_VOID;
 }
-/*
- * Acquire a spinlock.
- *
- * handle is a pointer to the spinlock_t.
- * flags is *not* the result of save_flags - it is an ACPI-specific flag variable
- *   that indicates whether we are at interrupt level.
- */
-void
-acpi_os_acquire_lock (
-        acpi_handle     handle,
-        u32             flags)
-{
-        ACPI_FUNCTION_TRACE ("os_acquire_lock");
-        ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Acquiring spinlock[%p] from %s level\n", handle,
-                ((flags & ACPI_NOT_ISR) ? "non-interrupt" : "interrupt")));
-        if (flags & ACPI_NOT_ISR)
-                ACPI_DISABLE_IRQS();
-        spin_lock((spinlock_t *)handle);
-        return_VOID;
-}
-/*
- * Release a spinlock. See above.
- */
-void
-acpi_os_release_lock (
-        acpi_handle     handle,
-        u32             flags)
-{
-        ACPI_FUNCTION_TRACE ("os_release_lock");
-        ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Releasing spinlock[%p] from %s level\n", handle,
-                ((flags & ACPI_NOT_ISR) ? "non-interrupt" : "interrupt")));
-        spin_unlock((spinlock_t *)handle);
-        if (flags & ACPI_NOT_ISR)
-                ACPI_ENABLE_IRQS();
-        return_VOID;
-}
 acpi_status
 acpi_os_create_semaphore(
        u32             max_units,
@@ -1176,3 +1128,151 @@ unsigned int max_cstate = ACPI_PROCESSOR_MAX_POWER;
 EXPORT_SYMBOL(max_cstate);
+/*
+ * Acquire a spinlock.
+ *
+ * handle is a pointer to the spinlock_t.
+ * flags is *not* the result of save_flags - it is an ACPI-specific flag variable
+ *   that indicates whether we are at interrupt level.
+ */
+unsigned long
+acpi_os_acquire_lock (
+        acpi_handle     handle)
+{
+        unsigned long flags;
+        spin_lock_irqsave((spinlock_t *)handle, flags);
+        return flags;
+}
+/*
+ * Release a spinlock. See above.
+ */
+void
+acpi_os_release_lock (
+        acpi_handle     handle,
+        unsigned long   flags)
+{
+        spin_unlock_irqrestore((spinlock_t *)handle, flags);
+}
+#ifndef ACPI_USE_LOCAL_CACHE
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_create_cache
+ *
+ * PARAMETERS:  CacheName       - Ascii name for the cache
+ *              ObjectSize      - Size of each cached object
+ *              MaxDepth        - Maximum depth of the cache (in objects)
+ *              ReturnCache     - Where the new cache object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a cache object
+ *
+ ******************************************************************************/
+acpi_status
+acpi_os_create_cache (
+    char                    *name,
+    u16                  size,
+    u16                  depth,
+    acpi_cache_t            **cache)
+{
+        *cache = kmem_cache_create (name, size, 0, 0, NULL, NULL);
+        return AE_OK;
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_purge_cache
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_os_purge_cache (
+    acpi_cache_t        *cache)
+{
+    (void) kmem_cache_shrink(cache);
+    return (AE_OK);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_delete_cache
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache and delete the
+ *              cache object.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_os_delete_cache (
+    acpi_cache_t *cache)
+{
+    (void)kmem_cache_destroy(cache);
+    return (AE_OK);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_release_object
+ *
+ * PARAMETERS:  Cache       - Handle to cache object
+ *              Object      - The object to be released
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Release an object to the specified cache.  If cache is full,
+ *              the object is deleted.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_os_release_object (
+    acpi_cache_t *cache,
+    void *object)
+{
+    kmem_cache_free(cache, object);
+    return (AE_OK);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_acquire_object
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *              ReturnObject    - Where the object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get an object from the specified cache.  If cache is empty,
+ *              the object is allocated.
+ *
+ ******************************************************************************/
+void *
+acpi_os_acquire_object (
+    acpi_cache_t *cache)
+{
+    void *object = kmem_cache_alloc(cache, GFP_KERNEL);
+    WARN_ON(!object);
+    return object;
+}
+#endif
diff --git a/drivers/acpi/parser/Makefile b/drivers/acpi/parser/Makefile
index bbdd286c660d..db24ee09cf11 100644
--- a/drivers/acpi/parser/Makefile
+++ b/drivers/acpi/parser/Makefile
@@ -2,7 +2,7 @@
 # Makefile for all Linux ACPI interpreter subdirectories
 #
-obj-y := psargs.o    psparse.o  pstree.o   pswalk.o  \
+obj-y := psargs.o    psparse.o  psloop.o pstree.o   pswalk.o  \
         psopcode.o  psscope.o  psutils.o  psxface.o
 EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c
new file mode 100644
index 000000000000..551d54bdbec3
--- /dev/null
+++ b/drivers/acpi/parser/psloop.c
@@ -0,0 +1,781 @@
+/******************************************************************************
+ *
+ * Module Name: psloop - Main AML parse loop
+ *
+ *****************************************************************************/
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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.
+ */
+/*
+ * Parse the AML and build an operation tree as most interpreters,
+ * like Perl, do.  Parsing is done by hand rather than with a YACC
+ * generated parser to tightly constrain stack and dynamic memory
+ * usage.  At the same time, parsing is kept flexible and the code
+ * fairly compact by parsing based on a list of AML opcode
+ * templates in aml_op_info[]
+ */
+#include <acpi/acpi.h>
+#include <acpi/acparser.h>
+#include <acpi/acdispat.h>
+#include <acpi/amlcode.h>
+#define _COMPONENT          ACPI_PARSER
+         ACPI_MODULE_NAME    ("psloop")
+static u32                          acpi_gbl_depth = 0;
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_parse_loop
+ *
+ * PARAMETERS:  walk_state          - Current state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Parse AML (pointed to by the current parser state) and return
+ *              a tree of ops.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ps_parse_loop (
+        struct acpi_walk_state          *walk_state)
+{
+        acpi_status                     status = AE_OK;
+        acpi_status                     status2;
+        union acpi_parse_object         *op = NULL;     /* current op */
+        union acpi_parse_object         *arg = NULL;
+        union acpi_parse_object         *pre_op = NULL;
+        struct acpi_parse_state         *parser_state;
+        u8                              *aml_op_start = NULL;
+        ACPI_FUNCTION_TRACE_PTR ("ps_parse_loop", walk_state);
+        if (walk_state->descending_callback == NULL) {
+                return_ACPI_STATUS (AE_BAD_PARAMETER);
+        }
+        parser_state = &walk_state->parser_state;
+        walk_state->arg_types = 0;
+#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
+        if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) {
+                /* We are restarting a preempted control method */
+                if (acpi_ps_has_completed_scope (parser_state)) {
+                        /*
+                         * We must check if a predicate to an IF or WHILE statement
+                         * was just completed
+                         */
+                        if ((parser_state->scope->parse_scope.op) &&
+                           ((parser_state->scope->parse_scope.op->common.aml_opcode == AML_IF_OP) ||
+                                (parser_state->scope->parse_scope.op->common.aml_opcode == AML_WHILE_OP)) &&
+                                (walk_state->control_state) &&
+                                (walk_state->control_state->common.state ==
+                                        ACPI_CONTROL_PREDICATE_EXECUTING)) {
+                                /*
+                                 * A predicate was just completed, get the value of the
+                                 * predicate and branch based on that value
+                                 */
+                                walk_state->op = NULL;
+                                status = acpi_ds_get_predicate_value (walk_state, ACPI_TO_POINTER (TRUE));
+                                if (ACPI_FAILURE (status) &&
+                                        ((status & AE_CODE_MASK) != AE_CODE_CONTROL)) {
+                                        if (status == AE_AML_NO_RETURN_VALUE) {
+                                                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                                                        "Invoked method did not return a value, %s\n",
+                                                        acpi_format_exception (status)));
+                                        }
+                                        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                                                "get_predicate Failed, %s\n",
+                                                acpi_format_exception (status)));
+                                        return_ACPI_STATUS (status);
+                                }
+                                status = acpi_ps_next_parse_state (walk_state, op, status);
+                        }
+                        acpi_ps_pop_scope (parser_state, &op,
+                                &walk_state->arg_types, &walk_state->arg_count);
+                        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
+                }
+                else if (walk_state->prev_op) {
+                        /* We were in the middle of an op */
+                        op = walk_state->prev_op;
+                        walk_state->arg_types = walk_state->prev_arg_types;
+                }
+        }
+#endif
+        /* Iterative parsing loop, while there is more AML to process: */
+        while ((parser_state->aml < parser_state->aml_end) || (op)) {
+                aml_op_start = parser_state->aml;
+                if (!op) {
+                        /* Get the next opcode from the AML stream */
+                        walk_state->aml_offset = (u32) ACPI_PTR_DIFF (parser_state->aml,
+                                          parser_state->aml_start);
+                        walk_state->opcode   = acpi_ps_peek_opcode (parser_state);
+                        /*
+                         * First cut to determine what we have found:
+                         * 1) A valid AML opcode
+                         * 2) A name string
+                         * 3) An unknown/invalid opcode
+                         */
+                        walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
+                        switch (walk_state->op_info->class) {
+                        case AML_CLASS_ASCII:
+                        case AML_CLASS_PREFIX:
+                                /*
+                                 * Starts with a valid prefix or ASCII char, this is a name
+                                 * string.  Convert the bare name string to a namepath.
+                                 */
+                                walk_state->opcode = AML_INT_NAMEPATH_OP;
+                                walk_state->arg_types = ARGP_NAMESTRING;
+                                break;
+                        case AML_CLASS_UNKNOWN:
+                                /* The opcode is unrecognized.  Just skip unknown opcodes */
+                                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                                        "Found unknown opcode %X at AML address %p offset %X, ignoring\n",
+                                        walk_state->opcode, parser_state->aml, walk_state->aml_offset));
+                                ACPI_DUMP_BUFFER (parser_state->aml, 128);
+                                /* Assume one-byte bad opcode */
+                                parser_state->aml++;
+                                continue;
+                        default:
+                                /* Found opcode info, this is a normal opcode */
+                                parser_state->aml += acpi_ps_get_opcode_size (walk_state->opcode);
+                                walk_state->arg_types = walk_state->op_info->parse_args;
+                                break;
+                        }
+                        /* Create Op structure and append to parent's argument list */
+                        if (walk_state->op_info->flags & AML_NAMED) {
+                                /* Allocate a new pre_op if necessary */
+                                if (!pre_op) {
+                                        pre_op = acpi_ps_alloc_op (walk_state->opcode);
+                                        if (!pre_op) {
+                                                status = AE_NO_MEMORY;
+                                                goto close_this_op;
+                                        }
+                                }
+                                pre_op->common.value.arg = NULL;
+                                pre_op->common.aml_opcode = walk_state->opcode;
+                                /*
+                                 * Get and append arguments until we find the node that contains
+                                 * the name (the type ARGP_NAME).
+                                 */
+                                while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
+                                          (GET_CURRENT_ARG_TYPE (walk_state->arg_types) != ARGP_NAME)) {
+                                        status = acpi_ps_get_next_arg (walk_state, parser_state,
+                                                         GET_CURRENT_ARG_TYPE (walk_state->arg_types), &arg);
+                                        if (ACPI_FAILURE (status)) {
+                                                goto close_this_op;
+                                        }
+                                        acpi_ps_append_arg (pre_op, arg);
+                                        INCREMENT_ARG_LIST (walk_state->arg_types);
+                                }
+                                /*
+                                 * Make sure that we found a NAME and didn't run out of
+                                 * arguments
+                                 */
+                                if (!GET_CURRENT_ARG_TYPE (walk_state->arg_types)) {
+                                        status = AE_AML_NO_OPERAND;
+                                        goto close_this_op;
+                                }
+                                /* We know that this arg is a name, move to next arg */
+                                INCREMENT_ARG_LIST (walk_state->arg_types);
+                                /*
+                                 * Find the object.  This will either insert the object into
+                                 * the namespace or simply look it up
+                                 */
+                                walk_state->op = NULL;
+                                status = walk_state->descending_callback (walk_state, &op);
+                                if (ACPI_FAILURE (status)) {
+                                        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                                                "During name lookup/catalog, %s\n",
+                                                acpi_format_exception (status)));
+                                        goto close_this_op;
+                                }
+                                if (!op) {
+                                        continue;
+                                }
+                                status = acpi_ps_next_parse_state (walk_state, op, status);
+                                if (status == AE_CTRL_PENDING) {
+                                        status = AE_OK;
+                                        goto close_this_op;
+                                }
+                                if (ACPI_FAILURE (status)) {
+                                        goto close_this_op;
+                                }
+                                acpi_ps_append_arg (op, pre_op->common.value.arg);
+                                acpi_gbl_depth++;
+                                if (op->common.aml_opcode == AML_REGION_OP) {
+                                        /*
+                                         * Defer final parsing of an operation_region body,
+                                         * because we don't have enough info in the first pass
+                                         * to parse it correctly (i.e., there may be method
+                                         * calls within the term_arg elements of the body.)
+                                         *
+                                         * However, we must continue parsing because
+                                         * the opregion is not a standalone package --
+                                         * we don't know where the end is at this point.
+                                         *
+                                         * (Length is unknown until parse of the body complete)
+                                         */
+                                        op->named.data    = aml_op_start;
+                                        op->named.length  = 0;
+                                }
+                        }
+                        else {
+                                /* Not a named opcode, just allocate Op and append to parent */
+                                walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
+                                op = acpi_ps_alloc_op (walk_state->opcode);
+                                if (!op) {
+                                        status = AE_NO_MEMORY;
+                                        goto close_this_op;
+                                }
+                                if (walk_state->op_info->flags & AML_CREATE) {
+                                        /*
+                                         * Backup to beginning of create_xXXfield declaration
+                                         * body_length is unknown until we parse the body
+                                         */
+                                        op->named.data    = aml_op_start;
+                                        op->named.length  = 0;
+                                }
+                                acpi_ps_append_arg (acpi_ps_get_parent_scope (parser_state), op);
+                                if ((walk_state->descending_callback != NULL)) {
+                                        /*
+                                         * Find the object. This will either insert the object into
+                                         * the namespace or simply look it up
+                                         */
+                                        walk_state->op = op;
+                                        status = walk_state->descending_callback (walk_state, &op);
+                                        status = acpi_ps_next_parse_state (walk_state, op, status);
+                                        if (status == AE_CTRL_PENDING) {
+                                                status = AE_OK;
+                                                goto close_this_op;
+                                        }
+                                        if (ACPI_FAILURE (status)) {
+                                                goto close_this_op;
+                                        }
+                                }
+                        }
+                        op->common.aml_offset = walk_state->aml_offset;
+                        if (walk_state->op_info) {
+                                ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+                                        "Opcode %4.4X [%s] Op %p Aml %p aml_offset %5.5X\n",
+                                         (u32) op->common.aml_opcode, walk_state->op_info->name,
+                                         op, parser_state->aml, op->common.aml_offset));
+                        }
+                }
+                /*
+                 * Start arg_count at zero because we don't know if there are
+                 * any args yet
+                 */
+                walk_state->arg_count = 0;
+                /* Are there any arguments that must be processed? */
+                if (walk_state->arg_types) {
+                        /* Get arguments */
+                        switch (op->common.aml_opcode) {
+                        case AML_BYTE_OP:       /* AML_BYTEDATA_ARG */
+                        case AML_WORD_OP:       /* AML_WORDDATA_ARG */
+                        case AML_DWORD_OP:      /* AML_DWORDATA_ARG */
+                        case AML_QWORD_OP:      /* AML_QWORDATA_ARG */
+                        case AML_STRING_OP:     /* AML_ASCIICHARLIST_ARG */
+                                /* Fill in constant or string argument directly */
+                                acpi_ps_get_next_simple_arg (parser_state,
+                                        GET_CURRENT_ARG_TYPE (walk_state->arg_types), op);
+                                break;
+                        case AML_INT_NAMEPATH_OP:   /* AML_NAMESTRING_ARG */
+                                status = acpi_ps_get_next_namepath (walk_state, parser_state, op, 1);
+                                if (ACPI_FAILURE (status)) {
+                                        goto close_this_op;
+                                }
+                                walk_state->arg_types = 0;
+                                break;
+                        default:
+                                /*
+                                 * Op is not a constant or string, append each argument
+                                 * to the Op
+                                 */
+                                while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
+                                                !walk_state->arg_count) {
+                                        walk_state->aml_offset = (u32)
+                                                ACPI_PTR_DIFF (parser_state->aml, parser_state->aml_start);
+                                        status = acpi_ps_get_next_arg (walk_state, parser_state,
+                                                         GET_CURRENT_ARG_TYPE (walk_state->arg_types),
+                                                         &arg);
+                                        if (ACPI_FAILURE (status)) {
+                                                goto close_this_op;
+                                        }
+                                        if (arg) {
+                                                arg->common.aml_offset = walk_state->aml_offset;
+                                                acpi_ps_append_arg (op, arg);
+                                        }
+                                        INCREMENT_ARG_LIST (walk_state->arg_types);
+                                }
+                                /* Special processing for certain opcodes */
+        /* TBD (remove): Temporary mechanism to disable this code if needed */
+#ifdef ACPI_ENABLE_MODULE_LEVEL_CODE
+                         if ((walk_state->pass_number <= ACPI_IMODE_LOAD_PASS1) &&
+                                   ((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE) == 0)) {
+                                        /*
+                                         * We want to skip If/Else/While constructs during Pass1
+                                         * because we want to actually conditionally execute the
+                                         * code during Pass2.
+                                         *
+                                         * Except for disassembly, where we always want to
+                                         * walk the If/Else/While packages
+                                         */
+                                        switch (op->common.aml_opcode) {
+                                        case AML_IF_OP:
+                                        case AML_ELSE_OP:
+                                        case AML_WHILE_OP:
+                                                ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+                                                        "Pass1: Skipping an If/Else/While body\n"));
+                                                /* Skip body of if/else/while in pass 1 */
+                                                parser_state->aml   = parser_state->pkg_end;
+                                                walk_state->arg_count = 0;
+                                                break;
+                                        default:
+                                                break;
+                                        }
+                                }
+#endif
+                                switch (op->common.aml_opcode) {
+                                case AML_METHOD_OP:
+                                        /*
+                                         * Skip parsing of control method
+                                         * because we don't have enough info in the first pass
+                                         * to parse it correctly.
+                                         *
+                                         * Save the length and address of the body
+                                         */
+                                        op->named.data   = parser_state->aml;
+                                        op->named.length = (u32) (parser_state->pkg_end -
+                                                           parser_state->aml);
+                                        /* Skip body of method */
+                                        parser_state->aml   = parser_state->pkg_end;
+                                        walk_state->arg_count = 0;
+                                        break;
+                                case AML_BUFFER_OP:
+                                case AML_PACKAGE_OP:
+                                case AML_VAR_PACKAGE_OP:
+                                        if ((op->common.parent) &&
+                                                (op->common.parent->common.aml_opcode == AML_NAME_OP) &&
+                                                (walk_state->pass_number <= ACPI_IMODE_LOAD_PASS2)) {
+                                                /*
+                                                 * Skip parsing of Buffers and Packages
+                                                 * because we don't have enough info in the first pass
+                                                 * to parse them correctly.
+                                                 */
+                                                op->named.data   = aml_op_start;
+                                                op->named.length = (u32) (parser_state->pkg_end -
+                                                                   aml_op_start);
+                                                /* Skip body */
+                                                parser_state->aml   = parser_state->pkg_end;
+                                                walk_state->arg_count = 0;
+                                        }
+                                        break;
+                                case AML_WHILE_OP:
+                                        if (walk_state->control_state) {
+                                                walk_state->control_state->control.package_end =
+                                                        parser_state->pkg_end;
+                                        }
+                                        break;
+                                default:
+                                        /* No action for all other opcodes */
+                                        break;
+                                }
+                                break;
+                        }
+                }
+                /* Check for arguments that need to be processed */
+                if (walk_state->arg_count) {
+                        /*
+                         * There are arguments (complex ones), push Op and
+                         * prepare for argument
+                         */
+                        status = acpi_ps_push_scope (parser_state, op,
+                                         walk_state->arg_types, walk_state->arg_count);
+                        if (ACPI_FAILURE (status)) {
+                                goto close_this_op;
+                        }
+                        op = NULL;
+                        continue;
+                }
+                /*
+                 * All arguments have been processed -- Op is complete,
+                 * prepare for next
+                 */
+                walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
+                if (walk_state->op_info->flags & AML_NAMED) {
+                        if (acpi_gbl_depth) {
+                                acpi_gbl_depth--;
+                        }
+                        if (op->common.aml_opcode == AML_REGION_OP) {
+                                /*
+                                 * Skip parsing of control method or opregion body,
+                                 * because we don't have enough info in the first pass
+                                 * to parse them correctly.
+                                 *
+                                 * Completed parsing an op_region declaration, we now
+                                 * know the length.
+                                 */
+                                op->named.length = (u32) (parser_state->aml - op->named.data);
+                        }
+                }
+                if (walk_state->op_info->flags & AML_CREATE) {
+                        /*
+                         * Backup to beginning of create_xXXfield declaration (1 for
+                         * Opcode)
+                         *
+                         * body_length is unknown until we parse the body
+                         */
+                        op->named.length = (u32) (parser_state->aml - op->named.data);
+                }
+                /* This op complete, notify the dispatcher */
+                if (walk_state->ascending_callback != NULL) {
+                        walk_state->op    = op;
+                        walk_state->opcode = op->common.aml_opcode;
+                        status = walk_state->ascending_callback (walk_state);
+                        status = acpi_ps_next_parse_state (walk_state, op, status);
+                        if (status == AE_CTRL_PENDING) {
+                                status = AE_OK;
+                                goto close_this_op;
+                        }
+                }
+close_this_op:
+                /*
+                 * Finished one argument of the containing scope
+                 */
+                parser_state->scope->parse_scope.arg_count--;
+                /* Finished with pre_op */
+                if (pre_op) {
+                        acpi_ps_free_op (pre_op);
+                        pre_op = NULL;
+                }
+                /* Close this Op (will result in parse subtree deletion) */
+                status2 = acpi_ps_complete_this_op (walk_state, op);
+                if (ACPI_FAILURE (status2)) {
+                        return_ACPI_STATUS (status2);
+                }
+                op = NULL;
+                switch (status) {
+                case AE_OK:
+                        break;
+                case AE_CTRL_TRANSFER:
+                        /* We are about to transfer to a called method. */
+                        walk_state->prev_op = op;
+                        walk_state->prev_arg_types = walk_state->arg_types;
+                        return_ACPI_STATUS (status);
+                case AE_CTRL_END:
+                        acpi_ps_pop_scope (parser_state, &op,
+                                &walk_state->arg_types, &walk_state->arg_count);
+                        if (op) {
+                                walk_state->op    = op;
+                                walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
+                                walk_state->opcode = op->common.aml_opcode;
+                                status = walk_state->ascending_callback (walk_state);
+                                status = acpi_ps_next_parse_state (walk_state, op, status);
+                                status2 = acpi_ps_complete_this_op (walk_state, op);
+                                if (ACPI_FAILURE (status2)) {
+                                        return_ACPI_STATUS (status2);
+                                }
+                                op = NULL;
+                        }
+                        status = AE_OK;
+                        break;
+                case AE_CTRL_BREAK:
+                case AE_CTRL_CONTINUE:
+                        /* Pop off scopes until we find the While */
+                        while (!op || (op->common.aml_opcode != AML_WHILE_OP)) {
+                                acpi_ps_pop_scope (parser_state, &op,
+                                        &walk_state->arg_types, &walk_state->arg_count);
+                        }
+                        /* Close this iteration of the While loop */
+                        walk_state->op    = op;
+                        walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
+                        walk_state->opcode = op->common.aml_opcode;
+                        status = walk_state->ascending_callback (walk_state);
+                        status = acpi_ps_next_parse_state (walk_state, op, status);
+                        status2 = acpi_ps_complete_this_op (walk_state, op);
+                        if (ACPI_FAILURE (status2)) {
+                                return_ACPI_STATUS (status2);
+                        }
+                        op = NULL;
+                        status = AE_OK;
+                        break;
+                case AE_CTRL_TERMINATE:
+                        status = AE_OK;
+                        /* Clean up */
+                        do {
+                                if (op) {
+                                        status2 = acpi_ps_complete_this_op (walk_state, op);
+                                        if (ACPI_FAILURE (status2)) {
+                                                return_ACPI_STATUS (status2);
+                                        }
+                                }
+                                acpi_ps_pop_scope (parser_state, &op,
+                                        &walk_state->arg_types, &walk_state->arg_count);
+                        } while (op);
+                        return_ACPI_STATUS (status);
+                default:  /* All other non-AE_OK status */
+                        do {
+                                if (op) {
+                                        status2 = acpi_ps_complete_this_op (walk_state, op);
+                                        if (ACPI_FAILURE (status2)) {
+                                                return_ACPI_STATUS (status2);
+                                        }
+                                }
+                                acpi_ps_pop_scope (parser_state, &op,
+                                        &walk_state->arg_types, &walk_state->arg_count);
+                        } while (op);
+                        /*
+                         * TBD: Cleanup parse ops on error
+                         */
+#if 0
+                        if (op == NULL) {
+                                acpi_ps_pop_scope (parser_state, &op,
+                                        &walk_state->arg_types, &walk_state->arg_count);
+                        }
+#endif
+                        walk_state->prev_op = op;
+                        walk_state->prev_arg_types = walk_state->arg_types;
+                        return_ACPI_STATUS (status);
+                }
+                /* This scope complete? */
+                if (acpi_ps_has_completed_scope (parser_state)) {
+                        acpi_ps_pop_scope (parser_state, &op,
+                                &walk_state->arg_types, &walk_state->arg_count);
+                        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
+                }
+                else {
+                        op = NULL;
+                }
+        } /* while parser_state->Aml */
+        /*
+         * Complete the last Op (if not completed), and clear the scope stack.
+         * It is easily possible to end an AML "package" with an unbounded number
+         * of open scopes (such as when several ASL blocks are closed with
+         * sequential closing braces).  We want to terminate each one cleanly.
+         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "AML package complete at Op %p\n", op));
+        do {
+                if (op) {
+                        if (walk_state->ascending_callback != NULL) {
+                                walk_state->op    = op;
+                                walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
+                                walk_state->opcode = op->common.aml_opcode;
+                                status = walk_state->ascending_callback (walk_state);
+                                status = acpi_ps_next_parse_state (walk_state, op, status);
+                                if (status == AE_CTRL_PENDING) {
+                                        status = AE_OK;
+                                        goto close_this_op;
+                                }
+                                if (status == AE_CTRL_TERMINATE) {
+                                        status = AE_OK;
+                                        /* Clean up */
+                                        do {
+                                                if (op) {
+                                                        status2 = acpi_ps_complete_this_op (walk_state, op);
+                                                        if (ACPI_FAILURE (status2)) {
+                                                                return_ACPI_STATUS (status2);
+                                                        }
+                                                }
+                                                acpi_ps_pop_scope (parser_state, &op,
+                                                        &walk_state->arg_types, &walk_state->arg_count);
+                                        } while (op);
+                                        return_ACPI_STATUS (status);
+                                }
+                                else if (ACPI_FAILURE (status)) {
+                                        /* First error is most important */
+                                        (void) acpi_ps_complete_this_op (walk_state, op);
+                                        return_ACPI_STATUS (status);
+                                }
+                        }
+                        status2 = acpi_ps_complete_this_op (walk_state, op);
+                        if (ACPI_FAILURE (status2)) {
+                                return_ACPI_STATUS (status2);
+                        }
+                }
+                acpi_ps_pop_scope (parser_state, &op, &walk_state->arg_types,
+                        &walk_state->arg_count);
+        } while (op);
+        return_ACPI_STATUS (status);
+}
diff --git a/drivers/acpi/parser/psopcode.c b/drivers/acpi/parser/psopcode.c
index 5744673568c0..6f7594a516d2 100644
--- a/drivers/acpi/parser/psopcode.c
+++ b/drivers/acpi/parser/psopcode.c
@@ -311,7 +311,7 @@ const struct acpi_opcode_info     acpi_gbl_aml_op_info[AML_NUM_OPCODES] =
 /* ACPI 2.0 opcodes */
 /* 6E */ ACPI_OP ("QwordConst",         ARGP_QWORD_OP,             ARGI_QWORD_OP,              ACPI_TYPE_INTEGER,           AML_CLASS_ARGUMENT,        AML_TYPE_LITERAL,         AML_CONSTANT),
-/* 6F */ ACPI_OP ("Package /*Var*/",    ARGP_VAR_PACKAGE_OP,       ARGI_VAR_PACKAGE_OP,        ACPI_TYPE_PACKAGE,           AML_CLASS_CREATE,          AML_TYPE_CREATE_OBJECT,   AML_HAS_ARGS | AML_DEFER),
+/* 6F */ ACPI_OP ("Package", /* Var */  ARGP_VAR_PACKAGE_OP,       ARGI_VAR_PACKAGE_OP,        ACPI_TYPE_PACKAGE,           AML_CLASS_CREATE,          AML_TYPE_CREATE_OBJECT,   AML_HAS_ARGS | AML_DEFER),
 /* 70 */ ACPI_OP ("ConcatenateResTemplate", ARGP_CONCAT_RES_OP,    ARGI_CONCAT_RES_OP,         ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
 /* 71 */ ACPI_OP ("Mod",                ARGP_MOD_OP,               ARGI_MOD_OP,                ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
 /* 72 */ ACPI_OP ("CreateQWordField",   ARGP_CREATE_QWORD_FIELD_OP,ARGI_CREATE_QWORD_FIELD_OP, ACPI_TYPE_BUFFER_FIELD,      AML_CLASS_CREATE,          AML_TYPE_CREATE_FIELD,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_CREATE),
@@ -428,33 +428,23 @@ acpi_ps_get_opcode_info (
        /*
         * Detect normal 8-bit opcode or extended 16-bit opcode
         */
-        switch ((u8) (opcode >> 8)) {
+        if (!(opcode & 0xFF00)) {
-        case 0:
                /* Simple (8-bit) opcode: 0-255, can't index beyond table  */
                return (&acpi_gbl_aml_op_info [acpi_gbl_short_op_index [(u8) opcode]]);
+        }
-        case AML_EXTOP:
+        if (((opcode & 0xFF00) == AML_EXTENDED_OPCODE) &&
+                (((u8) opcode) <= MAX_EXTENDED_OPCODE)) {
-                /* Extended (16-bit, prefix+opcode) opcode */
+                /* Valid extended (16-bit) opcode */
-                if (((u8) opcode) <= MAX_EXTENDED_OPCODE) {
-                        return (&acpi_gbl_aml_op_info [acpi_gbl_long_op_index [(u8) opcode]]);
-                }
-                /* Else fall through to error case below */
-                /*lint -fallthrough */
-        default:
-                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                return (&acpi_gbl_aml_op_info [acpi_gbl_long_op_index [(u8) opcode]]);
-                        "Unknown AML opcode [%4.4X]\n", opcode));
-                break;
        }
+        /* Unknown AML opcode */
-        /* Default is "unknown opcode" */
+        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                "Unknown AML opcode [%4.4X]\n", opcode));
        return (&acpi_gbl_aml_op_info [_UNK]);
 }
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index bbfdc1a58c27..16b84a3d0436 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -62,26 +62,6 @@
         ACPI_MODULE_NAME    ("psparse")
-static u32                          acpi_gbl_depth = 0;
-/* Local prototypes */
-static void
-acpi_ps_complete_this_op (
-        struct acpi_walk_state          *walk_state,
-        union acpi_parse_object         *op);
-static acpi_status
-acpi_ps_next_parse_state (
-        struct acpi_walk_state          *walk_state,
-        union acpi_parse_object         *op,
-        acpi_status                     callback_status);
-static acpi_status
-acpi_ps_parse_loop (
-        struct acpi_walk_state          *walk_state);
 /*******************************************************************************
 *
 * FUNCTION:    acpi_ps_get_opcode_size
@@ -134,8 +114,8 @@ acpi_ps_peek_opcode (
        aml = parser_state->aml;
        opcode = (u16) ACPI_GET8 (aml);
-        if (opcode == AML_EXTOP) {
+        if (opcode == AML_EXTENDED_OP_PREFIX) {
-                /* Extended opcode */
+                /* Extended opcode, get the second opcode byte */
                aml++;
                opcode = (u16) ((opcode << 8) | ACPI_GET8 (aml));
@@ -152,13 +132,13 @@ acpi_ps_peek_opcode (
 * PARAMETERS:  walk_state      - Current State
 *              Op              - Op to complete
 *
- * RETURN:      None.
+ * RETURN:      Status
 *
 * DESCRIPTION: Perform any cleanup at the completion of an Op.
 *
 ******************************************************************************/
-static void
+acpi_status
 acpi_ps_complete_this_op (
        struct acpi_walk_state          *walk_state,
        union acpi_parse_object         *op)
@@ -175,19 +155,26 @@ acpi_ps_complete_this_op (
        /* Check for null Op, can happen if AML code is corrupt */
        if (!op) {
-                return_VOID;
+                return_ACPI_STATUS (AE_OK);  /* OK for now */
        }
        /* Delete this op and the subtree below it if asked to */
        if (((walk_state->parse_flags & ACPI_PARSE_TREE_MASK) != ACPI_PARSE_DELETE_TREE) ||
                 (walk_state->op_info->class == AML_CLASS_ARGUMENT)) {
-                return_VOID;
+                return_ACPI_STATUS (AE_OK);
        }
        /* Make sure that we only delete this subtree */
        if (op->common.parent) {
+                prev = op->common.parent->common.value.arg;
+                if (!prev) {
+                        /* Nothing more to do */
+                        goto cleanup;
+                }
                /*
                 * Check if we need to replace the operator and its subtree
                 * with a return value op (placeholder op)
@@ -206,7 +193,7 @@ acpi_ps_complete_this_op (
                         */
                        replacement_op = acpi_ps_alloc_op (AML_INT_RETURN_VALUE_OP);
                        if (!replacement_op) {
-                                goto cleanup;
+                                goto allocate_error;
                        }
                        break;
@@ -223,18 +210,17 @@ acpi_ps_complete_this_op (
                                (op->common.parent->common.aml_opcode == AML_VAR_PACKAGE_OP)) {
                                replacement_op = acpi_ps_alloc_op (AML_INT_RETURN_VALUE_OP);
                                if (!replacement_op) {
-                                        goto cleanup;
+                                        goto allocate_error;
                                }
                        }
+                        else if ((op->common.parent->common.aml_opcode == AML_NAME_OP) &&
-                        if ((op->common.parent->common.aml_opcode == AML_NAME_OP) &&
+                                         (walk_state->pass_number <= ACPI_IMODE_LOAD_PASS2)) {
-                                (walk_state->descending_callback != acpi_ds_exec_begin_op)) {
                                if ((op->common.aml_opcode == AML_BUFFER_OP) ||
                                        (op->common.aml_opcode == AML_PACKAGE_OP) ||
                                        (op->common.aml_opcode == AML_VAR_PACKAGE_OP)) {
                                        replacement_op = acpi_ps_alloc_op (op->common.aml_opcode);
                                        if (!replacement_op) {
-                                                goto cleanup;
+                                                goto allocate_error;
                                        }
                                        replacement_op->named.data = op->named.data;
@@ -244,15 +230,15 @@ acpi_ps_complete_this_op (
                        break;
                default:
                        replacement_op = acpi_ps_alloc_op (AML_INT_RETURN_VALUE_OP);
                        if (!replacement_op) {
-                                goto cleanup;
+                                goto allocate_error;
                        }
                }
                /* We must unlink this op from the parent tree */
-                prev = op->common.parent->common.value.arg;
                if (prev == op) {
                        /* This op is the first in the list */
@@ -298,7 +284,15 @@ cleanup:
        /* Now we can actually delete the subtree rooted at Op */
        acpi_ps_delete_parse_tree (op);
-        return_VOID;
+        return_ACPI_STATUS (AE_OK);
+allocate_error:
+        /* Always delete the subtree, even on error */
+        acpi_ps_delete_parse_tree (op);
+        return_ACPI_STATUS (AE_NO_MEMORY);
 }
@@ -317,7 +311,7 @@ cleanup:
 *
 ******************************************************************************/
-static acpi_status
+acpi_status
 acpi_ps_next_parse_state (
        struct acpi_walk_state          *walk_state,
        union acpi_parse_object         *op,
@@ -427,663 +421,6 @@ acpi_ps_next_parse_state (
 /*******************************************************************************
 *
- * FUNCTION:    acpi_ps_parse_loop
- *
- * PARAMETERS:  walk_state          - Current state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Parse AML (pointed to by the current parser state) and return
- *              a tree of ops.
- *
- ******************************************************************************/
-static acpi_status
-acpi_ps_parse_loop (
-        struct acpi_walk_state          *walk_state)
-{
-        acpi_status                     status = AE_OK;
-        union acpi_parse_object         *op = NULL;     /* current op */
-        union acpi_parse_object         *arg = NULL;
-        union acpi_parse_object         *pre_op = NULL;
-        struct acpi_parse_state         *parser_state;
-        u8                              *aml_op_start = NULL;
-        ACPI_FUNCTION_TRACE_PTR ("ps_parse_loop", walk_state);
-        if (walk_state->descending_callback == NULL) {
-                return_ACPI_STATUS (AE_BAD_PARAMETER);
-        }
-        parser_state = &walk_state->parser_state;
-        walk_state->arg_types = 0;
-#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
-        if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) {
-                /* We are restarting a preempted control method */
-                if (acpi_ps_has_completed_scope (parser_state)) {
-                        /*
-                         * We must check if a predicate to an IF or WHILE statement
-                         * was just completed
-                         */
-                        if ((parser_state->scope->parse_scope.op) &&
-                           ((parser_state->scope->parse_scope.op->common.aml_opcode == AML_IF_OP) ||
-                                (parser_state->scope->parse_scope.op->common.aml_opcode == AML_WHILE_OP)) &&
-                                (walk_state->control_state) &&
-                                (walk_state->control_state->common.state ==
-                                        ACPI_CONTROL_PREDICATE_EXECUTING)) {
-                                /*
-                                 * A predicate was just completed, get the value of the
-                                 * predicate and branch based on that value
-                                 */
-                                walk_state->op = NULL;
-                                status = acpi_ds_get_predicate_value (walk_state, ACPI_TO_POINTER (TRUE));
-                                if (ACPI_FAILURE (status) &&
-                                        ((status & AE_CODE_MASK) != AE_CODE_CONTROL)) {
-                                        if (status == AE_AML_NO_RETURN_VALUE) {
-                                                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-                                                        "Invoked method did not return a value, %s\n",
-                                                        acpi_format_exception (status)));
-                                        }
-                                        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-                                                "get_predicate Failed, %s\n",
-                                                acpi_format_exception (status)));
-                                        return_ACPI_STATUS (status);
-                                }
-                                status = acpi_ps_next_parse_state (walk_state, op, status);
-                        }
-                        acpi_ps_pop_scope (parser_state, &op,
-                                &walk_state->arg_types, &walk_state->arg_count);
-                        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
-                }
-                else if (walk_state->prev_op) {
-                        /* We were in the middle of an op */
-                        op = walk_state->prev_op;
-                        walk_state->arg_types = walk_state->prev_arg_types;
-                }
-        }
-#endif
-        /* Iterative parsing loop, while there is more AML to process: */
-        while ((parser_state->aml < parser_state->aml_end) || (op)) {
-                aml_op_start = parser_state->aml;
-                if (!op) {
-                        /* Get the next opcode from the AML stream */
-                        walk_state->aml_offset = (u32) ACPI_PTR_DIFF (parser_state->aml,
-                                          parser_state->aml_start);
-                        walk_state->opcode   = acpi_ps_peek_opcode (parser_state);
-                        /*
-                         * First cut to determine what we have found:
-                         * 1) A valid AML opcode
-                         * 2) A name string
-                         * 3) An unknown/invalid opcode
-                         */
-                        walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
-                        switch (walk_state->op_info->class) {
-                        case AML_CLASS_ASCII:
-                        case AML_CLASS_PREFIX:
-                                /*
-                                 * Starts with a valid prefix or ASCII char, this is a name
-                                 * string.  Convert the bare name string to a namepath.
-                                 */
-                                walk_state->opcode = AML_INT_NAMEPATH_OP;
-                                walk_state->arg_types = ARGP_NAMESTRING;
-                                break;
-                        case AML_CLASS_UNKNOWN:
-                                /* The opcode is unrecognized.  Just skip unknown opcodes */
-                                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-                                        "Found unknown opcode %X at AML address %p offset %X, ignoring\n",
-                                        walk_state->opcode, parser_state->aml, walk_state->aml_offset));
-                                ACPI_DUMP_BUFFER (parser_state->aml, 128);
-                                /* Assume one-byte bad opcode */
-                                parser_state->aml++;
-                                continue;
-                        default:
-                                /* Found opcode info, this is a normal opcode */
-                                parser_state->aml += acpi_ps_get_opcode_size (walk_state->opcode);
-                                walk_state->arg_types = walk_state->op_info->parse_args;
-                                break;
-                        }
-                        /* Create Op structure and append to parent's argument list */
-                        if (walk_state->op_info->flags & AML_NAMED) {
-                                /* Allocate a new pre_op if necessary */
-                                if (!pre_op) {
-                                        pre_op = acpi_ps_alloc_op (walk_state->opcode);
-                                        if (!pre_op) {
-                                                status = AE_NO_MEMORY;
-                                                goto close_this_op;
-                                        }
-                                }
-                                pre_op->common.value.arg = NULL;
-                                pre_op->common.aml_opcode = walk_state->opcode;
-                                /*
-                                 * Get and append arguments until we find the node that contains
-                                 * the name (the type ARGP_NAME).
-                                 */
-                                while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
-                                          (GET_CURRENT_ARG_TYPE (walk_state->arg_types) != ARGP_NAME)) {
-                                        status = acpi_ps_get_next_arg (walk_state, parser_state,
-                                                         GET_CURRENT_ARG_TYPE (walk_state->arg_types), &arg);
-                                        if (ACPI_FAILURE (status)) {
-                                                goto close_this_op;
-                                        }
-                                        acpi_ps_append_arg (pre_op, arg);
-                                        INCREMENT_ARG_LIST (walk_state->arg_types);
-                                }
-                                /*
-                                 * Make sure that we found a NAME and didn't run out of
-                                 * arguments
-                                 */
-                                if (!GET_CURRENT_ARG_TYPE (walk_state->arg_types)) {
-                                        status = AE_AML_NO_OPERAND;
-                                        goto close_this_op;
-                                }
-                                /* We know that this arg is a name, move to next arg */
-                                INCREMENT_ARG_LIST (walk_state->arg_types);
-                                /*
-                                 * Find the object.  This will either insert the object into
-                                 * the namespace or simply look it up
-                                 */
-                                walk_state->op = NULL;
-                                status = walk_state->descending_callback (walk_state, &op);
-                                if (ACPI_FAILURE (status)) {
-                                        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-                                                "During name lookup/catalog, %s\n",
-                                                acpi_format_exception (status)));
-                                        goto close_this_op;
-                                }
-                                if (!op) {
-                                        continue;
-                                }
-                                status = acpi_ps_next_parse_state (walk_state, op, status);
-                                if (status == AE_CTRL_PENDING) {
-                                        status = AE_OK;
-                                        goto close_this_op;
-                                }
-                                if (ACPI_FAILURE (status)) {
-                                        goto close_this_op;
-                                }
-                                acpi_ps_append_arg (op, pre_op->common.value.arg);
-                                acpi_gbl_depth++;
-                                if (op->common.aml_opcode == AML_REGION_OP) {
-                                        /*
-                                         * Defer final parsing of an operation_region body,
-                                         * because we don't have enough info in the first pass
-                                         * to parse it correctly (i.e., there may be method
-                                         * calls within the term_arg elements of the body.)
-                                         *
-                                         * However, we must continue parsing because
-                                         * the opregion is not a standalone package --
-                                         * we don't know where the end is at this point.
-                                         *
-                                         * (Length is unknown until parse of the body complete)
-                                         */
-                                        op->named.data    = aml_op_start;
-                                        op->named.length  = 0;
-                                }
-                        }
-                        else {
-                                /* Not a named opcode, just allocate Op and append to parent */
-                                walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
-                                op = acpi_ps_alloc_op (walk_state->opcode);
-                                if (!op) {
-                                        status = AE_NO_MEMORY;
-                                        goto close_this_op;
-                                }
-                                if (walk_state->op_info->flags & AML_CREATE) {
-                                        /*
-                                         * Backup to beginning of create_xXXfield declaration
-                                         * body_length is unknown until we parse the body
-                                         */
-                                        op->named.data    = aml_op_start;
-                                        op->named.length  = 0;
-                                }
-                                acpi_ps_append_arg (acpi_ps_get_parent_scope (parser_state), op);
-                                if ((walk_state->descending_callback != NULL)) {
-                                        /*
-                                         * Find the object. This will either insert the object into
-                                         * the namespace or simply look it up
-                                         */
-                                        walk_state->op = op;
-                                        status = walk_state->descending_callback (walk_state, &op);
-                                        status = acpi_ps_next_parse_state (walk_state, op, status);
-                                        if (status == AE_CTRL_PENDING) {
-                                                status = AE_OK;
-                                                goto close_this_op;
-                                        }
-                                        if (ACPI_FAILURE (status)) {
-                                                goto close_this_op;
-                                        }
-                                }
-                        }
-                        op->common.aml_offset = walk_state->aml_offset;
-                        if (walk_state->op_info) {
-                                ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
-                                        "Opcode %4.4X [%s] Op %p Aml %p aml_offset %5.5X\n",
-                                         (u32) op->common.aml_opcode, walk_state->op_info->name,
-                                         op, parser_state->aml, op->common.aml_offset));
-                        }
-                }
-                /*
-                 * Start arg_count at zero because we don't know if there are
-                 * any args yet
-                 */
-                walk_state->arg_count = 0;
-                /* Are there any arguments that must be processed? */
-                if (walk_state->arg_types) {
-                        /* Get arguments */
-                        switch (op->common.aml_opcode) {
-                        case AML_BYTE_OP:       /* AML_BYTEDATA_ARG */
-                        case AML_WORD_OP:       /* AML_WORDDATA_ARG */
-                        case AML_DWORD_OP:      /* AML_DWORDATA_ARG */
-                        case AML_QWORD_OP:      /* AML_QWORDATA_ARG */
-                        case AML_STRING_OP:     /* AML_ASCIICHARLIST_ARG */
-                                /* Fill in constant or string argument directly */
-                                acpi_ps_get_next_simple_arg (parser_state,
-                                        GET_CURRENT_ARG_TYPE (walk_state->arg_types), op);
-                                break;
-                        case AML_INT_NAMEPATH_OP:   /* AML_NAMESTRING_ARG */
-                                status = acpi_ps_get_next_namepath (walk_state, parser_state, op, 1);
-                                if (ACPI_FAILURE (status)) {
-                                        goto close_this_op;
-                                }
-                                walk_state->arg_types = 0;
-                                break;
-                        default:
-                                /*
-                                 * Op is not a constant or string, append each argument
-                                 * to the Op
-                                 */
-                                while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
-                                                !walk_state->arg_count) {
-                                        walk_state->aml_offset = (u32)
-                                                ACPI_PTR_DIFF (parser_state->aml, parser_state->aml_start);
-                                        status = acpi_ps_get_next_arg (walk_state, parser_state,
-                                                         GET_CURRENT_ARG_TYPE (walk_state->arg_types),
-                                                         &arg);
-                                        if (ACPI_FAILURE (status)) {
-                                                goto close_this_op;
-                                        }
-                                        if (arg) {
-                                                arg->common.aml_offset = walk_state->aml_offset;
-                                                acpi_ps_append_arg (op, arg);
-                                        }
-                                        INCREMENT_ARG_LIST (walk_state->arg_types);
-                                }
-                                /* Special processing for certain opcodes */
-                                switch (op->common.aml_opcode) {
-                                case AML_METHOD_OP:
-                                        /*
-                                         * Skip parsing of control method
-                                         * because we don't have enough info in the first pass
-                                         * to parse it correctly.
-                                         *
-                                         * Save the length and address of the body
-                                         */
-                                        op->named.data   = parser_state->aml;
-                                        op->named.length = (u32) (parser_state->pkg_end -
-                                                           parser_state->aml);
-                                        /* Skip body of method */
-                                        parser_state->aml   = parser_state->pkg_end;
-                                        walk_state->arg_count = 0;
-                                        break;
-                                case AML_BUFFER_OP:
-                                case AML_PACKAGE_OP:
-                                case AML_VAR_PACKAGE_OP:
-                                        if ((op->common.parent) &&
-                                                (op->common.parent->common.aml_opcode == AML_NAME_OP) &&
-                                                (walk_state->descending_callback != acpi_ds_exec_begin_op)) {
-                                                /*
-                                                 * Skip parsing of Buffers and Packages
-                                                 * because we don't have enough info in the first pass
-                                                 * to parse them correctly.
-                                                 */
-                                                op->named.data   = aml_op_start;
-                                                op->named.length = (u32) (parser_state->pkg_end -
-                                                                   aml_op_start);
-                                                /* Skip body */
-                                                parser_state->aml   = parser_state->pkg_end;
-                                                walk_state->arg_count = 0;
-                                        }
-                                        break;
-                                case AML_WHILE_OP:
-                                        if (walk_state->control_state) {
-                                                walk_state->control_state->control.package_end =
-                                                        parser_state->pkg_end;
-                                        }
-                                        break;
-                                default:
-                                        /* No action for all other opcodes */
-                                        break;
-                                }
-                                break;
-                        }
-                }
-                /* Check for arguments that need to be processed */
-                if (walk_state->arg_count) {
-                        /*
-                         * There are arguments (complex ones), push Op and
-                         * prepare for argument
-                         */
-                        status = acpi_ps_push_scope (parser_state, op,
-                                         walk_state->arg_types, walk_state->arg_count);
-                        if (ACPI_FAILURE (status)) {
-                                goto close_this_op;
-                        }
-                        op = NULL;
-                        continue;
-                }
-                /*
-                 * All arguments have been processed -- Op is complete,
-                 * prepare for next
-                 */
-                walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
-                if (walk_state->op_info->flags & AML_NAMED) {
-                        if (acpi_gbl_depth) {
-                                acpi_gbl_depth--;
-                        }
-                        if (op->common.aml_opcode == AML_REGION_OP) {
-                                /*
-                                 * Skip parsing of control method or opregion body,
-                                 * because we don't have enough info in the first pass
-                                 * to parse them correctly.
-                                 *
-                                 * Completed parsing an op_region declaration, we now
-                                 * know the length.
-                                 */
-                                op->named.length = (u32) (parser_state->aml - op->named.data);
-                        }
-                }
-                if (walk_state->op_info->flags & AML_CREATE) {
-                        /*
-                         * Backup to beginning of create_xXXfield declaration (1 for
-                         * Opcode)
-                         *
-                         * body_length is unknown until we parse the body
-                         */
-                        op->named.length = (u32) (parser_state->aml - op->named.data);
-                }
-                /* This op complete, notify the dispatcher */
-                if (walk_state->ascending_callback != NULL) {
-                        walk_state->op    = op;
-                        walk_state->opcode = op->common.aml_opcode;
-                        status = walk_state->ascending_callback (walk_state);
-                        status = acpi_ps_next_parse_state (walk_state, op, status);
-                        if (status == AE_CTRL_PENDING) {
-                                status = AE_OK;
-                                goto close_this_op;
-                        }
-                }
-close_this_op:
-                /*
-                 * Finished one argument of the containing scope
-                 */
-                parser_state->scope->parse_scope.arg_count--;
-                /* Close this Op (will result in parse subtree deletion) */
-                acpi_ps_complete_this_op (walk_state, op);
-                op = NULL;
-                if (pre_op) {
-                        acpi_ps_free_op (pre_op);
-                        pre_op = NULL;
-                }
-                switch (status) {
-                case AE_OK:
-                        break;
-                case AE_CTRL_TRANSFER:
-                        /* We are about to transfer to a called method. */
-                        walk_state->prev_op = op;
-                        walk_state->prev_arg_types = walk_state->arg_types;
-                        return_ACPI_STATUS (status);
-                case AE_CTRL_END:
-                        acpi_ps_pop_scope (parser_state, &op,
-                                &walk_state->arg_types, &walk_state->arg_count);
-                        if (op) {
-                                walk_state->op    = op;
-                                walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
-                                walk_state->opcode = op->common.aml_opcode;
-                                status = walk_state->ascending_callback (walk_state);
-                                status = acpi_ps_next_parse_state (walk_state, op, status);
-                                acpi_ps_complete_this_op (walk_state, op);
-                                op = NULL;
-                        }
-                        status = AE_OK;
-                        break;
-                case AE_CTRL_BREAK:
-                case AE_CTRL_CONTINUE:
-                        /* Pop off scopes until we find the While */
-                        while (!op || (op->common.aml_opcode != AML_WHILE_OP)) {
-                                acpi_ps_pop_scope (parser_state, &op,
-                                        &walk_state->arg_types, &walk_state->arg_count);
-                        }
-                        /* Close this iteration of the While loop */
-                        walk_state->op    = op;
-                        walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
-                        walk_state->opcode = op->common.aml_opcode;
-                        status = walk_state->ascending_callback (walk_state);
-                        status = acpi_ps_next_parse_state (walk_state, op, status);
-                        acpi_ps_complete_this_op (walk_state, op);
-                        op = NULL;
-                        status = AE_OK;
-                        break;
-                case AE_CTRL_TERMINATE:
-                        status = AE_OK;
-                        /* Clean up */
-                        do {
-                                if (op) {
-                                        acpi_ps_complete_this_op (walk_state, op);
-                                }
-                                acpi_ps_pop_scope (parser_state, &op,
-                                        &walk_state->arg_types, &walk_state->arg_count);
-                        } while (op);
-                        return_ACPI_STATUS (status);
-                default:  /* All other non-AE_OK status */
-                        do {
-                                if (op) {
-                                        acpi_ps_complete_this_op (walk_state, op);
-                                }
-                                acpi_ps_pop_scope (parser_state, &op,
-                                        &walk_state->arg_types, &walk_state->arg_count);
-                        } while (op);
-                        /*
-                         * TBD: Cleanup parse ops on error
-                         */
-#if 0
-                        if (op == NULL) {
-                                acpi_ps_pop_scope (parser_state, &op,
-                                        &walk_state->arg_types, &walk_state->arg_count);
-                        }
-#endif
-                        walk_state->prev_op = op;
-                        walk_state->prev_arg_types = walk_state->arg_types;
-                        return_ACPI_STATUS (status);
-                }
-                /* This scope complete? */
-                if (acpi_ps_has_completed_scope (parser_state)) {
-                        acpi_ps_pop_scope (parser_state, &op,
-                                &walk_state->arg_types, &walk_state->arg_count);
-                        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
-                }
-                else {
-                        op = NULL;
-                }
-        } /* while parser_state->Aml */
-        /*
-         * Complete the last Op (if not completed), and clear the scope stack.
-         * It is easily possible to end an AML "package" with an unbounded number
-         * of open scopes (such as when several ASL blocks are closed with
-         * sequential closing braces).  We want to terminate each one cleanly.
-         */
-        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "AML package complete at Op %p\n", op));
-        do {
-                if (op) {
-                        if (walk_state->ascending_callback != NULL) {
-                                walk_state->op    = op;
-                                walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
-                                walk_state->opcode = op->common.aml_opcode;
-                                status = walk_state->ascending_callback (walk_state);
-                                status = acpi_ps_next_parse_state (walk_state, op, status);
-                                if (status == AE_CTRL_PENDING) {
-                                        status = AE_OK;
-                                        goto close_this_op;
-                                }
-                                if (status == AE_CTRL_TERMINATE) {
-                                        status = AE_OK;
-                                        /* Clean up */
-                                        do {
-                                                if (op) {
-                                                        acpi_ps_complete_this_op (walk_state, op);
-                                                }
-                                                acpi_ps_pop_scope (parser_state, &op,
-                                                        &walk_state->arg_types, &walk_state->arg_count);
-                                        } while (op);
-                                        return_ACPI_STATUS (status);
-                                }
-                                else if (ACPI_FAILURE (status)) {
-                                        acpi_ps_complete_this_op (walk_state, op);
-                                        return_ACPI_STATUS (status);
-                                }
-                        }
-                        acpi_ps_complete_this_op (walk_state, op);
-                }
-                acpi_ps_pop_scope (parser_state, &op, &walk_state->arg_types,
-                        &walk_state->arg_count);
-        } while (op);
-        return_ACPI_STATUS (status);
-}
-/*******************************************************************************
- *
 * FUNCTION:    acpi_ps_parse_aml
 *
 * PARAMETERS:  walk_state      - Current state
diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/parser/psutils.c
index a10f88715d43..4221b41ae1a6 100644
--- a/drivers/acpi/parser/psutils.c
+++ b/drivers/acpi/parser/psutils.c
@@ -154,12 +154,14 @@ acpi_ps_alloc_op (
        if (flags == ACPI_PARSEOP_GENERIC) {
                /* The generic op (default) is by far the most common (16 to 1) */
-                op = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_PSNODE);
+                op = acpi_os_acquire_object (acpi_gbl_ps_node_cache);
+                memset(op, 0, sizeof(struct acpi_parse_obj_common));
        }
        else {
                /* Extended parseop */
-                op = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_PSNODE_EXT);
+                op = acpi_os_acquire_object (acpi_gbl_ps_node_ext_cache);
+                memset(op, 0, sizeof(struct acpi_parse_obj_named));
        }
        /* Initialize the Op */
@@ -198,41 +200,14 @@ acpi_ps_free_op (
        }
        if (op->common.flags & ACPI_PARSEOP_GENERIC) {
-                acpi_ut_release_to_cache (ACPI_MEM_LIST_PSNODE, op);
+                (void) acpi_os_release_object (acpi_gbl_ps_node_cache, op);
        }
        else {
-                acpi_ut_release_to_cache (ACPI_MEM_LIST_PSNODE_EXT, op);
+                (void) acpi_os_release_object (acpi_gbl_ps_node_ext_cache, op);
        }
 }
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ps_delete_parse_cache
- *
- * PARAMETERS:  None
- *
- * RETURN:      None
- *
- * DESCRIPTION: Free all objects that are on the parse cache list.
- *
- ******************************************************************************/
-void
-acpi_ps_delete_parse_cache (
-        void)
-{
-        ACPI_FUNCTION_TRACE ("ps_delete_parse_cache");
-        acpi_ut_delete_generic_cache (ACPI_MEM_LIST_PSNODE);
-        acpi_ut_delete_generic_cache (ACPI_MEM_LIST_PSNODE_EXT);
-        return_VOID;
-}
-#endif
 /*******************************************************************************
 *
 * FUNCTION:    Utility functions
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c
index dba893648e84..d1541fabaf0a 100644
--- a/drivers/acpi/parser/psxface.c
+++ b/drivers/acpi/parser/psxface.c
@@ -46,19 +46,30 @@
 #include <acpi/acparser.h>
 #include <acpi/acdispat.h>
 #include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
 #define _COMPONENT          ACPI_PARSER
         ACPI_MODULE_NAME    ("psxface")
+/* Local Prototypes */
+static acpi_status
+acpi_ps_execute_pass (
+        struct acpi_parameter_info      *info);
+static void
+acpi_ps_update_parameter_list (
+        struct acpi_parameter_info      *info,
+        u16                             action);
 /*******************************************************************************
 *
- * FUNCTION:    acpi_psx_execute
+ * FUNCTION:    acpi_ps_execute_method
 *
 * PARAMETERS:  Info            - Method info block, contains:
 *                  Node            - Method Node to execute
+ *                  obj_desc        - Method object
 *                  Parameters      - List of parameters to pass to the method,
 *                                    terminated by NULL. Params itself may be
 *                                    NULL if no parameters are being passed.
@@ -67,6 +78,7 @@
 *                  parameter_type  - Type of Parameter list
 *                  return_object   - Where to put method's return value (if
 *                                    any). If NULL, no value is returned.
+ *                  pass_number     - Parse or execute pass
 *
 * RETURN:      Status
 *
@@ -75,171 +87,194 @@
 ******************************************************************************/
 acpi_status
-acpi_psx_execute (
+acpi_ps_execute_method (
        struct acpi_parameter_info      *info)
 {
        acpi_status                     status;
-        union acpi_operand_object       *obj_desc;
-        u32                             i;
-        union acpi_parse_object         *op;
-        struct acpi_walk_state          *walk_state;
-        ACPI_FUNCTION_TRACE ("psx_execute");
+        ACPI_FUNCTION_TRACE ("ps_execute_method");
-        /* Validate the Node and get the attached object */
+        /* Validate the Info and method Node */
        if (!info || !info->node) {
                return_ACPI_STATUS (AE_NULL_ENTRY);
        }
-        obj_desc = acpi_ns_get_attached_object (info->node);
-        if (!obj_desc) {
-                return_ACPI_STATUS (AE_NULL_OBJECT);
-        }
        /* Init for new method, wait on concurrency semaphore */
-        status = acpi_ds_begin_method_execution (info->node, obj_desc, NULL);
+        status = acpi_ds_begin_method_execution (info->node, info->obj_desc, NULL);
        if (ACPI_FAILURE (status)) {
                return_ACPI_STATUS (status);
        }
-        if ((info->parameter_type == ACPI_PARAM_ARGS) &&
-                (info->parameters)) {
-                /*
-                 * The caller "owns" the parameters, so give each one an extra
-                 * reference
-                 */
-                for (i = 0; info->parameters[i]; i++) {
-                        acpi_ut_add_reference (info->parameters[i]);
-                }
-        }
-        /*
-         * 1) Perform the first pass parse of the method to enter any
-         * named objects that it creates into the namespace
-         */
-        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
-                "**** Begin Method Parse **** Entry=%p obj=%p\n",
-                info->node, obj_desc));
-        /* Create and init a Root Node */
-        op = acpi_ps_create_scope_op ();
-        if (!op) {
-                status = AE_NO_MEMORY;
-                goto cleanup1;
-        }
        /*
         * Get a new owner_id for objects created by this method. Namespace
         * objects (such as Operation Regions) can be created during the
         * first pass parse.
         */
-        obj_desc->method.owning_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_METHOD);
+        status = acpi_ut_allocate_owner_id (&info->obj_desc->method.owner_id);
-        /* Create and initialize a new walk state */
-        walk_state = acpi_ds_create_walk_state (obj_desc->method.owning_id,
-                           NULL, NULL, NULL);
-        if (!walk_state) {
-                status = AE_NO_MEMORY;
-                goto cleanup2;
-        }
-        status = acpi_ds_init_aml_walk (walk_state, op, info->node,
-                          obj_desc->method.aml_start,
-                          obj_desc->method.aml_length, NULL, 1);
        if (ACPI_FAILURE (status)) {
-                goto cleanup3;
+                return_ACPI_STATUS (status);
        }
-        /* Parse the AML */
+        /*
+         * The caller "owns" the parameters, so give each one an extra
+         * reference
+         */
+        acpi_ps_update_parameter_list (info, REF_INCREMENT);
-        status = acpi_ps_parse_aml (walk_state);
+        /*
-        acpi_ps_delete_parse_tree (op);
+         * 1) Perform the first pass parse of the method to enter any
+         *    named objects that it creates into the namespace
+         */
+        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+                "**** Begin Method Parse **** Entry=%p obj=%p\n",
+                info->node, info->obj_desc));
+        info->pass_number = 1;
+        status = acpi_ps_execute_pass (info);
        if (ACPI_FAILURE (status)) {
-                goto cleanup1; /* Walk state is already deleted */
+                goto cleanup;
        }
        /*
-         * 2) Execute the method.  Performs second pass parse simultaneously
+         * 2) Execute the method. Performs second pass parse simultaneously
         */
        ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
                "**** Begin Method Execution **** Entry=%p obj=%p\n",
-                info->node, obj_desc));
+                info->node, info->obj_desc));
-        /* Create and init a Root Node */
+        info->pass_number = 3;
+        status = acpi_ps_execute_pass (info);
-        op = acpi_ps_create_scope_op ();
-        if (!op) {
+cleanup:
-                status = AE_NO_MEMORY;
+        if (info->obj_desc->method.owner_id) {
-                goto cleanup1;
+                acpi_ut_release_owner_id (&info->obj_desc->method.owner_id);
        }
-        /* Init new op with the method name and pointer back to the NS node */
+        /* Take away the extra reference that we gave the parameters above */
-        acpi_ps_set_name (op, info->node->name.integer);
+        acpi_ps_update_parameter_list (info, REF_DECREMENT);
-        op->common.node = info->node;
-        /* Create and initialize a new walk state */
+        /* Exit now if error above */
-        walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL);
+        if (ACPI_FAILURE (status)) {
-        if (!walk_state) {
+                return_ACPI_STATUS (status);
-                status = AE_NO_MEMORY;
-                goto cleanup2;
        }
-        status = acpi_ds_init_aml_walk (walk_state, op, info->node,
+        /*
-                          obj_desc->method.aml_start,
+         * If the method has returned an object, signal this to the caller with
-                          obj_desc->method.aml_length, info, 3);
+         * a control exception code
-        if (ACPI_FAILURE (status)) {
+         */
-                goto cleanup3;
+        if (info->return_object) {
+                ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned obj_desc=%p\n",
+                        info->return_object));
+                ACPI_DUMP_STACK_ENTRY (info->return_object);
+                status = AE_CTRL_RETURN_VALUE;
        }
-        /* The walk of the parse tree is where we actually execute the method */
+        return_ACPI_STATUS (status);
+}
-        status = acpi_ps_parse_aml (walk_state);
-        goto cleanup2; /* Walk state already deleted */
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_update_parameter_list
+ *
+ * PARAMETERS:  Info            - See struct acpi_parameter_info
+ *                                (Used: parameter_type and Parameters)
+ *              Action          - Add or Remove reference
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Update reference count on all method parameter objects
+ *
+ ******************************************************************************/
-cleanup3:
+static void
-        acpi_ds_delete_walk_state (walk_state);
+acpi_ps_update_parameter_list (
+        struct acpi_parameter_info      *info,
+        u16                             action)
+{
+        acpi_native_uint                i;
-cleanup2:
-        acpi_ps_delete_parse_tree (op);
-cleanup1:
        if ((info->parameter_type == ACPI_PARAM_ARGS) &&
                (info->parameters)) {
-                /* Take away the extra reference that we gave the parameters above */
+                /* Update reference count for each parameter */
                for (i = 0; info->parameters[i]; i++) {
                        /* Ignore errors, just do them all */
-                        (void) acpi_ut_update_object_reference (
+                        (void) acpi_ut_update_object_reference (info->parameters[i], action);
-                                         info->parameters[i], REF_DECREMENT);
                }
        }
+}
-        if (ACPI_FAILURE (status)) {
-                return_ACPI_STATUS (status);
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_execute_pass
+ *
+ * PARAMETERS:  Info            - See struct acpi_parameter_info
+ *                                (Used: pass_number, Node, and obj_desc)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Single AML pass: Parse or Execute a control method
+ *
+ ******************************************************************************/
+static acpi_status
+acpi_ps_execute_pass (
+        struct acpi_parameter_info      *info)
+{
+        acpi_status                     status;
+        union acpi_parse_object         *op;
+        struct acpi_walk_state          *walk_state;
+        ACPI_FUNCTION_TRACE ("ps_execute_pass");
+        /* Create and init a Root Node */
+        op = acpi_ps_create_scope_op ();
+        if (!op) {
+                return_ACPI_STATUS (AE_NO_MEMORY);
        }
-        /*
+        /* Create and initialize a new walk state */
-         * If the method has returned an object, signal this to the caller with
-         * a control exception code
-         */
-        if (info->return_object) {
-                ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned obj_desc=%p\n",
-                        info->return_object));
-                ACPI_DUMP_STACK_ENTRY (info->return_object);
-                status = AE_CTRL_RETURN_VALUE;
+        walk_state = acpi_ds_create_walk_state (
+                          info->obj_desc->method.owner_id, NULL, NULL, NULL);
+        if (!walk_state) {
+                status = AE_NO_MEMORY;
+                goto cleanup;
+        }
+        status = acpi_ds_init_aml_walk (walk_state, op, info->node,
+                          info->obj_desc->method.aml_start,
+                          info->obj_desc->method.aml_length,
+                          info->pass_number == 1 ? NULL : info,
+                          info->pass_number);
+        if (ACPI_FAILURE (status)) {
+                acpi_ds_delete_walk_state (walk_state);
+                goto cleanup;
        }
+        /* Parse the AML */
+        status = acpi_ps_parse_aml (walk_state);
+        /* Walk state was deleted by parse_aml */
+cleanup:
+        acpi_ps_delete_parse_tree (op);
        return_ACPI_STATUS (status);
 }
diff --git a/drivers/acpi/resources/rsdump.c b/drivers/acpi/resources/rsdump.c
index 1935dab2ab51..2c3bb8c35741 100644
--- a/drivers/acpi/resources/rsdump.c
+++ b/drivers/acpi/resources/rsdump.c
@@ -48,6 +48,9 @@
 #define _COMPONENT          ACPI_RESOURCES
         ACPI_MODULE_NAME    ("rsdump")
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 /* Local prototypes */
 static void
@@ -103,7 +106,6 @@ acpi_rs_dump_vendor_specific (
        union acpi_resource_data        *data);
-#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 /*******************************************************************************
 *
 * FUNCTION:    acpi_rs_dump_irq
diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c
index 92e0c31539be..d4ff71f5fe5d 100644
--- a/drivers/acpi/tables/tbconvrt.c
+++ b/drivers/acpi/tables/tbconvrt.c
@@ -97,7 +97,9 @@ acpi_tb_get_table_count (
        ACPI_FUNCTION_ENTRY ();
-        if (RSDP->revision < 2) {
+        /* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
+        if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
                pointer_size = sizeof (u32);
        }
        else {
@@ -158,7 +160,9 @@ acpi_tb_convert_to_xsdt (
        /* Copy the table pointers */
        for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
-                if (acpi_gbl_RSDP->revision < 2) {
+                /* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
+                if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
                        ACPI_STORE_ADDRESS (new_table->table_offset_entry[i],
                                (ACPI_CAST_PTR (struct rsdt_descriptor_rev1,
                                        table_info->pointer))->table_offset_entry[i]);
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 629b64c8193d..698799901f55 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -124,9 +124,7 @@ acpi_tb_match_signature (
 *
 * RETURN:      Status
 *
- * DESCRIPTION: Load and validate all tables other than the RSDT.  The RSDT must
+ * DESCRIPTION: Install the table into the global data structures.
- *              already be loaded and validated.
- *              Install the table into the global data structs.
 *
 ******************************************************************************/
@@ -136,6 +134,7 @@ acpi_tb_install_table (
 {
        acpi_status                     status;
        ACPI_FUNCTION_TRACE ("tb_install_table");
@@ -143,22 +142,33 @@ acpi_tb_install_table (
        status = acpi_ut_acquire_mutex (ACPI_MTX_TABLES);
        if (ACPI_FAILURE (status)) {
-                ACPI_REPORT_ERROR (("Could not acquire table mutex for [%4.4s], %s\n",
+                ACPI_REPORT_ERROR (("Could not acquire table mutex, %s\n",
-                        table_info->pointer->signature, acpi_format_exception (status)));
+                        acpi_format_exception (status)));
                return_ACPI_STATUS (status);
        }
+        /*
+         * Ignore a table that is already installed. For example, some BIOS
+         * ASL code will repeatedly attempt to load the same SSDT.
+         */
+        status = acpi_tb_is_table_installed (table_info);
+        if (ACPI_FAILURE (status)) {
+                goto unlock_and_exit;
+        }
        /* Install the table into the global data structure */
        status = acpi_tb_init_table_descriptor (table_info->type, table_info);
        if (ACPI_FAILURE (status)) {
-                ACPI_REPORT_ERROR (("Could not install ACPI table [%4.4s], %s\n",
+                ACPI_REPORT_ERROR (("Could not install table [%4.4s], %s\n",
                        table_info->pointer->signature, acpi_format_exception (status)));
        }
        ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%s located at %p\n",
                acpi_gbl_table_data[table_info->type].name, table_info->pointer));
+unlock_and_exit:
        (void) acpi_ut_release_mutex (ACPI_MTX_TABLES);
        return_ACPI_STATUS (status);
 }
@@ -251,6 +261,7 @@ acpi_tb_init_table_descriptor (
 {
        struct acpi_table_list          *list_head;
        struct acpi_table_desc          *table_desc;
+        acpi_status                     status;
        ACPI_FUNCTION_TRACE_U32 ("tb_init_table_descriptor", table_type);
@@ -263,6 +274,13 @@ acpi_tb_init_table_descriptor (
                return_ACPI_STATUS (AE_NO_MEMORY);
        }
+        /* Get a new owner ID for the table */
+        status = acpi_ut_allocate_owner_id (&table_desc->owner_id);
+        if (ACPI_FAILURE (status)) {
+                return_ACPI_STATUS (status);
+        }
        /* Install the table into the global data structure */
        list_head = &acpi_gbl_table_lists[table_type];
@@ -325,8 +343,6 @@ acpi_tb_init_table_descriptor (
        table_desc->aml_start           = (u8 *) (table_desc->pointer + 1),
        table_desc->aml_length          = (u32) (table_desc->length -
                         (u32) sizeof (struct acpi_table_header));
-        table_desc->table_id            = acpi_ut_allocate_owner_id (
-                         ACPI_OWNER_TYPE_TABLE);
        table_desc->loaded_into_namespace = FALSE;
        /*
@@ -339,7 +355,7 @@ acpi_tb_init_table_descriptor (
        /* Return Data */
-        table_info->table_id        = table_desc->table_id;
+        table_info->owner_id        = table_desc->owner_id;
        table_info->installed_desc  = table_desc;
        return_ACPI_STATUS (AE_OK);
diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c
index b7ffe39c3626..069d498465d0 100644
--- a/drivers/acpi/tables/tbrsdt.c
+++ b/drivers/acpi/tables/tbrsdt.c
@@ -96,32 +96,13 @@ acpi_tb_verify_rsdp (
                return_ACPI_STATUS (AE_BAD_PARAMETER);
        }
-        /*
+        /* Verify RSDP signature and checksum */
-         *  The signature and checksum must both be correct
-         */
-        if (ACPI_STRNCMP ((char *) rsdp, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0) {
-                /* Nope, BAD Signature */
-                status = AE_BAD_SIGNATURE;
-                goto cleanup;
-        }
-        /* Check the standard checksum */
-        if (acpi_tb_checksum (rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
+        status = acpi_tb_validate_rsdp (rsdp);
-                status = AE_BAD_CHECKSUM;
+        if (ACPI_FAILURE (status)) {
                goto cleanup;
        }
-        /* Check extended checksum if table version >= 2 */
-        if (rsdp->revision >= 2) {
-                if (acpi_tb_checksum (rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0) {
-                        status = AE_BAD_CHECKSUM;
-                        goto cleanup;
-                }
-        }
        /* The RSDP supplied is OK */
        table_info.pointer     = ACPI_CAST_PTR (struct acpi_table_header, rsdp);
@@ -159,8 +140,8 @@ cleanup:
 *
 * RETURN:      None, Address
 *
- * DESCRIPTION: Extract the address of the RSDT or XSDT, depending on the
+ * DESCRIPTION: Extract the address of either the RSDT or XSDT, depending on the
- *              version of the RSDP
+ *              version of the RSDP and whether the XSDT pointer is valid
 *
 ******************************************************************************/
@@ -174,16 +155,19 @@ acpi_tb_get_rsdt_address (
        out_address->pointer_type = acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING;
-        /*
+        /* Use XSDT if it is present */
-         * For RSDP revision 0 or 1, we use the RSDT.
-         * For RSDP revision 2 (and above), we use the XSDT
+        if ((acpi_gbl_RSDP->revision >= 2) &&
-         */
+                acpi_gbl_RSDP->xsdt_physical_address) {
-        if (acpi_gbl_RSDP->revision < 2) {
-                out_address->pointer.value = acpi_gbl_RSDP->rsdt_physical_address;
-        }
-        else {
                out_address->pointer.value =
                        acpi_gbl_RSDP->xsdt_physical_address;
+                acpi_gbl_root_table_type = ACPI_TABLE_TYPE_XSDT;
+        }
+        else {
+                /* No XSDT, use the RSDT */
+                out_address->pointer.value = acpi_gbl_RSDP->rsdt_physical_address;
+                acpi_gbl_root_table_type = ACPI_TABLE_TYPE_RSDT;
        }
 }
@@ -211,10 +195,9 @@ acpi_tb_validate_rsdt (
        /*
-         * For RSDP revision 0 or 1, we use the RSDT.
+         * Search for appropriate signature, RSDT or XSDT
-         * For RSDP revision 2 and above, we use the XSDT
         */
-        if (acpi_gbl_RSDP->revision < 2) {
+        if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
                no_match = ACPI_STRNCMP ((char *) table_ptr, RSDT_SIG,
                                  sizeof (RSDT_SIG) -1);
        }
@@ -236,11 +219,11 @@ acpi_tb_validate_rsdt (
                        acpi_gbl_RSDP->rsdt_physical_address,
                        (void *) (acpi_native_uint) acpi_gbl_RSDP->rsdt_physical_address));
-                if (acpi_gbl_RSDP->revision < 2) {
+                if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
-                        ACPI_REPORT_ERROR (("Looking for RSDT (RSDP->Rev < 2)\n"))
+                        ACPI_REPORT_ERROR (("Looking for RSDT\n"))
                }
                else {
-                        ACPI_REPORT_ERROR (("Looking for XSDT (RSDP->Rev >= 2)\n"))
+                        ACPI_REPORT_ERROR (("Looking for XSDT\n"))
                }
                ACPI_DUMP_BUFFER ((char *) table_ptr, 48);
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index e69d01d443d2..6fc1e36e6042 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -61,6 +61,67 @@ acpi_tb_handle_to_object (
 /*******************************************************************************
 *
+ * FUNCTION:    acpi_tb_is_table_installed
+ *
+ * PARAMETERS:  new_table_desc      - Descriptor for new table being installed
+ *
+ * RETURN:      Status - AE_ALREADY_EXISTS if the table is already installed
+ *
+ * DESCRIPTION: Determine if an ACPI table is already installed
+ *
+ * MUTEX:       Table data structures should be locked
+ *
+ ******************************************************************************/
+acpi_status
+acpi_tb_is_table_installed (
+        struct acpi_table_desc          *new_table_desc)
+{
+        struct acpi_table_desc          *table_desc;
+        ACPI_FUNCTION_TRACE ("tb_is_table_installed");
+        /* Get the list descriptor and first table descriptor */
+        table_desc = acpi_gbl_table_lists[new_table_desc->type].next;
+        /* Examine all installed tables of this type */
+        while (table_desc) {
+                /* Compare Revision and oem_table_id */
+                if ((table_desc->loaded_into_namespace) &&
+                        (table_desc->pointer->revision ==
+                                        new_table_desc->pointer->revision) &&
+                        (!ACPI_MEMCMP (table_desc->pointer->oem_table_id,
+                                        new_table_desc->pointer->oem_table_id, 8))) {
+                        /* This table is already installed */
+                        ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,
+                                "Table [%4.4s] already installed: Rev %X oem_table_id [%8.8s]\n",
+                                new_table_desc->pointer->signature,
+                                new_table_desc->pointer->revision,
+                                new_table_desc->pointer->oem_table_id));
+                        new_table_desc->owner_id    = table_desc->owner_id;
+                        new_table_desc->installed_desc = table_desc;
+                        return_ACPI_STATUS (AE_ALREADY_EXISTS);
+                }
+                /* Get next table on the list */
+                table_desc = table_desc->next;
+        }
+        return_ACPI_STATUS (AE_OK);
+}
+/*******************************************************************************
+ *
 * FUNCTION:    acpi_tb_validate_table_header
 *
 * PARAMETERS:  table_header        - Logical pointer to the table
@@ -157,7 +218,7 @@ acpi_tb_verify_table_checksum (
        /* Compute the checksum on the table */
-        checksum = acpi_tb_checksum (table_header, table_header->length);
+        checksum = acpi_tb_generate_checksum (table_header, table_header->length);
        /* Return the appropriate exception */
@@ -175,7 +236,7 @@ acpi_tb_verify_table_checksum (
 /*******************************************************************************
 *
- * FUNCTION:    acpi_tb_checksum
+ * FUNCTION:    acpi_tb_generate_checksum
 *
 * PARAMETERS:  Buffer              - Buffer to checksum
 *              Length              - Size of the buffer
@@ -187,7 +248,7 @@ acpi_tb_verify_table_checksum (
 ******************************************************************************/
 u8
-acpi_tb_checksum (
+acpi_tb_generate_checksum (
        void                            *buffer,
        u32                             length)
 {
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 0c0b9085dbeb..e18a05d1b9b3 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -182,10 +182,23 @@ acpi_load_table (
                return_ACPI_STATUS (status);
        }
+        /* Check signature for a valid table type */
+        status = acpi_tb_recognize_table (&table_info, ACPI_TABLE_ALL);
+        if (ACPI_FAILURE (status)) {
+                return_ACPI_STATUS (status);
+        }
        /* Install the new table into the local data structures */
        status = acpi_tb_install_table (&table_info);
        if (ACPI_FAILURE (status)) {
+                if (status == AE_ALREADY_EXISTS) {
+                        /* Table already exists, no error */
+                        status = AE_OK;
+                }
                /* Free table allocated by acpi_tb_get_table_body */
                acpi_tb_delete_single_table (&table_info);
@@ -260,8 +273,8 @@ acpi_unload_table (
                 * "Scope" operator.  Thus, we need to track ownership by an ID, not
                 * simply a position within the hierarchy
                 */
-                acpi_ns_delete_namespace_by_owner (table_desc->table_id);
+                acpi_ns_delete_namespace_by_owner (table_desc->owner_id);
+                acpi_ut_release_owner_id (&table_desc->owner_id);
                table_desc = table_desc->next;
        }
diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index dc3c3f6a9f62..87dccdda9ae2 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -65,6 +65,51 @@ acpi_tb_scan_memory_for_rsdp (
 /*******************************************************************************
 *
+ * FUNCTION:    acpi_tb_validate_rsdp
+ *
+ * PARAMETERS:  Rsdp        - Pointer to unvalidated RSDP
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Validate the RSDP (ptr)
+ *
+ ******************************************************************************/
+acpi_status
+acpi_tb_validate_rsdp (
+        struct rsdp_descriptor          *rsdp)
+{
+        ACPI_FUNCTION_ENTRY ();
+        /*
+         *  The signature and checksum must both be correct
+         */
+        if (ACPI_STRNCMP ((char *) rsdp, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0) {
+                /* Nope, BAD Signature */
+                return (AE_BAD_SIGNATURE);
+        }
+        /* Check the standard checksum */
+        if (acpi_tb_generate_checksum (rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
+                return (AE_BAD_CHECKSUM);
+        }
+        /* Check extended checksum if table version >= 2 */
+        if ((rsdp->revision >= 2) &&
+                (acpi_tb_generate_checksum (rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) {
+                return (AE_BAD_CHECKSUM);
+        }
+        return (AE_OK);
+}
+/*******************************************************************************
+ *
 * FUNCTION:    acpi_tb_find_table
 *
 * PARAMETERS:  Signature           - String with ACPI table signature
@@ -218,19 +263,11 @@ acpi_get_firmware_table (
                        acpi_gbl_RSDP = address.pointer.logical;
                }
-                /* The signature and checksum must both be correct */
+                /* The RDSP signature and checksum must both be correct */
-                if (ACPI_STRNCMP ((char *) acpi_gbl_RSDP, RSDP_SIG,
-                                sizeof (RSDP_SIG)-1) != 0) {
-                        /* Nope, BAD Signature */
-                        return_ACPI_STATUS (AE_BAD_SIGNATURE);
-                }
-                if (acpi_tb_checksum (acpi_gbl_RSDP, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
-                        /* Nope, BAD Checksum */
-                        return_ACPI_STATUS (AE_BAD_CHECKSUM);
+                status = acpi_tb_validate_rsdp (acpi_gbl_RSDP);
+                if (ACPI_FAILURE (status)) {
+                        return_ACPI_STATUS (status);
                }
        }
@@ -287,9 +324,11 @@ acpi_get_firmware_table (
         * requested table
         */
        for (i = 0, j = 0; i < table_count; i++) {
-                /* Get the next table pointer, handle RSDT vs. XSDT */
+                /*
+                 * Get the next table pointer, handle RSDT vs. XSDT
-                if (acpi_gbl_RSDP->revision < 2) {
+                 * RSDT pointers are 32 bits, XSDT pointers are 64 bits
+                 */
+                if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
                        address.pointer.value = (ACPI_CAST_PTR (
                                RSDT_DESCRIPTOR, rsdt_info->pointer))->table_offset_entry[i];
                }
@@ -331,8 +370,10 @@ acpi_get_firmware_table (
 cleanup:
-        acpi_os_unmap_memory (rsdt_info->pointer,
+        if (rsdt_info->pointer) {
-                (acpi_size) rsdt_info->pointer->length);
+                acpi_os_unmap_memory (rsdt_info->pointer,
+                        (acpi_size) rsdt_info->pointer->length);
+        }
        ACPI_MEM_FREE (rsdt_info);
        if (header) {
@@ -410,9 +451,9 @@ acpi_tb_scan_memory_for_rsdp (
        u8                              *start_address,
        u32                             length)
 {
+        acpi_status                     status;
        u8                              *mem_rover;
        u8                              *end_address;
-        u8                              checksum;
        ACPI_FUNCTION_TRACE ("tb_scan_memory_for_rsdp");
@@ -424,45 +465,25 @@ acpi_tb_scan_memory_for_rsdp (
        for (mem_rover = start_address; mem_rover < end_address;
                 mem_rover += ACPI_RSDP_SCAN_STEP) {
-                /* The signature and checksum must both be correct */
+                /* The RSDP signature and checksum must both be correct */
-                if (ACPI_STRNCMP ((char *) mem_rover,
-                                RSDP_SIG, sizeof (RSDP_SIG) - 1) != 0) {
-                        /* No signature match, keep looking */
-                        continue;
-                }
-                /* Signature matches, check the appropriate checksum */
-                if ((ACPI_CAST_PTR (struct rsdp_descriptor, mem_rover))->revision < 2) {
-                        /* ACPI version 1.0 */
-                        checksum = acpi_tb_checksum (mem_rover, ACPI_RSDP_CHECKSUM_LENGTH);
+                status = acpi_tb_validate_rsdp (ACPI_CAST_PTR (struct rsdp_descriptor, mem_rover));
-                }
+                if (ACPI_SUCCESS (status)) {
-                else {
+                        /* Sig and checksum valid, we have found a real RSDP */
-                        /* Post ACPI 1.0, use extended_checksum */
-                        checksum = acpi_tb_checksum (mem_rover, ACPI_RSDP_XCHECKSUM_LENGTH);
-                }
-                if (checksum == 0) {
-                        /* Checksum valid, we have found a valid RSDP */
                        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
                                "RSDP located at physical address %p\n", mem_rover));
                        return_PTR (mem_rover);
                }
-                ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+                /* No sig match or bad checksum, keep searching */
-                        "Found an RSDP at physical address %p, but it has a bad checksum\n",
-                        mem_rover));
        }
        /* Searched entire block, no RSDP was found */
        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
-                "Searched entire block, no valid RSDP was found.\n"));
+                "Searched entire block from %p, valid RSDP was not found\n",
+                start_address));
        return_PTR (NULL);
 }
@@ -550,7 +571,7 @@ acpi_tb_find_rsdp (
                        acpi_os_unmap_memory (table_ptr, ACPI_EBDA_WINDOW_SIZE);
                        if (mem_rover) {
-                                /* Found it, return the physical address */
+                                /* Return the physical address */
                                physical_address += ACPI_PTR_DIFF (mem_rover, table_ptr);
@@ -579,7 +600,7 @@ acpi_tb_find_rsdp (
                acpi_os_unmap_memory (table_ptr, ACPI_HI_RSDP_WINDOW_SIZE);
                if (mem_rover) {
-                        /* Found it, return the physical address */
+                        /* Return the physical address */
                        physical_address =
                                ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF (mem_rover, table_ptr);
@@ -610,7 +631,7 @@ acpi_tb_find_rsdp (
                                          ACPI_PHYSADDR_TO_PTR (physical_address),
                                          ACPI_EBDA_WINDOW_SIZE);
                        if (mem_rover) {
-                                /* Found it, return the physical address */
+                                /* Return the physical address */
                                table_info->physical_address = ACPI_TO_INTEGER (mem_rover);
                                return_ACPI_STATUS (AE_OK);
@@ -630,8 +651,9 @@ acpi_tb_find_rsdp (
                }
        }
-        /* RSDP signature was not found */
+        /* A valid RSDP was not found */
+        ACPI_REPORT_ERROR (("No valid RSDP was found\n"));
        return_ACPI_STATUS (AE_NOT_FOUND);
 }
diff --git a/drivers/acpi/utilities/Makefile b/drivers/acpi/utilities/Makefile
index 939c447dd52a..e87108b7338a 100644
--- a/drivers/acpi/utilities/Makefile
+++ b/drivers/acpi/utilities/Makefile
@@ -3,6 +3,6 @@
 #
 obj-y := utalloc.o  utdebug.o   uteval.o    utinit.o  utmisc.o    utxface.o \
-         utcopy.o   utdelete.o  utglobal.o  utmath.o  utobject.o
+         utcopy.o   utdelete.o  utglobal.o  utmath.o  utobject.o utstate.o utmutex.o utobject.o utcache.o
 EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index c4e7f989a2bd..78270f50e625 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -1,6 +1,6 @@
 /******************************************************************************
 *
- * Module Name: utalloc - local cache and memory allocation routines
+ * Module Name: utalloc - local memory allocation routines
 *
 *****************************************************************************/
@@ -52,12 +52,10 @@
 #ifdef  ACPI_DBG_TRACK_ALLOCATIONS
 static struct acpi_debug_mem_block *
 acpi_ut_find_allocation (
-        u32                             list_id,
        void                            *allocation);
 static acpi_status
 acpi_ut_track_allocation (
-        u32                             list_id,
        struct acpi_debug_mem_block     *address,
        acpi_size                       size,
        u8                              alloc_type,
@@ -67,206 +65,118 @@ acpi_ut_track_allocation (
 static acpi_status
 acpi_ut_remove_allocation (
-        u32                             list_id,
        struct acpi_debug_mem_block     *address,
        u32                             component,
        char                            *module,
        u32                             line);
 #endif  /* ACPI_DBG_TRACK_ALLOCATIONS */
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
-/*******************************************************************************
+static acpi_status
- *
+acpi_ut_create_list (
- * FUNCTION:    acpi_ut_release_to_cache
+        char                            *list_name,
- *
+        u16                             object_size,
- * PARAMETERS:  list_id             - Memory list/cache ID
+        struct acpi_memory_list         **return_cache);
- *              Object              - The object to be released
- *
- * RETURN:      None
- *
- * DESCRIPTION: Release an object to the specified cache.  If cache is full,
- *              the object is deleted.
- *
- ******************************************************************************/
-void
-acpi_ut_release_to_cache (
-        u32                             list_id,
-        void                            *object)
-{
-        struct acpi_memory_list         *cache_info;
-        ACPI_FUNCTION_ENTRY ();
-        cache_info = &acpi_gbl_memory_lists[list_id];
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-        /* If walk cache is full, just free this wallkstate object */
-        if (cache_info->cache_depth >= cache_info->max_cache_depth) {
-                ACPI_MEM_FREE (object);
-                ACPI_MEM_TRACKING (cache_info->total_freed++);
-        }
-        /* Otherwise put this object back into the cache */
-        else {
-                if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) {
-                        return;
-                }
-                /* Mark the object as cached */
-                ACPI_MEMSET (object, 0xCA, cache_info->object_size);
-                ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_CACHED);
-                /* Put the object at the head of the cache list */
-                * (ACPI_CAST_INDIRECT_PTR (char,
-                        &(((char *) object)[cache_info->link_offset]))) = cache_info->list_head;
-                cache_info->list_head = object;
-                cache_info->cache_depth++;
-                (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
-        }
-#else
-        /* Object cache is disabled; just free the object */
-        ACPI_MEM_FREE (object);
-        ACPI_MEM_TRACKING (cache_info->total_freed++);
 #endif
-}
 /*******************************************************************************
 *
- * FUNCTION:    acpi_ut_acquire_from_cache
+ * FUNCTION:    acpi_ut_create_caches
 *
- * PARAMETERS:  list_id             - Memory list ID
+ * PARAMETERS:  None
 *
- * RETURN:      A requested object.  NULL if the object could not be
+ * RETURN:      Status
- *              allocated.
 *
- * DESCRIPTION: Get an object from the specified cache.  If cache is empty,
+ * DESCRIPTION: Create all local caches
- *              the object is allocated.
 *
 ******************************************************************************/
-void *
+acpi_status
-acpi_ut_acquire_from_cache (
+acpi_ut_create_caches (
-        u32                             list_id)
+        void)
 {
-        struct acpi_memory_list         *cache_info;
+        acpi_status                     status;
-        void                            *object;
-        ACPI_FUNCTION_NAME ("ut_acquire_from_cache");
-        cache_info = &acpi_gbl_memory_lists[list_id];
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
-#ifdef ACPI_ENABLE_OBJECT_CACHE
+        /* Memory allocation lists */
-        if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) {
+        status = acpi_ut_create_list ("Acpi-Global", 0,
-                return (NULL);
+                         &acpi_gbl_global_list);
+        if (ACPI_FAILURE (status)) {
+                return (status);
        }
-        ACPI_MEM_TRACKING (cache_info->cache_requests++);
+        status = acpi_ut_create_list ("Acpi-Namespace", sizeof (struct acpi_namespace_node),
+                         &acpi_gbl_ns_node_list);
-        /* Check the cache first */
+        if (ACPI_FAILURE (status)) {
+                return (status);
-        if (cache_info->list_head) {
+        }
-                /* There is an object available, use it */
-                object = cache_info->list_head;
-                cache_info->list_head = *(ACPI_CAST_INDIRECT_PTR (char,
-                                 &(((char *) object)[cache_info->link_offset])));
-                ACPI_MEM_TRACKING (cache_info->cache_hits++);
-                cache_info->cache_depth--;
-#ifdef ACPI_DBG_TRACK_ALLOCATIONS
-                ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p from %s\n",
-                        object, acpi_gbl_memory_lists[list_id].list_name));
 #endif
-                if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) {
+        /* Object Caches, for frequently used objects */
-                        return (NULL);
-                }
-                /* Clear (zero) the previously used Object */
-                ACPI_MEMSET (object, 0, cache_info->object_size);
+        status = acpi_os_create_cache ("acpi_state", sizeof (union acpi_generic_state),
+                         ACPI_MAX_STATE_CACHE_DEPTH, &acpi_gbl_state_cache);
+        if (ACPI_FAILURE (status)) {
+                return (status);
        }
-        else {
+        status = acpi_os_create_cache ("acpi_parse", sizeof (struct acpi_parse_obj_common),
-                /* The cache is empty, create a new object */
+                         ACPI_MAX_PARSE_CACHE_DEPTH, &acpi_gbl_ps_node_cache);
+        if (ACPI_FAILURE (status)) {
-                /* Avoid deadlock with ACPI_MEM_CALLOCATE */
+                return (status);
-                if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) {
-                        return (NULL);
-                }
-                object = ACPI_MEM_CALLOCATE (cache_info->object_size);
-                ACPI_MEM_TRACKING (cache_info->total_allocated++);
        }
-#else
+        status = acpi_os_create_cache ("acpi_parse_ext", sizeof (struct acpi_parse_obj_named),
+                         ACPI_MAX_EXTPARSE_CACHE_DEPTH, &acpi_gbl_ps_node_ext_cache);
-        /* Object cache is disabled; just allocate the object */
+        if (ACPI_FAILURE (status)) {
+                return (status);
+        }
-        object = ACPI_MEM_CALLOCATE (cache_info->object_size);
+        status = acpi_os_create_cache ("acpi_operand", sizeof (union acpi_operand_object),
-        ACPI_MEM_TRACKING (cache_info->total_allocated++);
+                         ACPI_MAX_OBJECT_CACHE_DEPTH, &acpi_gbl_operand_cache);
-#endif
+        if (ACPI_FAILURE (status)) {
+                return (status);
+        }
-        return (object);
+        return (AE_OK);
 }
-#ifdef ACPI_ENABLE_OBJECT_CACHE
 /*******************************************************************************
 *
- * FUNCTION:    acpi_ut_delete_generic_cache
+ * FUNCTION:    acpi_ut_delete_caches
 *
- * PARAMETERS:  list_id         - Memory list ID
+ * PARAMETERS:  None
 *
- * RETURN:      None
+ * RETURN:      Status
 *
- * DESCRIPTION: Free all objects within the requested cache.
+ * DESCRIPTION: Purge and delete all local caches
 *
 ******************************************************************************/
-void
+acpi_status
-acpi_ut_delete_generic_cache (
+acpi_ut_delete_caches (
-        u32                             list_id)
+        void)
 {
-        struct acpi_memory_list         *cache_info;
-        char                            *next;
+        (void) acpi_os_delete_cache (acpi_gbl_state_cache);
+        acpi_gbl_state_cache = NULL;
-        ACPI_FUNCTION_ENTRY ();
+        (void) acpi_os_delete_cache (acpi_gbl_operand_cache);
+        acpi_gbl_operand_cache = NULL;
-        cache_info = &acpi_gbl_memory_lists[list_id];
+        (void) acpi_os_delete_cache (acpi_gbl_ps_node_cache);
-        while (cache_info->list_head) {
+        acpi_gbl_ps_node_cache = NULL;
-                /* Delete one cached state object */
-                next = *(ACPI_CAST_INDIRECT_PTR (char,
+        (void) acpi_os_delete_cache (acpi_gbl_ps_node_ext_cache);
-                                 &(((char *) cache_info->list_head)[cache_info->link_offset])));
+        acpi_gbl_ps_node_ext_cache = NULL;
-                ACPI_MEM_FREE (cache_info->list_head);
-                cache_info->list_head = next;
+        return (AE_OK);
-                cache_info->cache_depth--;
-        }
 }
-#endif
 /*******************************************************************************
 *
@@ -500,6 +410,43 @@ acpi_ut_callocate (
 * occurs in the body of acpi_ut_free.
 */
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_list
+ *
+ * PARAMETERS:  cache_name      - Ascii name for the cache
+ *              object_size     - Size of each cached object
+ *              return_cache    - Where the new cache object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a local memory list for tracking purposed
+ *
+ ******************************************************************************/
+static acpi_status
+acpi_ut_create_list (
+        char                            *list_name,
+        u16                             object_size,
+        struct acpi_memory_list         **return_cache)
+{
+        struct acpi_memory_list         *cache;
+        cache = acpi_os_allocate (sizeof (struct acpi_memory_list));
+        if (!cache) {
+                return (AE_NO_MEMORY);
+        }
+        ACPI_MEMSET (cache, 0, sizeof (struct acpi_memory_list));
+        cache->list_name  = list_name;
+        cache->object_size = object_size;
+        *return_cache = cache;
+        return (AE_OK);
+}
 /*******************************************************************************
 *
@@ -533,15 +480,15 @@ acpi_ut_allocate_and_track (
                return (NULL);
        }
-        status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size,
+        status = acpi_ut_track_allocation (allocation, size,
                          ACPI_MEM_MALLOC, component, module, line);
        if (ACPI_FAILURE (status)) {
                acpi_os_free (allocation);
                return (NULL);
        }
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++;
+        acpi_gbl_global_list->total_allocated++;
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size;
+        acpi_gbl_global_list->current_total_size += (u32) size;
        return ((void *) &allocation->user_space);
 }
@@ -583,15 +530,15 @@ acpi_ut_callocate_and_track (
                return (NULL);
        }
-        status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size,
+        status = acpi_ut_track_allocation (allocation, size,
                           ACPI_MEM_CALLOC, component, module, line);
        if (ACPI_FAILURE (status)) {
                acpi_os_free (allocation);
                return (NULL);
        }
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++;
+        acpi_gbl_global_list->total_allocated++;
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size;
+        acpi_gbl_global_list->current_total_size += (u32) size;
        return ((void *) &allocation->user_space);
 }
@@ -636,10 +583,10 @@ acpi_ut_free_and_track (
        debug_block = ACPI_CAST_PTR (struct acpi_debug_mem_block,
                          (((char *) allocation) - sizeof (struct acpi_debug_mem_header)));
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_freed++;
+        acpi_gbl_global_list->total_freed++;
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size -= debug_block->size;
+        acpi_gbl_global_list->current_total_size -= debug_block->size;
-        status = acpi_ut_remove_allocation (ACPI_MEM_LIST_GLOBAL, debug_block,
+        status = acpi_ut_remove_allocation (debug_block,
                          component, module, line);
        if (ACPI_FAILURE (status)) {
                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not free memory, %s\n",
@@ -658,8 +605,7 @@ acpi_ut_free_and_track (
 *
 * FUNCTION:    acpi_ut_find_allocation
 *
- * PARAMETERS:  list_id                 - Memory list to search
+ * PARAMETERS:  Allocation              - Address of allocated memory
- *              Allocation              - Address of allocated memory
 *
 * RETURN:      A list element if found; NULL otherwise.
 *
@@ -669,7 +615,6 @@ acpi_ut_free_and_track (
 static struct acpi_debug_mem_block *
 acpi_ut_find_allocation (
-        u32                             list_id,
        void                            *allocation)
 {
        struct acpi_debug_mem_block     *element;
@@ -678,11 +623,7 @@ acpi_ut_find_allocation (
        ACPI_FUNCTION_ENTRY ();
-        if (list_id > ACPI_MEM_LIST_MAX) {
+        element = acpi_gbl_global_list->list_head;
-                return (NULL);
-        }
-        element = acpi_gbl_memory_lists[list_id].list_head;
        /* Search for the address. */
@@ -702,8 +643,7 @@ acpi_ut_find_allocation (
 *
 * FUNCTION:    acpi_ut_track_allocation
 *
- * PARAMETERS:  list_id             - Memory list to search
+ * PARAMETERS:  Allocation          - Address of allocated memory
- *              Allocation          - Address of allocated memory
 *              Size                - Size of the allocation
 *              alloc_type          - MEM_MALLOC or MEM_CALLOC
 *              Component           - Component type of caller
@@ -718,7 +658,6 @@ acpi_ut_find_allocation (
 static acpi_status
 acpi_ut_track_allocation (
-        u32                             list_id,
        struct acpi_debug_mem_block     *allocation,
        acpi_size                       size,
        u8                              alloc_type,
@@ -734,11 +673,7 @@ acpi_ut_track_allocation (
        ACPI_FUNCTION_TRACE_PTR ("ut_track_allocation", allocation);
-        if (list_id > ACPI_MEM_LIST_MAX) {
+        mem_list = acpi_gbl_global_list;
-                return_ACPI_STATUS (AE_BAD_PARAMETER);
-        }
-        mem_list = &acpi_gbl_memory_lists[list_id];
        status = acpi_ut_acquire_mutex (ACPI_MTX_MEMORY);
        if (ACPI_FAILURE (status)) {
                return_ACPI_STATUS (status);
@@ -748,8 +683,7 @@ acpi_ut_track_allocation (
         * Search list for this address to make sure it is not already on the list.
         * This will catch several kinds of problems.
         */
+        element = acpi_ut_find_allocation (allocation);
-        element = acpi_ut_find_allocation (list_id, allocation);
        if (element) {
                ACPI_REPORT_ERROR ((
                        "ut_track_allocation: Allocation already present in list! (%p)\n",
@@ -793,8 +727,7 @@ unlock_and_exit:
 *
 * FUNCTION:    acpi_ut_remove_allocation
 *
- * PARAMETERS:  list_id             - Memory list to search
+ * PARAMETERS:  Allocation          - Address of allocated memory
- *              Allocation          - Address of allocated memory
 *              Component           - Component type of caller
 *              Module              - Source file name of caller
 *              Line                - Line number of caller
@@ -807,7 +740,6 @@ unlock_and_exit:
 static acpi_status
 acpi_ut_remove_allocation (
-        u32                             list_id,
        struct acpi_debug_mem_block     *allocation,
        u32                             component,
        char                            *module,
@@ -820,11 +752,7 @@ acpi_ut_remove_allocation (
        ACPI_FUNCTION_TRACE ("ut_remove_allocation");
-        if (list_id > ACPI_MEM_LIST_MAX) {
+        mem_list = acpi_gbl_global_list;
-                return_ACPI_STATUS (AE_BAD_PARAMETER);
-        }
-        mem_list = &acpi_gbl_memory_lists[list_id];
        if (NULL == mem_list->list_head) {
                /* No allocations! */
@@ -959,7 +887,7 @@ acpi_ut_dump_allocations (
                return;
        }
-        element = acpi_gbl_memory_lists[0].list_head;
+        element = acpi_gbl_global_list->list_head;
        while (element) {
                if ((element->component & component) &&
                        ((module == NULL) || (0 == ACPI_STRCMP (module, element->module)))) {
diff --git a/drivers/acpi/utilities/utcache.c b/drivers/acpi/utilities/utcache.c
new file mode 100644
index 000000000000..c0df0585c683
--- /dev/null
+++ b/drivers/acpi/utilities/utcache.c
@@ -0,0 +1,328 @@
+/******************************************************************************
+ *
+ * Module Name: utcache - local cache allocation routines
+ *
+ *****************************************************************************/
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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>
+#define _COMPONENT          ACPI_UTILITIES
+         ACPI_MODULE_NAME    ("utcache")
+#ifdef ACPI_USE_LOCAL_CACHE
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_create_cache
+ *
+ * PARAMETERS:  cache_name      - Ascii name for the cache
+ *              object_size     - Size of each cached object
+ *              max_depth       - Maximum depth of the cache (in objects)
+ *              return_cache    - Where the new cache object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a cache object
+ *
+ ******************************************************************************/
+acpi_status
+acpi_os_create_cache (
+        char                            *cache_name,
+        u16                             object_size,
+        u16                             max_depth,
+        struct acpi_memory_list         **return_cache)
+{
+        struct acpi_memory_list         *cache;
+        ACPI_FUNCTION_ENTRY ();
+        if (!cache_name || !return_cache || (object_size < 16)) {
+                return (AE_BAD_PARAMETER);
+        }
+        /* Create the cache object */
+        cache = acpi_os_allocate (sizeof (struct acpi_memory_list));
+        if (!cache) {
+                return (AE_NO_MEMORY);
+        }
+        /* Populate the cache object and return it */
+        ACPI_MEMSET (cache, 0, sizeof (struct acpi_memory_list));
+        cache->link_offset = 8;
+        cache->list_name  = cache_name;
+        cache->object_size = object_size;
+        cache->max_depth  = max_depth;
+        *return_cache = cache;
+        return (AE_OK);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_purge_cache
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_os_purge_cache (
+        struct acpi_memory_list         *cache)
+{
+        char                            *next;
+        ACPI_FUNCTION_ENTRY ();
+        if (!cache) {
+                return (AE_BAD_PARAMETER);
+        }
+        /* Walk the list of objects in this cache */
+        while (cache->list_head) {
+                /* Delete and unlink one cached state object */
+                next = *(ACPI_CAST_INDIRECT_PTR (char,
+                                 &(((char *) cache->list_head)[cache->link_offset])));
+                ACPI_MEM_FREE (cache->list_head);
+                cache->list_head = next;
+                cache->current_depth--;
+        }
+        return (AE_OK);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_delete_cache
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache and delete the
+ *              cache object.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_os_delete_cache (
+        struct acpi_memory_list         *cache)
+{
+        acpi_status                     status;
+        ACPI_FUNCTION_ENTRY ();
+   /* Purge all objects in the cache */
+        status = acpi_os_purge_cache (cache);
+        if (ACPI_FAILURE (status)) {
+                return (status);
+        }
+        /* Now we can delete the cache object */
+        acpi_os_free (cache);
+        return (AE_OK);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_release_object
+ *
+ * PARAMETERS:  Cache       - Handle to cache object
+ *              Object      - The object to be released
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Release an object to the specified cache.  If cache is full,
+ *              the object is deleted.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_os_release_object (
+        struct acpi_memory_list         *cache,
+        void                            *object)
+{
+        acpi_status                     status;
+        ACPI_FUNCTION_ENTRY ();
+        if (!cache || !object) {
+                return (AE_BAD_PARAMETER);
+        }
+        /* If cache is full, just free this object */
+        if (cache->current_depth >= cache->max_depth) {
+                ACPI_MEM_FREE (object);
+                ACPI_MEM_TRACKING (cache->total_freed++);
+        }
+        /* Otherwise put this object back into the cache */
+        else {
+                status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
+                if (ACPI_FAILURE (status)) {
+                        return (status);
+                }
+                /* Mark the object as cached */
+                ACPI_MEMSET (object, 0xCA, cache->object_size);
+                ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_CACHED);
+                /* Put the object at the head of the cache list */
+                * (ACPI_CAST_INDIRECT_PTR (char,
+                        &(((char *) object)[cache->link_offset]))) = cache->list_head;
+                cache->list_head = object;
+                cache->current_depth++;
+                (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
+        }
+        return (AE_OK);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_acquire_object
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *
+ * RETURN:      the acquired object.  NULL on error
+ *
+ * DESCRIPTION: Get an object from the specified cache.  If cache is empty,
+ *              the object is allocated.
+ *
+ ******************************************************************************/
+void *
+acpi_os_acquire_object (
+        struct acpi_memory_list         *cache)
+{
+        acpi_status                     status;
+        void                            *object;
+        ACPI_FUNCTION_NAME ("os_acquire_object");
+        if (!cache) {
+                return (NULL);
+        }
+        status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
+        if (ACPI_FAILURE (status)) {
+                return (NULL);
+        }
+        ACPI_MEM_TRACKING (cache->requests++);
+        /* Check the cache first */
+        if (cache->list_head) {
+                /* There is an object available, use it */
+                object = cache->list_head;
+                cache->list_head = *(ACPI_CAST_INDIRECT_PTR (char,
+                                 &(((char *) object)[cache->link_offset])));
+                cache->current_depth--;
+                ACPI_MEM_TRACKING (cache->hits++);
+                ACPI_MEM_TRACKING (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+                        "Object %p from %s cache\n", object, cache->list_name)));
+                status = acpi_ut_release_mutex (ACPI_MTX_CACHES);
+                if (ACPI_FAILURE (status)) {
+                        return (NULL);
+                }
+                /* Clear (zero) the previously used Object */
+                ACPI_MEMSET (object, 0, cache->object_size);
+        }
+        else {
+                /* The cache is empty, create a new object */
+                ACPI_MEM_TRACKING (cache->total_allocated++);
+                /* Avoid deadlock with ACPI_MEM_CALLOCATE */
+                status = acpi_ut_release_mutex (ACPI_MTX_CACHES);
+                if (ACPI_FAILURE (status)) {
+                        return (NULL);
+                }
+                object = ACPI_MEM_CALLOCATE (cache->object_size);
+                if (!object) {
+                        return (NULL);
+                }
+        }
+        return (object);
+}
+#endif /* ACPI_USE_LOCAL_CACHE */
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index 11e884957162..31c30a32e5c9 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -694,58 +694,50 @@ acpi_ut_copy_simple_object (
        dest_desc->common.reference_count = reference_count;
        dest_desc->common.next_object = next_object;
+        /* New object is not static, regardless of source */
+        dest_desc->common.flags &= ~AOPOBJ_STATIC_POINTER;
        /* Handle the objects with extra data */
        switch (ACPI_GET_OBJECT_TYPE (dest_desc)) {
        case ACPI_TYPE_BUFFER:
-                dest_desc->buffer.node = NULL;
-                dest_desc->common.flags = source_desc->common.flags;
                /*
                 * Allocate and copy the actual buffer if and only if:
                 * 1) There is a valid buffer pointer
-                 * 2) The buffer is not static (not in an ACPI table) (in this case,
+                 * 2) The buffer has a length > 0
-                 *    the actual pointer was already copied above)
                 */
                if ((source_desc->buffer.pointer) &&
-                        (!(source_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
+                        (source_desc->buffer.length)) {
-                        dest_desc->buffer.pointer = NULL;
+                        dest_desc->buffer.pointer =
+                                ACPI_MEM_ALLOCATE (source_desc->buffer.length);
-                        /* Create an actual buffer only if length > 0 */
+                        if (!dest_desc->buffer.pointer) {
+                                return (AE_NO_MEMORY);
-                        if (source_desc->buffer.length) {
+                        }
-                                dest_desc->buffer.pointer =
-                                        ACPI_MEM_ALLOCATE (source_desc->buffer.length);
-                                if (!dest_desc->buffer.pointer) {
-                                        return (AE_NO_MEMORY);
-                                }
-                                /* Copy the actual buffer data */
+                        /* Copy the actual buffer data */
-                                ACPI_MEMCPY (dest_desc->buffer.pointer,
+                        ACPI_MEMCPY (dest_desc->buffer.pointer,
-                                                source_desc->buffer.pointer,
+                                        source_desc->buffer.pointer,
-                                                source_desc->buffer.length);
+                                        source_desc->buffer.length);
-                        }
                }
                break;
        case ACPI_TYPE_STRING:
                /*
                 * Allocate and copy the actual string if and only if:
                 * 1) There is a valid string pointer
-                 * 2) The string is not static (not in an ACPI table) (in this case,
+                 * (Pointer to a NULL string is allowed)
-                 *    the actual pointer was already copied above)
                 */
-                if ((source_desc->string.pointer) &&
+                if (source_desc->string.pointer) {
-                        (!(source_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
                        dest_desc->string.pointer =
                                ACPI_MEM_ALLOCATE ((acpi_size) source_desc->string.length + 1);
                        if (!dest_desc->string.pointer) {
                                return (AE_NO_MEMORY);
                        }
+                        /* Copy the actual string data */
                        ACPI_MEMCPY (dest_desc->string.pointer, source_desc->string.pointer,
                                          (acpi_size) source_desc->string.length + 1);
                }
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index 794c7df3f2ad..c27cbb7f5c54 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -55,6 +55,12 @@ static u32   acpi_gbl_prev_thread_id = 0xFFFFFFFF;
 static char     *acpi_gbl_fn_entry_str = "----Entry";
 static char     *acpi_gbl_fn_exit_str = "----Exit-";
+/* Local prototypes */
+static const char *
+acpi_ut_trim_function_name (
+        const char                      *function_name);
 /*******************************************************************************
 *
@@ -72,7 +78,7 @@ void
 acpi_ut_init_stack_ptr_trace (
        void)
 {
-        u32                         current_sp;
+        u32                             current_sp;
        acpi_gbl_entry_stack_pointer = ACPI_PTR_DIFF (&current_sp, NULL);
@@ -95,7 +101,7 @@ void
 acpi_ut_track_stack_ptr (
        void)
 {
-        acpi_size                   current_sp;
+        acpi_size                       current_sp;
        current_sp = ACPI_PTR_DIFF (&current_sp, NULL);
@@ -112,14 +118,50 @@ acpi_ut_track_stack_ptr (
 /*******************************************************************************
 *
+ * FUNCTION:    acpi_ut_trim_function_name
+ *
+ * PARAMETERS:  function_name       - Ascii string containing a procedure name
+ *
+ * RETURN:      Updated pointer to the function name
+ *
+ * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
+ *              This allows compiler macros such as __FUNCTION__ to be used
+ *              with no change to the debug output.
+ *
+ ******************************************************************************/
+static const char *
+acpi_ut_trim_function_name (
+        const char                      *function_name)
+{
+        /* All Function names are longer than 4 chars, check is safe */
+        if (*(ACPI_CAST_PTR (u32, function_name)) == ACPI_FUNCTION_PREFIX1) {
+                /* This is the case where the original source has not been modified */
+                return (function_name + 4);
+        }
+        if (*(ACPI_CAST_PTR (u32, function_name)) == ACPI_FUNCTION_PREFIX2) {
+                /* This is the case where the source has been 'linuxized' */
+                return (function_name + 5);
+        }
+        return (function_name);
+}
+/*******************************************************************************
+ *
 * FUNCTION:    acpi_ut_debug_print
 *
 * PARAMETERS:  requested_debug_level - Requested debug print level
 *              line_number         - Caller's line number (for error output)
- *              dbg_info            - Contains:
+ *              function_name       - Caller's procedure name
- *                  proc_name           - Caller's procedure name
+ *              module_name         - Caller's module name
- *                  module_name         - Caller's module name
+ *              component_id        - Caller's component ID
- *                  component_id        - Caller's component ID
 *              Format              - Printf format field
 *              ...                 - Optional printf arguments
 *
@@ -134,7 +176,9 @@ void  ACPI_INTERNAL_VAR_XFACE
 acpi_ut_debug_print (
        u32                             requested_debug_level,
        u32                             line_number,
-        struct acpi_debug_print_info    *dbg_info,
+        const char                      *function_name,
+        char                            *module_name,
+        u32                             component_id,
        char                            *format,
        ...)
 {
@@ -146,7 +190,7 @@ acpi_ut_debug_print (
         * Stay silent if the debug level or component ID is disabled
         */
        if (!(requested_debug_level & acpi_dbg_level) ||
-                !(dbg_info->component_id & acpi_dbg_layer)) {
+                !(component_id & acpi_dbg_layer)) {
                return;
        }
@@ -169,14 +213,14 @@ acpi_ut_debug_print (
         * Display the module name, current line number, thread ID (if requested),
         * current procedure nesting level, and the current procedure name
         */
-        acpi_os_printf ("%8s-%04ld ", dbg_info->module_name, line_number);
+        acpi_os_printf ("%8s-%04ld ", module_name, line_number);
        if (ACPI_LV_THREADS & acpi_dbg_level) {
                acpi_os_printf ("[%04lX] ", thread_id);
        }
        acpi_os_printf ("[%02ld] %-22.22s: ",
-                acpi_gbl_nesting_level, dbg_info->proc_name);
+                acpi_gbl_nesting_level, acpi_ut_trim_function_name (function_name));
        va_start (args, format);
        acpi_os_vprintf (format, args);
@@ -190,10 +234,9 @@ EXPORT_SYMBOL(acpi_ut_debug_print);
 *
 * PARAMETERS:  requested_debug_level - Requested debug print level
 *              line_number         - Caller's line number
- *              dbg_info            - Contains:
+ *              function_name       - Caller's procedure name
- *                  proc_name           - Caller's procedure name
+ *              module_name         - Caller's module name
- *                  module_name         - Caller's module name
+ *              component_id        - Caller's component ID
- *                  component_id        - Caller's component ID
 *              Format              - Printf format field
 *              ...                 - Optional printf arguments
 *
@@ -208,7 +251,9 @@ void  ACPI_INTERNAL_VAR_XFACE
 acpi_ut_debug_print_raw (
        u32                             requested_debug_level,
        u32                             line_number,
-        struct acpi_debug_print_info    *dbg_info,
+        const char                      *function_name,
+        char                            *module_name,
+        u32                             component_id,
        char                            *format,
        ...)
 {
@@ -216,7 +261,7 @@ acpi_ut_debug_print_raw (
        if (!(requested_debug_level & acpi_dbg_level) ||
-                !(dbg_info->component_id & acpi_dbg_layer)) {
+                !(component_id & acpi_dbg_layer)) {
                return;
        }
@@ -231,10 +276,9 @@ EXPORT_SYMBOL(acpi_ut_debug_print_raw);
 * FUNCTION:    acpi_ut_trace
 *
 * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
+ *              function_name       - Caller's procedure name
- *                  proc_name           - Caller's procedure name
+ *              module_name         - Caller's module name
- *                  module_name         - Caller's module name
+ *              component_id        - Caller's component ID
- *                  component_id        - Caller's component ID
 *
 * RETURN:      None
 *
@@ -246,14 +290,17 @@ EXPORT_SYMBOL(acpi_ut_debug_print_raw);
 void
 acpi_ut_trace (
        u32                             line_number,
-        struct acpi_debug_print_info    *dbg_info)
+        const char                      *function_name,
+        char                            *module_name,
+        u32                             component_id)
 {
        acpi_gbl_nesting_level++;
        acpi_ut_track_stack_ptr ();
-        acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
+        acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-                        "%s\n", acpi_gbl_fn_entry_str);
+                line_number, function_name, module_name, component_id,
+                "%s\n", acpi_gbl_fn_entry_str);
 }
 EXPORT_SYMBOL(acpi_ut_trace);
@@ -263,10 +310,9 @@ EXPORT_SYMBOL(acpi_ut_trace);
 * FUNCTION:    acpi_ut_trace_ptr
 *
 * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
+ *              function_name       - Caller's procedure name
- *                  proc_name           - Caller's procedure name
+ *              module_name         - Caller's module name
- *                  module_name         - Caller's module name
+ *              component_id        - Caller's component ID
- *                  component_id        - Caller's component ID
 *              Pointer             - Pointer to display
 *
 * RETURN:      None
@@ -279,14 +325,17 @@ EXPORT_SYMBOL(acpi_ut_trace);
 void
 acpi_ut_trace_ptr (
        u32                             line_number,
-        struct acpi_debug_print_info    *dbg_info,
+        const char                      *function_name,
+        char                            *module_name,
+        u32                             component_id,
        void                            *pointer)
 {
        acpi_gbl_nesting_level++;
        acpi_ut_track_stack_ptr ();
-        acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
+        acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-                        "%s %p\n", acpi_gbl_fn_entry_str, pointer);
+                line_number, function_name, module_name, component_id,
+                "%s %p\n", acpi_gbl_fn_entry_str, pointer);
 }
@@ -295,10 +344,9 @@ acpi_ut_trace_ptr (
 * FUNCTION:    acpi_ut_trace_str
 *
 * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
+ *              function_name       - Caller's procedure name
- *                  proc_name           - Caller's procedure name
+ *              module_name         - Caller's module name
- *                  module_name         - Caller's module name
+ *              component_id        - Caller's component ID
- *                  component_id        - Caller's component ID
 *              String              - Additional string to display
 *
 * RETURN:      None
@@ -311,15 +359,18 @@ acpi_ut_trace_ptr (
 void
 acpi_ut_trace_str (
        u32                             line_number,
-        struct acpi_debug_print_info    *dbg_info,
+        const char                      *function_name,
+        char                            *module_name,
+        u32                             component_id,
        char                            *string)
 {
        acpi_gbl_nesting_level++;
        acpi_ut_track_stack_ptr ();
-        acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
+        acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-                        "%s %s\n", acpi_gbl_fn_entry_str, string);
+                line_number, function_name, module_name, component_id,
+                "%s %s\n", acpi_gbl_fn_entry_str, string);
 }
@@ -328,10 +379,9 @@ acpi_ut_trace_str (
 * FUNCTION:    acpi_ut_trace_u32
 *
 * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
+ *              function_name       - Caller's procedure name
- *                  proc_name           - Caller's procedure name
+ *              module_name         - Caller's module name
- *                  module_name         - Caller's module name
+ *              component_id        - Caller's component ID
- *                  component_id        - Caller's component ID
 *              Integer             - Integer to display
 *
 * RETURN:      None
@@ -344,15 +394,18 @@ acpi_ut_trace_str (
 void
 acpi_ut_trace_u32 (
        u32                             line_number,
-        struct acpi_debug_print_info    *dbg_info,
+        const char                      *function_name,
+        char                            *module_name,
+        u32                             component_id,
        u32                             integer)
 {
        acpi_gbl_nesting_level++;
        acpi_ut_track_stack_ptr ();
-        acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
+        acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-                        "%s %08X\n", acpi_gbl_fn_entry_str, integer);
+                line_number, function_name, module_name, component_id,
+                "%s %08X\n", acpi_gbl_fn_entry_str, integer);
 }
@@ -361,10 +414,9 @@ acpi_ut_trace_u32 (
 * FUNCTION:    acpi_ut_exit
 *
 * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
+ *              function_name       - Caller's procedure name
- *                  proc_name           - Caller's procedure name
+ *              module_name         - Caller's module name
- *                  module_name         - Caller's module name
+ *              component_id        - Caller's component ID
- *                  component_id        - Caller's component ID
 *
 * RETURN:      None
 *
@@ -376,11 +428,14 @@ acpi_ut_trace_u32 (
 void
 acpi_ut_exit (
        u32                             line_number,
-        struct acpi_debug_print_info    *dbg_info)
+        const char                      *function_name,
+        char                            *module_name,
+        u32                             component_id)
 {
-        acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
+        acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-                        "%s\n", acpi_gbl_fn_exit_str);
+                line_number, function_name, module_name, component_id,
+                "%s\n", acpi_gbl_fn_exit_str);
        acpi_gbl_nesting_level--;
 }
@@ -392,10 +447,9 @@ EXPORT_SYMBOL(acpi_ut_exit);
 * FUNCTION:    acpi_ut_status_exit
 *
 * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
+ *              function_name       - Caller's procedure name
- *                  proc_name           - Caller's procedure name
+ *              module_name         - Caller's module name
- *                  module_name         - Caller's module name
+ *              component_id        - Caller's component ID
- *                  component_id        - Caller's component ID
 *              Status              - Exit status code
 *
 * RETURN:      None
@@ -408,19 +462,23 @@ EXPORT_SYMBOL(acpi_ut_exit);
 void
 acpi_ut_status_exit (
        u32                             line_number,
-        struct acpi_debug_print_info    *dbg_info,
+        const char                      *function_name,
+        char                            *module_name,
+        u32                             component_id,
        acpi_status                     status)
 {
        if (ACPI_SUCCESS (status)) {
-                acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
+                acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-                                "%s %s\n", acpi_gbl_fn_exit_str,
+                        line_number, function_name, module_name, component_id,
-                                acpi_format_exception (status));
+                        "%s %s\n", acpi_gbl_fn_exit_str,
+                        acpi_format_exception (status));
        }
        else {
-                acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
+                acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-                                "%s ****Exception****: %s\n", acpi_gbl_fn_exit_str,
+                        line_number, function_name, module_name, component_id,
-                                acpi_format_exception (status));
+                        "%s ****Exception****: %s\n", acpi_gbl_fn_exit_str,
+                        acpi_format_exception (status));
        }
        acpi_gbl_nesting_level--;
@@ -433,10 +491,9 @@ EXPORT_SYMBOL(acpi_ut_status_exit);
 * FUNCTION:    acpi_ut_value_exit
 *
 * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
+ *              function_name       - Caller's procedure name
- *                  proc_name           - Caller's procedure name
+ *              module_name         - Caller's module name
- *                  module_name         - Caller's module name
+ *              component_id        - Caller's component ID
- *                  component_id        - Caller's component ID
 *              Value               - Value to be printed with exit msg
 *
 * RETURN:      None
@@ -449,13 +506,16 @@ EXPORT_SYMBOL(acpi_ut_status_exit);
 void
 acpi_ut_value_exit (
        u32                             line_number,
-        struct acpi_debug_print_info    *dbg_info,
+        const char                      *function_name,
+        char                            *module_name,
+        u32                             component_id,
        acpi_integer                    value)
 {
-        acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
+        acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-                        "%s %8.8X%8.8X\n", acpi_gbl_fn_exit_str,
+                line_number, function_name, module_name, component_id,
-                        ACPI_FORMAT_UINT64 (value));
+                "%s %8.8X%8.8X\n", acpi_gbl_fn_exit_str,
+                ACPI_FORMAT_UINT64 (value));
        acpi_gbl_nesting_level--;
 }
@@ -467,10 +527,9 @@ EXPORT_SYMBOL(acpi_ut_value_exit);
 * FUNCTION:    acpi_ut_ptr_exit
 *
 * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
+ *              function_name       - Caller's procedure name
- *                  proc_name           - Caller's procedure name
+ *              module_name         - Caller's module name
- *                  module_name         - Caller's module name
+ *              component_id        - Caller's component ID
- *                  component_id        - Caller's component ID
 *              Ptr                 - Pointer to display
 *
 * RETURN:      None
@@ -483,12 +542,15 @@ EXPORT_SYMBOL(acpi_ut_value_exit);
 void
 acpi_ut_ptr_exit (
        u32                             line_number,
-        struct acpi_debug_print_info    *dbg_info,
+        const char                      *function_name,
+        char                            *module_name,
+        u32                             component_id,
        u8                              *ptr)
 {
-        acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
+        acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
-                        "%s %p\n", acpi_gbl_fn_exit_str, ptr);
+                line_number, function_name, module_name, component_id,
+                "%s %p\n", acpi_gbl_fn_exit_str, ptr);
        acpi_gbl_nesting_level--;
 }
@@ -549,7 +611,7 @@ acpi_ut_dump_buffer (
                                /* Dump fill spaces */
                                acpi_os_printf ("%*s", ((display * 2) + 1), " ");
-                                j += display;
+                                j += (acpi_native_uint) display;
                                continue;
                        }
@@ -584,12 +646,12 @@ acpi_ut_dump_buffer (
                                break;
                        }
-                        j += display;
+                        j += (acpi_native_uint) display;
                }
                /*
-                 * Print the ASCII equivalent characters
+                 * Print the ASCII equivalent characters but watch out for the bad
-                 * But watch out for the bad unprintable ones...
+                 * unprintable ones (printable chars are 0x20 through 0x7E)
                 */
                acpi_os_printf (" ");
                for (j = 0; j < 16; j++) {
@@ -599,9 +661,7 @@ acpi_ut_dump_buffer (
                        }
                        buf_char = buffer[i + j];
-                        if ((buf_char > 0x1F && buf_char < 0x2E) ||
+                        if (ACPI_IS_PRINT (buf_char)) {
-                                (buf_char > 0x2F && buf_char < 0x61) ||
-                                (buf_char > 0x60 && buf_char < 0x7F)) {
                                acpi_os_printf ("%c", buf_char);
                        }
                        else {
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index bc5403022681..eeafb324c504 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -435,35 +435,24 @@ acpi_ut_update_object_reference (
        union acpi_operand_object       *object,
        u16                             action)
 {
-        acpi_status                     status;
+        acpi_status                     status = AE_OK;
-        u32                             i;
+        union acpi_generic_state        *state_list = NULL;
-        union acpi_generic_state         *state_list = NULL;
+        union acpi_operand_object       *next_object = NULL;
-        union acpi_generic_state         *state;
+        union acpi_generic_state        *state;
-        union acpi_operand_object        *tmp;
+        acpi_native_uint                i;
-        ACPI_FUNCTION_TRACE_PTR ("ut_update_object_reference", object);
-        /* Ignore a null object ptr */
+        ACPI_FUNCTION_TRACE_PTR ("ut_update_object_reference", object);
-        if (!object) {
-                return_ACPI_STATUS (AE_OK);
-        }
-        /* Make sure that this isn't a namespace handle */
-        if (ACPI_GET_DESCRIPTOR_TYPE (object) == ACPI_DESC_TYPE_NAMED) {
+        while (object) {
-                ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+                /* Make sure that this isn't a namespace handle */
-                        "Object %p is NS handle\n", object));
-                return_ACPI_STATUS (AE_OK);
-        }
-        state = acpi_ut_create_update_state (object, action);
+                if (ACPI_GET_DESCRIPTOR_TYPE (object) == ACPI_DESC_TYPE_NAMED) {
+                        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
-        while (state) {
+                                "Object %p is NS handle\n", object));
-                object = state->update.object;
+                        return_ACPI_STATUS (AE_OK);
-                action = state->update.value;
+                }
-                acpi_ut_delete_generic_state (state);
                /*
                 * All sub-objects must have their reference count incremented also.
@@ -472,24 +461,14 @@ acpi_ut_update_object_reference (
                switch (ACPI_GET_OBJECT_TYPE (object)) {
                case ACPI_TYPE_DEVICE:
-                        tmp = object->device.system_notify;
+                        acpi_ut_update_ref_count (object->device.system_notify, action);
-                        if (tmp && (tmp->common.reference_count <= 1) && action == REF_DECREMENT)
+                        acpi_ut_update_ref_count (object->device.device_notify, action);
-                                object->device.system_notify = NULL;
-                        acpi_ut_update_ref_count (tmp, action);
-                        tmp = object->device.device_notify;
-                        if (tmp && (tmp->common.reference_count <= 1) && action == REF_DECREMENT)
-                                object->device.device_notify = NULL;
-                        acpi_ut_update_ref_count (tmp, action);
                        break;
                case ACPI_TYPE_PACKAGE:
                        /*
-                         * We must update all the sub-objects of the package
+                         * We must update all the sub-objects of the package,
-                         * (Each of whom may have their own sub-objects, etc.
+                         * each of whom may have their own sub-objects.
                         */
                        for (i = 0; i < object->package.count; i++) {
                                /*
@@ -502,111 +481,52 @@ acpi_ut_update_object_reference (
                                if (ACPI_FAILURE (status)) {
                                        goto error_exit;
                                }
-                                tmp = object->package.elements[i];
-                                if (tmp && (tmp->common.reference_count <= 1)  && action == REF_DECREMENT)
-                                        object->package.elements[i] = NULL;
                        }
                        break;
                case ACPI_TYPE_BUFFER_FIELD:
-                        status = acpi_ut_create_update_state_and_push (
+                        next_object = object->buffer_field.buffer_obj;
-                                         object->buffer_field.buffer_obj, action, &state_list);
-                        if (ACPI_FAILURE (status)) {
-                                goto error_exit;
-                        }
-                        tmp = object->buffer_field.buffer_obj;
-                        if ( tmp && (tmp->common.reference_count <= 1)  && action == REF_DECREMENT)
-                                object->buffer_field.buffer_obj = NULL;
                        break;
                case ACPI_TYPE_LOCAL_REGION_FIELD:
-                        status = acpi_ut_create_update_state_and_push (
+                        next_object = object->field.region_obj;
-                                         object->field.region_obj, action, &state_list);
+                        break;
-                        if (ACPI_FAILURE (status)) {
-                                goto error_exit;
-                        }
-                        tmp = object->field.region_obj;
-                        if ( tmp && (tmp->common.reference_count <= 1)  && action == REF_DECREMENT)
-                                object->field.region_obj = NULL;
-                   break;
                case ACPI_TYPE_LOCAL_BANK_FIELD:
-                        status = acpi_ut_create_update_state_and_push (
+                        next_object = object->bank_field.bank_obj;
-                                         object->bank_field.bank_obj, action, &state_list);
-                        if (ACPI_FAILURE (status)) {
-                                goto error_exit;
-                        }
-                        tmp = object->bank_field.bank_obj;
-                        if ( tmp && (tmp->common.reference_count <= 1)  && action == REF_DECREMENT)
-                                object->bank_field.bank_obj = NULL;
                        status = acpi_ut_create_update_state_and_push (
                                         object->bank_field.region_obj, action, &state_list);
                        if (ACPI_FAILURE (status)) {
                                goto error_exit;
                        }
-                        tmp = object->bank_field.region_obj;
-                        if ( tmp && (tmp->common.reference_count <= 1)  && action == REF_DECREMENT)
-                                object->bank_field.region_obj = NULL;
                        break;
                case ACPI_TYPE_LOCAL_INDEX_FIELD:
-                        status = acpi_ut_create_update_state_and_push (
+                        next_object = object->index_field.index_obj;
-                                         object->index_field.index_obj, action, &state_list);
-                        if (ACPI_FAILURE (status)) {
-                                goto error_exit;
-                        }
-                        tmp = object->index_field.index_obj;
-                        if ( tmp && (tmp->common.reference_count <= 1)  && action == REF_DECREMENT)
-                                object->index_field.index_obj = NULL;
                        status = acpi_ut_create_update_state_and_push (
                                         object->index_field.data_obj, action, &state_list);
                        if (ACPI_FAILURE (status)) {
                                goto error_exit;
                        }
-                        tmp = object->index_field.data_obj;
-                        if ( tmp && (tmp->common.reference_count <= 1)  && action == REF_DECREMENT)
-                                object->index_field.data_obj = NULL;
                        break;
                case ACPI_TYPE_LOCAL_REFERENCE:
                        /*
                         * The target of an Index (a package, string, or buffer) must track
                         * changes to the ref count of the index.
                         */
                        if (object->reference.opcode == AML_INDEX_OP) {
-                                status = acpi_ut_create_update_state_and_push (
+                                next_object = object->reference.object;
-                                                 object->reference.object, action, &state_list);
-                                if (ACPI_FAILURE (status)) {
-                                        goto error_exit;
-                                }
                        }
                        break;
                case ACPI_TYPE_REGION:
                default:
+                        break;/* No subobjects */
-                        /* No subobjects */
-                        break;
                }
                /*
@@ -615,15 +535,23 @@ acpi_ut_update_object_reference (
                 * main object to be deleted.
                 */
                acpi_ut_update_ref_count (object, action);
+                object = NULL;
                /* Move on to the next object to be updated */
-                state = acpi_ut_pop_generic_state (&state_list);
+                if (next_object) {
+                        object = next_object;
+                        next_object = NULL;
+                }
+                else if (state_list) {
+                        state = acpi_ut_pop_generic_state (&state_list);
+                        object = state->update.object;
+                        acpi_ut_delete_generic_state (state);
+                }
        }
        return_ACPI_STATUS (AE_OK);
 error_exit:
        ACPI_REPORT_ERROR (("Could not update object reference count, %s\n",
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 4146019b543f..0e4161c81076 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -738,73 +738,6 @@ acpi_ut_valid_object_type (
 /*******************************************************************************
 *
- * FUNCTION:    acpi_ut_allocate_owner_id
- *
- * PARAMETERS:  id_type         - Type of ID (method or table)
- *
- * DESCRIPTION: Allocate a table or method owner id
- *
- * NOTE: this algorithm has a wraparound problem at 64_k method invocations, and
- *       should be revisited (TBD)
- *
- ******************************************************************************/
-acpi_owner_id
-acpi_ut_allocate_owner_id (
-        u32                             id_type)
-{
-        acpi_owner_id                   owner_id = 0xFFFF;
-        ACPI_FUNCTION_TRACE ("ut_allocate_owner_id");
-        if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES)))
-        {
-                return (0);
-        }
-        switch (id_type)
-        {
-        case ACPI_OWNER_TYPE_TABLE:
-                owner_id = acpi_gbl_next_table_owner_id;
-                acpi_gbl_next_table_owner_id++;
-                /* Check for wraparound */
-                if (acpi_gbl_next_table_owner_id == ACPI_FIRST_METHOD_ID)
-                {
-                        acpi_gbl_next_table_owner_id = ACPI_FIRST_TABLE_ID;
-                        ACPI_REPORT_WARNING (("Table owner ID wraparound\n"));
-                }
-                break;
-        case ACPI_OWNER_TYPE_METHOD:
-                owner_id = acpi_gbl_next_method_owner_id;
-                acpi_gbl_next_method_owner_id++;
-                if (acpi_gbl_next_method_owner_id == ACPI_FIRST_TABLE_ID)
-                {
-                        /* Check for wraparound */
-                        acpi_gbl_next_method_owner_id = ACPI_FIRST_METHOD_ID;
-                }
-                break;
-        default:
-                break;
-        }
-        (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
-        return_VALUE (owner_id);
-}
-/*******************************************************************************
- *
 * FUNCTION:    acpi_ut_init_globals
 *
 * PARAMETERS:  None
@@ -820,42 +753,20 @@ void
 acpi_ut_init_globals (
        void)
 {
+        acpi_status                     status;
        u32                             i;
        ACPI_FUNCTION_TRACE ("ut_init_globals");
-        /* Memory allocation and cache lists */
+        /* Create all memory caches */
-        ACPI_MEMSET (acpi_gbl_memory_lists, 0, sizeof (struct acpi_memory_list) * ACPI_NUM_MEM_LISTS);
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].link_offset      = (u16) ACPI_PTR_DIFF (&(((union acpi_generic_state *) NULL)->common.next), NULL);
+        status = acpi_ut_create_caches ();
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].link_offset     = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL);
+        if (ACPI_FAILURE (status))
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL);
+        {
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].link_offset    = (u16) ACPI_PTR_DIFF (&(((union acpi_operand_object *) NULL)->cache.next), NULL);
+                return;
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].link_offset       = (u16) ACPI_PTR_DIFF (&(((struct acpi_walk_state *) NULL)->next), NULL);
+        }
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].object_size     = sizeof (struct acpi_namespace_node);
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].object_size      = sizeof (union acpi_generic_state);
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].object_size     = sizeof (struct acpi_parse_obj_common);
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].object_size = sizeof (struct acpi_parse_obj_named);
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].object_size    = sizeof (union acpi_operand_object);
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].object_size       = sizeof (struct acpi_walk_state);
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].max_cache_depth  = ACPI_MAX_STATE_CACHE_DEPTH;
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].max_cache_depth = ACPI_MAX_PARSE_CACHE_DEPTH;
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].max_cache_depth = ACPI_MAX_EXTPARSE_CACHE_DEPTH;
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].max_cache_depth = ACPI_MAX_OBJECT_CACHE_DEPTH;
-        acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].max_cache_depth   = ACPI_MAX_WALK_CACHE_DEPTH;
-        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].list_name    = "Global Memory Allocation");
-        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].list_name    = "Namespace Nodes");
-        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].list_name     = "State Object Cache");
-        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].list_name    = "Parse Node Cache");
-        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].list_name = "Extended Parse Node Cache");
-        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].list_name   = "Operand Object Cache");
-        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].list_name      = "Tree Walk Node Cache");
        /* ACPI table structure */
@@ -870,7 +781,7 @@ acpi_ut_init_globals (
        for (i = 0; i < NUM_MUTEX; i++)
        {
                acpi_gbl_mutex_info[i].mutex        = NULL;
-                acpi_gbl_mutex_info[i].owner_id     = ACPI_MUTEX_NOT_ACQUIRED;
+                acpi_gbl_mutex_info[i].thread_id    = ACPI_MUTEX_NOT_ACQUIRED;
                acpi_gbl_mutex_info[i].use_count    = 0;
        }
@@ -911,8 +822,7 @@ acpi_ut_init_globals (
        acpi_gbl_ns_lookup_count            = 0;
        acpi_gbl_ps_find_count              = 0;
        acpi_gbl_acpi_hardware_present      = TRUE;
-        acpi_gbl_next_table_owner_id        = ACPI_FIRST_TABLE_ID;
+        acpi_gbl_owner_id_mask              = 0;
-        acpi_gbl_next_method_owner_id       = ACPI_FIRST_METHOD_ID;
        acpi_gbl_debugger_configuration     = DEBUGGER_THREADING;
        acpi_gbl_db_output_flags            = ACPI_DB_CONSOLE_OUTPUT;
diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c
index 7f3713889ff0..fd7ceba83229 100644
--- a/drivers/acpi/utilities/utinit.c
+++ b/drivers/acpi/utilities/utinit.c
@@ -264,7 +264,7 @@ acpi_ut_subsystem_shutdown (
        /* Purge the local caches */
-        (void) acpi_purge_cached_objects ();
+        (void) acpi_ut_delete_caches ();
        /* Debug only - display leftover memory allocation, if any */
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index f6de4ed3d527..1d350b302a34 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -49,15 +49,121 @@
 #define _COMPONENT          ACPI_UTILITIES
         ACPI_MODULE_NAME    ("utmisc")
-/* Local prototypes */
-static acpi_status
+/*******************************************************************************
-acpi_ut_create_mutex (
+ *
-        acpi_mutex_handle               mutex_id);
+ * FUNCTION:    acpi_ut_allocate_owner_id
+ *
+ * PARAMETERS:  owner_id        - Where the new owner ID is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Allocate a table or method owner ID. The owner ID is used to
+ *              track objects created by the table or method, to be deleted
+ *              when the method exits or the table is unloaded.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ut_allocate_owner_id (
+        acpi_owner_id                   *owner_id)
+{
+        acpi_native_uint                i;
+        acpi_status                     status;
+        ACPI_FUNCTION_TRACE ("ut_allocate_owner_id");
-static acpi_status
-acpi_ut_delete_mutex (
+        /* Mutex for the global ID mask */
-        acpi_mutex_handle               mutex_id);
+        status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
+        if (ACPI_FAILURE (status)) {
+                return_ACPI_STATUS (status);
+        }
+        /* Find a free owner ID */
+        for (i = 0; i < 32; i++) {
+                if (!(acpi_gbl_owner_id_mask & (1 << i))) {
+                        acpi_gbl_owner_id_mask |= (1 << i);
+                        *owner_id = (acpi_owner_id) (i + 1);
+                        goto exit;
+                }
+        }
+        /*
+         * If we are here, all owner_ids have been allocated. This probably should
+         * not happen since the IDs are reused after deallocation. The IDs are
+         * allocated upon table load (one per table) and method execution, and
+         * they are released when a table is unloaded or a method completes
+         * execution.
+         */
+        *owner_id = 0;
+        status = AE_OWNER_ID_LIMIT;
+        ACPI_REPORT_ERROR ((
+                "Could not allocate new owner_id (32 max), AE_OWNER_ID_LIMIT\n"));
+exit:
+        (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
+        return_ACPI_STATUS (status);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_release_owner_id
+ *
+ * PARAMETERS:  owner_id_ptr        - Pointer to a previously allocated owner_iD
+ *
+ * RETURN:      None. No error is returned because we are either exiting a
+ *              control method or unloading a table. Either way, we would
+ *              ignore any error anyway.
+ *
+ * DESCRIPTION: Release a table or method owner ID.  Valid IDs are 1 - 32
+ *
+ ******************************************************************************/
+void
+acpi_ut_release_owner_id (
+        acpi_owner_id                   *owner_id_ptr)
+{
+        acpi_owner_id                   owner_id = *owner_id_ptr;
+        acpi_status                     status;
+        ACPI_FUNCTION_TRACE ("ut_release_owner_id");
+        /* Always clear the input owner_id (zero is an invalid ID) */
+        *owner_id_ptr = 0;
+        /* Zero is not a valid owner_iD */
+        if ((owner_id == 0) || (owner_id > 32)) {
+                ACPI_REPORT_ERROR (("Invalid owner_id: %2.2X\n", owner_id));
+                return_VOID;
+        }
+        /* Mutex for the global ID mask */
+        status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
+        if (ACPI_FAILURE (status)) {
+                return_VOID;
+        }
+        owner_id--; /* Normalize to zero */
+        /* Free the owner ID only if it is valid */
+        if (acpi_gbl_owner_id_mask & (1 << owner_id)) {
+                acpi_gbl_owner_id_mask ^= (1 << owner_id);
+        }
+        (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
+        return_VOID;
+}
 /*******************************************************************************
@@ -66,7 +172,7 @@ acpi_ut_delete_mutex (
 *
 * PARAMETERS:  src_string      - The source string to convert
 *
- * RETURN:      Converted src_string (same as input pointer)
+ * RETURN:      None
 *
 * DESCRIPTION: Convert string to uppercase
 *
@@ -74,7 +180,7 @@ acpi_ut_delete_mutex (
 *
 ******************************************************************************/
-char *
+void
 acpi_ut_strupr (
        char                            *src_string)
 {
@@ -84,13 +190,17 @@ acpi_ut_strupr (
        ACPI_FUNCTION_ENTRY ();
+        if (!src_string) {
+                return;
+        }
        /* Walk entire string, uppercasing the letters */
        for (string = src_string; *string; string++) {
                *string = (char) ACPI_TOUPPER (*string);
        }
-        return (src_string);
+        return;
 }
@@ -543,320 +653,6 @@ error_exit:
 /*******************************************************************************
 *
- * FUNCTION:    acpi_ut_mutex_initialize
- *
- * PARAMETERS:  None.
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Create the system mutex objects.
- *
- ******************************************************************************/
-acpi_status
-acpi_ut_mutex_initialize (
-        void)
-{
-        u32                             i;
-        acpi_status                     status;
-        ACPI_FUNCTION_TRACE ("ut_mutex_initialize");
-        /*
-         * Create each of the predefined mutex objects
-         */
-        for (i = 0; i < NUM_MUTEX; i++) {
-                status = acpi_ut_create_mutex (i);
-                if (ACPI_FAILURE (status)) {
-                        return_ACPI_STATUS (status);
-                }
-        }
-        status = acpi_os_create_lock (&acpi_gbl_gpe_lock);
-        return_ACPI_STATUS (status);
-}
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_mutex_terminate
- *
- * PARAMETERS:  None.
- *
- * RETURN:      None.
- *
- * DESCRIPTION: Delete all of the system mutex objects.
- *
- ******************************************************************************/
-void
-acpi_ut_mutex_terminate (
-        void)
-{
-        u32                             i;
-        ACPI_FUNCTION_TRACE ("ut_mutex_terminate");
-        /*
-         * Delete each predefined mutex object
-         */
-        for (i = 0; i < NUM_MUTEX; i++) {
-                (void) acpi_ut_delete_mutex (i);
-        }
-        acpi_os_delete_lock (acpi_gbl_gpe_lock);
-        return_VOID;
-}
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_create_mutex
- *
- * PARAMETERS:  mutex_iD        - ID of the mutex to be created
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Create a mutex object.
- *
- ******************************************************************************/
-static acpi_status
-acpi_ut_create_mutex (
-        acpi_mutex_handle               mutex_id)
-{
-        acpi_status                     status = AE_OK;
-        ACPI_FUNCTION_TRACE_U32 ("ut_create_mutex", mutex_id);
-        if (mutex_id > MAX_MUTEX) {
-                return_ACPI_STATUS (AE_BAD_PARAMETER);
-        }
-        if (!acpi_gbl_mutex_info[mutex_id].mutex) {
-                status = acpi_os_create_semaphore (1, 1,
-                                  &acpi_gbl_mutex_info[mutex_id].mutex);
-                acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
-                acpi_gbl_mutex_info[mutex_id].use_count = 0;
-        }
-        return_ACPI_STATUS (status);
-}
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_delete_mutex
- *
- * PARAMETERS:  mutex_iD        - ID of the mutex to be deleted
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Delete a mutex object.
- *
- ******************************************************************************/
-static acpi_status
-acpi_ut_delete_mutex (
-        acpi_mutex_handle               mutex_id)
-{
-        acpi_status                     status;
-        ACPI_FUNCTION_TRACE_U32 ("ut_delete_mutex", mutex_id);
-        if (mutex_id > MAX_MUTEX) {
-                return_ACPI_STATUS (AE_BAD_PARAMETER);
-        }
-        status = acpi_os_delete_semaphore (acpi_gbl_mutex_info[mutex_id].mutex);
-        acpi_gbl_mutex_info[mutex_id].mutex = NULL;
-        acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
-        return_ACPI_STATUS (status);
-}
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_acquire_mutex
- *
- * PARAMETERS:  mutex_iD        - ID of the mutex to be acquired
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Acquire a mutex object.
- *
- ******************************************************************************/
-acpi_status
-acpi_ut_acquire_mutex (
-        acpi_mutex_handle               mutex_id)
-{
-        acpi_status                     status;
-        u32                             this_thread_id;
-        ACPI_FUNCTION_NAME ("ut_acquire_mutex");
-        if (mutex_id > MAX_MUTEX) {
-                return (AE_BAD_PARAMETER);
-        }
-        this_thread_id = acpi_os_get_thread_id ();
-#ifdef ACPI_MUTEX_DEBUG
-        {
-                u32                             i;
-                /*
-                 * Mutex debug code, for internal debugging only.
-                 *
-                 * Deadlock prevention.  Check if this thread owns any mutexes of value
-                 * greater than or equal to this one.  If so, the thread has violated
-                 * the mutex ordering rule.  This indicates a coding error somewhere in
-                 * the ACPI subsystem code.
-                 */
-                for (i = mutex_id; i < MAX_MUTEX; i++) {
-                        if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
-                                if (i == mutex_id) {
-                                        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-                                                "Mutex [%s] already acquired by this thread [%X]\n",
-                                                acpi_ut_get_mutex_name (mutex_id), this_thread_id));
-                                        return (AE_ALREADY_ACQUIRED);
-                                }
-                                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-                                        "Invalid acquire order: Thread %X owns [%s], wants [%s]\n",
-                                        this_thread_id, acpi_ut_get_mutex_name (i),
-                                        acpi_ut_get_mutex_name (mutex_id)));
-                                return (AE_ACQUIRE_DEADLOCK);
-                        }
-                }
-        }
-#endif
-        ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
-                "Thread %X attempting to acquire Mutex [%s]\n",
-                this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
-        status = acpi_os_wait_semaphore (acpi_gbl_mutex_info[mutex_id].mutex,
-                           1, ACPI_WAIT_FOREVER);
-        if (ACPI_SUCCESS (status)) {
-                ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n",
-                        this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
-                acpi_gbl_mutex_info[mutex_id].use_count++;
-                acpi_gbl_mutex_info[mutex_id].owner_id = this_thread_id;
-        }
-        else {
-                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-                        "Thread %X could not acquire Mutex [%s] %s\n",
-                                this_thread_id, acpi_ut_get_mutex_name (mutex_id),
-                                acpi_format_exception (status)));
-        }
-        return (status);
-}
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_release_mutex
- *
- * PARAMETERS:  mutex_iD        - ID of the mutex to be released
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Release a mutex object.
- *
- ******************************************************************************/
-acpi_status
-acpi_ut_release_mutex (
-        acpi_mutex_handle               mutex_id)
-{
-        acpi_status                     status;
-        u32                             i;
-        u32                             this_thread_id;
-        ACPI_FUNCTION_NAME ("ut_release_mutex");
-        this_thread_id = acpi_os_get_thread_id ();
-        ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
-                "Thread %X releasing Mutex [%s]\n", this_thread_id,
-                acpi_ut_get_mutex_name (mutex_id)));
-        if (mutex_id > MAX_MUTEX) {
-                return (AE_BAD_PARAMETER);
-        }
-        /*
-         * Mutex must be acquired in order to release it!
-         */
-        if (acpi_gbl_mutex_info[mutex_id].owner_id == ACPI_MUTEX_NOT_ACQUIRED) {
-                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-                        "Mutex [%s] is not acquired, cannot release\n",
-                        acpi_ut_get_mutex_name (mutex_id)));
-                return (AE_NOT_ACQUIRED);
-        }
-        /*
-         * Deadlock prevention.  Check if this thread owns any mutexes of value
-         * greater than this one.  If so, the thread has violated the mutex
-         * ordering rule.  This indicates a coding error somewhere in
-         * the ACPI subsystem code.
-         */
-        for (i = mutex_id; i < MAX_MUTEX; i++) {
-                if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
-                        if (i == mutex_id) {
-                                continue;
-                        }
-                        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-                                "Invalid release order: owns [%s], releasing [%s]\n",
-                                acpi_ut_get_mutex_name (i), acpi_ut_get_mutex_name (mutex_id)));
-                        return (AE_RELEASE_DEADLOCK);
-                }
-        }
-        /* Mark unlocked FIRST */
-        acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
-        status = acpi_os_signal_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, 1);
-        if (ACPI_FAILURE (status)) {
-                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-                        "Thread %X could not release Mutex [%s] %s\n",
-                        this_thread_id, acpi_ut_get_mutex_name (mutex_id),
-                        acpi_format_exception (status)));
-        }
-        else {
-                ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X released Mutex [%s]\n",
-                        this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
-        }
-        return (status);
-}
-/*******************************************************************************
- *
 * FUNCTION:    acpi_ut_create_update_state_and_push
 *
 * PARAMETERS:  Object          - Object to be added to the new state
@@ -899,361 +695,6 @@ acpi_ut_create_update_state_and_push (
 /*******************************************************************************
 *
- * FUNCTION:    acpi_ut_create_pkg_state_and_push
- *
- * PARAMETERS:  Object          - Object to be added to the new state
- *              Action          - Increment/Decrement
- *              state_list      - List the state will be added to
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Create a new state and push it
- *
- ******************************************************************************/
-#ifdef ACPI_FUTURE_USAGE
-acpi_status
-acpi_ut_create_pkg_state_and_push (
-        void                            *internal_object,
-        void                            *external_object,
-        u16                             index,
-        union acpi_generic_state        **state_list)
-{
-        union acpi_generic_state         *state;
-        ACPI_FUNCTION_ENTRY ();
-        state = acpi_ut_create_pkg_state (internal_object, external_object, index);
-        if (!state) {
-                return (AE_NO_MEMORY);
-        }
-        acpi_ut_push_generic_state (state_list, state);
-        return (AE_OK);
-}
-#endif  /*  ACPI_FUTURE_USAGE  */
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_push_generic_state
- *
- * PARAMETERS:  list_head           - Head of the state stack
- *              State               - State object to push
- *
- * RETURN:      None
- *
- * DESCRIPTION: Push a state object onto a state stack
- *
- ******************************************************************************/
-void
-acpi_ut_push_generic_state (
-        union acpi_generic_state        **list_head,
-        union acpi_generic_state        *state)
-{
-        ACPI_FUNCTION_TRACE ("ut_push_generic_state");
-        /* Push the state object onto the front of the list (stack) */
-        state->common.next = *list_head;
-        *list_head = state;
-        return_VOID;
-}
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_pop_generic_state
- *
- * PARAMETERS:  list_head           - Head of the state stack
- *
- * RETURN:      The popped state object
- *
- * DESCRIPTION: Pop a state object from a state stack
- *
- ******************************************************************************/
-union acpi_generic_state *
-acpi_ut_pop_generic_state (
-        union acpi_generic_state        **list_head)
-{
-        union acpi_generic_state        *state;
-        ACPI_FUNCTION_TRACE ("ut_pop_generic_state");
-        /* Remove the state object at the head of the list (stack) */
-        state = *list_head;
-        if (state) {
-                /* Update the list head */
-                *list_head = state->common.next;
-        }
-        return_PTR (state);
-}
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_create_generic_state
- *
- * PARAMETERS:  None
- *
- * RETURN:      The new state object. NULL on failure.
- *
- * DESCRIPTION: Create a generic state object.  Attempt to obtain one from
- *              the global state cache;  If none available, create a new one.
- *
- ******************************************************************************/
-union acpi_generic_state *
-acpi_ut_create_generic_state (
-        void)
-{
-        union acpi_generic_state        *state;
-        ACPI_FUNCTION_ENTRY ();
-        state = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_STATE);
-        /* Initialize */
-        if (state) {
-                state->common.data_type = ACPI_DESC_TYPE_STATE;
-        }
-        return (state);
-}
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_create_thread_state
- *
- * PARAMETERS:  None
- *
- * RETURN:      New Thread State. NULL on failure
- *
- * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
- *              to track per-thread info during method execution
- *
- ******************************************************************************/
-struct acpi_thread_state *
-acpi_ut_create_thread_state (
-        void)
-{
-        union acpi_generic_state        *state;
-        ACPI_FUNCTION_TRACE ("ut_create_thread_state");
-        /* Create the generic state object */
-        state = acpi_ut_create_generic_state ();
-        if (!state) {
-                return_PTR (NULL);
-        }
-        /* Init fields specific to the update struct */
-        state->common.data_type = ACPI_DESC_TYPE_STATE_THREAD;
-        state->thread.thread_id = acpi_os_get_thread_id ();
-        return_PTR ((struct acpi_thread_state *) state);
-}
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_create_update_state
- *
- * PARAMETERS:  Object          - Initial Object to be installed in the state
- *              Action          - Update action to be performed
- *
- * RETURN:      New state object, null on failure
- *
- * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
- *              to update reference counts and delete complex objects such
- *              as packages.
- *
- ******************************************************************************/
-union acpi_generic_state *
-acpi_ut_create_update_state (
-        union acpi_operand_object       *object,
-        u16                             action)
-{
-        union acpi_generic_state        *state;
-        ACPI_FUNCTION_TRACE_PTR ("ut_create_update_state", object);
-        /* Create the generic state object */
-        state = acpi_ut_create_generic_state ();
-        if (!state) {
-                return_PTR (NULL);
-        }
-        /* Init fields specific to the update struct */
-        state->common.data_type = ACPI_DESC_TYPE_STATE_UPDATE;
-        state->update.object = object;
-        state->update.value  = action;
-        return_PTR (state);
-}
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_create_pkg_state
- *
- * PARAMETERS:  Object          - Initial Object to be installed in the state
- *              Action          - Update action to be performed
- *
- * RETURN:      New state object, null on failure
- *
- * DESCRIPTION: Create a "Package State"
- *
- ******************************************************************************/
-union acpi_generic_state *
-acpi_ut_create_pkg_state (
-        void                            *internal_object,
-        void                            *external_object,
-        u16                             index)
-{
-        union acpi_generic_state        *state;
-        ACPI_FUNCTION_TRACE_PTR ("ut_create_pkg_state", internal_object);
-        /* Create the generic state object */
-        state = acpi_ut_create_generic_state ();
-        if (!state) {
-                return_PTR (NULL);
-        }
-        /* Init fields specific to the update struct */
-        state->common.data_type = ACPI_DESC_TYPE_STATE_PACKAGE;
-        state->pkg.source_object = (union acpi_operand_object *) internal_object;
-        state->pkg.dest_object  = external_object;
-        state->pkg.index        = index;
-        state->pkg.num_packages = 1;
-        return_PTR (state);
-}
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_create_control_state
- *
- * PARAMETERS:  None
- *
- * RETURN:      New state object, null on failure
- *
- * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
- *              to support nested IF/WHILE constructs in the AML.
- *
- ******************************************************************************/
-union acpi_generic_state *
-acpi_ut_create_control_state (
-        void)
-{
-        union acpi_generic_state        *state;
-        ACPI_FUNCTION_TRACE ("ut_create_control_state");
-        /* Create the generic state object */
-        state = acpi_ut_create_generic_state ();
-        if (!state) {
-                return_PTR (NULL);
-        }
-        /* Init fields specific to the control struct */
-        state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL;
-        state->common.state     = ACPI_CONTROL_CONDITIONAL_EXECUTING;
-        return_PTR (state);
-}
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_delete_generic_state
- *
- * PARAMETERS:  State               - The state object to be deleted
- *
- * RETURN:      None
- *
- * DESCRIPTION: Put a state object back into the global state cache.  The object
- *              is not actually freed at this time.
- *
- ******************************************************************************/
-void
-acpi_ut_delete_generic_state (
-        union acpi_generic_state        *state)
-{
-        ACPI_FUNCTION_TRACE ("ut_delete_generic_state");
-        acpi_ut_release_to_cache (ACPI_MEM_LIST_STATE, state);
-        return_VOID;
-}
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_delete_generic_state_cache
- *
- * PARAMETERS:  None
- *
- * RETURN:      None
- *
- * DESCRIPTION: Purge the global state object cache.  Used during subsystem
- *              termination.
- *
- ******************************************************************************/
-void
-acpi_ut_delete_generic_state_cache (
-        void)
-{
-        ACPI_FUNCTION_TRACE ("ut_delete_generic_state_cache");
-        acpi_ut_delete_generic_cache (ACPI_MEM_LIST_STATE);
-        return_VOID;
-}
-#endif
-/*******************************************************************************
- *
 * FUNCTION:    acpi_ut_walk_package_tree
 *
 * PARAMETERS:  source_object       - The package to walk
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c
new file mode 100644
index 000000000000..0699b6be62b6
--- /dev/null
+++ b/drivers/acpi/utilities/utmutex.c
@@ -0,0 +1,380 @@
+/*******************************************************************************
+ *
+ * Module Name: utmutex - local mutex support
+ *
+ ******************************************************************************/
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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>
+#define _COMPONENT          ACPI_UTILITIES
+         ACPI_MODULE_NAME    ("utmutex")
+/* Local prototypes */
+static acpi_status
+acpi_ut_create_mutex (
+        acpi_mutex_handle               mutex_id);
+static acpi_status
+acpi_ut_delete_mutex (
+        acpi_mutex_handle               mutex_id);
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_mutex_initialize
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create the system mutex objects.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ut_mutex_initialize (
+        void)
+{
+        u32                             i;
+        acpi_status                     status;
+        ACPI_FUNCTION_TRACE ("ut_mutex_initialize");
+        /*
+         * Create each of the predefined mutex objects
+         */
+        for (i = 0; i < NUM_MUTEX; i++) {
+                status = acpi_ut_create_mutex (i);
+                if (ACPI_FAILURE (status)) {
+                        return_ACPI_STATUS (status);
+                }
+        }
+        status = acpi_os_create_lock (&acpi_gbl_gpe_lock);
+        return_ACPI_STATUS (status);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_mutex_terminate
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Delete all of the system mutex objects.
+ *
+ ******************************************************************************/
+void
+acpi_ut_mutex_terminate (
+        void)
+{
+        u32                             i;
+        ACPI_FUNCTION_TRACE ("ut_mutex_terminate");
+        /*
+         * Delete each predefined mutex object
+         */
+        for (i = 0; i < NUM_MUTEX; i++) {
+                (void) acpi_ut_delete_mutex (i);
+        }
+        acpi_os_delete_lock (acpi_gbl_gpe_lock);
+        return_VOID;
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_mutex
+ *
+ * PARAMETERS:  mutex_iD        - ID of the mutex to be created
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a mutex object.
+ *
+ ******************************************************************************/
+static acpi_status
+acpi_ut_create_mutex (
+        acpi_mutex_handle               mutex_id)
+{
+        acpi_status                     status = AE_OK;
+        ACPI_FUNCTION_TRACE_U32 ("ut_create_mutex", mutex_id);
+        if (mutex_id > MAX_MUTEX) {
+                return_ACPI_STATUS (AE_BAD_PARAMETER);
+        }
+        if (!acpi_gbl_mutex_info[mutex_id].mutex) {
+                status = acpi_os_create_semaphore (1, 1,
+                                  &acpi_gbl_mutex_info[mutex_id].mutex);
+                acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
+                acpi_gbl_mutex_info[mutex_id].use_count = 0;
+        }
+        return_ACPI_STATUS (status);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_delete_mutex
+ *
+ * PARAMETERS:  mutex_iD        - ID of the mutex to be deleted
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Delete a mutex object.
+ *
+ ******************************************************************************/
+static acpi_status
+acpi_ut_delete_mutex (
+        acpi_mutex_handle               mutex_id)
+{
+        acpi_status                     status;
+        ACPI_FUNCTION_TRACE_U32 ("ut_delete_mutex", mutex_id);
+        if (mutex_id > MAX_MUTEX) {
+                return_ACPI_STATUS (AE_BAD_PARAMETER);
+        }
+        status = acpi_os_delete_semaphore (acpi_gbl_mutex_info[mutex_id].mutex);
+        acpi_gbl_mutex_info[mutex_id].mutex = NULL;
+        acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
+        return_ACPI_STATUS (status);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_acquire_mutex
+ *
+ * PARAMETERS:  mutex_iD        - ID of the mutex to be acquired
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Acquire a mutex object.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ut_acquire_mutex (
+        acpi_mutex_handle               mutex_id)
+{
+        acpi_status                     status;
+        u32                             this_thread_id;
+        ACPI_FUNCTION_NAME ("ut_acquire_mutex");
+        if (mutex_id > MAX_MUTEX) {
+                return (AE_BAD_PARAMETER);
+        }
+        this_thread_id = acpi_os_get_thread_id ();
+#ifdef ACPI_MUTEX_DEBUG
+        {
+                u32                             i;
+                /*
+                 * Mutex debug code, for internal debugging only.
+                 *
+                 * Deadlock prevention.  Check if this thread owns any mutexes of value
+                 * greater than or equal to this one.  If so, the thread has violated
+                 * the mutex ordering rule.  This indicates a coding error somewhere in
+                 * the ACPI subsystem code.
+                 */
+                for (i = mutex_id; i < MAX_MUTEX; i++) {
+                        if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
+                                if (i == mutex_id) {
+                                        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                                                "Mutex [%s] already acquired by this thread [%X]\n",
+                                                acpi_ut_get_mutex_name (mutex_id), this_thread_id));
+                                        return (AE_ALREADY_ACQUIRED);
+                                }
+                                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                                        "Invalid acquire order: Thread %X owns [%s], wants [%s]\n",
+                                        this_thread_id, acpi_ut_get_mutex_name (i),
+                                        acpi_ut_get_mutex_name (mutex_id)));
+                                return (AE_ACQUIRE_DEADLOCK);
+                        }
+                }
+        }
+#endif
+        ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
+                "Thread %X attempting to acquire Mutex [%s]\n",
+                this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+        status = acpi_os_wait_semaphore (acpi_gbl_mutex_info[mutex_id].mutex,
+                           1, ACPI_WAIT_FOREVER);
+        if (ACPI_SUCCESS (status)) {
+                ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n",
+                        this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+                acpi_gbl_mutex_info[mutex_id].use_count++;
+                acpi_gbl_mutex_info[mutex_id].thread_id = this_thread_id;
+        }
+        else {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                        "Thread %X could not acquire Mutex [%s] %s\n",
+                                this_thread_id, acpi_ut_get_mutex_name (mutex_id),
+                                acpi_format_exception (status)));
+        }
+        return (status);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_release_mutex
+ *
+ * PARAMETERS:  mutex_iD        - ID of the mutex to be released
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Release a mutex object.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ut_release_mutex (
+        acpi_mutex_handle               mutex_id)
+{
+        acpi_status                     status;
+        u32                             this_thread_id;
+        ACPI_FUNCTION_NAME ("ut_release_mutex");
+        this_thread_id = acpi_os_get_thread_id ();
+        ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
+                "Thread %X releasing Mutex [%s]\n", this_thread_id,
+                acpi_ut_get_mutex_name (mutex_id)));
+        if (mutex_id > MAX_MUTEX) {
+                return (AE_BAD_PARAMETER);
+        }
+        /*
+         * Mutex must be acquired in order to release it!
+         */
+        if (acpi_gbl_mutex_info[mutex_id].thread_id == ACPI_MUTEX_NOT_ACQUIRED) {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                        "Mutex [%s] is not acquired, cannot release\n",
+                        acpi_ut_get_mutex_name (mutex_id)));
+                return (AE_NOT_ACQUIRED);
+        }
+#ifdef ACPI_MUTEX_DEBUG
+        {
+                u32                             i;
+                /*
+                 * Mutex debug code, for internal debugging only.
+                 *
+                 * Deadlock prevention.  Check if this thread owns any mutexes of value
+                 * greater than this one.  If so, the thread has violated the mutex
+                 * ordering rule.  This indicates a coding error somewhere in
+                 * the ACPI subsystem code.
+                 */
+                for (i = mutex_id; i < MAX_MUTEX; i++) {
+                        if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
+                                if (i == mutex_id) {
+                                        continue;
+                                }
+                                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                                        "Invalid release order: owns [%s], releasing [%s]\n",
+                                        acpi_ut_get_mutex_name (i), acpi_ut_get_mutex_name (mutex_id)));
+                                return (AE_RELEASE_DEADLOCK);
+                        }
+                }
+        }
+#endif
+        /* Mark unlocked FIRST */
+        acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
+        status = acpi_os_signal_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, 1);
+        if (ACPI_FAILURE (status)) {
+                ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+                        "Thread %X could not release Mutex [%s] %s\n",
+                        this_thread_id, acpi_ut_get_mutex_name (mutex_id),
+                        acpi_format_exception (status)));
+        }
+        else {
+                ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X released Mutex [%s]\n",
+                        this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+        }
+        return (status);
+}
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
index cd3899b9cc5a..19178e142951 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/utilities/utobject.c
@@ -338,7 +338,7 @@ acpi_ut_allocate_object_desc_dbg (
        ACPI_FUNCTION_TRACE ("ut_allocate_object_desc_dbg");
-        object = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_OPERAND);
+        object = acpi_os_acquire_object (acpi_gbl_operand_cache);
        if (!object) {
                _ACPI_REPORT_ERROR (module_name, line_number, component_id,
                                  ("Could not allocate an object descriptor\n"));
@@ -347,7 +347,7 @@ acpi_ut_allocate_object_desc_dbg (
        }
        /* Mark the descriptor type */
+        memset(object, 0, sizeof(union acpi_operand_object));
        ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_OPERAND);
        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n",
@@ -385,37 +385,9 @@ acpi_ut_delete_object_desc (
                return_VOID;
        }
-        acpi_ut_release_to_cache (ACPI_MEM_LIST_OPERAND, object);
+        (void) acpi_os_release_object (acpi_gbl_operand_cache, object);
-        return_VOID;
-}
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_delete_object_cache
- *
- * PARAMETERS:  None
- *
- * RETURN:      None
- *
- * DESCRIPTION: Purge the global state object cache.  Used during subsystem
- *              termination.
- *
- ******************************************************************************/
-void
-acpi_ut_delete_object_cache (
-        void)
-{
-        ACPI_FUNCTION_TRACE ("ut_delete_object_cache");
-        acpi_ut_delete_generic_cache (ACPI_MEM_LIST_OPERAND);
        return_VOID;
 }
-#endif
 /*******************************************************************************
diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c
new file mode 100644
index 000000000000..192e7ac95690
--- /dev/null
+++ b/drivers/acpi/utilities/utstate.c
@@ -0,0 +1,376 @@
+/*******************************************************************************
+ *
+ * Module Name: utstate - state object support procedures
+ *
+ ******************************************************************************/
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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>
+#define _COMPONENT          ACPI_UTILITIES
+         ACPI_MODULE_NAME    ("utstate")
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_pkg_state_and_push
+ *
+ * PARAMETERS:  Object          - Object to be added to the new state
+ *              Action          - Increment/Decrement
+ *              state_list      - List the state will be added to
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new state and push it
+ *
+ ******************************************************************************/
+acpi_status
+acpi_ut_create_pkg_state_and_push (
+        void                            *internal_object,
+        void                            *external_object,
+        u16                             index,
+        union acpi_generic_state        **state_list)
+{
+        union acpi_generic_state         *state;
+        ACPI_FUNCTION_ENTRY ();
+        state = acpi_ut_create_pkg_state (internal_object, external_object, index);
+        if (!state) {
+                return (AE_NO_MEMORY);
+        }
+        acpi_ut_push_generic_state (state_list, state);
+        return (AE_OK);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_push_generic_state
+ *
+ * PARAMETERS:  list_head           - Head of the state stack
+ *              State               - State object to push
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Push a state object onto a state stack
+ *
+ ******************************************************************************/
+void
+acpi_ut_push_generic_state (
+        union acpi_generic_state        **list_head,
+        union acpi_generic_state        *state)
+{
+        ACPI_FUNCTION_TRACE ("ut_push_generic_state");
+        /* Push the state object onto the front of the list (stack) */
+        state->common.next = *list_head;
+        *list_head = state;
+        return_VOID;
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_pop_generic_state
+ *
+ * PARAMETERS:  list_head           - Head of the state stack
+ *
+ * RETURN:      The popped state object
+ *
+ * DESCRIPTION: Pop a state object from a state stack
+ *
+ ******************************************************************************/
+union acpi_generic_state *
+acpi_ut_pop_generic_state (
+        union acpi_generic_state        **list_head)
+{
+        union acpi_generic_state        *state;
+        ACPI_FUNCTION_TRACE ("ut_pop_generic_state");
+        /* Remove the state object at the head of the list (stack) */
+        state = *list_head;
+        if (state) {
+                /* Update the list head */
+                *list_head = state->common.next;
+        }
+        return_PTR (state);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_generic_state
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      The new state object. NULL on failure.
+ *
+ * DESCRIPTION: Create a generic state object.  Attempt to obtain one from
+ *              the global state cache;  If none available, create a new one.
+ *
+ ******************************************************************************/
+union acpi_generic_state *
+acpi_ut_create_generic_state (
+        void)
+{
+        union acpi_generic_state        *state;
+        ACPI_FUNCTION_ENTRY ();
+        state = acpi_os_acquire_object (acpi_gbl_state_cache);
+        if (state) {
+                /* Initialize */
+                memset(state, 0, sizeof(union acpi_generic_state));
+                state->common.data_type = ACPI_DESC_TYPE_STATE;
+        }
+        return (state);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_thread_state
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      New Thread State. NULL on failure
+ *
+ * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
+ *              to track per-thread info during method execution
+ *
+ ******************************************************************************/
+struct acpi_thread_state *
+acpi_ut_create_thread_state (
+        void)
+{
+        union acpi_generic_state        *state;
+        ACPI_FUNCTION_TRACE ("ut_create_thread_state");
+        /* Create the generic state object */
+        state = acpi_ut_create_generic_state ();
+        if (!state) {
+                return_PTR (NULL);
+        }
+        /* Init fields specific to the update struct */
+        state->common.data_type = ACPI_DESC_TYPE_STATE_THREAD;
+        state->thread.thread_id = acpi_os_get_thread_id ();
+        return_PTR ((struct acpi_thread_state *) state);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_update_state
+ *
+ * PARAMETERS:  Object          - Initial Object to be installed in the state
+ *              Action          - Update action to be performed
+ *
+ * RETURN:      New state object, null on failure
+ *
+ * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
+ *              to update reference counts and delete complex objects such
+ *              as packages.
+ *
+ ******************************************************************************/
+union acpi_generic_state *
+acpi_ut_create_update_state (
+        union acpi_operand_object       *object,
+        u16                             action)
+{
+        union acpi_generic_state        *state;
+        ACPI_FUNCTION_TRACE_PTR ("ut_create_update_state", object);
+        /* Create the generic state object */
+        state = acpi_ut_create_generic_state ();
+        if (!state) {
+                return_PTR (NULL);
+        }
+        /* Init fields specific to the update struct */
+        state->common.data_type = ACPI_DESC_TYPE_STATE_UPDATE;
+        state->update.object = object;
+        state->update.value  = action;
+        return_PTR (state);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_pkg_state
+ *
+ * PARAMETERS:  Object          - Initial Object to be installed in the state
+ *              Action          - Update action to be performed
+ *
+ * RETURN:      New state object, null on failure
+ *
+ * DESCRIPTION: Create a "Package State"
+ *
+ ******************************************************************************/
+union acpi_generic_state *
+acpi_ut_create_pkg_state (
+        void                            *internal_object,
+        void                            *external_object,
+        u16                             index)
+{
+        union acpi_generic_state        *state;
+        ACPI_FUNCTION_TRACE_PTR ("ut_create_pkg_state", internal_object);
+        /* Create the generic state object */
+        state = acpi_ut_create_generic_state ();
+        if (!state) {
+                return_PTR (NULL);
+        }
+        /* Init fields specific to the update struct */
+        state->common.data_type = ACPI_DESC_TYPE_STATE_PACKAGE;
+        state->pkg.source_object = (union acpi_operand_object *) internal_object;
+        state->pkg.dest_object  = external_object;
+        state->pkg.index        = index;
+        state->pkg.num_packages = 1;
+        return_PTR (state);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_control_state
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      New state object, null on failure
+ *
+ * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
+ *              to support nested IF/WHILE constructs in the AML.
+ *
+ ******************************************************************************/
+union acpi_generic_state *
+acpi_ut_create_control_state (
+        void)
+{
+        union acpi_generic_state        *state;
+        ACPI_FUNCTION_TRACE ("ut_create_control_state");
+        /* Create the generic state object */
+        state = acpi_ut_create_generic_state ();
+        if (!state) {
+                return_PTR (NULL);
+        }
+        /* Init fields specific to the control struct */
+        state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL;
+        state->common.state     = ACPI_CONTROL_CONDITIONAL_EXECUTING;
+        return_PTR (state);
+}
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_delete_generic_state
+ *
+ * PARAMETERS:  State               - The state object to be deleted
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Put a state object back into the global state cache.  The object
+ *              is not actually freed at this time.
+ *
+ ******************************************************************************/
+void
+acpi_ut_delete_generic_state (
+        union acpi_generic_state        *state)
+{
+        ACPI_FUNCTION_TRACE ("ut_delete_generic_state");
+        (void) acpi_os_release_object (acpi_gbl_state_cache, state);
+        return_VOID;
+}
diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/utilities/utxface.c
index e8803d810656..850da6817423 100644
--- a/drivers/acpi/utilities/utxface.c
+++ b/drivers/acpi/utilities/utxface.c
@@ -46,8 +46,6 @@
 #include <acpi/acpi.h>
 #include <acpi/acevents.h>
 #include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
-#include <acpi/acdispat.h>
 #include <acpi/acdebug.h>
 #define _COMPONENT          ACPI_UTILITIES
@@ -79,11 +77,6 @@ acpi_initialize_subsystem (
        ACPI_DEBUG_EXEC (acpi_ut_init_stack_ptr_trace ());
-        /* Initialize all globals used by the subsystem */
-        acpi_ut_init_globals ();
        /* Initialize the OS-Dependent layer */
        status = acpi_os_initialize ();
@@ -93,6 +86,10 @@ acpi_initialize_subsystem (
                return_ACPI_STATUS (status);
        }
+        /* Initialize all globals used by the subsystem */
+        acpi_ut_init_globals ();
        /* Create the default mutex objects */
        status = acpi_ut_mutex_initialize ();
@@ -522,13 +519,9 @@ acpi_purge_cached_objects (
 {
        ACPI_FUNCTION_TRACE ("acpi_purge_cached_objects");
+        (void) acpi_os_purge_cache (acpi_gbl_state_cache);
-#ifdef ACPI_ENABLE_OBJECT_CACHE
+        (void) acpi_os_purge_cache (acpi_gbl_operand_cache);
-        acpi_ut_delete_generic_state_cache ();
+        (void) acpi_os_purge_cache (acpi_gbl_ps_node_cache);
-        acpi_ut_delete_object_cache ();
+        (void) acpi_os_purge_cache (acpi_gbl_ps_node_ext_cache);
-        acpi_ds_delete_walk_state_cache ();
-        acpi_ps_delete_parse_cache ();
-#endif
        return_ACPI_STATUS (AE_OK);
 }
author	Len Brown <len.brown@intel.com>	2005-08-04 18:09:09 -0400
committer	Len Brown <len.brown@intel.com>	2005-08-04 18:09:09 -0400
commit	5d2a22079c825669d91a3a200332f1053b4b61b0 (patch)
tree	2e6e88bbcc3e17535fdf3103540b246b3658e20b /drivers/acpi
parent	1c5ad84516ae7ea4ec868436a910a6bd8d20215a (diff)
parent	bd6dbdf3c7b9784fbf5d8500e427a954e27a976a (diff)