1 files changed, 33 insertions, 44 deletions

diff --git a/drivers/acpi/executer/exresolv.c b/drivers/acpi/executer/exresolv.c
index 1deed492fe88..6499de878017 100644
--- a/drivers/acpi/executer/exresolv.c
+++ b/drivers/acpi/executer/exresolv.c
@@ -78,7 +78,7 @@ acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr,
 {
         acpi_status status;
 
-        ACPI_FUNCTION_TRACE_PTR("ex_resolve_to_value", stack_ptr);
+        ACPI_FUNCTION_TRACE_PTR(ex_resolve_to_value, stack_ptr);
 
         if (!stack_ptr || !*stack_ptr) {
                 ACPI_ERROR((AE_INFO, "Internal - null pointer"));
@@ -144,7 +144,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
         union acpi_operand_object *obj_desc;
         u16 opcode;
 
-        ACPI_FUNCTION_TRACE("ex_resolve_object_to_value");
+        ACPI_FUNCTION_TRACE(ex_resolve_object_to_value);
 
         stack_desc = *stack_ptr;
 
@@ -190,7 +190,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
                         }
 
                         ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-                                          "[Arg/Local %X] value_obj is %p\n",
+                                          "[Arg/Local %X] ValueObj is %p\n",
                                           stack_desc->reference.offset,
                                           obj_desc));
 
@@ -239,7 +239,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
                                 /* Invalid reference object */
 
                                 ACPI_ERROR((AE_INFO,
-                                            "Unknown target_type %X in Index/Reference obj %p",
+                                            "Unknown TargetType %X in Index/Reference obj %p",
                                             stack_desc->reference.target_type,
                                             stack_desc));
                                 status = AE_AML_INTERNAL;
@@ -257,10 +257,24 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
 
                 case AML_INT_NAMEPATH_OP:       /* Reference to a named object */
 
-                        /* Get the object pointed to by the namespace node */
+                        /* Dereference the name */
+
+                        if ((stack_desc->reference.node->type ==
+                             ACPI_TYPE_DEVICE)
+                            || (stack_desc->reference.node->type ==
+                                ACPI_TYPE_THERMAL)) {
+
+                                /* These node types do not have 'real' subobjects */
+
+                                *stack_ptr = (void *)stack_desc->reference.node;
+                        } else {
+                                /* Get the object pointed to by the namespace node */
+
+                                *stack_ptr =
+                                    (stack_desc->reference.node)->object;
+                                acpi_ut_add_reference(*stack_ptr);
+                        }
 
-                        *stack_ptr = (stack_desc->reference.node)->object;
-                        acpi_ut_add_reference(*stack_ptr);
                         acpi_ut_remove_reference(stack_desc);
                         break;
 
@@ -293,7 +307,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
         case ACPI_TYPE_LOCAL_INDEX_FIELD:
 
                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-                                  "field_read source_desc=%p Type=%X\n",
+                                  "FieldRead SourceDesc=%p Type=%X\n",
                                   stack_desc,
                                   ACPI_GET_OBJECT_TYPE(stack_desc)));
 
@@ -337,7 +351,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
         acpi_object_type type;
         acpi_status status;
 
-        ACPI_FUNCTION_TRACE("acpi_ex_resolve_multiple");
+        ACPI_FUNCTION_TRACE(acpi_ex_resolve_multiple);
 
         /* Operand can be either a namespace node or an operand descriptor */
 
@@ -382,10 +396,16 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
         while (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_REFERENCE) {
                 switch (obj_desc->reference.opcode) {
                 case AML_REF_OF_OP:
+                case AML_INT_NAMEPATH_OP:
 
                         /* Dereference the reference pointer */
 
-                        node = obj_desc->reference.object;
+                        if (obj_desc->reference.opcode == AML_REF_OF_OP) {
+                                node = obj_desc->reference.object;
+                        } else {        /* AML_INT_NAMEPATH_OP */
+
+                                node = obj_desc->reference.node;
+                        }
 
                         /* All "References" point to a NS node */
 
@@ -401,6 +421,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
 
                         obj_desc = acpi_ns_get_attached_object(node);
                         if (!obj_desc) {
+
                                 /* No object, use the NS node type */
 
                                 type = acpi_ns_get_type(node);
@@ -432,6 +453,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
                          */
                         obj_desc = *(obj_desc->reference.where);
                         if (!obj_desc) {
+
                                 /* NULL package elements are allowed */
 
                                 type = 0;       /* Uninitialized */
@@ -439,39 +461,6 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
                         }
                         break;
 
-                case AML_INT_NAMEPATH_OP:
-
-                        /* Dereference the reference pointer */
-
-                        node = obj_desc->reference.node;
-
-                        /* All "References" point to a NS node */
-
-                        if (ACPI_GET_DESCRIPTOR_TYPE(node) !=
-                            ACPI_DESC_TYPE_NAMED) {
-                                ACPI_ERROR((AE_INFO, "Not a NS node %p [%s]",
-                                            node,
-                                            acpi_ut_get_descriptor_name(node)));
-                                return_ACPI_STATUS(AE_AML_INTERNAL);
-                        }
-
-                        /* Get the attached object */
-
-                        obj_desc = acpi_ns_get_attached_object(node);
-                        if (!obj_desc) {
-                                /* No object, use the NS node type */
-
-                                type = acpi_ns_get_type(node);
-                                goto exit;
-                        }
-
-                        /* Check for circular references */
-
-                        if (obj_desc == operand) {
-                                return_ACPI_STATUS(AE_AML_CIRCULAR_REFERENCE);
-                        }
-                        break;
-
                 case AML_LOCAL_OP:
                 case AML_ARG_OP:
 
@@ -513,7 +502,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
 
                 case AML_DEBUG_OP:
 
-                        /* The Debug Object is of type "debug_object" */
+                        /* The Debug Object is of type "DebugObject" */
 
                         type = ACPI_TYPE_DEBUG_OBJECT;
                         goto exit;