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path: root/drivers/acpi/executer/exresolv.c
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Diffstat (limited to 'drivers/acpi/executer/exresolv.c')
-rw-r--r--drivers/acpi/executer/exresolv.c77
1 files changed, 33 insertions, 44 deletions
diff --git a/drivers/acpi/executer/exresolv.c b/drivers/acpi/executer/exresolv.c
index 1deed492fe8..6499de87801 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;