Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
[powerpc.git] / drivers / acpi / utilities / utdelete.c
index 2bc878f..67b9f32 100644 (file)
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -76,7 +76,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
        union acpi_operand_object *second_desc;
        union acpi_operand_object *next_desc;
 
-       ACPI_FUNCTION_TRACE_PTR("ut_delete_internal_obj", object);
+       ACPI_FUNCTION_TRACE_PTR(ut_delete_internal_obj, object);
 
        if (!object) {
                return_VOID;
@@ -96,6 +96,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
                /* Free the actual string buffer */
 
                if (!(object->common.flags & AOPOBJ_STATIC_POINTER)) {
+
                        /* But only if it is NOT a pointer into an ACPI table */
 
                        obj_pointer = object->string.pointer;
@@ -111,6 +112,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
                /* Free the actual buffer */
 
                if (!(object->common.flags & AOPOBJ_STATIC_POINTER)) {
+
                        /* But only if it is NOT a pointer into an ACPI table */
 
                        obj_pointer = object->buffer.pointer;
@@ -198,11 +200,22 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
                         */
                        handler_desc = object->region.handler;
                        if (handler_desc) {
-                               if (handler_desc->address_space.
-                                   hflags &
+                               if (handler_desc->address_space.handler_flags &
                                    ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {
-                                       obj_pointer =
-                                           second_desc->extra.region_context;
+
+                                       /* Deactivate region and free region context */
+
+                                       if (handler_desc->address_space.setup) {
+                                               (void)handler_desc->
+                                                   address_space.setup(object,
+                                                                       ACPI_REGION_DEACTIVATE,
+                                                                       handler_desc->
+                                                                       address_space.
+                                                                       context,
+                                                                       &second_desc->
+                                                                       extra.
+                                                                       region_context);
+                                       }
                                }
 
                                acpi_ut_remove_reference(handler_desc);
@@ -234,7 +247,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
        if (obj_pointer) {
                ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
                                  "Deleting Object Subptr %p\n", obj_pointer));
-               ACPI_MEM_FREE(obj_pointer);
+               ACPI_FREE(obj_pointer);
        }
 
        /* Now the object can be safely deleted */
@@ -263,7 +276,7 @@ void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list)
 {
        union acpi_operand_object **internal_obj;
 
-       ACPI_FUNCTION_TRACE("ut_delete_internal_object_list");
+       ACPI_FUNCTION_TRACE(ut_delete_internal_object_list);
 
        /* Walk the null-terminated internal list */
 
@@ -273,7 +286,7 @@ void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list)
 
        /* Free the combined parameter pointer list and object array */
 
-       ACPI_MEM_FREE(obj_list);
+       ACPI_FREE(obj_list);
        return_VOID;
 }
 
@@ -296,7 +309,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
        u16 count;
        u16 new_count;
 
-       ACPI_FUNCTION_NAME("ut_update_ref_count");
+       ACPI_FUNCTION_NAME(ut_update_ref_count);
 
        if (!object) {
                return;
@@ -306,11 +319,9 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
        new_count = count;
 
        /*
-        * Perform the reference count action
-        * (increment, decrement, or force delete)
+        * Perform the reference count action (increment, decrement, force delete)
         */
        switch (action) {
-
        case REF_INCREMENT:
 
                new_count++;
@@ -347,7 +358,6 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
                if (new_count == 0) {
                        acpi_ut_delete_internal_obj(object);
                }
-
                break;
 
        case REF_FORCE_DELETE:
@@ -363,8 +373,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
 
        default:
 
-               ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unknown action (%X)\n",
-                                 action));
+               ACPI_ERROR((AE_INFO, "Unknown action (%X)", action));
                break;
        }
 
@@ -373,13 +382,10 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
         * (A deleted object will have a huge reference count)
         */
        if (count > ACPI_MAX_REFERENCE_COUNT) {
-
-               ACPI_DEBUG_PRINT((ACPI_DB_WARN,
-                                 "**** Warning **** Large Reference Count (%X) in object %p\n\n",
-                                 count, object));
+               ACPI_WARNING((AE_INFO,
+                             "Large Reference Count (%X) in object %p", count,
+                             object));
        }
-
-       return;
 }
 
 /*******************************************************************************
@@ -405,7 +411,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
  ******************************************************************************/
 
 acpi_status
-acpi_ut_update_object_reference(union acpi_operand_object * object, u16 action)
+acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
 {
        acpi_status status = AE_OK;
        union acpi_generic_state *state_list = NULL;
@@ -413,9 +419,10 @@ acpi_ut_update_object_reference(union acpi_operand_object * object, u16 action)
        union acpi_generic_state *state;
        acpi_native_uint i;
 
-       ACPI_FUNCTION_TRACE_PTR("ut_update_object_reference", object);
+       ACPI_FUNCTION_TRACE_PTR(ut_update_object_reference, object);
 
        while (object) {
+
                /* Make sure that this isn't a namespace handle */
 
                if (ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_NAMED) {
@@ -508,11 +515,11 @@ acpi_ut_update_object_reference(union acpi_operand_object * object, u16 action)
 
                case ACPI_TYPE_REGION:
                default:
-                       break;  /* No subobjects */
+                       break;  /* No subobjects for all other types */
                }
 
                /*
-                * Now we can update the count in the main object.  This can only
+                * Now we can update the count in the main object. This can only
                 * happen after we update the sub-objects in case this causes the
                 * main object to be deleted.
                 */
@@ -535,8 +542,8 @@ acpi_ut_update_object_reference(union acpi_operand_object * object, u16 action)
 
       error_exit:
 
-       ACPI_REPORT_ERROR(("Could not update object reference count, %s\n",
-                          acpi_format_exception(status)));
+       ACPI_EXCEPTION((AE_INFO, status,
+                       "Could not update object reference count"));
 
        return_ACPI_STATUS(status);
 }
@@ -557,7 +564,7 @@ acpi_ut_update_object_reference(union acpi_operand_object * object, u16 action)
 void acpi_ut_add_reference(union acpi_operand_object *object)
 {
 
-       ACPI_FUNCTION_TRACE_PTR("ut_add_reference", object);
+       ACPI_FUNCTION_TRACE_PTR(ut_add_reference, object);
 
        /* Ensure that we have a valid object */
 
@@ -590,11 +597,11 @@ void acpi_ut_add_reference(union acpi_operand_object *object)
 void acpi_ut_remove_reference(union acpi_operand_object *object)
 {
 
-       ACPI_FUNCTION_TRACE_PTR("ut_remove_reference", object);
+       ACPI_FUNCTION_TRACE_PTR(ut_remove_reference, object);
 
        /*
-        * Allow a NULL pointer to be passed in, just ignore it.  This saves
-        * each caller from having to check.  Also, ignore NS nodes.
+        * Allow a NULL pointer to be passed in, just ignore it. This saves
+        * each caller from having to check. Also, ignore NS nodes.
         *
         */
        if (!object ||
@@ -614,7 +621,7 @@ void acpi_ut_remove_reference(union acpi_operand_object *object)
 
        /*
         * Decrement the reference count, and only actually delete the object
-        * if the reference count becomes 0.  (Must also decrement the ref count
+        * if the reference count becomes 0. (Must also decrement the ref count
         * of all subobjects!)
         */
        (void)acpi_ut_update_object_reference(object, REF_DECREMENT);