ACPICA: Reference count: add additional debugging details

Make reference counting diagnostics provide more information on
what has happened.

Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
index 118f3ff1fbb55bd9a1f98ac19c455f299fd38cde..8cc4392c61f33aea636251426e263b7017613498 100644 (file)
--- a/drivers/acpi/acpica/utdelete.c
+++ b/drivers/acpi/acpica/utdelete.c
@@ -355,6 +355,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
        u16 original_count;
        u16 new_count = 0;
        acpi_cpu_flags lock_flags;
+       char *message;
 
        ACPI_FUNCTION_NAME(ut_update_ref_count);
 
@@ -391,6 +392,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
                                  object, object->common.type,
                                  acpi_ut_get_object_type_name(object),
                                  new_count));
+               message = "Incremement";
                break;
 
        case REF_DECREMENT:
@@ -420,6 +422,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
                if (new_count == 0) {
                        acpi_ut_delete_internal_obj(object);
                }
+               message = "Decrement";
                break;
 
        default:
@@ -436,8 +439,8 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
         */
        if (new_count > ACPI_MAX_REFERENCE_COUNT) {
                ACPI_WARNING((AE_INFO,
-                             "Large Reference Count (0x%X) in object %p, Type=0x%.2X",
-                             new_count, object, object->common.type));
+                             "Large Reference Count (0x%X) in object %p, Type=0x%.2X Operation=%s",
+                             new_count, object, object->common.type, message));
        }
 }