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>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
index 118f3ff1fbb5..8cc4392c61f3 100644
--- 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));
         }
 }