ACPICA: Add debug print message for mutex objects that are force-released

At control method termination, any currently acquired mutex
objects are force-released. Add a new message for each one that
is released.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c
index 4723974a4cf5..d1f449d93dcf 100644
--- a/drivers/acpi/acpica/exmutex.c
+++ b/drivers/acpi/acpica/exmutex.c
@@ -461,7 +461,7 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread)
         union acpi_operand_object *next = thread->acquired_mutex_list;
         union acpi_operand_object *obj_desc;
 
-        ACPI_FUNCTION_ENTRY();
+        ACPI_FUNCTION_NAME(ex_release_all_mutexes);
 
         /* Traverse the list of owned mutexes, releasing each one */
 
@@ -473,6 +473,10 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread)
                 obj_desc->mutex.next = NULL;
                 obj_desc->mutex.acquisition_depth = 0;
 
+                ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+                                  "Force-releasing held mutex: %p\n",
+                                  obj_desc));
+
                 /* Release the mutex, special case for Global Lock */
 
                 if (obj_desc == acpi_gbl_global_lock_mutex) {