3 files changed, 34 insertions, 42 deletions

diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index 67b9f325c6fa..38ebe1c54330 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -155,21 +155,30 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
         case ACPI_TYPE_MUTEX:
 
                 ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-                                  "***** Mutex %p, Semaphore %p\n",
-                                  object, object->mutex.semaphore));
+                                  "***** Mutex %p, OS Mutex %p\n",
+                                  object, object->mutex.os_mutex));
 
-                acpi_ex_unlink_mutex(object);
-                (void)acpi_os_delete_semaphore(object->mutex.semaphore);
+                if (object->mutex.os_mutex != ACPI_GLOBAL_LOCK) {
+                        acpi_ex_unlink_mutex(object);
+                        acpi_os_delete_mutex(object->mutex.os_mutex);
+                } else {
+                        /* Global Lock "mutex" is actually a counting semaphore */
+
+                        (void)
+                            acpi_os_delete_semaphore
+                            (acpi_gbl_global_lock_semaphore);
+                        acpi_gbl_global_lock_semaphore = NULL;
+                }
                 break;
 
         case ACPI_TYPE_EVENT:
 
                 ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
-                                  "***** Event %p, Semaphore %p\n",
-                                  object, object->event.semaphore));
+                                  "***** Event %p, OS Semaphore %p\n",
+                                  object, object->event.os_semaphore));
 
-                (void)acpi_os_delete_semaphore(object->event.semaphore);
-                object->event.semaphore = NULL;
+                (void)acpi_os_delete_semaphore(object->event.os_semaphore);
+                object->event.os_semaphore = NULL;
                 break;
 
         case ACPI_TYPE_METHOD:
@@ -177,12 +186,13 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
                 ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
                                   "***** Method %p\n", object));
 
-                /* Delete the method semaphore if it exists */
+                /* Delete the method mutex if it exists */
 
-                if (object->method.semaphore) {
-                        (void)acpi_os_delete_semaphore(object->method.
-                                                       semaphore);
-                        object->method.semaphore = NULL;
+                if (object->method.mutex) {
+                        acpi_os_delete_mutex(object->method.mutex->mutex.
+                                             os_mutex);
+                        acpi_ut_delete_object_desc(object->method.mutex);
+                        object->method.mutex = NULL;
                 }
                 break;
 
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index e5999c65c0b8..014030af8b50 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -794,6 +794,7 @@ void acpi_ut_init_globals(void)
 
         /* Global Lock support */
 
+        acpi_gbl_global_lock_semaphore = NULL;
         acpi_gbl_global_lock_acquired = FALSE;
         acpi_gbl_global_lock_thread_count = 0;
         acpi_gbl_global_lock_handle = 0;
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c
index 25eb34369afa..dfc8f30ca892 100644
--- a/drivers/acpi/utilities/utmutex.c
+++ b/drivers/acpi/utilities/utmutex.c
@@ -82,12 +82,9 @@ acpi_status acpi_ut_mutex_initialize(void)
 
         /* Create the spinlocks for use at interrupt level */
 
-        status = acpi_os_create_lock(&acpi_gbl_gpe_lock);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
+        spin_lock_init(acpi_gbl_gpe_lock);
+        spin_lock_init(acpi_gbl_hardware_lock);
 
-        status = acpi_os_create_lock(&acpi_gbl_hardware_lock);
         return_ACPI_STATUS(status);
 }
 
@@ -146,9 +143,8 @@ static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id)
         }
 
         if (!acpi_gbl_mutex_info[mutex_id].mutex) {
-                status = acpi_os_create_semaphore(1, 1,
-                                                  &acpi_gbl_mutex_info
-                                                  [mutex_id].mutex);
+                status =
+                    acpi_os_create_mutex(&acpi_gbl_mutex_info[mutex_id].mutex);
                 acpi_gbl_mutex_info[mutex_id].thread_id =
                     ACPI_MUTEX_NOT_ACQUIRED;
                 acpi_gbl_mutex_info[mutex_id].use_count = 0;
@@ -171,7 +167,6 @@ static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id)
 
 static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id)
 {
-        acpi_status status;
 
         ACPI_FUNCTION_TRACE_U32(ut_delete_mutex, mutex_id);
 
@@ -179,12 +174,12 @@ static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id)
                 return_ACPI_STATUS(AE_BAD_PARAMETER);
         }
 
-        status = acpi_os_delete_semaphore(acpi_gbl_mutex_info[mutex_id].mutex);
+        acpi_os_delete_mutex(acpi_gbl_mutex_info[mutex_id].mutex);
 
         acpi_gbl_mutex_info[mutex_id].mutex = NULL;
         acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
 
-        return_ACPI_STATUS(status);
+        return_ACPI_STATUS(AE_OK);
 }
 
 /*******************************************************************************
@@ -251,8 +246,8 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
                           "Thread %X attempting to acquire Mutex [%s]\n",
                           this_thread_id, acpi_ut_get_mutex_name(mutex_id)));
 
-        status = acpi_os_wait_semaphore(acpi_gbl_mutex_info[mutex_id].mutex,
-                                        1, ACPI_WAIT_FOREVER);
+        status = acpi_os_acquire_mutex(acpi_gbl_mutex_info[mutex_id].mutex,
+                                       ACPI_WAIT_FOREVER);
         if (ACPI_SUCCESS(status)) {
                 ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
                                   "Thread %X acquired Mutex [%s]\n",
@@ -284,7 +279,6 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
 
 acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
 {
-        acpi_status status;
         acpi_thread_id this_thread_id;
 
         ACPI_FUNCTION_NAME(ut_release_mutex);
@@ -340,19 +334,6 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
 
         acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
 
-        status =
-            acpi_os_signal_semaphore(acpi_gbl_mutex_info[mutex_id].mutex, 1);
-
-        if (ACPI_FAILURE(status)) {
-                ACPI_EXCEPTION((AE_INFO, status,
-                                "Thread %X could not release Mutex [%X]",
-                                this_thread_id, mutex_id));
-        } else {
-                ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
-                                  "Thread %X released Mutex [%s]\n",
-                                  this_thread_id,
-                                  acpi_ut_get_mutex_name(mutex_id)));
-        }
-
-        return (status);
+        acpi_os_release_mutex(acpi_gbl_mutex_info[mutex_id].mutex);
+        return (AE_OK);
 }