diff options
Diffstat (limited to 'drivers/acpi/executer/exmutex.c')
| -rw-r--r-- | drivers/acpi/executer/exmutex.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c index f843b22e20b..93098d68cad 100644 --- a/drivers/acpi/executer/exmutex.c +++ b/drivers/acpi/executer/exmutex.c @@ -61,7 +61,7 @@ acpi_ex_link_mutex(union acpi_operand_object *obj_desc, * * RETURN: None * - * DESCRIPTION: Remove a mutex from the "acquired_mutex" list + * DESCRIPTION: Remove a mutex from the "AcquiredMutex" list * ******************************************************************************/ @@ -95,7 +95,7 @@ void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc) * * RETURN: None * - * DESCRIPTION: Add a mutex to the "acquired_mutex" list for this walk + * DESCRIPTION: Add a mutex to the "AcquiredMutex" list for this walk * ******************************************************************************/ @@ -144,7 +144,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, { acpi_status status; - ACPI_FUNCTION_TRACE_PTR("ex_acquire_mutex", obj_desc); + ACPI_FUNCTION_TRACE_PTR(ex_acquire_mutex, obj_desc); if (!obj_desc) { return_ACPI_STATUS(AE_BAD_PARAMETER); @@ -165,7 +165,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, */ if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) { ACPI_ERROR((AE_INFO, - "Cannot acquire Mutex [%4.4s], incorrect sync_level", + "Cannot acquire Mutex [%4.4s], incorrect SyncLevel", acpi_ut_get_node_name(obj_desc->mutex.node))); return_ACPI_STATUS(AE_AML_MUTEX_ORDER); } @@ -173,6 +173,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, /* Support for multiple acquires by the owning thread */ if (obj_desc->mutex.owner_thread) { + /* Special case for Global Lock, allow all threads */ if ((obj_desc->mutex.owner_thread->thread_id == @@ -192,6 +193,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, status = acpi_ex_system_acquire_mutex(time_desc, obj_desc); if (ACPI_FAILURE(status)) { + /* Includes failure from a timeout on time_desc */ return_ACPI_STATUS(status); @@ -232,7 +234,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, { acpi_status status; - ACPI_FUNCTION_TRACE("ex_release_mutex"); + ACPI_FUNCTION_TRACE(ex_release_mutex); if (!obj_desc) { return_ACPI_STATUS(AE_BAD_PARAMETER); @@ -277,7 +279,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, */ if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) { ACPI_ERROR((AE_INFO, - "Cannot release Mutex [%4.4s], incorrect sync_level", + "Cannot release Mutex [%4.4s], incorrect SyncLevel", acpi_ut_get_node_name(obj_desc->mutex.node))); return_ACPI_STATUS(AE_AML_MUTEX_ORDER); } @@ -286,6 +288,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, obj_desc->mutex.acquisition_depth--; if (obj_desc->mutex.acquisition_depth != 0) { + /* Just decrement the depth and return */ return_ACPI_STATUS(AE_OK); |