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path: root/drivers/acpi/utilities
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-rw-r--r--drivers/acpi/utilities/utcache.c12
-rw-r--r--drivers/acpi/utilities/utdebug.c169
-rw-r--r--drivers/acpi/utilities/utdelete.c98
-rw-r--r--drivers/acpi/utilities/utglobal.c72
-rw-r--r--drivers/acpi/utilities/utmisc.c94
-rw-r--r--drivers/acpi/utilities/utmutex.c10
6 files changed, 235 insertions, 220 deletions
diff --git a/drivers/acpi/utilities/utcache.c b/drivers/acpi/utilities/utcache.c
index 07588812e72..c0df0585c68 100644
--- a/drivers/acpi/utilities/utcache.c
+++ b/drivers/acpi/utilities/utcache.c
@@ -74,6 +74,9 @@ acpi_os_create_cache (
struct acpi_memory_list *cache;
+ ACPI_FUNCTION_ENTRY ();
+
+
if (!cache_name || !return_cache || (object_size < 16)) {
return (AE_BAD_PARAMETER);
}
@@ -161,7 +164,10 @@ acpi_os_delete_cache (
acpi_status status;
- /* Purge all objects in the cache */
+ ACPI_FUNCTION_ENTRY ();
+
+
+ /* Purge all objects in the cache */
status = acpi_os_purge_cache (cache);
if (ACPI_FAILURE (status)) {
@@ -259,7 +265,7 @@ acpi_os_acquire_object (
void *object;
- ACPI_FUNCTION_NAME ("ut_acquire_from_cache");
+ ACPI_FUNCTION_NAME ("os_acquire_object");
if (!cache) {
@@ -286,7 +292,7 @@ acpi_os_acquire_object (
ACPI_MEM_TRACKING (cache->hits++);
ACPI_MEM_TRACKING (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "Object %p from %s\n", object, cache->list_name)));
+ "Object %p from %s cache\n", object, cache->list_name)));
status = acpi_ut_release_mutex (ACPI_MTX_CACHES);
if (ACPI_FAILURE (status)) {
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index 08362f686ec..3d5fbc810b0 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -116,10 +116,9 @@ acpi_ut_track_stack_ptr (
*
* PARAMETERS: requested_debug_level - Requested debug print level
* line_number - Caller's line number (for error output)
- * dbg_info - Contains:
- * proc_name - Caller's procedure name
- * module_name - Caller's module name
- * component_id - Caller's component ID
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
* Format - Printf format field
* ... - Optional printf arguments
*
@@ -134,7 +133,9 @@ void ACPI_INTERNAL_VAR_XFACE
acpi_ut_debug_print (
u32 requested_debug_level,
u32 line_number,
- struct acpi_debug_print_info *dbg_info,
+ char *function_name,
+ char *module_name,
+ u32 component_id,
char *format,
...)
{
@@ -146,7 +147,7 @@ acpi_ut_debug_print (
* Stay silent if the debug level or component ID is disabled
*/
if (!(requested_debug_level & acpi_dbg_level) ||
- !(dbg_info->component_id & acpi_dbg_layer)) {
+ !(component_id & acpi_dbg_layer)) {
return;
}
@@ -169,14 +170,14 @@ acpi_ut_debug_print (
* Display the module name, current line number, thread ID (if requested),
* current procedure nesting level, and the current procedure name
*/
- acpi_os_printf ("%8s-%04ld ", dbg_info->module_name, line_number);
+ acpi_os_printf ("%8s-%04ld ", module_name, line_number);
if (ACPI_LV_THREADS & acpi_dbg_level) {
acpi_os_printf ("[%04lX] ", thread_id);
}
acpi_os_printf ("[%02ld] %-22.22s: ",
- acpi_gbl_nesting_level, dbg_info->proc_name);
+ acpi_gbl_nesting_level, function_name);
va_start (args, format);
acpi_os_vprintf (format, args);
@@ -190,10 +191,9 @@ EXPORT_SYMBOL(acpi_ut_debug_print);
*
* PARAMETERS: requested_debug_level - Requested debug print level
* line_number - Caller's line number
- * dbg_info - Contains:
- * proc_name - Caller's procedure name
- * module_name - Caller's module name
- * component_id - Caller's component ID
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
* Format - Printf format field
* ... - Optional printf arguments
*
@@ -208,7 +208,9 @@ void ACPI_INTERNAL_VAR_XFACE
acpi_ut_debug_print_raw (
u32 requested_debug_level,
u32 line_number,
- struct acpi_debug_print_info *dbg_info,
+ char *function_name,
+ char *module_name,
+ u32 component_id,
char *format,
...)
{
@@ -216,7 +218,7 @@ acpi_ut_debug_print_raw (
if (!(requested_debug_level & acpi_dbg_level) ||
- !(dbg_info->component_id & acpi_dbg_layer)) {
+ !(component_id & acpi_dbg_layer)) {
return;
}
@@ -231,10 +233,9 @@ EXPORT_SYMBOL(acpi_ut_debug_print_raw);
* FUNCTION: acpi_ut_trace
*
* PARAMETERS: line_number - Caller's line number
- * dbg_info - Contains:
- * proc_name - Caller's procedure name
- * module_name - Caller's module name
- * component_id - Caller's component ID
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
*
* RETURN: None
*
@@ -246,14 +247,17 @@ EXPORT_SYMBOL(acpi_ut_debug_print_raw);
void
acpi_ut_trace (
u32 line_number,
- struct acpi_debug_print_info *dbg_info)
+ char *function_name,
+ char *module_name,
+ u32 component_id)
{
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr ();
- acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
- "%s\n", acpi_gbl_fn_entry_str);
+ acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name, component_id,
+ "%s\n", acpi_gbl_fn_entry_str);
}
EXPORT_SYMBOL(acpi_ut_trace);
@@ -263,10 +267,9 @@ EXPORT_SYMBOL(acpi_ut_trace);
* FUNCTION: acpi_ut_trace_ptr
*
* PARAMETERS: line_number - Caller's line number
- * dbg_info - Contains:
- * proc_name - Caller's procedure name
- * module_name - Caller's module name
- * component_id - Caller's component ID
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
* Pointer - Pointer to display
*
* RETURN: None
@@ -279,14 +282,17 @@ EXPORT_SYMBOL(acpi_ut_trace);
void
acpi_ut_trace_ptr (
u32 line_number,
- struct acpi_debug_print_info *dbg_info,
+ char *function_name,
+ char *module_name,
+ u32 component_id,
void *pointer)
{
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr ();
- acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
- "%s %p\n", acpi_gbl_fn_entry_str, pointer);
+ acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name, component_id,
+ "%s %p\n", acpi_gbl_fn_entry_str, pointer);
}
@@ -295,10 +301,9 @@ acpi_ut_trace_ptr (
* FUNCTION: acpi_ut_trace_str
*
* PARAMETERS: line_number - Caller's line number
- * dbg_info - Contains:
- * proc_name - Caller's procedure name
- * module_name - Caller's module name
- * component_id - Caller's component ID
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
* String - Additional string to display
*
* RETURN: None
@@ -311,15 +316,18 @@ acpi_ut_trace_ptr (
void
acpi_ut_trace_str (
u32 line_number,
- struct acpi_debug_print_info *dbg_info,
+ char *function_name,
+ char *module_name,
+ u32 component_id,
char *string)
{
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr ();
- acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
- "%s %s\n", acpi_gbl_fn_entry_str, string);
+ acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name, component_id,
+ "%s %s\n", acpi_gbl_fn_entry_str, string);
}
@@ -328,10 +336,9 @@ acpi_ut_trace_str (
* FUNCTION: acpi_ut_trace_u32
*
* PARAMETERS: line_number - Caller's line number
- * dbg_info - Contains:
- * proc_name - Caller's procedure name
- * module_name - Caller's module name
- * component_id - Caller's component ID
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
* Integer - Integer to display
*
* RETURN: None
@@ -344,15 +351,18 @@ acpi_ut_trace_str (
void
acpi_ut_trace_u32 (
u32 line_number,
- struct acpi_debug_print_info *dbg_info,
+ char *function_name,
+ char *module_name,
+ u32 component_id,
u32 integer)
{
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr ();
- acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
- "%s %08X\n", acpi_gbl_fn_entry_str, integer);
+ acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name, component_id,
+ "%s %08X\n", acpi_gbl_fn_entry_str, integer);
}
@@ -361,10 +371,9 @@ acpi_ut_trace_u32 (
* FUNCTION: acpi_ut_exit
*
* PARAMETERS: line_number - Caller's line number
- * dbg_info - Contains:
- * proc_name - Caller's procedure name
- * module_name - Caller's module name
- * component_id - Caller's component ID
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
*
* RETURN: None
*
@@ -376,11 +385,14 @@ acpi_ut_trace_u32 (
void
acpi_ut_exit (
u32 line_number,
- struct acpi_debug_print_info *dbg_info)
+ char *function_name,
+ char *module_name,
+ u32 component_id)
{
- acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
- "%s\n", acpi_gbl_fn_exit_str);
+ acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name, component_id,
+ "%s\n", acpi_gbl_fn_exit_str);
acpi_gbl_nesting_level--;
}
@@ -392,10 +404,9 @@ EXPORT_SYMBOL(acpi_ut_exit);
* FUNCTION: acpi_ut_status_exit
*
* PARAMETERS: line_number - Caller's line number
- * dbg_info - Contains:
- * proc_name - Caller's procedure name
- * module_name - Caller's module name
- * component_id - Caller's component ID
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
* Status - Exit status code
*
* RETURN: None
@@ -408,19 +419,23 @@ EXPORT_SYMBOL(acpi_ut_exit);
void
acpi_ut_status_exit (
u32 line_number,
- struct acpi_debug_print_info *dbg_info,
+ char *function_name,
+ char *module_name,
+ u32 component_id,
acpi_status status)
{
if (ACPI_SUCCESS (status)) {
- acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
- "%s %s\n", acpi_gbl_fn_exit_str,
- acpi_format_exception (status));
+ acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name, component_id,
+ "%s %s\n", acpi_gbl_fn_exit_str,
+ acpi_format_exception (status));
}
else {
- acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
- "%s ****Exception****: %s\n", acpi_gbl_fn_exit_str,
- acpi_format_exception (status));
+ acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name, component_id,
+ "%s ****Exception****: %s\n", acpi_gbl_fn_exit_str,
+ acpi_format_exception (status));
}
acpi_gbl_nesting_level--;
@@ -433,10 +448,9 @@ EXPORT_SYMBOL(acpi_ut_status_exit);
* FUNCTION: acpi_ut_value_exit
*
* PARAMETERS: line_number - Caller's line number
- * dbg_info - Contains:
- * proc_name - Caller's procedure name
- * module_name - Caller's module name
- * component_id - Caller's component ID
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
* Value - Value to be printed with exit msg
*
* RETURN: None
@@ -449,13 +463,16 @@ EXPORT_SYMBOL(acpi_ut_status_exit);
void
acpi_ut_value_exit (
u32 line_number,
- struct acpi_debug_print_info *dbg_info,
+ char *function_name,
+ char *module_name,
+ u32 component_id,
acpi_integer value)
{
- acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
- "%s %8.8X%8.8X\n", acpi_gbl_fn_exit_str,
- ACPI_FORMAT_UINT64 (value));
+ acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name, component_id,
+ "%s %8.8X%8.8X\n", acpi_gbl_fn_exit_str,
+ ACPI_FORMAT_UINT64 (value));
acpi_gbl_nesting_level--;
}
@@ -467,10 +484,9 @@ EXPORT_SYMBOL(acpi_ut_value_exit);
* FUNCTION: acpi_ut_ptr_exit
*
* PARAMETERS: line_number - Caller's line number
- * dbg_info - Contains:
- * proc_name - Caller's procedure name
- * module_name - Caller's module name
- * component_id - Caller's component ID
+ * function_name - Caller's procedure name
+ * module_name - Caller's module name
+ * component_id - Caller's component ID
* Ptr - Pointer to display
*
* RETURN: None
@@ -483,12 +499,15 @@ EXPORT_SYMBOL(acpi_ut_value_exit);
void
acpi_ut_ptr_exit (
u32 line_number,
- struct acpi_debug_print_info *dbg_info,
+ char *function_name,
+ char *module_name,
+ u32 component_id,
u8 *ptr)
{
- acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
- "%s %p\n", acpi_gbl_fn_exit_str, ptr);
+ acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name, component_id,
+ "%s %p\n", acpi_gbl_fn_exit_str, ptr);
acpi_gbl_nesting_level--;
}
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index be97ada23c3..eeafb324c50 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -435,35 +435,24 @@ acpi_ut_update_object_reference (
union acpi_operand_object *object,
u16 action)
{
- acpi_status status;
- u32 i;
- union acpi_generic_state *state_list = NULL;
- union acpi_generic_state *state;
+ acpi_status status = AE_OK;
+ union acpi_generic_state *state_list = NULL;
+ union acpi_operand_object *next_object = NULL;
+ union acpi_generic_state *state;
+ acpi_native_uint i;
ACPI_FUNCTION_TRACE_PTR ("ut_update_object_reference", object);
- /* Ignore a null object ptr */
+ while (object) {
+ /* Make sure that this isn't a namespace handle */
- if (!object) {
- return_ACPI_STATUS (AE_OK);
- }
-
- /* Make sure that this isn't a namespace handle */
-
- if (ACPI_GET_DESCRIPTOR_TYPE (object) == ACPI_DESC_TYPE_NAMED) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
- "Object %p is NS handle\n", object));
- return_ACPI_STATUS (AE_OK);
- }
-
- state = acpi_ut_create_update_state (object, action);
-
- while (state) {
- object = state->update.object;
- action = state->update.value;
- acpi_ut_delete_generic_state (state);
+ if (ACPI_GET_DESCRIPTOR_TYPE (object) == ACPI_DESC_TYPE_NAMED) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+ "Object %p is NS handle\n", object));
+ return_ACPI_STATUS (AE_OK);
+ }
/*
* All sub-objects must have their reference count incremented also.
@@ -476,12 +465,10 @@ acpi_ut_update_object_reference (
acpi_ut_update_ref_count (object->device.device_notify, action);
break;
-
case ACPI_TYPE_PACKAGE:
-
/*
- * We must update all the sub-objects of the package
- * (Each of whom may have their own sub-objects, etc.
+ * We must update all the sub-objects of the package,
+ * each of whom may have their own sub-objects.
*/
for (i = 0; i < object->package.count; i++) {
/*
@@ -497,35 +484,19 @@ acpi_ut_update_object_reference (
}
break;
-
case ACPI_TYPE_BUFFER_FIELD:
- status = acpi_ut_create_update_state_and_push (
- object->buffer_field.buffer_obj, action, &state_list);
- if (ACPI_FAILURE (status)) {
- goto error_exit;
- }
+ next_object = object->buffer_field.buffer_obj;
break;
-
case ACPI_TYPE_LOCAL_REGION_FIELD:
- status = acpi_ut_create_update_state_and_push (
- object->field.region_obj, action, &state_list);
- if (ACPI_FAILURE (status)) {
- goto error_exit;
- }
- break;
-
+ next_object = object->field.region_obj;
+ break;
case ACPI_TYPE_LOCAL_BANK_FIELD:
- status = acpi_ut_create_update_state_and_push (
- object->bank_field.bank_obj, action, &state_list);
- if (ACPI_FAILURE (status)) {
- goto error_exit;
- }
-
+ next_object = object->bank_field.bank_obj;
status = acpi_ut_create_update_state_and_push (
object->bank_field.region_obj, action, &state_list);
if (ACPI_FAILURE (status)) {
@@ -533,15 +504,9 @@ acpi_ut_update_object_reference (
}
break;
-
case ACPI_TYPE_LOCAL_INDEX_FIELD:
- status = acpi_ut_create_update_state_and_push (
- object->index_field.index_obj, action, &state_list);
- if (ACPI_FAILURE (status)) {
- goto error_exit;
- }
-
+ next_object = object->index_field.index_obj;
status = acpi_ut_create_update_state_and_push (
object->index_field.data_obj, action, &state_list);
if (ACPI_FAILURE (status)) {
@@ -549,28 +514,19 @@ acpi_ut_update_object_reference (
}
break;
-
case ACPI_TYPE_LOCAL_REFERENCE:
-
/*
* The target of an Index (a package, string, or buffer) must track
* changes to the ref count of the index.
*/
if (object->reference.opcode == AML_INDEX_OP) {
- status = acpi_ut_create_update_state_and_push (
- object->reference.object, action, &state_list);
- if (ACPI_FAILURE (status)) {
- goto error_exit;
- }
+ next_object = object->reference.object;
}
break;
-
case ACPI_TYPE_REGION:
default:
-
- /* No subobjects */
- break;
+ break;/* No subobjects */
}
/*
@@ -579,15 +535,23 @@ acpi_ut_update_object_reference (
* main object to be deleted.
*/
acpi_ut_update_ref_count (object, action);
+ object = NULL;
/* Move on to the next object to be updated */
- state = acpi_ut_pop_generic_state (&state_list);
+ if (next_object) {
+ object = next_object;
+ next_object = NULL;
+ }
+ else if (state_list) {
+ state = acpi_ut_pop_generic_state (&state_list);
+ object = state->update.object;
+ acpi_ut_delete_generic_state (state);
+ }
}
return_ACPI_STATUS (AE_OK);
-
error_exit:
ACPI_REPORT_ERROR (("Could not update object reference count, %s\n",
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 8653dda4f81..0e4161c8107 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -738,73 +738,6 @@ acpi_ut_valid_object_type (
/*******************************************************************************
*
- * FUNCTION: acpi_ut_allocate_owner_id
- *
- * PARAMETERS: id_type - Type of ID (method or table)
- *
- * DESCRIPTION: Allocate a table or method owner id
- *
- * NOTE: this algorithm has a wraparound problem at 64_k method invocations, and
- * should be revisited (TBD)
- *
- ******************************************************************************/
-
-acpi_owner_id
-acpi_ut_allocate_owner_id (
- u32 id_type)
-{
- acpi_owner_id owner_id = 0xFFFF;
-
-
- ACPI_FUNCTION_TRACE ("ut_allocate_owner_id");
-
-
- if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES)))
- {
- return (0);
- }
-
- switch (id_type)
- {
- case ACPI_OWNER_TYPE_TABLE:
-
- owner_id = acpi_gbl_next_table_owner_id;
- acpi_gbl_next_table_owner_id++;
-
- /* Check for wraparound */
-
- if (acpi_gbl_next_table_owner_id == ACPI_FIRST_METHOD_ID)
- {
- acpi_gbl_next_table_owner_id = ACPI_FIRST_TABLE_ID;
- ACPI_REPORT_WARNING (("Table owner ID wraparound\n"));
- }
- break;
-
-
- case ACPI_OWNER_TYPE_METHOD:
-
- owner_id = acpi_gbl_next_method_owner_id;
- acpi_gbl_next_method_owner_id++;
-
- if (acpi_gbl_next_method_owner_id == ACPI_FIRST_TABLE_ID)
- {
- /* Check for wraparound */
-
- acpi_gbl_next_method_owner_id = ACPI_FIRST_METHOD_ID;
- }
- break;
-
- default:
- break;
- }
-
- (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
- return_VALUE (owner_id);
-}
-
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ut_init_globals
*
* PARAMETERS: None
@@ -848,7 +781,7 @@ acpi_ut_init_globals (
for (i = 0; i < NUM_MUTEX; i++)
{
acpi_gbl_mutex_info[i].mutex = NULL;
- acpi_gbl_mutex_info[i].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
+ acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
acpi_gbl_mutex_info[i].use_count = 0;
}
@@ -889,8 +822,7 @@ acpi_ut_init_globals (
acpi_gbl_ns_lookup_count = 0;
acpi_gbl_ps_find_count = 0;
acpi_gbl_acpi_hardware_present = TRUE;
- acpi_gbl_next_table_owner_id = ACPI_FIRST_TABLE_ID;
- acpi_gbl_next_method_owner_id = ACPI_FIRST_METHOD_ID;
+ acpi_gbl_owner_id_mask = 0;
acpi_gbl_debugger_configuration = DEBUGGER_THREADING;
acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT;
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index 207c836aec6..df715cd8910 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -52,6 +52,100 @@
/*******************************************************************************
*
+ * FUNCTION: acpi_ut_allocate_owner_id
+ *
+ * PARAMETERS: owner_id - Where the new owner ID is returned
+ *
+ * DESCRIPTION: Allocate a table or method owner id
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_allocate_owner_id (
+ acpi_owner_id *owner_id)
+{
+ acpi_native_uint i;
+ acpi_status status;
+
+
+ ACPI_FUNCTION_TRACE ("ut_allocate_owner_id");
+
+
+ status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
+ if (ACPI_FAILURE (status)) {
+ return_ACPI_STATUS (status);
+ }
+
+ /* Find a free owner ID */
+
+ for (i = 0; i < 32; i++) {
+ if (!(acpi_gbl_owner_id_mask & (1 << i))) {
+ acpi_gbl_owner_id_mask |= (1 << i);
+ *owner_id = (acpi_owner_id) i;
+ goto exit;
+ }
+ }
+
+ /*
+ * If we are here, all owner_ids have been allocated. This probably should
+ * not happen since the IDs are reused after deallocation. The IDs are
+ * allocated upon table load (one per table) and method execution, and
+ * they are released when a table is unloaded or a method completes
+ * execution.
+ */
+ status = AE_OWNER_ID_LIMIT;
+ ACPI_REPORT_ERROR ((
+ "Could not allocate new owner_id (32 max), AE_OWNER_ID_LIMIT\n"));
+
+exit:
+ (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
+ return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_release_owner_id
+ *
+ * PARAMETERS: owner_id - A previously allocated owner ID
+ *
+ * DESCRIPTION: Release a table or method owner id
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_release_owner_id (
+ acpi_owner_id owner_id)
+{
+ acpi_status status;
+
+
+ ACPI_FUNCTION_TRACE ("ut_release_owner_id");
+
+
+ status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
+ if (ACPI_FAILURE (status)) {
+ return_ACPI_STATUS (status);
+ }
+
+ /* Free the owner ID */
+
+ if (acpi_gbl_owner_id_mask & (1 << owner_id)) {
+ acpi_gbl_owner_id_mask ^= (1 << owner_id);
+ }
+ else {
+ /* This owner_id has not been allocated */
+
+ status = AE_NOT_EXIST;
+ }
+
+ (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
+ return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ut_strupr (strupr)
*
* PARAMETERS: src_string - The source string to convert
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c
index a80b97cb2e5..0699b6be62b 100644
--- a/drivers/acpi/utilities/utmutex.c
+++ b/drivers/acpi/utilities/utmutex.c
@@ -159,7 +159,7 @@ acpi_ut_create_mutex (
if (!acpi_gbl_mutex_info[mutex_id].mutex) {
status = acpi_os_create_semaphore (1, 1,
&acpi_gbl_mutex_info[mutex_id].mutex);
- acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
+ acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
acpi_gbl_mutex_info[mutex_id].use_count = 0;
}
@@ -196,7 +196,7 @@ acpi_ut_delete_mutex (
status = acpi_os_delete_semaphore (acpi_gbl_mutex_info[mutex_id].mutex);
acpi_gbl_mutex_info[mutex_id].mutex = NULL;
- acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
+ acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
return_ACPI_STATUS (status);
}
@@ -274,7 +274,7 @@ acpi_ut_acquire_mutex (
this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
acpi_gbl_mutex_info[mutex_id].use_count++;
- acpi_gbl_mutex_info[mutex_id].owner_id = this_thread_id;
+ acpi_gbl_mutex_info[mutex_id].thread_id = this_thread_id;
}
else {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
@@ -322,7 +322,7 @@ acpi_ut_release_mutex (
/*
* Mutex must be acquired in order to release it!
*/
- if (acpi_gbl_mutex_info[mutex_id].owner_id == ACPI_MUTEX_NOT_ACQUIRED) {
+ if (acpi_gbl_mutex_info[mutex_id].thread_id == ACPI_MUTEX_NOT_ACQUIRED) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Mutex [%s] is not acquired, cannot release\n",
acpi_ut_get_mutex_name (mutex_id)));
@@ -359,7 +359,7 @@ acpi_ut_release_mutex (
/* Mark unlocked FIRST */
- acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
+ 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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-25 16:59:16 +0000