diff options
Diffstat (limited to 'drivers/acpi/utilities')
-rw-r--r-- | drivers/acpi/utilities/utcache.c | 12 | ||||
-rw-r--r-- | drivers/acpi/utilities/utdebug.c | 169 | ||||
-rw-r--r-- | drivers/acpi/utilities/utdelete.c | 98 | ||||
-rw-r--r-- | drivers/acpi/utilities/utglobal.c | 72 | ||||
-rw-r--r-- | drivers/acpi/utilities/utmisc.c | 94 | ||||
-rw-r--r-- | drivers/acpi/utilities/utmutex.c | 10 |
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); |