diff options
Diffstat (limited to 'drivers/acpi/acpica/nsinit.c')
| -rw-r--r-- | drivers/acpi/acpica/nsinit.c | 76 |
1 files changed, 56 insertions, 20 deletions
diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c index 77f2b5f4948ad..d77257d1c827b 100644 --- a/drivers/acpi/acpica/nsinit.c +++ b/drivers/acpi/acpica/nsinit.c @@ -242,6 +242,58 @@ error_exit: /******************************************************************************* * + * FUNCTION: acpi_ns_init_one_package + * + * PARAMETERS: obj_handle - Node + * level - Current nesting level + * context - Not used + * return_value - Not used + * + * RETURN: Status + * + * DESCRIPTION: Callback from acpi_walk_namespace. Invoked for every package + * within the namespace. Used during dynamic load of an SSDT. + * + ******************************************************************************/ + +acpi_status +acpi_ns_init_one_package(acpi_handle obj_handle, + u32 level, void *context, void **return_value) +{ + acpi_status status; + union acpi_operand_object *obj_desc; + struct acpi_namespace_node *node = + (struct acpi_namespace_node *)obj_handle; + + obj_desc = acpi_ns_get_attached_object(node); + if (!obj_desc) { + return (AE_OK); + } + + /* Exit if package is already initialized */ + + if (obj_desc->package.flags & AOPOBJ_DATA_VALID) { + return (AE_OK); + } + + status = acpi_ds_get_package_arguments(obj_desc); + if (ACPI_FAILURE(status)) { + return (AE_OK); + } + + status = + acpi_ut_walk_package_tree(obj_desc, NULL, + acpi_ds_init_package_element, NULL); + if (ACPI_FAILURE(status)) { + return (AE_OK); + } + + obj_desc->package.flags |= AOPOBJ_DATA_VALID; + return (AE_OK); +} + +/******************************************************************************* + * * FUNCTION: acpi_ns_init_one_object * * PARAMETERS: obj_handle - Node @@ -360,27 +412,11 @@ acpi_ns_init_one_object(acpi_handle obj_handle, case ACPI_TYPE_PACKAGE: - info->package_init++; - status = acpi_ds_get_package_arguments(obj_desc); - if (ACPI_FAILURE(status)) { - break; - } - - ACPI_DEBUG_PRINT_RAW((ACPI_DB_PARSE, - "%s: Completing resolution of Package elements\n", - ACPI_GET_FUNCTION_NAME)); + /* Complete the initialization/resolution of the package object */ - /* - * Resolve all named references in package objects (and all - * sub-packages). This action has been deferred until the entire - * namespace has been loaded, in order to support external and - * forward references from individual package elements (05/2017). - */ - status = acpi_ut_walk_package_tree(obj_desc, NULL, - acpi_ds_init_package_element, - NULL); - - obj_desc->package.flags |= AOPOBJ_DATA_VALID; + info->package_init++; + status = + acpi_ns_init_one_package(obj_handle, level, NULL, NULL); break; default: |