diff options
Diffstat (limited to 'drivers/acpi/acpica/nsobject.c')
| -rw-r--r-- | drivers/acpi/acpica/nsobject.c | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/drivers/acpi/acpica/nsobject.c b/drivers/acpi/acpica/nsobject.c index 60f3af08d28..fe54a8c73b8 100644 --- a/drivers/acpi/acpica/nsobject.c +++ b/drivers/acpi/acpica/nsobject.c @@ -6,7 +6,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2008, Intel Corp. + * Copyright (C) 2000 - 2014, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -53,15 +53,15 @@ ACPI_MODULE_NAME("nsobject") * * FUNCTION: acpi_ns_attach_object * - * PARAMETERS: Node - Parent Node - * Object - Object to be attached - * Type - Type of object, or ACPI_TYPE_ANY if not + * PARAMETERS: node - Parent Node + * object - Object to be attached + * type - Type of object, or ACPI_TYPE_ANY if not * known * * RETURN: Status * * DESCRIPTION: Record the given object as the value associated with the - * name whose acpi_handle is passed. If Object is NULL + * name whose acpi_handle is passed. If Object is NULL * and Type is ACPI_TYPE_ANY, set the name as having no value. * Note: Future may require that the Node->Flags field be passed * as a parameter. @@ -133,7 +133,7 @@ acpi_ns_attach_object(struct acpi_namespace_node *node, ((struct acpi_namespace_node *)object)->object) { /* * Value passed is a name handle and that name has a - * non-null value. Use that name's value and type. + * non-null value. Use that name's value and type. */ obj_desc = ((struct acpi_namespace_node *)object)->object; object_type = ((struct acpi_namespace_node *)object)->type; @@ -191,7 +191,7 @@ acpi_ns_attach_object(struct acpi_namespace_node *node, * * FUNCTION: acpi_ns_detach_object * - * PARAMETERS: Node - A Namespace node whose object will be detached + * PARAMETERS: node - A Namespace node whose object will be detached * * RETURN: None. * @@ -222,13 +222,19 @@ void acpi_ns_detach_object(struct acpi_namespace_node *node) } } - /* Clear the entry in all cases */ + /* Clear the Node entry in all cases */ node->object = NULL; if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_OPERAND) { + + /* Unlink object from front of possible object list */ + node->object = obj_desc->common.next_object; + + /* Handle possible 2-descriptor object */ + if (node->object && - ((node->object)->common.type != ACPI_TYPE_LOCAL_DATA)) { + (node->object->common.type != ACPI_TYPE_LOCAL_DATA)) { node->object = node->object->common.next_object; } } @@ -250,7 +256,7 @@ void acpi_ns_detach_object(struct acpi_namespace_node *node) * * FUNCTION: acpi_ns_get_attached_object * - * PARAMETERS: Node - Namespace node + * PARAMETERS: node - Namespace node * * RETURN: Current value of the object field from the Node whose * handle is passed @@ -285,7 +291,7 @@ union acpi_operand_object *acpi_ns_get_attached_object(struct * * FUNCTION: acpi_ns_get_secondary_object * - * PARAMETERS: Node - Namespace node + * PARAMETERS: node - Namespace node * * RETURN: Current value of the object field from the Node whose * handle is passed. @@ -315,13 +321,13 @@ union acpi_operand_object *acpi_ns_get_secondary_object(union * * FUNCTION: acpi_ns_attach_data * - * PARAMETERS: Node - Namespace node - * Handler - Handler to be associated with the data - * Data - Data to be attached + * PARAMETERS: node - Namespace node + * handler - Handler to be associated with the data + * data - Data to be attached * * RETURN: Status * - * DESCRIPTION: Low-level attach data. Create and attach a Data object. + * DESCRIPTION: Low-level attach data. Create and attach a Data object. * ******************************************************************************/ @@ -372,12 +378,12 @@ acpi_ns_attach_data(struct acpi_namespace_node *node, * * FUNCTION: acpi_ns_detach_data * - * PARAMETERS: Node - Namespace node - * Handler - Handler associated with the data + * PARAMETERS: node - Namespace node + * handler - Handler associated with the data * * RETURN: Status * - * DESCRIPTION: Low-level detach data. Delete the data node, but the caller + * DESCRIPTION: Low-level detach data. Delete the data node, but the caller * is responsible for the actual data. * ******************************************************************************/ @@ -416,9 +422,9 @@ acpi_ns_detach_data(struct acpi_namespace_node * node, * * FUNCTION: acpi_ns_get_attached_data * - * PARAMETERS: Node - Namespace node - * Handler - Handler associated with the data - * Data - Where the data is returned + * PARAMETERS: node - Namespace node + * handler - Handler associated with the data + * data - Where the data is returned * * RETURN: Status * |