diff options
Diffstat (limited to 'drivers/acpi/acpica/nsaccess.c')
| -rw-r--r-- | drivers/acpi/acpica/nsaccess.c | 54 |
1 files changed, 25 insertions, 29 deletions
diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c index 88303ebe924c..9c3cdbe2d82a 100644 --- a/drivers/acpi/acpica/nsaccess.c +++ b/drivers/acpi/acpica/nsaccess.c @@ -118,9 +118,8 @@ acpi_status acpi_ns_root_initialize(void) } /* - * Name entered successfully. - * If entry in pre_defined_names[] specifies an - * initial value, create the initial value. + * Name entered successfully. If entry in pre_defined_names[] specifies + * an initial value, create the initial value. */ if (init_val->val) { status = acpi_os_predefined_override(init_val, &val); @@ -178,9 +177,8 @@ acpi_status acpi_ns_root_initialize(void) case ACPI_TYPE_STRING: - /* - * Build an object around the static string - */ + /* Build an object around the static string */ + obj_desc->string.length = (u32) ACPI_STRLEN(val); obj_desc->string.pointer = val; @@ -234,8 +232,7 @@ acpi_status acpi_ns_root_initialize(void) /* Store pointer to value descriptor in the Node */ status = acpi_ns_attach_object(new_node, obj_desc, - ACPI_GET_OBJECT_TYPE - (obj_desc)); + obj_desc->common.type); /* Remove local reference to the object */ @@ -315,10 +312,8 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, return_ACPI_STATUS(AE_NO_NAMESPACE); } - /* - * Get the prefix scope. - * A null scope means use the root scope - */ + /* Get the prefix scope. A null scope means use the root scope */ + if ((!scope_info) || (!scope_info->scope.node)) { ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "Null scope prefix, using root node (%p)\n", @@ -338,8 +333,8 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, if (!(flags & ACPI_NS_PREFIX_IS_SCOPE)) { /* * This node might not be a actual "scope" node (such as a - * Device/Method, etc.) It could be a Package or other object node. - * Backup up the tree to find the containing scope node. + * Device/Method, etc.) It could be a Package or other object + * node. Backup up the tree to find the containing scope node. */ while (!acpi_ns_opens_scope(prefix_node->type) && prefix_node->type != ACPI_TYPE_ANY) { @@ -349,7 +344,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, } } - /* Save type TBD: may be no longer necessary */ + /* Save type. TBD: may be no longer necessary */ type_to_check_for = type; @@ -414,6 +409,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, /* Name is fully qualified, no search rules apply */ search_parent_flag = ACPI_NS_NO_UPSEARCH; + /* * Point past this prefix to the name segment * part or the next Parent Prefix @@ -429,7 +425,8 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, /* Current scope has no parent scope */ ACPI_ERROR((AE_INFO, - "ACPI path has too many parent prefixes (^) - reached beyond root node")); + "ACPI path has too many parent prefixes (^) " + "- reached beyond root node")); return_ACPI_STATUS(AE_NOT_FOUND); } } @@ -531,9 +528,9 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, while (num_segments && current_node) { num_segments--; if (!num_segments) { - /* - * This is the last segment, enable typechecking - */ + + /* This is the last segment, enable typechecking */ + this_search_type = type; /* @@ -584,9 +581,9 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, if (num_segments > 0) { /* * If we have an alias to an object that opens a scope (such as a - * device or processor), we need to dereference the alias here so that - * we can access any children of the original node (via the remaining - * segments). + * device or processor), we need to dereference the alias here so + * that we can access any children of the original node (via the + * remaining segments). */ if (this_node->type == ACPI_TYPE_LOCAL_ALIAS) { if (!this_node->object) { @@ -594,8 +591,8 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, } if (acpi_ns_opens_scope - (((struct acpi_namespace_node *)this_node-> - object)->type)) { + (((struct acpi_namespace_node *) + this_node->object)->type)) { this_node = (struct acpi_namespace_node *) this_node->object; @@ -639,8 +636,8 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, /* * If this is the last name segment and we are not looking for a - * specific type, but the type of found object is known, use that type - * to (later) see if it opens a scope. + * specific type, but the type of found object is known, use that + * type to (later) see if it opens a scope. */ if (type == ACPI_TYPE_ANY) { type = this_node->type; @@ -653,9 +650,8 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, current_node = this_node; } - /* - * Always check if we need to open a new scope - */ + /* Always check if we need to open a new scope */ + if (!(flags & ACPI_NS_DONT_OPEN_SCOPE) && (walk_state)) { /* * If entry is a type which opens a scope, push the new scope on the |