diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h index 46cb5b46d2803fd43bf7691bf0ee065fcf039dfc..94cdc2b8cb9385d6814005933810afd6d81e8d72 100644 --- a/drivers/acpi/acpica/acnamesp.h +++ b/drivers/acpi/acpica/acnamesp.h @@ -99,10 +99,19 @@ acpi_ns_walk_namespace(acpi_object_type type, acpi_walk_callback user_function, void *context, void **return_value); -struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type, struct acpi_namespace_node - *parent, struct acpi_namespace_node +struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node + *parent, + struct acpi_namespace_node *child); +struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type, + struct + acpi_namespace_node + *parent, + struct + acpi_namespace_node + *child); + /* * nsparse - table parsing */ diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c index aceb93111967f35a7f0a335c4bcb2798c4d56304..efc971ab7d6512dbc47607bd25d6d976f28ddff6 100644 --- a/drivers/acpi/acpica/nsalloc.c +++ b/drivers/acpi/acpica/nsalloc.c @@ -334,9 +334,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node) /* Get the next node in this scope (NULL if none) */ - child_node = - acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node, - child_node); + child_node = acpi_ns_get_next_node(parent_node, child_node); if (child_node) { /* Found a child node - detach any attached object */ @@ -345,8 +343,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node) /* Check if this node has any children */ - if (acpi_ns_get_next_node - (ACPI_TYPE_ANY, child_node, NULL)) { + if (child_node->child) { /* * There is at least one child of this node, * visit the node @@ -432,9 +429,7 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id) * Get the next child of this parent node. When child_node is NULL, * the first child of the parent is returned */ - child_node = - acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node, - child_node); + child_node = acpi_ns_get_next_node(parent_node, child_node); if (deletion_node) { acpi_ns_delete_children(deletion_node); @@ -452,8 +447,7 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id) /* Check if this node has any children */ - if (acpi_ns_get_next_node - (ACPI_TYPE_ANY, child_node, NULL)) { + if (child_node->child) { /* * There is at least one child of this node, * visit the node diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c index 83e3aa6d4b9b65ddcec28881939908007ae39698..35539df5c75dc965800e555bd1432d8ef11c9767 100644 --- a/drivers/acpi/acpica/nswalk.c +++ b/drivers/acpi/acpica/nswalk.c @@ -52,8 +52,7 @@ ACPI_MODULE_NAME("nswalk") * * FUNCTION: acpi_ns_get_next_node * - * PARAMETERS: Type - Type of node to be searched for - * parent_node - Parent node whose children we are + * PARAMETERS: parent_node - Parent node whose children we are * getting * child_node - Previous child that was found. * The NEXT child will be returned @@ -66,27 +65,68 @@ ACPI_MODULE_NAME("nswalk") * within Scope is returned. * ******************************************************************************/ -struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type, struct acpi_namespace_node - *parent_node, struct acpi_namespace_node +struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node + *parent_node, + struct acpi_namespace_node *child_node) { - struct acpi_namespace_node *next_node = NULL; - ACPI_FUNCTION_ENTRY(); if (!child_node) { /* It's really the parent's _scope_ that we want */ - next_node = parent_node->child; + return parent_node->child; } - else { - /* Start search at the NEXT node */ - - next_node = acpi_ns_get_next_valid_node(child_node); + /* + * Get the next node. + * + * If we are at the end of this peer list, return NULL + */ + if (child_node->flags & ANOBJ_END_OF_PEER_LIST) { + return NULL; } + /* Otherwise just return the next peer */ + + return child_node->peer; +} + +/******************************************************************************* + * + * FUNCTION: acpi_ns_get_next_node_typed + * + * PARAMETERS: Type - Type of node to be searched for + * parent_node - Parent node whose children we are + * getting + * child_node - Previous child that was found. + * The NEXT child will be returned + * + * RETURN: struct acpi_namespace_node - Pointer to the NEXT child or NULL if + * none is found. + * + * DESCRIPTION: Return the next peer node within the namespace. If Handle + * is valid, Scope is ignored. Otherwise, the first node + * within Scope is returned. + * + ******************************************************************************/ + +struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type, + struct + acpi_namespace_node + *parent_node, + struct + acpi_namespace_node + *child_node) +{ + struct acpi_namespace_node *next_node = NULL; + + ACPI_FUNCTION_ENTRY(); + + next_node = acpi_ns_get_next_node(parent_node, child_node); + + /* If any type is OK, we are done */ if (type == ACPI_TYPE_ANY) { @@ -186,9 +226,7 @@ acpi_ns_walk_namespace(acpi_object_type type, /* Get the next node in this scope. Null if not found */ status = AE_OK; - child_node = - acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node, - child_node); + child_node = acpi_ns_get_next_node(parent_node, child_node); if (child_node) { /* Found next child, get the type if we are not searching for ANY */ @@ -269,8 +307,7 @@ acpi_ns_walk_namespace(acpi_object_type type, * function has specified that the maximum depth has been reached. */ if ((level < max_depth) && (status != AE_CTRL_DEPTH)) { - if (acpi_ns_get_next_node - (ACPI_TYPE_ANY, child_node, NULL)) { + if (child_node->child) { /* There is at least one child of this node, visit it */ diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c index 1c7efc15225f6a63dcf4fc5e8ff763bbe8f7e327..dd33d8b53d6d261c1960b11ef3c348c40fd6478a 100644 --- a/drivers/acpi/acpica/nsxfobj.c +++ b/drivers/acpi/acpica/nsxfobj.c @@ -268,7 +268,7 @@ acpi_get_next_object(acpi_object_type type, /* Internal function does the real work */ - node = acpi_ns_get_next_node(type, parent_node, child_node); + node = acpi_ns_get_next_node_typed(type, parent_node, child_node); if (!node) { status = AE_NOT_FOUND; goto unlock_and_exit;