diff options
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 24 | ||||
| -rw-r--r-- | arch/sparc/kernel/prom.c | 14 | ||||
| -rw-r--r-- | arch/sparc64/kernel/prom.c | 14 | ||||
| -rw-r--r-- | drivers/of/base.c | 24 |
4 files changed, 24 insertions, 52 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 1ad56d3c6061..5fa221ce8714 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -1241,30 +1241,6 @@ struct device_node *of_find_all_nodes(struct device_node *prev) EXPORT_SYMBOL(of_find_all_nodes); /** - * of_get_next_child - Iterate a node childs - * @node: parent node - * @prev: previous child of the parent node, or NULL to get first - * - * Returns a node pointer with refcount incremented, use - * of_node_put() on it when done. - */ -struct device_node *of_get_next_child(const struct device_node *node, - struct device_node *prev) -{ - struct device_node *next; - - read_lock(&devtree_lock); - next = prev ? prev->sibling : node->child; - for (; next != 0; next = next->sibling) - if (of_node_get(next)) - break; - of_node_put(prev); - read_unlock(&devtree_lock); - return next; -} -EXPORT_SYMBOL(of_get_next_child); - -/** * of_node_get - Increment refcount of a node * @node: Node to inc refcount, NULL is supported to * simplify writing of callers diff --git a/arch/sparc/kernel/prom.c b/arch/sparc/kernel/prom.c index b37871578087..3f8ccfad2e01 100644 --- a/arch/sparc/kernel/prom.c +++ b/arch/sparc/kernel/prom.c @@ -29,20 +29,6 @@ static struct device_node *allnodes; extern rwlock_t devtree_lock; /* temporary while merging */ -struct device_node *of_get_next_child(const struct device_node *node, - struct device_node *prev) -{ - struct device_node *next; - - next = prev ? prev->sibling : node->child; - for (; next != 0; next = next->sibling) { - break; - } - - return next; -} -EXPORT_SYMBOL(of_get_next_child); - struct device_node *of_find_node_by_path(const char *path) { struct device_node *np = allnodes; diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c index 2462731ac1a3..ee96ef61bc99 100644 --- a/arch/sparc64/kernel/prom.c +++ b/arch/sparc64/kernel/prom.c @@ -34,20 +34,6 @@ static struct device_node *allnodes; extern rwlock_t devtree_lock; /* temporary while merging */ -struct device_node *of_get_next_child(const struct device_node *node, - struct device_node *prev) -{ - struct device_node *next; - - next = prev ? prev->sibling : node->child; - for (; next != 0; next = next->sibling) { - break; - } - - return next; -} -EXPORT_SYMBOL(of_get_next_child); - struct device_node *of_find_node_by_path(const char *path) { struct device_node *np = allnodes; diff --git a/drivers/of/base.c b/drivers/of/base.c index 82bb78680ff6..6b6dfcc56522 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -134,3 +134,27 @@ struct device_node *of_get_parent(const struct device_node *node) return np; } EXPORT_SYMBOL(of_get_parent); + +/** + * of_get_next_child - Iterate a node childs + * @node: parent node + * @prev: previous child of the parent node, or NULL to get first + * + * Returns a node pointer with refcount incremented, use + * of_node_put() on it when done. + */ +struct device_node *of_get_next_child(const struct device_node *node, + struct device_node *prev) +{ + struct device_node *next; + + read_lock(&devtree_lock); + next = prev ? prev->sibling : node->child; + for (; next; next = next->sibling) + if (of_node_get(next)) + break; + of_node_put(prev); + read_unlock(&devtree_lock); + return next; +} +EXPORT_SYMBOL(of_get_next_child); |