diff options
| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2007-04-24 17:16:16 +1000 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2007-07-20 13:32:58 +1000 |
| commit | e679c5f445fe142940e0962de9c5c82f10d9357c (patch) | |
| tree | 997daf76cc643fdc495ce0a667cfdc5b1c9515ab /arch/powerpc/kernel/prom.c | |
| parent | 581b605a83ec241a2aff8ef780e08b9414c8dfd8 (diff) | |
Consolidate of_get_parent
This requires creating dummy of_node_{get,put} routines for sparc and
sparc64. It also adds a read_lock around the parent accesses.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/powerpc/kernel/prom.c')
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 3f6238d96a5..1ad56d3c606 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -1241,27 +1241,6 @@ struct device_node *of_find_all_nodes(struct device_node *prev) EXPORT_SYMBOL(of_find_all_nodes); /** - * of_get_parent - Get a node's parent if any - * @node: Node to get parent - * - * Returns a node pointer with refcount incremented, use - * of_node_put() on it when done. - */ -struct device_node *of_get_parent(const struct device_node *node) -{ - struct device_node *np; - - if (!node) - return NULL; - - read_lock(&devtree_lock); - np = of_node_get(node->parent); - read_unlock(&devtree_lock); - 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 |