From d1cd355a5e44dfe993efc0c0458ca9f99a28a9a3 Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Tue, 24 Apr 2007 17:21:29 +1000 Subject: Consolidate of_get_next_child This adds a read_lock around the child/next accesses on Sparc. Signed-off-by: Stephen Rothwell Acked-by: Paul Mackerras Acked-by: David S. Miller --- arch/powerpc/kernel/prom.c | 24 ------------------------ 1 file changed, 24 deletions(-) (limited to 'arch/powerpc') 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 @@ -1240,30 +1240,6 @@ 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 -- cgit v1.2.3