of: Move phandle walking to of_phandle_iterator_next()

Move the code to walk over the phandles out of the loop in
__of_parse_phandle_with_args() to a separate function that
just works with the iterator handle: of_phandle_iterator_next().

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Rob Herring <robh@kernel.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/of.h b/include/linux/of.h
index 0f187dbb890b..1f5e108f6716 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -358,6 +358,8 @@ extern int of_phandle_iterator_init(struct of_phandle_iterator *it,
                                     const char *cells_name,
                                     int cell_count);
 
+extern int of_phandle_iterator_next(struct of_phandle_iterator *it);
+
 extern void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align));
 extern int of_alias_get_id(struct device_node *np, const char *stem);
 extern int of_alias_get_highest_id(const char *stem);
@@ -641,6 +643,11 @@ static inline int of_phandle_iterator_init(struct of_phandle_iterator *it,
         return -ENOSYS;
 }
 
+static inline int of_phandle_iterator_next(struct of_phandle_iterator *it)
+{
+        return -ENOSYS;
+}
+
 static inline int of_alias_get_id(struct device_node *np, const char *stem)
 {
         return -ENOSYS;