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| author | Baruch Siach <baruch@tkos.co.il> | 2015-03-19 14:03:41 +0200 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2015-04-17 07:49:28 -0500 |
| commit | 6480827357923b3977b97c9413a7307be850975d (patch) | |
| tree | 4c06a5a0e683070272302d90c06091bd03e12c5d | |
| parent | 4155fc07fa9fd691d424e7f8fb64591cccb88788 (diff) | |
of: base: improve of_get_next_child() kernel-doc
Add two new facts to of_get_next_child() documentation:
* of_get_next_child() returns NULL when there is not next child
* of_get_next_child() decrements the refcount of prev
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Rob Herring <robh@kernel.org>
| -rw-r--r-- | drivers/of/base.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c index 31ca3c8dae61..7183e825d658 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -663,8 +663,9 @@ static struct device_node *__of_get_next_child(const struct device_node *node, * @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. + * Returns a node pointer with refcount incremented, use of_node_put() on + * it when done. Returns NULL when prev is the last child. Decrements the + * refcount of prev. */ struct device_node *of_get_next_child(const struct device_node *node, struct device_node *prev) |