Document that the child-node lookup helper takes a reference to the device-tree node which needs to be dropped after use.
Signed-off-by: Johan Hovold <jo...@kernel.org> --- drivers/usb/core/of.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/core/of.c b/drivers/usb/core/of.c index d563cbcf76cf..17a4af02cf5b 100644 --- a/drivers/usb/core/of.c +++ b/drivers/usb/core/of.c @@ -28,6 +28,9 @@ * * Find the node from device tree according to its port number. * + * Takes a reference to the returned device-tree node, which needs to be + * dropped after use. + * * Return: On success, a pointer to the device node, %NULL on failure. */ struct device_node *usb_of_get_child_node(struct device_node *parent, -- 2.13.0
