On 05/30/2017 09:25 AM, Johan Hovold wrote: > 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 <johan@xxxxxxxxxx> > --- > 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. I would use the same blurb used throughout drivers/of/* for consistency. * Returns a node pointer with refcount incremented, use * of_node_put() on it when done. */ Just my 2-cents -Tyrel > */ > struct device_node *usb_of_get_child_node(struct device_node *parent, > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
