Looks as though this has been an issue since the driver's inception back in 2014. Fixes the following W=1 kernel build warning(s): drivers/usb/gadget/function/u_serial.c:538: warning: Function parameter or member 'port' not described in 'gs_start_io' drivers/usb/gadget/function/u_serial.c:538: warning: Excess function parameter 'dev' description in 'gs_start_io' Cc: Felipe Balbi <balbi@xxxxxxxxxx> Cc: "Michał Mirosław" <mirq-linux@xxxxxxxxxxxx> Cc: Al Borchers <alborchers@xxxxxxxxxxxxxxxx> Cc: Peter Berger <pberger@xxxxxxxxxxx> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> --- drivers/usb/gadget/function/u_serial.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index 3cfc6e2eba71a..c295defe7ecd3 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -527,7 +527,7 @@ static int gs_alloc_requests(struct usb_ep *ep, struct list_head *head, /** * gs_start_io - start USB I/O streams - * @dev: encapsulates endpoints to use + * @port: port to use * Context: holding port_lock; port_tty and port_usb are non-null * * We only start I/O when something is connected to both sides of -- 2.25.1