/* i8042_start() is called by serio core when port is about to finish registering. It will mark port as existing so i8042_interrupt can start sending data through it.  */
static int i8042_start(struct serio *serio)
/* i8042_start() is called by serio core when port is about to finish registering. It will mark port as existing so i8042_interrupt can start sending data through it.  */
static int i8042_start(struct serio *serio)
{
	struct i8042_port *port = serio->port_data;
	port->exists = true;
	mb();
	return 0;
}