/* These routines are called before setting or resetting tty->stopped. They enable or disable transmitter interrupts,  */
static void dz_stop_tx(struct uart_port *uport)
/* These routines are called before setting or resetting tty->stopped. They enable or disable transmitter interrupts,  */
static void dz_stop_tx(struct uart_port *uport)
{
	struct dz_port *dport = to_dport(uport);
	u16 tmp, mask = 1 << dport->port.line;
	tmp = dz_in(dport, DZ_TCR);
	tmp &= ~mask;
	dz_out(dport, DZ_TCR, tmp);
}