LPC32XX_HSU_TX_INT
if ((status & LPC32XX_HSU_TX_INT) && (!uart_tx_stopped(port))) {
writel(LPC32XX_HSU_TX_INT, LPC32XX_HSUART_IIR(port->membase));
writel((LPC32XX_HSU_TX_INT | LPC32XX_HSU_FE_INT |
writel((LPC32XX_HSU_TX_INT | LPC32XX_HSU_FE_INT |