IER_THRE          147 bsp/drv/dev/serial/ns16550.c 		bus_write_8(COM_IER, IER_RDA|IER_THRE|IER_RLS);
IER_THRE          190 bsp/drv/dev/serial/ns16550.c 	bus_write_8(COM_IER, IER_RDA|IER_THRE|IER_RLS);  /* Enable interrupt */