SCI_TDRE          769 drivers/tty/serial/sh-sci.c 	return !(serial_port_in(port, SCxSR) & SCI_TDRE);
SCI_TDRE           82 drivers/tty/serial/sh-sci.h #define SCI_TDxE_CLEAR	(u32)(~(SCI_RESERVED | SCI_TEND | SCI_TDRE))
SCI_TDRE          163 drivers/tty/serial/sh-sci.h #define SCxSR_TDxE(port)	(((port)->type == PORT_SCI) ? SCI_TDRE   : SCIF_TDFE)