Symbol: CSR_TDRE
drivers/tty/serial/rsci.c
440
if (!(status & CSR_TDRE)) {
drivers/tty/serial/rsci.c
576
(status & CSR_TDRE), 100,
drivers/tty/serial/rsci.c
632
.poll_sent_bits = CSR_TDRE | CSR_TEND,