Symbol: PD_DSR4
sys/arch/evbarm/mpcsa/mpcsa_usart.c
198
at91pio_in(sc->sc_piod, PD_DSR4);
sys/arch/evbarm/mpcsa/mpcsa_usart.c
207
at91pio_per(sc->sc_piod, PD_DSR4, -1);