Searched refs:iir (Results 1 – 1 of 1) sorted by relevance
596 uint8_t iir, intr_reason, reg; in uart_read() local623 iir = (sc->fcr & FCR_ENABLE) ? IIR_FIFO_MASK : 0; in uart_read()633 iir |= intr_reason; in uart_read()635 reg = iir; in uart_read()