Searched refs:iir (Results 1 – 1 of 1) sorted by relevance
363 uint8_t iir, intr_reason, reg; in uart_ns16550_read() local390 iir = (sc->fcr & FCR_ENABLE) ? IIR_FIFO_MASK : 0; in uart_ns16550_read()400 iir |= intr_reason; in uart_ns16550_read()402 reg = iir; in uart_ns16550_read()