Lines Matching refs:iir
1186 DEBUG_AUTOCONF("iir=%d ", scratch);
1566 unsigned int iir;
1570 iir = serial_in(up, UART_IIR);
1571 if (!(iir & UART_IIR_NO_INT)) {
1578 (iir & UART_IIR_BUSY) == UART_IIR_BUSY) {
1728 unsigned int iir;
1730 iir = serial_in(up, UART_IIR);
1731 if (!(iir & UART_IIR_NO_INT))
1739 unsigned int iir, ier = 0, lsr;
1751 iir = serial_in(up, UART_IIR);
1763 if ((iir & UART_IIR_NO_INT) && (up->ier & UART_IER_THRI) &&
1766 iir &= ~(UART_IIR_ID | UART_IIR_NO_INT);
1767 iir |= UART_IIR_THRI;
1770 if (!(iir & UART_IIR_NO_INT))
1940 unsigned char lsr, iir;
2034 iir = serial_in(up, UART_IIR);
2045 if (!(iir1 & UART_IIR_NO_INT) && (iir & UART_IIR_NO_INT)) {
2102 iir. However, this is not reliable, since the timeout
2115 iir = serial_in(up, UART_IIR);
2118 if (lsr & UART_LSR_TEMT && iir & UART_IIR_NO_INT) {