UART_IIR_BUSY      71 arch/mips/pmcs-msp71xx/msp_serial.c 	} else if ((iir & UART_IIR_BUSY) == UART_IIR_BUSY) {
UART_IIR_BUSY     253 drivers/tty/serial/8250/8250_dw.c 	if ((iir & UART_IIR_BUSY) == UART_IIR_BUSY) {