taglinefilesource code
IER264drivers/char/serial.cinfo->IER = UART_IER_MSI | UART_IER_RLSI | UART_IER_RDI;
IER266drivers/char/serial.cserial_out(info, UART_IER, info->IER);
IER276drivers/char/serial.cinfo->IER = (UART_IER_MSI | UART_IER_RLSI |
IER279drivers/char/serial.cserial_out(info, UART_IER, info->IER);
IER385drivers/char/serial.cinfo->IER = UART_IER_MSI | UART_IER_RLSI | UART_IER_RDI;
IER387drivers/char/serial.cserial_out(info, UART_IER, info->IER);
IER521drivers/char/serial.cserial_out(info, UART_IER, info->IER);
IER536drivers/char/serial.cserial_out(info, UART_IER, info->IER);
IER786drivers/char/serial.cinfo->IER = UART_IER_MSI | UART_IER_RLSI | UART_IER_RDI;
IER787drivers/char/serial.cserial_outp(info, UART_IER, info->IER);  /* enable interrupts */
IER789drivers/char/serial.cinfo->IER = (UART_IER_MSI | UART_IER_RLSI |
IER791drivers/char/serial.cserial_outp(info, UART_IER, info->IER);  /* enable all intrs */
IER881drivers/char/serial.cinfo->IER = 0;
IER1037drivers/char/serial.cinfo->IER = (UART_IER_MSI | UART_IER_RLSI |
IER1040drivers/char/serial.cserial_out(info, UART_IER, info->IER);
IER35include/linux/serial.hint      IER;   /* Interrupt Enable Register */