122     if ((s->ier & UART_IER_RLSI) && (s->lsr & UART_LSR_INT_ANY)) {  in serial_update_irq()
124     } else if ((s->ier & UART_IER_RDI) && s->timeout_ipending) {  in serial_update_irq()
129     } else if ((s->ier & UART_IER_RDI) && (s->lsr & UART_LSR_DR) &&  in serial_update_irq()
133     } else if ((s->ier & UART_IER_THRI) && s->thr_ipending) {  in serial_update_irq()
135     } else if ((s->ier & UART_IER_MSI) && (s->msr & UART_MSR_ANY_DELTA)) {  in serial_update_irq()
368             uint8_t changed = (s->ier ^ val) & 0x0f;  in serial_ioport_write()
369             s->ier = val & 0x0f;  in serial_ioport_write()
374                 if (s->ier & UART_IER_MSI) {  in serial_ioport_write()
395                 if ((s->ier & UART_IER_THRI) && (s->lsr & UART_LSR_THRE)) {  in serial_ioport_write()
505             ret = s->ier;  in serial_ioport_read()
693     if (s->ier & UART_IER_THRI) {  in serial_thr_ipending_needed()
832         VMSTATE_UINT8(ier, SerialState),
864     s->ier = 0;  in serial_reset()
906     s->poll_msl = (s->ier & UART_IER_MSI) ? 1 : 0;  in serial_be_change()