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Diffstat (limited to 'hw/serial.c')
-rw-r--r--hw/serial.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/hw/serial.c b/hw/serial.c
index 1f4ce77191..a22770fbbc 100644
--- a/hw/serial.c
+++ b/hw/serial.c
@@ -197,12 +197,10 @@ static void serial_update_irq(SerialState *s)
* this is not in the specification but is observed on existing
* hardware. */
tmp_iir = UART_IIR_CTI;
- } else if ((s->ier & UART_IER_RDI) && (s->lsr & UART_LSR_DR)) {
- if (!(s->fcr & UART_FCR_FE)) {
- tmp_iir = UART_IIR_RDI;
- } else if (s->recv_fifo.count >= s->recv_fifo.itl) {
- tmp_iir = UART_IIR_RDI;
- }
+ } else if ((s->ier & UART_IER_RDI) && (s->lsr & UART_LSR_DR) &&
+ (!(s->fcr & UART_FCR_FE) ||
+ s->recv_fifo.count >= s->recv_fifo.itl)) {
+ tmp_iir = UART_IIR_RDI;
} else if ((s->ier & UART_IER_THRI) && s->thr_ipending) {
tmp_iir = UART_IIR_THRI;
} else if ((s->ier & UART_IER_MSI) && (s->msr & UART_MSR_ANY_DELTA)) {