[Qemu-devel] [PATCH 13/14] cadence_uart: Flush queued characters on reset

[Peter Maydell]

From: Peter Crosthwaite <address@hidden>

Reset can be used to empty the rx-fifo. As the fifo full condition is
used to return false from can_receive, queued rx data should be flushed
on reset accordingly.

Cc: Wendy Liang <address@hidden>
Cc: Jason Wu <address@hidden>

Signed-off-by: Peter Crosthwaite <address@hidden>
Reported-by: Jason Wu <address@hidden>
Message-id: address@hidden
Signed-off-by: Peter Maydell <address@hidden>
---
 hw/cadence_uart.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/cadence_uart.c b/hw/cadence_uart.c
index 5426f10..421ec99 100644
--- a/hw/cadence_uart.c
+++ b/hw/cadence_uart.c
@@ -157,6 +157,7 @@ static void uart_rx_reset(UartState *s)
 {
     s->rx_wpos = 0;
     s->rx_count = 0;
+    qemu_chr_accept_input(s->chr);
 
     s->r[R_SR] |= UART_SR_INTR_REMPTY;
     s->r[R_SR] &= ~UART_SR_INTR_RFUL;
-- 
1.7.9.5