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hw/char/cmsdk-apb-uart.c: Accept more input after character read 

The character frontend needs to be notified that the uart receive buffer
is empty and ready to handle another character.

Previously, the uart only worked correctly when receiving one character
at a time.

Signed-off-by: Patrick Oppenlander <patrick.oppenlander@gmail.com>
Message-id: CAEg67GkRTw=cXei3o9hvpxG_L4zSrNzR0bFyAgny+sSEUb_kPw@mail.gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Patrick Oppenlander 2018-05-04 18:05:50 +01:00 committed by Peter Maydell
parent 100061121c
commit 0c6a108ec1
1 changed files with 1 additions and 0 deletions
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hw/char/cmsdk-apb-uart.c
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@ -157,6 +157,7 @@ static uint64_t uart_read(void *opaque, hwaddr offset, unsigned size)
r = s->rxbuf;
s->state &= ~R_STATE_RXFULL_MASK;
cmsdk_apb_uart_update(s);
qemu_chr_fe_accept_input(&s->chr);
break;
case A_STATE:
r = s->state;