lm32_uart: fix receive buffering

Inform qemu-char when more input data can be received.

Signed-off-by: Michael Walle <michael@walle.cc>

diff --git a/hw/lm32_uart.c b/hw/lm32_uart.c
index 02f6f89..32bc37a 100644 (file)
--- a/hw/lm32_uart.c
+++ b/hw/lm32_uart.c
@@ -137,6 +137,7 @@ static uint64_t uart_read(void *opaque, hwaddr addr,
         r = s->regs[R_RXTX];
         s->regs[R_LSR] &= ~LSR_DR;
         uart_update_irq(s);
+        qemu_chr_accept_input(s->chr);
         break;
     case R_IIR:
     case R_LSR: