Patchwork [v1,3/3] xilinx_uartlite: Accept input after rx FIFO pop

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Submitter Peter Crosthwaite
Date Dec. 5, 2012, 6:53 a.m.
Message ID <6d7d82a2f960a77a0ccc2cd8049c60ae64b80195.1354690179.git.peter.crosthwaite@xilinx.com>
Download mbox | patch
Permalink /patch/203793/
State New
Headers show

Comments

Peter Crosthwaite - Dec. 5, 2012, 6:53 a.m.
The device return false from the can receive function when the FIFO is
full. This mean the device should check for buffered input whenever a byte is
popped from the FIFO.

Reported-by: Jason Wu <huanyu@xilinx.com>
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
---

 hw/xilinx_uartlite.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

Patch

diff --git a/hw/xilinx_uartlite.c b/hw/xilinx_uartlite.c
index f890f23..02c5850 100644
--- a/hw/xilinx_uartlite.c
+++ b/hw/xilinx_uartlite.c
@@ -97,6 +97,7 @@  uart_read(void *opaque, hwaddr addr, unsigned int size)
                 s->rx_fifo_len--;
             uart_update_status(s);
             uart_update_irq(s);
+            qemu_chr_accept_input(s->chr);
             break;
 
         default: