cadance_uart: Accept input after rx FIFO pop
The device returns false from the can receive function when the FIFO is full. This means 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> Message-id: 1360632571-25638-1-git-send-email-peter.crosthwaite@xilinx.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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@ -343,6 +343,7 @@ static void uart_read_rx_fifo(UartState *s, uint32_t *c)
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if (!s->rx_count) {
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s->r[R_SR] |= UART_SR_INTR_REMPTY;
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}
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qemu_chr_accept_input(s->chr);
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} else {
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*c = 0;
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s->r[R_SR] |= UART_SR_INTR_REMPTY;
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