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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>
This commit is contained in:
Peter Crosthwaite 2013-02-12 11:29:31 +10:00 committed by Anthony Liguori
parent 8a8f584008
commit 9893c80d81
1 changed files with 1 additions and 0 deletions
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1
hw/cadence_uart.c
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@ -343,6 +343,7 @@ static void uart_read_rx_fifo(UartState *s, uint32_t *c)
if (!s->rx_count) {
s->r[R_SR] |= UART_SR_INTR_REMPTY;
}
qemu_chr_accept_input(s->chr);
} else {
*c = 0;
s->r[R_SR] |= UART_SR_INTR_REMPTY;