Currently the ignore_status is not considered in the isr. Also the ignore_status is not updated in the set_termios. Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> --- drivers/tty/serial/xilinx_uartps.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index 289d70914956..81ba69c57716 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -375,6 +375,8 @@ static irqreturn_t cdns_uart_isr(int irq, void *dev_id) isrstatus &= ~CDNS_UART_IXR_TXEMPTY; } + isrstatus &= port->read_status_mask; + isrstatus &= ~port->ignore_status_mask; /* * Skip RX processing if RX is disabled as RXEMPTY will never be set * as read bytes will not be removed from the FIFO. @@ -1583,6 +1585,8 @@ static int cdns_uart_probe(struct platform_device *pdev) port->dev = &pdev->dev; port->uartclk = clk_get_rate(cdns_uart_data->uartclk); port->private_data = cdns_uart_data; + port->read_status_mask = CDNS_UART_IXR_TXEMPTY | CDNS_UART_IXR_RXTRIG | + CDNS_UART_IXR_OVERRUN | CDNS_UART_IXR_TOUT; cdns_uart_data->port = port; platform_set_drvdata(pdev, port); -- 2.25.1
