RE: [PATCH] serial: imx: restore handshaking irq for imx1

[Andy Duan]

From: Uwe Kleine-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx> Sent: 2018å9æ20æ 20:11
> Back in 2015 when irda was dropped from the driver imx1 was broken.
> This change reintroduces the support for the third interrupt of the UART.
> 
> Fixes: afe9cbb1a6ad ("serial: imx: drop support for IRDA")
> Signed-off-by: Uwe Kleine-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx>
> ---
>  drivers/tty/serial/imx.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index
> 4e853570ea80..554a69db1bca 100644
> --- a/drivers/tty/serial/imx.c
> +++ b/drivers/tty/serial/imx.c
> @@ -2350,6 +2350,14 @@ static int imx_uart_probe(struct
> platform_device *pdev)
>  				ret);
>  			return ret;
>  		}
> +
> +		ret = devm_request_irq(&pdev->dev, rtsirq, imx_uart_rtsint, 0,
> +				       dev_name(&pdev->dev), sport);
> +		if (ret) {
> +			dev_err(&pdev->dev, "failed to request rts irq: %d\n",
> +				ret);
> +			return ret;
> +		}
>  	} else {
>  		ret = devm_request_irq(&pdev->dev, rxirq, imx_uart_int, 0,
>  				       dev_name(&pdev->dev), sport);
> --
> 2.18.0

Reviewed-by: Fugang Duan <fugang.duan@xxxxxxx>