4.9-stable review patch. If anyone has any objections, please let me know.
------------------ From: Uwe Kleine-König <[email protected]> commit 7e620984b62532783912312e334f3c48cdacbd5d upstream. 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") Cc: stable <[email protected]> Signed-off-by: Uwe Kleine-König <[email protected]> Reviewed-by: Leonard Crestez <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/tty/serial/imx.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -2197,6 +2197,14 @@ static int serial_imx_probe(struct platf ret); return ret; } + + ret = devm_request_irq(&pdev->dev, rtsirq, imx_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_int, 0, dev_name(&pdev->dev), sport);

