| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 061/113] serial: imx: restore handshaking irq for imx1 | Date | Mon, 8 Oct 2018 20:31:02 +0200 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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 <stable@vger.kernel.org> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/tty/serial/imx.c | 8 ++++++++ 1 file changed, 8 insertions(+)
--- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1997,6 +1997,14 @@ static int serial_imx_probe(struct platf dev_name(&pdev->dev), sport); if (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);
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