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serial: imx: restore handshaking irq for imx1 

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: afe9cbb1a6 ("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>
This commit is contained in:
Uwe Kleine-König 2018-09-20 14:11:17 +02:00 committed by Greg Kroah-Hartman
parent e97267cb4d
commit 7e620984b6
1 changed files with 8 additions and 0 deletions
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8
drivers/tty/serial/imx.c
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@ -2351,6 +2351,14 @@ 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);