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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2018-09-20 15:11:17 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-04 03:01:51 +0300
commit61b5997ba333e44e7c58e8caa26e463c40ada5db (patch)
tree1d57d2f427ff217610826ead9143911116890c2e /drivers
parent3d04174b0bcfe5d0cb6ee8ba7458b0d4c1293257 (diff)
downloadlinux-61b5997ba333e44e7c58e8caa26e463c40ada5db.tar.xz
serial: imx: restore handshaking irq for imx1
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/tty/serial/imx.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index b24edf634985..0d82be145c68 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -2197,6 +2197,14 @@ static int serial_imx_probe(struct platform_device *pdev)
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);