From: Uwe Kleine-König Date: Thu, 20 Sep 2018 12:11:17 +0000 (+0200) Subject: serial: imx: restore handshaking irq for imx1 X-Git-Tag: v4.9.131~20 X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=61b5997ba333e44e7c58e8caa26e463c40ada5db;p=linux 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 Signed-off-by: Uwe Kleine-König Reviewed-by: Leonard Crestez Signed-off-by: Greg Kroah-Hartman --- 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);