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authorphil eichinger <phil@zankapfel.net>2018-02-19 10:24:15 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-02-28 13:48:21 +0100
commit5d7f77ec72d10c421bc33958f06a5583f2d27ed6 (patch)
tree54b3f9b2e46c356262c262d9ad4c961dcb4e91b8 /drivers/tty/serial/imx.c
parentserial: sh-sci: prevent lockup on full TTY buffers (diff)
downloadlinux-5d7f77ec72d10c421bc33958f06a5583f2d27ed6.tar.xz
linux-5d7f77ec72d10c421bc33958f06a5583f2d27ed6.zip
serial: imx: fix bogus dev_err
Only one of the two is really required, not both: * have_rtscts or * have_rtsgpio In imx_rs485_config() this is done correctly, so RS485 is working, just the error message is false. Signed-off-by: Phil Eichinger <phil@zankapfel.net> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Fixes: b8f3bff057b0 ("serial: imx: Support common rs485 binding for RTS polarity" Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/imx.c')
-rw-r--r--drivers/tty/serial/imx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 1d7ca382bc12..a33c685af990 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -2093,7 +2093,7 @@ static int serial_imx_probe(struct platform_device *pdev)
uart_get_rs485_mode(&pdev->dev, &sport->port.rs485);
if (sport->port.rs485.flags & SER_RS485_ENABLED &&
- (!sport->have_rtscts || !sport->have_rtsgpio))
+ (!sport->have_rtscts && !sport->have_rtsgpio))
dev_err(&pdev->dev, "no RTS control, disabling rs485\n");
imx_rs485_config(&sport->port, &sport->port.rs485);