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path: root/drivers/serial
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Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/imx.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 03b495c..04cc88c 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -403,7 +403,8 @@ static int imx_startup(struct uart_port *port)
if (retval) goto error_out2;
retval = request_irq(sport->rtsirq, imx_rtsint,
- IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
+ (sport->rtsirq < IMX_IRQS) ? 0 :
+ IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
DRIVER_NAME, sport);
if (retval) goto error_out3;