diff --git a/drivers/gpio/pl061.c b/drivers/gpio/pl061.c
index 2196f318114c19b36c4ca28e8baa5c51dc8b7606..105701a1f05be48e87c9862a80a907437e03863d 100644
--- a/drivers/gpio/pl061.c
+++ b/drivers/gpio/pl061.c
@@ -189,7 +189,7 @@ static int pl061_irq_type(unsigned irq, unsigned trigger)
 		gpioibe &= ~(1 << offset);
 		if (trigger & IRQ_TYPE_EDGE_RISING)
 			gpioiev |= 1 << offset;
-		else
+		else if (trigger & IRQ_TYPE_EDGE_FALLING)
 			gpioiev &= ~(1 << offset);
 	}
 	writeb(gpioibe, chip->base + GPIOIBE);