Thanks to 
332e99d5ae4 which now alerts of default
trigger usage when configuring interrupts.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 
        if (info->irqmux_base || gpio_irq > 0) {
                err = gpiochip_irqchip_add(&bank->gpio_chip, &st_gpio_irqchip,
                                           0, handle_simple_irq,
-                                          IRQ_TYPE_LEVEL_LOW);
+                                          IRQ_TYPE_NONE);
                if (err) {
                        gpiochip_remove(&bank->gpio_chip);
                        dev_info(dev, "could not add irqchip\n");