Also dropped the unneeded gpio.h header.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
-#include <linux/gpio.h>
 #include <linux/slab.h>
 
 #include <linux/iio/iio.h>
                                 &iio_gpio_trigger_list,
                                 alloc_list) {
                trig_info = iio_trigger_get_drvdata(trig);
-               free_irq(gpio_to_irq(trig_info->irq), trig);
+               free_irq(trig_info->irq, trig);
                kfree(trig_info);
                iio_trigger_unregister(trig);
        }