unsigned offset);
 static int at91_gpiolib_to_irq(struct gpio_chip *chip, unsigned offset);
 
-#define AT91_GPIO_CHIP(name, base_gpio, nr_gpio)                       \
+#define AT91_GPIO_CHIP(name, nr_gpio)                                  \
        {                                                               \
                .chip = {                                               \
                        .label            = name,                       \
                        .get              = at91_gpiolib_get,           \
                        .set              = at91_gpiolib_set,           \
                        .dbg_show         = at91_gpiolib_dbg_show,      \
-                       .base             = base_gpio,                  \
                        .to_irq           = at91_gpiolib_to_irq,        \
                        .ngpio            = nr_gpio,                    \
                },                                                      \
        }
 
 static struct at91_gpio_chip gpio_chip[] = {
-       AT91_GPIO_CHIP("pioA", 0x00, 32),
-       AT91_GPIO_CHIP("pioB", 0x20, 32),
-       AT91_GPIO_CHIP("pioC", 0x40, 32),
-       AT91_GPIO_CHIP("pioD", 0x60, 32),
-       AT91_GPIO_CHIP("pioE", 0x80, 32),
+       AT91_GPIO_CHIP("pioA", 32),
+       AT91_GPIO_CHIP("pioB", 32),
+       AT91_GPIO_CHIP("pioC", 32),
+       AT91_GPIO_CHIP("pioD", 32),
+       AT91_GPIO_CHIP("pioE", 32),
 };
 
 static int gpio_banks;