Hello With CONFIG_DEBUG_TEST_DRIVER_REMOVE=y pinctrl-sunxi fail to load on the second try. [ 3.900061] sun8i-h3-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver [ 3.916251] gpio gpiochip1: GPIO integer space overlap, cannot add chip [ 3.923016] gpiochip_add_data: GPIOs 0..223 (1c20800.pinctrl) failed to register [ 3.931099] sun8i-h3-pinctrl: probe of 1c20800.pinctrl failed with error -16 [ 3.944709] sun8i-h3-r-pinctrl 1f02c00.pinctrl: initialized sunXi PIO driver [ 3.960796] gpio gpiochip2: GPIO integer space overlap, cannot add chip [ 3.967594] gpiochip_add_data: GPIOs 352..383 (1f02c00.pinctrl) failed to register [ 3.975633] sun8i-h3-r-pinctrl: probe of 1f02c00.pinctrl failed with error -16 Without it, all subsequent drivers fail to load. Tested on Orange PI PC board. Regards -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html