It appears that pin configuration for GPIO chip hasn't been enabled yet due to absence of ->set_config() callback. Enable it here for Intel Lynxpoint PCH. Depends-on: 2956b5d94a76 ("pinctrl / gpio: Introduce .set_config() callback for GPIO chips") Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/pinctrl/intel/pinctrl-lynxpoint.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pinctrl/intel/pinctrl-lynxpoint.c b/drivers/pinctrl/intel/pinctrl-lynxpoint.c index 2e9670fc479a..0a48ca46ab59 100644 --- a/drivers/pinctrl/intel/pinctrl-lynxpoint.c +++ b/drivers/pinctrl/intel/pinctrl-lynxpoint.c @@ -874,6 +874,7 @@ static int lp_gpio_probe(struct platform_device *pdev) gc->direction_output = lp_gpio_direction_output; gc->get = lp_gpio_get; gc->set = lp_gpio_set; + gc->set_config = gpiochip_generic_config; gc->get_direction = lp_gpio_get_direction; gc->base = -1; gc->ngpio = LP_NUM_GPIO; -- 2.28.0