On Sun, Feb 18, 2018 at 11:41 AM, Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> wrote: > On Sat, Feb 17, 2018 at 10:57:01PM +0200, Andy Shevchenko wrote: >> On Sat, 2018-02-17 at 17:58 +0100, Dominik Brodowski wrote: >> > Do you still need the DEBUG_GPIO output? >> >> It would be nice to have, though if it makes difficulties to you, then >> don't bother. > > Note that I have to enable CONFIG_GPIOLIB before I can enable DEBUG_GPIO; > CONFIG_PINCTRL was off as well. Maybe some "SELECT" is missing for > CONFIG_I2C_DESIGNWARE_BAYTRAIL ? Ah, so, your configuration misses pin control driver. You need to enable it in order to get GPIOs working. It might fix your issue w/o my patch. > The following output is with your patch applied. ...which is useless. > Do you need it without > your fixup patch as well? Yes, and with enabled pin control driver. -- With Best Regards, Andy Shevchenko