reproduce (this is a W=1 build): # https://github.com/nunojsa/linux/commit/93939e195eb7ec55a0bdefa022c33008ccf95e3c git remote add nsa https://github.com/nunojsa/linux git fetch --no-tags nsa b4/dev-iio-ad9467-new-devs git checkout 93939e195eb7ec55a0bdefa022c33008ccf95e3c # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 olddefconfig make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/iio/dac/