reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux.git/commit/?id=82415fb0b6b61675cdd5c9c252c71634d986c613 git remote add ukleinek https://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux.git git fetch --no-tags ukleinek pwm-lifetime-tracking git checkout 82415fb0b6b61675cdd5c9c252c71634d986c613 # 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/pinctrl/intel/