reproduce (this is a W=1 build): git remote add staging https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git git fetch staging staging-testing git checkout staging/staging-testing b4 shazam https://lore.kernel.org/r/20260209081025.100080-1-swizzguy76@gmail.com # 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/staging/media/ipu7/