reproduce (this is a W=1 build): git remote add broonie-spi https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git git fetch broonie-spi for-next git checkout broonie-spi/for-next b4 shazam https://lore.kernel.org/r/20240329194849.25554-3-wsadowski@marvell.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/