reproduce (this is a W=1 build): git remote add mtd https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git git fetch mtd nand/next git checkout mtd/nand/next b4 shazam https://lore.kernel.org/r/20240724114225.2176448-3-quic_mdalam@quicinc.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/mtd/nand/raw/