reproduce (this is a W=1 build): git checkout 8f0b4cce4481fb22653697cced8d0d04027cb1e8 b4 shazam https://lore.kernel.org/r/20260114-mxsdma-module-v1-1-9b2a9eaa4226@nxp.com # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/tty/serial/