reproduce (this is a W=1 build):
        git remote add andi-shyti https://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git
        git fetch andi-shyti i2c/i2c-host
        git checkout andi-shyti/i2c/i2c-host
        b4 shazam https://lore.kernel.org/r/20240816171225.3506844-6-andriy.shevchenko@linux.intel.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/i2c/busses/