Hi Lukas, I love your patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-tip/drm-tip next-20210818] [cannot apply to rockchip/for-next linus/master v5.14-rc6] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Lukas-Bulwahn/Kconfig-symbol-cle... base: git://anongit.freedesktop.org/drm-intel for-linux-next config: i386-tinyconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/432489a34862a1874790d81866c3a30bc... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Lukas-Bulwahn/Kconfig-symbol-clean-up-on-gpu/20210818-204414 git checkout 432489a34862a1874790d81866c3a30bca355979 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): -- make[2]: *** [scripts/kconfig/Makefile:77: olddefconfig] Error 1 make[1]: *** [Makefile:626: olddefconfig] Error 2 make: *** [Makefile:220: __sub-make] Error 2 make: Target 'olddefconfig' not remade because of errors. -- make[3]: *** [scripts/kconfig/Makefile:77: syncconfig] Error 1 make[2]: *** [Makefile:626: syncconfig] Error 2 make[1]: *** [Makefile:736: include/config/auto.conf.cmd] Error 2 make[1]: Failed to remake makefile 'include/config/auto.conf.cmd'. make[1]: Failed to remake makefile 'include/config/auto.conf'. make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:220: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +354 drivers/gpu/drm/Kconfig d92d9c3a14488e David Herrmann 2016-08-04 353 0a886f59528aac Shawn Guo 2016-09-22 @354 source "drivers/gpu/drm/zte/Kconfig" 0a886f59528aac Shawn Guo 2016-09-22 355 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org