Hi Mauro, I love your patch! Yet something to improve: [auto build test ERROR on linuxtv-media/master] [also build test ERROR on next-20200526] [cannot apply to staging/staging-testing v5.7-rc7] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Mauro-Carvalho-Chehab/Some-fixes-and-cleanups-for-atomisp-driver/20200525-150001 base: git://linuxtv.org/media_tree.git master config: x86_64-allmodconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 3393cc4cebf9969db94dc424b7a2b6195589c33b) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot All errors (new ones prefixed by >>, old ones prefixed by <<): >> make[5]: *** No rule to make target 'drivers/staging/media/atomisp/pci/hmm/hmm_dynamic_pool.o', needed by 'drivers/staging/media/atomisp/atomisp.o'. make[5]: Target '__build' not remade because of errors. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org