Hi Benjamin, I love your patch! Yet something to improve: [auto build test ERROR on media-tree/master] [also build test ERROR on linus/master v5.18-rc6 next-20220511] [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/intel-lab-lkp/linux/commits/Benjamin-Mugnier/media-Add-ST-VGXY61-camera-sensor-driver/20220512-154318 base: git://linuxtv.org/media_tree.git master config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20220512/202205121843.Y5ufdQpc-lkp@xxxxxxxxx/config) compiler: mips-linux-gcc (GCC) 11.3.0 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 # https://github.com/intel-lab-lkp/linux/commit/47c49a5b0ade9511ba79fbe14a0d2231975757e5 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Benjamin-Mugnier/media-Add-ST-VGXY61-camera-sensor-driver/20220512-154318 git checkout 47c49a5b0ade9511ba79fbe14a0d2231975757e5 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=mips prepare If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): scripts/genksyms/parse.y: warning: 9 shift/reduce conflicts [-Wconflicts-sr] scripts/genksyms/parse.y: warning: 5 reduce/reduce conflicts [-Wconflicts-rr] scripts/genksyms/parse.y: note: rerun with option '-Wcounterexamples' to generate conflict counterexamples >> error: include/uapi/linux/st-vgxy61.h: missing "WITH Linux-syscall-note" for SPDX-License-Identifier make[2]: *** [scripts/Makefile.headersinst:63: usr/include/linux/st-vgxy61.h] Error 1 make[2]: Target '__headers' not remade because of errors. make[1]: *** [Makefile:1280: headers] Error 2 arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes] 26 | void output_ptreg_defines(void) | ^~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes] 78 | void output_task_defines(void) | ^~~~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:92:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes] 92 | void output_thread_info_defines(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:108:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes] 108 | void output_thread_defines(void) | ^~~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:136:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes] 136 | void output_thread_fpu_defines(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:179:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes] 179 | void output_mm_defines(void) | ^~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:218:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes] 218 | void output_sc_defines(void) | ^~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:253:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes] 253 | void output_signal_defined(void) | ^~~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:320:6: warning: no previous prototype for 'output_pbe_defines' [-Wmissing-prototypes] 320 | void output_pbe_defines(void) | ^~~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:332:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes] 332 | void output_pm_defines(void) | ^~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:346:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes] 346 | void output_kvm_defines(void) | ^~~~~~~~~~~~~~~~~~ arch/mips/kernel/asm-offsets.c:390:6: warning: no previous prototype for 'output_cps_defines' [-Wmissing-prototypes] 390 | void output_cps_defines(void) | ^~~~~~~~~~~~~~~~~~ make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:219: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. -- 0-DAY CI Kernel Test Service https://01.org/lkp