Hi Jean-Jacques, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on pavel-leds/for-next] [also build test WARNING on v5.18 next-20220603] [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/Jean-Jacques-Hiblot/Add-support-for-the-TLC5925/20220605-235250 base: git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git for-next config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220606/202206060923.vYFzGndu-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 416a5080d89066029f9889dc23f94de47c2fa895) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/e8ae916efd705311a0bdeb2a8f9a1649174867be git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jean-Jacques-Hiblot/Add-support-for-the-TLC5925/20220605-235250 git checkout e8ae916efd705311a0bdeb2a8f9a1649174867be # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/leds/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/leds/leds-tlc5925.c:144:35: warning: unused variable 'tlc5925_id' [-Wunused-const-variable] static const struct spi_device_id tlc5925_id[] = { ^ 1 warning generated. vim +/tlc5925_id +144 drivers/leds/leds-tlc5925.c 143 > 144 static const struct spi_device_id tlc5925_id[] = { 145 {"tlc5925", 0}, 146 {} 147 }; 148 MODULE_DEVICE_TABLE(spi, tlc5925_id); 149 -- 0-DAY CI Kernel Test Service https://01.org/lkp