Hi Mao, kernel test robot noticed the following build errors: [auto build test ERROR on robh/for-next] [also build test ERROR on linus/master v6.11-rc2 next-20240807] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Mao-Jinlong/dt-bindings-arm-Add-qcom-inst-id-for-remote-etm/20240807-151315 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20240807071054.12742-3-quic_jinlmao%40quicinc.com patch subject: [PATCH v2 2/2] coresight: Add remote etm support config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20240808/202408080637.ZZJbuvB3-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240808/202408080637.ZZJbuvB3-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408080637.ZZJbuvB3-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/hwtracing/coresight/coresight-remote-etm.c:298:27: error: initialization of 'void (*)(struct platform_device *)' from incompatible pointer type 'int (*)(struct platform_device *)' [-Wincompatible-pointer-types] 298 | .remove = remote_etm_remove, | ^~~~~~~~~~~~~~~~~ drivers/hwtracing/coresight/coresight-remote-etm.c:298:27: note: (near initialization for 'remote_etm_driver.<anonymous>.remove') vim +298 drivers/hwtracing/coresight/coresight-remote-etm.c 295 296 static struct platform_driver remote_etm_driver = { 297 .probe = remote_etm_probe, > 298 .remove = remote_etm_remove, 299 .driver = { 300 .name = "coresight-remote-etm", 301 .of_match_table = remote_etm_match, 302 }, 303 }; 304 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki