Hi Wendy, FYI, the error/warning still remains. tree: https://github.com/Xilinx/linux-xlnx master head: 45cd0074cdf1ddd710b28848e6a860b442babfcc commit: a324889a971b8e827c53deaffe630b420bde4067 [11230/12418] remoteproc: Add support for peek from remote and acking kick from remote config: parisc-randconfig-r023-20210826 (attached as .config) compiler: hppa-linux-gcc (GCC) 11.2.0 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/Xilinx/linux-xlnx/commit/a324889a971b8e827c53deaffe630b420bde4067 git remote add xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xlnx master git checkout a324889a971b8e827c53deaffe630b420bde4067 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> drivers/remoteproc/mtk_scp.c:463:27: error: initialization of 'void * (*)(struct rproc *, u64, int)' {aka 'void * (*)(struct rproc *, long long unsigned int, int)'} from incompatible pointer type 'void * (*)(struct rproc *, u64, size_t)' {aka 'void * (*)(struct rproc *, long long unsigned int, unsigned int)'} [-Werror=incompatible-pointer-types] 463 | .da_to_va = scp_da_to_va, | ^~~~~~~~~~~~ drivers/remoteproc/mtk_scp.c:463:27: note: (near initialization for 'scp_ops.da_to_va') cc1: some warnings being treated as errors vim +463 drivers/remoteproc/mtk_scp.c 63c13d61eafe46 Erin Lo 2019-11-12 458 63c13d61eafe46 Erin Lo 2019-11-12 459 static const struct rproc_ops scp_ops = { 63c13d61eafe46 Erin Lo 2019-11-12 460 .start = scp_start, 63c13d61eafe46 Erin Lo 2019-11-12 461 .stop = scp_stop, 63c13d61eafe46 Erin Lo 2019-11-12 462 .load = scp_load, 63c13d61eafe46 Erin Lo 2019-11-12 @463 .da_to_va = scp_da_to_va, 63c13d61eafe46 Erin Lo 2019-11-12 464 }; 63c13d61eafe46 Erin Lo 2019-11-12 465 :::::: The code at line 463 was first introduced by commit :::::: 63c13d61eafe4606f1c16c54da40c4eee78e9edf remoteproc/mediatek: add SCP support for mt8183 :::::: TO: Erin Lo :::::: CC: Bjorn Andersson --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org