Hi Nikunj, kernel test robot noticed the following build errors: [auto build test ERROR on robh/for-next] [also build test ERROR on linus/master v6.5-rc4 next-20230801] [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/Nikunj-Kela/dt-bindings-arm-convert-nested-if-else-construct-to-allOf/20230725-004613 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20230724164419.16092-4-quic_nkela%40quicinc.com patch subject: [PATCH v2 3/3] firmware: arm_scmi: Add qcom hvc/shmem transport config: arm-randconfig-r004-20230731 (https://download.01.org/0day-ci/archive/20230801/202308011516.voJRAbHr-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20230801/202308011516.voJRAbHr-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/202308011516.voJRAbHr-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/firmware/arm_scmi/qcom_hvc.c:182:2: error: write to reserved register 'R7' arm_smccc_1_1_hvc(scmi_info->func_id, (unsigned long)scmi_info->cap_id, ^ include/linux/arm-smccc.h:536:48: note: expanded from macro 'arm_smccc_1_1_hvc' #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__) ^ include/linux/arm-smccc.h:398:24: note: expanded from macro 'SMCCC_HVC_INST' #define SMCCC_HVC_INST __HVC(0) ^ arch/arm/include/asm/opcodes-virt.h:11:22: note: expanded from macro '__HVC' #define __HVC(imm16) __inst_arm_thumb32( \ ^ arch/arm/include/asm/opcodes.h:215:2: note: expanded from macro '__inst_arm_thumb32' __inst_thumb32(thumb_opcode) ^ arch/arm/include/asm/opcodes.h:205:27: note: expanded from macro '__inst_thumb32' #define __inst_thumb32(x) ___inst_thumb32( \ ^ arch/arm/include/asm/opcodes.h:230:2: note: expanded from macro '___inst_thumb32' ".short " __stringify(first) ", " __stringify(second) "\n\t" ^ 1 error generated. vim +/R7 +182 drivers/firmware/arm_scmi/qcom_hvc.c 167 168 static int qcom_hvc_send_message(struct scmi_chan_info *cinfo, 169 struct scmi_xfer *xfer) 170 { 171 struct scmi_qcom_hvc *scmi_info = cinfo->transport_info; 172 struct arm_smccc_res res; 173 174 /* 175 * Channel will be released only once response has been 176 * surely fully retrieved, so after .mark_txdone() 177 */ 178 mutex_lock(&scmi_info->shmem_lock); 179 180 shmem_tx_prepare(scmi_info->shmem, xfer, cinfo); 181 > 182 arm_smccc_1_1_hvc(scmi_info->func_id, (unsigned long)scmi_info->cap_id, 183 0, 0, 0, 0, 0, 0, &res); 184 185 if (res.a0) { 186 mutex_unlock(&scmi_info->shmem_lock); 187 return -EOPNOTSUPP; 188 } 189 190 return 0; 191 } 192 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki