Hi Thara, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on robh/for-next] [also build test ERROR on linus/master v5.9-rc5 next-20200916] [cannot apply to thermal/next] [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/0day-ci/linux/commits/Thara-Gopinath/Introduce-warming... base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: arm64-randconfig-r003-20200917 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 1321160a26e7e489baf9b10d6de90a342f898960) 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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): qmp_cdev->cdev = devm_thermal_of_warming_device_register ^ drivers/soc/qcom/qcom_aoss.c:464:19: note: did you mean 'devm_thermal_of_cooling_device_register'? include/linux/thermal.h:432:1: note: 'devm_thermal_of_cooling_device_register' declared here devm_thermal_of_cooling_device_register(struct device *dev, ^ qmp_cdev->cdev = devm_thermal_of_warming_device_register ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ thermal_warming_device_unregister ^ drivers/soc/qcom/qcom_aoss.c:504:3: note: did you mean 'thermal_cooling_device_unregister'? include/linux/thermal.h:439:20: note: 'thermal_cooling_device_unregister' declared here static inline void thermal_cooling_device_unregister( ^ drivers/soc/qcom/qcom_aoss.c:515:3: error: implicit declaration of function 'thermal_warming_device_unregister' [-Werror,-Wimplicit-function-declaration] thermal_warming_device_unregister(qmp->cooling_devs[i].cdev); ^ 1 warning and 3 errors generated. # https://github.com/0day-ci/linux/commit/7c75758cd4b524506f725cb5c62ae90c2... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Thara-Gopinath/Introduce-warming-in-thermal-framework/20200917-113050 git checkout 7c75758cd4b524506f725cb5c62ae90c260f34da vim +/devm_thermal_of_warming_device_register +464 drivers/soc/qcom/qcom_aoss.c 454 455 static int qmp_cooling_device_add(struct qmp *qmp, 456 struct qmp_cooling_device *qmp_cdev, 457 struct device_node *node) 458 { 459 char *cdev_name = (char *)node->name; 460 461 qmp_cdev->qmp = qmp; 462 qmp_cdev->state = !qmp_cdev_max_state; 463 qmp_cdev->name = cdev_name; 465 (qmp->dev, node, 466 cdev_name, 467 qmp_cdev, &qmp_cooling_device_ops); 468 469 if (IS_ERR(qmp_cdev->cdev)) 470 dev_err(qmp->dev, "unable to register %s cooling device\n", 471 cdev_name); 472 473 return PTR_ERR_OR_ZERO(qmp_cdev->cdev); 474 } 475 476 static int qmp_cooling_devices_register(struct qmp *qmp) 477 { 478 struct device_node *np, *child; 479 int count = QMP_NUM_COOLING_RESOURCES; 480 int ret; 481 482 np = qmp->dev->of_node; 483 484 qmp->cooling_devs = devm_kcalloc(qmp->dev, count, 485 sizeof(*qmp->cooling_devs), 486 GFP_KERNEL); 487 488 if (!qmp->cooling_devs) 489 return -ENOMEM; 490 491 for_each_available_child_of_node(np, child) { 492 if (!of_find_property(child, "#cooling-cells", NULL)) 493 continue; 494 ret = qmp_cooling_device_add(qmp, &qmp->cooling_devs[count++], 495 child); 496 if (ret) 497 goto unroll; 498 } 499 500 return 0; 501 502 unroll: 503 while (--count >= 0) 505 (qmp->cooling_devs[count].cdev); 506 507 return ret; 508 } 509 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org