Hi Kevin, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.12-rc5 next-20210329] [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/Kevin-Paul-Herbert/nvmem-Change-to-unified-property-interface/20210330-064121 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1e43c377a79f9189fea8f2711b399d4e8b4e609b config: x86_64-randconfig-a014-20210329 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 482283042f795ecc27838a3b2f76b5494991401c) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/edbc7632702cf638265a6d7180bd8c951cda6ad9 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Kevin-Paul-Herbert/nvmem-Change-to-unified-property-interface/20210330-064121 git checkout edbc7632702cf638265a6d7180bd8c951cda6ad9 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/thermal/sprd_thermal.c:128:9: error: implicit declaration of function 'of_nvmem_cell_get' [-Werror,-Wimplicit-function-declaration] cell = of_nvmem_cell_get(np, cell_id); ^ drivers/thermal/sprd_thermal.c:128:9: note: did you mean 'nvmem_cell_get'? include/linux/nvmem-consumer.h:60:20: note: 'nvmem_cell_get' declared here struct nvmem_cell *nvmem_cell_get(struct device *dev, const char *id); ^ >> drivers/thermal/sprd_thermal.c:128:7: warning: incompatible integer to pointer conversion assigning to 'struct nvmem_cell *' from 'int' [-Wint-conversion] cell = of_nvmem_cell_get(np, cell_id); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. vim +128 drivers/thermal/sprd_thermal.c 554fdbaf19b188 Freeman Liu 2020-02-18 120 554fdbaf19b188 Freeman Liu 2020-02-18 121 static int sprd_thm_cal_read(struct device_node *np, const char *cell_id, 554fdbaf19b188 Freeman Liu 2020-02-18 122 u32 *val) 554fdbaf19b188 Freeman Liu 2020-02-18 123 { 554fdbaf19b188 Freeman Liu 2020-02-18 124 struct nvmem_cell *cell; 554fdbaf19b188 Freeman Liu 2020-02-18 125 void *buf; 554fdbaf19b188 Freeman Liu 2020-02-18 126 size_t len; 554fdbaf19b188 Freeman Liu 2020-02-18 127 554fdbaf19b188 Freeman Liu 2020-02-18 @128 cell = of_nvmem_cell_get(np, cell_id); 554fdbaf19b188 Freeman Liu 2020-02-18 129 if (IS_ERR(cell)) 554fdbaf19b188 Freeman Liu 2020-02-18 130 return PTR_ERR(cell); 554fdbaf19b188 Freeman Liu 2020-02-18 131 554fdbaf19b188 Freeman Liu 2020-02-18 132 buf = nvmem_cell_read(cell, &len); 554fdbaf19b188 Freeman Liu 2020-02-18 133 nvmem_cell_put(cell); 554fdbaf19b188 Freeman Liu 2020-02-18 134 if (IS_ERR(buf)) 554fdbaf19b188 Freeman Liu 2020-02-18 135 return PTR_ERR(buf); 554fdbaf19b188 Freeman Liu 2020-02-18 136 554fdbaf19b188 Freeman Liu 2020-02-18 137 if (len > sizeof(u32)) { 554fdbaf19b188 Freeman Liu 2020-02-18 138 kfree(buf); 554fdbaf19b188 Freeman Liu 2020-02-18 139 return -EINVAL; 554fdbaf19b188 Freeman Liu 2020-02-18 140 } 554fdbaf19b188 Freeman Liu 2020-02-18 141 554fdbaf19b188 Freeman Liu 2020-02-18 142 memcpy(val, buf, len); 554fdbaf19b188 Freeman Liu 2020-02-18 143 554fdbaf19b188 Freeman Liu 2020-02-18 144 kfree(buf); 554fdbaf19b188 Freeman Liu 2020-02-18 145 return 0; 554fdbaf19b188 Freeman Liu 2020-02-18 146 } 554fdbaf19b188 Freeman Liu 2020-02-18 147 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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