Hi Chris, kernel test robot noticed the following build warnings: [auto build test WARNING on abelloni/rtc-next] [also build test WARNING on linus/master v6.8-rc5 next-20240220] [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/Chris-Packham/drivers-rtc-add-max313xx-series-rtc-driver/20240220-062057 base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next patch link: https://lore.kernel.org/r/20240219221827.3821415-2-chris.packham%40alliedtelesis.co.nz patch subject: [PATCH v7 1/2] drivers: rtc: add max313xx series rtc driver config: x86_64-randconfig-123-20240220 (https://download.01.org/0day-ci/archive/20240221/202402210633.wquhPF22-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240221/202402210633.wquhPF22-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/202402210633.wquhPF22-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/rtc/rtc-max31335.c:727:22: sparse: sparse: symbol 'max313xx_clk_init' was not declared. Should it be static? >> drivers/rtc/rtc-max31335.c:750:21: sparse: sparse: symbol 'max313xx_nvmem_cfg' was not declared. Should it be static? vim +/max313xx_clk_init +727 drivers/rtc/rtc-max31335.c 726 > 727 struct clk_init_data max313xx_clk_init = { 728 .name = "max313xx-clkout", 729 .ops = &max313xx_clkout_ops, 730 }; 731 732 static int max313xx_nvmem_reg_read(void *priv, unsigned int offset, 733 void *val, size_t bytes) 734 { 735 struct max313xx *rtc = priv; 736 unsigned int reg = rtc->chip->ram_reg + offset; 737 738 return regmap_bulk_read(rtc->regmap, reg, val, bytes); 739 } 740 741 static int max313xx_nvmem_reg_write(void *priv, unsigned int offset, 742 void *val, size_t bytes) 743 { 744 struct max313xx *rtc = priv; 745 unsigned int reg = rtc->chip->ram_reg + offset; 746 747 return regmap_bulk_write(rtc->regmap, reg, val, bytes); 748 } 749 > 750 struct nvmem_config max313xx_nvmem_cfg = { 751 .reg_read = max313xx_nvmem_reg_read, 752 .reg_write = max313xx_nvmem_reg_write, 753 .word_size = 8, 754 }; 755 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
