Hi, I love your patch! Perhaps something to improve: [auto build test WARNING on clk/clk-next] [also build test WARNING on robh/for-next linux/master linus/master v5.13-rc7 next-20210621] [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/alexandru-tachici-analog-com/clk-ad9545-Add-support/20210616-153412 base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next config: x86_64-randconfig-r005-20210622 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project b3634d3e88b7f26534a5057bff182b7dced584fc) 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/b46755cf562ff8a1a9841a4560e344099f3f054e git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review alexandru-tachici-analog-com/clk-ad9545-Add-support/20210616-153412 git checkout b46755cf562ff8a1a9841a4560e344099f3f054e # 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/clk/adi/clk-ad9545.c:2402:5: warning: no previous prototype for function 'ad9545_probe' [-Wmissing-prototypes] int ad9545_probe(struct device *dev, struct regmap *regmap) ^ drivers/clk/adi/clk-ad9545.c:2402:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int ad9545_probe(struct device *dev, struct regmap *regmap) ^ static 1 warning generated. vim +/ad9545_probe +2402 drivers/clk/adi/clk-ad9545.c f88d17c990b731 Alexandru Tachici 2021-06-14 2401 f88d17c990b731 Alexandru Tachici 2021-06-14 @2402 int ad9545_probe(struct device *dev, struct regmap *regmap) f88d17c990b731 Alexandru Tachici 2021-06-14 2403 { f88d17c990b731 Alexandru Tachici 2021-06-14 2404 struct ad9545_state *st; f88d17c990b731 Alexandru Tachici 2021-06-14 2405 int ret; f88d17c990b731 Alexandru Tachici 2021-06-14 2406 f88d17c990b731 Alexandru Tachici 2021-06-14 2407 st = devm_kzalloc(dev, sizeof(struct ad9545_state), GFP_KERNEL); f88d17c990b731 Alexandru Tachici 2021-06-14 2408 if (!st) f88d17c990b731 Alexandru Tachici 2021-06-14 2409 return -ENOMEM; f88d17c990b731 Alexandru Tachici 2021-06-14 2410 f88d17c990b731 Alexandru Tachici 2021-06-14 2411 st->dev = dev; f88d17c990b731 Alexandru Tachici 2021-06-14 2412 st->regmap = regmap; f88d17c990b731 Alexandru Tachici 2021-06-14 2413 f88d17c990b731 Alexandru Tachici 2021-06-14 2414 ret = ad9545_check_id(st); f88d17c990b731 Alexandru Tachici 2021-06-14 2415 if (ret < 0) f88d17c990b731 Alexandru Tachici 2021-06-14 2416 return ret; f88d17c990b731 Alexandru Tachici 2021-06-14 2417 f88d17c990b731 Alexandru Tachici 2021-06-14 2418 ret = ad9545_parse_dt(st); f88d17c990b731 Alexandru Tachici 2021-06-14 2419 if (ret < 0) f88d17c990b731 Alexandru Tachici 2021-06-14 2420 return ret; f88d17c990b731 Alexandru Tachici 2021-06-14 2421 f88d17c990b731 Alexandru Tachici 2021-06-14 2422 return ad9545_setup(st); f88d17c990b731 Alexandru Tachici 2021-06-14 2423 } f88d17c990b731 Alexandru Tachici 2021-06-14 2424 EXPORT_SYMBOL_GPL(ad9545_probe); f88d17c990b731 Alexandru Tachici 2021-06-14 2425 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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