Hi Inochi, kernel test robot noticed the following build warnings: [auto build test WARNING on sophgo/for-next] [also build test WARNING on sophgo/fixes clk/clk-next robh/for-next linus/master v6.13-rc2 next-20241209] [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/Inochi-Amaoto/dt-bindings-clock-sophgo-add-clock-controller-for-SG2044/20241209-162418 base: https://github.com/sophgo/linux.git for-next patch link: https://lore.kernel.org/r/20241209082132.752775-3-inochiama%40gmail.com patch subject: [PATCH 2/2] clk: sophgo: Add clock controller support for SG2044 SoC config: parisc-randconfig-r053-20241210 (https://download.01.org/0day-ci/archive/20241210/202412101358.czZY7XmR-lkp@xxxxxxxxx/config) compiler: hppa-linux-gcc (GCC) 14.2.0 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/202412101358.czZY7XmR-lkp@xxxxxxxxx/ cocci warnings: (new ones prefixed by >>) >> drivers/clk/sophgo/clk-sg2044.c:133:1-7: WARNING: do_div() does a 64-by-32 division, please consider using div64_ul instead. >> drivers/clk/sophgo/clk-sg2044.c:149:1-7: WARNING: do_div() does a 64-by-32 division, please consider using div64_u64 instead. vim +133 drivers/clk/sophgo/clk-sg2044.c 126 127 static unsigned long sg2044_pll_calc_vco_rate(unsigned long parent_rate, 128 unsigned long refdiv, 129 unsigned long fbdiv) 130 { 131 u64 numerator = parent_rate * fbdiv; 132 > 133 do_div(numerator, refdiv); 134 135 return numerator; 136 } 137 138 static unsigned long sg2044_pll_calc_rate(unsigned long parent_rate, 139 unsigned long refdiv, 140 unsigned long fbdiv, 141 unsigned long postdiv1, 142 unsigned long postdiv2) 143 { 144 u64 numerator, denominator; 145 146 numerator = parent_rate * fbdiv; 147 denominator = refdiv * (postdiv1 + 1) * (postdiv2 + 1); 148 > 149 do_div(numerator, denominator); 150 151 return numerator; 152 } 153 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
