Hi Biju, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on next-20220112] [cannot apply to pinchartl-media/drm/du/next geert-renesas-drivers/renesas-clk geert-renesas-devel/next v5.16 v5.16-rc8 v5.16-rc7 v5.16] [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/Biju-Das/Add-RZ-G2L-Display-supp... base: 32ce2abb03cfae17a9eb42bd6b1b619b72f23f20 config: arm-randconfig-r021-20220113 (https://download.01.org/0day-ci/archive/20220113/202201131731.OhbX4Dpr-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d1021978b8e7e35dcc30201ca1731d64b5a602a8) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/0day-ci/linux/commit/c0b834d1561a902d5f960a18e365d66fb... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Biju-Das/Add-RZ-G2L-Display-support/20220113-014940 git checkout c0b834d1561a902d5f960a18e365d66fbeba0f95 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/clk/renesas/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): { 3000000000, 1, 125, 0, 1, 1, 0, 0, 0, 0 }, /* 3000 MHz */ ^ drivers/clk/renesas/rzg2l-cpg.c:317:4: warning: integer literal is too large to be represented in type 'long', interpreting as 'unsigned long' per C89; this literal will have type 'long long' in C99 onwards [-Wc99-compat] { 3000000000, 1, 125, 0, 1, 1, 0, 0, 0, 0 }, /* 3000 MHz */ ^ 2 warnings generated. vim +302 drivers/clk/renesas/rzg2l-cpg.c 286 287 static const struct rzg2l_pll5_param dsi_mode_param[] = { 288 { 25175000, 1, 16, 13141593, 1, 1, 2, 3, 16, 0 }, /* VGA 25.175MHz */ 289 { 25200000, 1, 16, 13421773, 1, 1, 2, 3, 16, 0 }, /* VGA 25.200MHz */ 290 { 27000000, 1, 18, 0, 1, 1, 2, 3, 16, 0 }, /* 480p/576p 27.000MHz */ 291 { 27027000, 1, 18, 301990, 1, 1, 2, 3, 16, 0 }, /* 480p 27.027MHz */ 292 { 29605000, 1, 19, 12359216, 1, 1, 2, 3, 16, 0 }, /* WVGA 29.605MHz */ 293 { 40000000, 2, 80, 0, 2, 1, 1, 2, 6, 0 }, /* SVGA 40.00MHz */ 294 { 65000000, 1, 43, 5592405, 1, 1, 2, 3, 16, 0 }, /* XGA 65.00MHz */ 295 { 71000000, 2, 71, 0, 1, 1, 1, 2, 6, 0 }, /* WXGA 1280x800 71.0MHz */ 296 { 74176000, 1, 49, 7560932, 1, 1, 2, 3, 16, 0 }, /* 720p 74.176MHz */ 297 { 74250000, 1, 49, 8388608, 1, 1, 2, 3, 16, 0 }, /* 720p 74.25MHz */ 298 { 85500000, 2, 85, 8388608, 1, 1, 1, 2, 6, 0 }, /* FWXGA 1360x768 85.5MHz */ 299 { 88750000, 2, 88, 12582912, 1, 1, 1, 2, 6, 1 }, /* WXGA+ 1440x900 88.75MHz */ 300 { 108000000, 2, 108, 0, 1, 1, 1, 2, 6, 1 }, /* SXGA 108MHz */ 301 { 148500000, 2, 148, 8388608, 1, 1, 1, 2, 6, 1 }, /* 1080p 148.5MHz */ 303 }; 304 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org