Hi Inochi, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on sophgo/for-next sophgo/fixes net-next/main net/main linus/master v6.12-rc4 next-20241021] [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-net-snps-dwmac-Add-dwmac-5-30a-version/20241021-184301 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20241021103617.653386-5-inochiama%40gmail.com patch subject: [PATCH 4/4] net: stmmac: Add glue layer for Sophgo SG2044 SoC config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20241022/202410221853.0nt4WyvW-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241022/202410221853.0nt4WyvW-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/202410221853.0nt4WyvW-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/net/ethernet/stmicro/stmmac/dwmac-sophgo.c:41:2: warning: variable 'rate' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized] 41 | default: | ^~~~~~~ drivers/net/ethernet/stmicro/stmmac/dwmac-sophgo.c:46:36: note: uninitialized use occurs here 46 | ret = clk_set_rate(dwmac->clk_tx, rate); | ^~~~ drivers/net/ethernet/stmicro/stmmac/dwmac-sophgo.c:28:20: note: initialize the variable 'rate' to silence this warning 28 | unsigned long rate; | ^ | = 0 1 warning generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for MODVERSIONS Depends on [n]: MODULES [=y] && !COMPILE_TEST [=y] Selected by [y]: - RANDSTRUCT_FULL [=y] && (CC_HAS_RANDSTRUCT [=y] || GCC_PLUGINS [=n]) && MODULES [=y] vim +/rate +41 drivers/net/ethernet/stmicro/stmmac/dwmac-sophgo.c 24 25 static void sophgo_dwmac_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode) 26 { 27 struct sophgo_dwmac *dwmac = priv; 28 unsigned long rate; 29 int ret; 30 31 switch (speed) { 32 case SPEED_1000: 33 rate = 125000000; 34 break; 35 case SPEED_100: 36 rate = 25000000; 37 break; 38 case SPEED_10: 39 rate = 2500000; 40 break; > 41 default: 42 dev_err(dwmac->dev, "invalid speed %u\n", speed); 43 break; 44 } 45 46 ret = clk_set_rate(dwmac->clk_tx, rate); 47 if (ret) 48 dev_err(dwmac->dev, "failed to set tx rate %lu\n", rate); 49 } 50 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
