Hi Fiona, kernel test robot noticed the following build warnings: [auto build test WARNING on wireless-next/main] [also build test WARNING on wireless/main linus/master v6.8-rc2 next-20240202] [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/Fiona-Klute/wifi-rtw88-Shared-module-for-rtw8723x-devices/20240202-201428 base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main patch link: https://lore.kernel.org/r/20240202121050.977223-2-fiona.klute%40gmx.de patch subject: [PATCH 1/9] wifi: rtw88: Shared module for rtw8723x devices config: parisc-allmodconfig (https://download.01.org/0day-ci/archive/20240203/202402032249.cMZd6DxM-lkp@xxxxxxxxx/config) compiler: hppa-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240203/202402032249.cMZd6DxM-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/202402032249.cMZd6DxM-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/net/wireless/realtek/rtw88/rtw8723x.c:156:6: warning: no previous prototype for '__rtw8723x_cfg_ldo25' [-Wmissing-prototypes] 156 | void __rtw8723x_cfg_ldo25(struct rtw_dev *rtwdev, bool enable) | ^~~~~~~~~~~~~~~~~~~~ vim +/__rtw8723x_cfg_ldo25 +156 drivers/net/wireless/realtek/rtw88/rtw8723x.c 155 > 156 void __rtw8723x_cfg_ldo25(struct rtw_dev *rtwdev, bool enable) 157 { 158 u8 ldo_pwr; 159 160 ldo_pwr = rtw_read8(rtwdev, REG_LDO_EFUSE_CTRL + 3); 161 if (enable) { 162 ldo_pwr &= ~BIT_MASK_LDO25_VOLTAGE; 163 ldo_pwr |= (BIT_LDO25_VOLTAGE_V25 << 4) | BIT_LDO25_EN; 164 } else { 165 ldo_pwr &= ~BIT_LDO25_EN; 166 } 167 rtw_write8(rtwdev, REG_LDO_EFUSE_CTRL + 3, ldo_pwr); 168 } 169 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
