Hi Phillip, I love your patch! Perhaps something to improve: [auto build test WARNING on staging/staging-testing] [also build test WARNING on v5.17-rc1 next-20220124] [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/Phillip-Potter/Cleanup-and-remov... base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git fa783154524a71ab74e293cd8251155e5971952b config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220125/202201251642.5tYQO4Fb-lk...) compiler: arceb-elf-gcc (GCC) 11.2.0 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 # https://github.com/0day-ci/linux/commit/041fe115dad9245f83646e7674341f280... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Phillip-Potter/Cleanup-and-removal-of-DBG_88E-macro/20220125-125206 git checkout 041fe115dad9245f83646e7674341f28094d62a5 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/staging/r8188eu/ 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 >>): drivers/staging/r8188eu/hal/rtl8188e_cmd.c: In function 'rtl8188e_set_FwMediaStatus_cmd': 195 | u8 opmode, macid; | ^~~~~ 195 | u8 opmode, macid; | ^~~~~~ vim +/macid +195 drivers/staging/r8188eu/hal/rtl8188e_cmd.c 8cd574e6af5463 Phillip Potter 2021-07-28 192 8cd574e6af5463 Phillip Potter 2021-07-28 193 void rtl8188e_set_FwMediaStatus_cmd(struct adapter *adapt, __le16 mstatus_rpt) 8cd574e6af5463 Phillip Potter 2021-07-28 194 { 8cd574e6af5463 Phillip Potter 2021-07-28 @195 u8 opmode, macid; 8cd574e6af5463 Phillip Potter 2021-07-28 196 u16 mst_rpt = le16_to_cpu(mstatus_rpt); 8cd574e6af5463 Phillip Potter 2021-07-28 197 opmode = (u8)mst_rpt; 8cd574e6af5463 Phillip Potter 2021-07-28 198 macid = (u8)(mst_rpt >> 8); 8cd574e6af5463 Phillip Potter 2021-07-28 199 8cd574e6af5463 Phillip Potter 2021-07-28 200 FillH2CCmd_88E(adapt, H2C_COM_MEDIA_STATUS_RPT, sizeof(mst_rpt), (u8 *)&mst_rpt); 8cd574e6af5463 Phillip Potter 2021-07-28 201 } 8cd574e6af5463 Phillip Potter 2021-07-28 202 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org