Hi Tzu-En, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 23ee3e4e5bd27bdbc0f1785eef7209ce872794c7 commit: c97ee3e0bea29827f4b44276fc792bd32977edb0 rtw88: add power tracking support date: 9 months ago config: arc-randconfig-r026-20200725 (attached as .config) compiler: arc-elf-gcc (GCC) 9.3.0 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 git checkout c97ee3e0bea29827f4b44276fc792bd32977edb0 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>): >> drivers/net/wireless/realtek/rtw88/rtw8822b.c:88:8: warning: type qualifiers >> ignored on function return type [-Wignored-qualifiers] 88 | static const u8 rtw8822b_get_swing_index(struct rtw_dev *rtwdev) | ^~~~~ drivers/net/wireless/realtek/rtw88/rtw8822b.c:1440:6: warning: no previous prototype for 'rtw8822b_pwr_track' [-Wmissing-prototypes] 1440 | void rtw8822b_pwr_track(struct rtw_dev *rtwdev) | ^~~~~~~~~~~~~~~~~~ vim +88 drivers/net/wireless/realtek/rtw88/rtw8822b.c 87 > 88 static const u8 rtw8822b_get_swing_index(struct rtw_dev *rtwdev) 89 { 90 u8 i = 0; 91 u32 swing, table_value; 92 93 swing = rtw_read32_mask(rtwdev, 0xc1c, 0xffe00000); 94 for (i = 0; i < RTW_TXSCALE_SIZE; i++) { 95 table_value = rtw8822b_txscale_tbl[i]; 96 if (swing == table_value) 97 break; 98 } 99 100 return i; 101 } 102 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
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