Hi Tzu-En, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 15bc20c6af4ceee97a1f90b43c0e386643c071b4 commit: f745eb9ca5bf823bc5c0f82a434cefb41c57844e rtw88: 8821c: Add 8821CE to Kconfig and Makefile date: 6 weeks ago config: arm-randconfig-r012-20200827 (attached as .config) compiler: arm-linux-gnueabi-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 f745eb9ca5bf823bc5c0f82a434cefb41c57844e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> All warnings (new ones prefixed by >>): >> drivers/net/wireless/realtek/rtw88/rtw8821c.c:71:8: warning: type qualifiers >> ignored on function return type [-Wignored-qualifiers] 71 | static const u8 rtw8821c_get_swing_index(struct rtw_dev *rtwdev) | ^~~~~ # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f745eb9ca5bf823bc5c0f82a434cefb41c57844e git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout f745eb9ca5bf823bc5c0f82a434cefb41c57844e vim +71 drivers/net/wireless/realtek/rtw88/rtw8821c.c 3a4312828ce13e1 Tzu-En Huang 2020-06-03 70 3a4312828ce13e1 Tzu-En Huang 2020-06-03 @71 static const u8 rtw8821c_get_swing_index(struct rtw_dev *rtwdev) 3a4312828ce13e1 Tzu-En Huang 2020-06-03 72 { 3a4312828ce13e1 Tzu-En Huang 2020-06-03 73 u8 i = 0; 3a4312828ce13e1 Tzu-En Huang 2020-06-03 74 u32 swing, table_value; 3a4312828ce13e1 Tzu-En Huang 2020-06-03 75 3a4312828ce13e1 Tzu-En Huang 2020-06-03 76 swing = rtw_read32_mask(rtwdev, REG_TXSCALE_A, 0xffe00000); 3a4312828ce13e1 Tzu-En Huang 2020-06-03 77 for (i = 0; i < ARRAY_SIZE(rtw8821c_txscale_tbl); i++) { 3a4312828ce13e1 Tzu-En Huang 2020-06-03 78 table_value = rtw8821c_txscale_tbl[i]; 3a4312828ce13e1 Tzu-En Huang 2020-06-03 79 if (swing == table_value) 3a4312828ce13e1 Tzu-En Huang 2020-06-03 80 break; 3a4312828ce13e1 Tzu-En Huang 2020-06-03 81 } 3a4312828ce13e1 Tzu-En Huang 2020-06-03 82 3a4312828ce13e1 Tzu-En Huang 2020-06-03 83 return i; 3a4312828ce13e1 Tzu-En Huang 2020-06-03 84 } 3a4312828ce13e1 Tzu-En Huang 2020-06-03 85 :::::: The code at line 71 was first introduced by commit :::::: 3a4312828ce13e1645fd3af76e4314a2623b3361 rtw88: 8821c: add power tracking :::::: TO: Tzu-En Huang <[email protected]> :::::: CC: Kalle Valo <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
