tree: https://github.com/miquelraynal/linux-0day.git perso/nand-next/flags head: c5212e24213cba25bcc57e3bbe0781f3e9d83611 commit: 239f1a097e7517b69e4ddd6f12b972d046ec38ad [84/102] fixup! use field get instead of defining obscure values config: i386-allyesconfig (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: git checkout 239f1a097e7517b69e4ddd6f12b972d046ec38ad # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/mtd/nand/raw/nand_base.c: In function 'nand_get_bits_per_cell': return FIELD_GET(GENMASK(3, 2), cellinfo) + 1; ^~~~~~~~~ FOLL_GET cc1: some warnings being treated as errors vim +4654 drivers/mtd/nand/raw/nand_base.c 4650 4651 /* Extract the bits of per cell from the 3rd byte of the extended ID */ 4652 static int nand_get_bits_per_cell(u8 cellinfo) 4653 { 4655 } 4656 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org