tree: https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git devel head: b1d08004826c99d8af2be6744a7c623a18965562 commit: b32e61377f052498dd5b44b6029776457bf4cc24 [36/60] include condition in the BUG_ON/WARN_ON output config: h8300-randconfig-s032-20200607 (attached as .config) compiler: h8300-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-247-gcadbd124-dirty git checkout b32e61377f052498dd5b44b6029776457bf4cc24 # save the attached .config to linux build tree make W=1 C=1 ARCH=h8300 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) vim +3232 drivers/mtd/nand/raw/nand_base.c ba84fb5952af11 drivers/mtd/nand/nand_base.c Brian Norris 2014-01-03 3223 85e08e5864458b drivers/mtd/nand/raw/nand_base.c Boris Brezillon 2018-07-27 3224 static void nand_wait_readrdy(struct nand_chip *chip) 85e08e5864458b drivers/mtd/nand/raw/nand_base.c Boris Brezillon 2018-07-27 3225 { 52f05b6b87decf drivers/mtd/nand/raw/nand_base.c Boris Brezillon 2018-07-27 3226 const struct nand_sdr_timings *sdr; 52f05b6b87decf drivers/mtd/nand/raw/nand_base.c Boris Brezillon 2018-07-27 3227 85e08e5864458b drivers/mtd/nand/raw/nand_base.c Boris Brezillon 2018-07-27 3228 if (!(chip->options & NAND_NEED_READRDY)) 85e08e5864458b drivers/mtd/nand/raw/nand_base.c Boris Brezillon 2018-07-27 3229 return; 85e08e5864458b drivers/mtd/nand/raw/nand_base.c Boris Brezillon 2018-07-27 3230 52f05b6b87decf drivers/mtd/nand/raw/nand_base.c Boris Brezillon 2018-07-27 3231 sdr = nand_get_sdr_timings(&chip->data_interface); 52f05b6b87decf drivers/mtd/nand/raw/nand_base.c Boris Brezillon 2018-07-27 @3232 WARN_ON(nand_wait_rdy_op(chip, PSEC_TO_MSEC(sdr->tR_max), 0)); 85e08e5864458b drivers/mtd/nand/raw/nand_base.c Boris Brezillon 2018-07-27 3233 } 85e08e5864458b drivers/mtd/nand/raw/nand_base.c Boris Brezillon 2018-07-27 3234 :::::: The code at line 3232 was first introduced by commit :::::: 52f05b6b87decfc74245ac16b4ae18e321b5ae98 mtd: rawnand: Add the nand_wait_rdy_op() helper and use it :::::: TO: Boris Brezillon <boris.brezillon(a)bootlin.com&gt; :::::: CC: Miquel Raynal <miquel.raynal(a)bootlin.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org