tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9cb1fd0efd195590b828b9b865421ad345a4a145 commit: 0eb707ac7dd7a4329d93d47feada6c9bb5ea8ee9 spi: meson-spicc: adapt burst handling for G12A support date: 2 months ago config: h8300-randconfig-r006-20200526 (attached as .config) compiler: h8300-linux-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 0eb707ac7dd7a4329d93d47feada6c9bb5ea8ee9 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): drivers/spi/spi-meson-spicc.c: In function 'meson_spicc_reset_fifo': 363 | u32 data; | ^~~~ vim +/data +363 drivers/spi/spi-meson-spicc.c 360 361 static void meson_spicc_reset_fifo(struct meson_spicc_device *spicc) 362 { 364 365 if (spicc->data->has_oen) 366 writel_bits_relaxed(SPICC_ENH_MAIN_CLK_AO, 367 SPICC_ENH_MAIN_CLK_AO, 368 spicc->base + SPICC_ENH_CTL0); 369 370 writel_bits_relaxed(SPICC_FIFORST_W1_MASK, SPICC_FIFORST_W1_MASK, 371 spicc->base + SPICC_TESTREG); 372 373 while (meson_spicc_rxready(spicc)) 374 data = readl_relaxed(spicc->base + SPICC_RXDATA); 375 376 if (spicc->data->has_oen) 377 writel_bits_relaxed(SPICC_ENH_MAIN_CLK_AO, 0, 378 spicc->base + SPICC_ENH_CTL0); 379 } 380 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org