Hi, I love your patch! Yet something to improve: [auto build test ERROR on spi/for-next] [also build test ERROR on next-20210507] [cannot apply to mtd/nand/next stm32/stm32-next v5.12] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/patrice-chotard-foss-st-com/MTD-spinand-Add-spi_mem_poll_status-support/20210507-211933 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next config: nios2-randconfig-s032-20210507 (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://github.com/0day-ci/linux/commit/7f27dc0ce5a74374bac3b33a0e77098ad6465ab8 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review patrice-chotard-foss-st-com/MTD-spinand-Add-spi_mem_poll_status-support/20210507-211933 git checkout 7f27dc0ce5a74374bac3b33a0e77098ad6465ab8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): nios2-linux-ld: drivers/spi/spi-stm32-qspi.o: in function `stm32_qspi_send.isra.0': >> spi-stm32-qspi.c:(.text+0x4e0): undefined reference to `spi_mem_finalize_op' spi-stm32-qspi.c:(.text+0x4e0): relocation truncated to fit: R_NIOS2_CALL26 against `spi_mem_finalize_op' Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for SERIAL_CORE_CONSOLE Depends on TTY && HAS_IOMEM Selected by - EARLY_PRINTK --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org