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: arc-randconfig-r021-20210507 (attached as .config) compiler: arc-elf-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 # 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 W=1 ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): arc-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks': stackdepot.c:(.text+0x3d2): undefined reference to `__irqentry_text_start' arc-elf-ld: stackdepot.c:(.text+0x3d2): undefined reference to `__irqentry_text_start' arc-elf-ld: stackdepot.c:(.text+0x3da): undefined reference to `__irqentry_text_end' arc-elf-ld: stackdepot.c:(.text+0x3da): undefined reference to `__irqentry_text_end' arc-elf-ld: stackdepot.c:(.text+0x3e2): undefined reference to `__softirqentry_text_start' arc-elf-ld: stackdepot.c:(.text+0x3e2): undefined reference to `__softirqentry_text_start' arc-elf-ld: stackdepot.c:(.text+0x3ea): undefined reference to `__softirqentry_text_end' arc-elf-ld: stackdepot.c:(.text+0x3ea): undefined reference to `__softirqentry_text_end' arc-elf-ld: drivers/spi/spi-stm32-qspi.o: in function `stm32_qspi_send.isra.0': spi-stm32-qspi.c:(.text+0x39a): undefined reference to `spi_mem_finalize_op' >> arc-elf-ld: spi-stm32-qspi.c:(.text+0x39a): undefined reference to `spi_mem_finalize_op' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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