Hi Bhaskara, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.10-rc3] [cannot apply to next-20201112] [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/Bhaskara-Budiredla/mmc-support-c... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3d5e28bff7ad55aea081c1af516cc1c94a5eca7d config: sh-allmodconfig (attached as .config) compiler: sh4-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 # https://github.com/0day-ci/linux/commit/fcb0b29143a613365939640cb07f0285f... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Bhaskara-Budiredla/mmc-support-crash-logging-to-MMC-block-devices/20201112-142552 git checkout fcb0b29143a613365939640cb07f0285fdab9a1f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): ERROR: modpost: "clk_set_min_rate" [sound/soc/atmel/snd-soc-mchp-spdifrx.ko] undefined! ERROR: modpost: "scp_get_venc_hw_capa" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "scp_ipi_send" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "scp_put" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "scp_get" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "scp_get_vdec_hw_capa" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "scp_ipi_register" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "scp_mapping_dm_addr" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "scp_get_rproc" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "rproc_boot" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "__delay" [drivers/net/mdio/mdio-cavium.ko] undefined! --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org