Hi Shawn, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v6.2-rc6 next-20230131] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Shawn-Lin/mmc-sdhci-of-dwcmshc-Update-DLL-and-pre-change-delay-for-rockchip-platform/20230131-084738 patch link: https://lore.kernel.org/r/1675125991-189452-4-git-send-email-shawn.lin%40rock-chips.com patch subject: [PATCH v2 3/3] mmc: sdhci-of-dwcmshc: Add host software queue support config: riscv-randconfig-r042-20230129 (https://download.01.org/0day-ci/archive/20230201/202302010000.KeMtGkbw-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/73576aaa2a9d56edd98c4259a33d4896677bb211 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Shawn-Lin/mmc-sdhci-of-dwcmshc-Update-DLL-and-pre-change-delay-for-rockchip-platform/20230131-084738 git checkout 73576aaa2a9d56edd98c4259a33d4896677bb211 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: mmc_hsq_init >>> referenced by sdhci-of-dwcmshc.c:0 (drivers/mmc/host/sdhci-of-dwcmshc.c:0) >>> drivers/mmc/host/sdhci-of-dwcmshc.o:(dwcmshc_probe) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: mmc_hsq_finalize_request >>> referenced by clk.h:1073 (include/linux/clk.h:1073) >>> drivers/mmc/host/sdhci-of-dwcmshc.o:(sdhci_dwcmshc_request_done) in archive vmlinux.a -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests