Hi Liming, kernel test robot noticed the following build errors: [auto build test ERROR on ulf-hansson-mmc-mirror/next] [also build test ERROR on linus/master v6.4-rc1 next-20230512] [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/Liming-Sun/mmc-sdhci-of-dwcmshc-Add-runtime-PM-operations/20230512-202948 base: https://git.linaro.org/people/ulf.hansson/mmc-mirror.git next patch link: https://lore.kernel.org/r/20230512122648.223974-1-limings%40nvidia.com patch subject: [PATCH v3] mmc: sdhci-of-dwcmshc: Add runtime PM operations config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20230513/202305130116.ynGq0pC5-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/eb5d4c0702ce24630f3d82a37f39437f52607cbb git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Liming-Sun/mmc-sdhci-of-dwcmshc-Add-runtime-PM-operations/20230512-202948 git checkout eb5d4c0702ce24630f3d82a37f39437f52607cbb # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202305130116.ynGq0pC5-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/mmc/host/sdhci-of-dwcmshc.c: In function 'dwcmshc_runtime_suspend': >> drivers/mmc/host/sdhci-of-dwcmshc.c:674:17: error: implicit declaration of function 'dwcmshc_disable_card_clk' [-Werror=implicit-function-declaration] 674 | dwcmshc_disable_card_clk(host); | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/mmc/host/sdhci-of-dwcmshc.c: In function 'dwcmshc_runtime_resume': >> drivers/mmc/host/sdhci-of-dwcmshc.c:684:9: error: implicit declaration of function 'dwcmshc_enable_card_clk' [-Werror=implicit-function-declaration] 684 | dwcmshc_enable_card_clk(host); | ^~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/dwcmshc_disable_card_clk +674 drivers/mmc/host/sdhci-of-dwcmshc.c 666 667 static int dwcmshc_runtime_suspend(struct device *dev) 668 { 669 struct sdhci_host *host = dev_get_drvdata(dev); 670 int ret = 0; 671 672 ret = sdhci_runtime_suspend_host(host); 673 if (!ret) > 674 dwcmshc_disable_card_clk(host); 675 676 return ret; 677 } 678 679 static int dwcmshc_runtime_resume(struct device *dev) 680 { 681 struct sdhci_host *host = dev_get_drvdata(dev); 682 int ret = 0; 683 > 684 dwcmshc_enable_card_clk(host); 685 ret = sdhci_runtime_resume_host(host, 0); 686 687 return ret; 688 } 689 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
