Hi, Thank you for the patch! Yet something to improve: [auto build test ERROR on char-misc/char-misc-testing] [also build test ERROR on soc/for-next linus/master v5.9-rc6 next-20200923] [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/rui_feng-realsil-com-cn/mmc-rtsx-Add-SD-Express-mode-support-for-RTS5261/20200924-154122 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git 26ed5146bd17cbcd0fb84e358902ac244728a3f3 config: arc-allyesconfig (attached as .config) compiler: arceb-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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): drivers/mmc/host/rtsx_pci_sdmmc.c: In function 'sd_power_on': >> drivers/mmc/host/rtsx_pci_sdmmc.c:931:20: error: 'MMC_CAP2_SD_EXP' undeclared (first use in this function); did you mean 'MMC_CAP2_NO_SD'? 931 | mmc->caps2 &= ~(MMC_CAP2_SD_EXP | MMC_CAP2_SD_EXP_1_2V); | ^~~~~~~~~~~~~~~ | MMC_CAP2_NO_SD drivers/mmc/host/rtsx_pci_sdmmc.c:931:20: note: each undeclared identifier is reported only once for each function it appears in >> drivers/mmc/host/rtsx_pci_sdmmc.c:931:38: error: 'MMC_CAP2_SD_EXP_1_2V' undeclared (first use in this function); did you mean 'MMC_CAP2_HS400_1_2V'? 931 | mmc->caps2 &= ~(MMC_CAP2_SD_EXP | MMC_CAP2_SD_EXP_1_2V); | ^~~~~~~~~~~~~~~~~~~~ | MMC_CAP2_HS400_1_2V drivers/mmc/host/rtsx_pci_sdmmc.c: In function 'sdmmc_get_cd': drivers/mmc/host/rtsx_pci_sdmmc.c:1141:17: error: 'MMC_CAP2_SD_EXP' undeclared (first use in this function); did you mean 'MMC_CAP2_NO_SD'? 1141 | mmc->caps2 |= MMC_CAP2_SD_EXP | MMC_CAP2_SD_EXP_1_2V; | ^~~~~~~~~~~~~~~ | MMC_CAP2_NO_SD drivers/mmc/host/rtsx_pci_sdmmc.c:1141:35: error: 'MMC_CAP2_SD_EXP_1_2V' undeclared (first use in this function); did you mean 'MMC_CAP2_HS400_1_2V'? 1141 | mmc->caps2 |= MMC_CAP2_SD_EXP | MMC_CAP2_SD_EXP_1_2V; | ^~~~~~~~~~~~~~~~~~~~ | MMC_CAP2_HS400_1_2V drivers/mmc/host/rtsx_pci_sdmmc.c: At top level: >> drivers/mmc/host/rtsx_pci_sdmmc.c:1376:3: error: 'const struct mmc_host_ops' has no member named 'init_sd_express' 1376 | .init_sd_express = sdmmc_init_sd_express, | ^~~~~~~~~~~~~~~ drivers/mmc/host/rtsx_pci_sdmmc.c: In function 'init_extra_caps': drivers/mmc/host/rtsx_pci_sdmmc.c:1399:17: error: 'MMC_CAP2_SD_EXP' undeclared (first use in this function); did you mean 'MMC_CAP2_NO_SD'? 1399 | mmc->caps2 |= MMC_CAP2_SD_EXP | MMC_CAP2_SD_EXP_1_2V; | ^~~~~~~~~~~~~~~ | MMC_CAP2_NO_SD drivers/mmc/host/rtsx_pci_sdmmc.c:1399:35: error: 'MMC_CAP2_SD_EXP_1_2V' undeclared (first use in this function); did you mean 'MMC_CAP2_HS400_1_2V'? 1399 | mmc->caps2 |= MMC_CAP2_SD_EXP | MMC_CAP2_SD_EXP_1_2V; | ^~~~~~~~~~~~~~~~~~~~ | MMC_CAP2_HS400_1_2V # https://github.com/0day-ci/linux/commit/37daa224f78ef228349cee981d690b735fb9bb2b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review rui_feng-realsil-com-cn/mmc-rtsx-Add-SD-Express-mode-support-for-RTS5261/20200924-154122 git checkout 37daa224f78ef228349cee981d690b735fb9bb2b vim +931 drivers/mmc/host/rtsx_pci_sdmmc.c 894 895 static int sd_power_on(struct realtek_pci_sdmmc *host) 896 { 897 struct rtsx_pcr *pcr = host->pcr; 898 struct mmc_host *mmc = host->mmc; 899 int err; 900 u32 val; 901 902 if (host->power_state == SDMMC_POWER_ON) 903 return 0; 904 905 rtsx_pci_init_cmd(pcr); 906 rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_SELECT, 0x07, SD_MOD_SEL); 907 rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_SHARE_MODE, 908 CARD_SHARE_MASK, CARD_SHARE_48_SD); 909 rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_CLK_EN, 910 SD_CLK_EN, SD_CLK_EN); 911 err = rtsx_pci_send_cmd(pcr, 100); 912 if (err < 0) 913 return err; 914 915 err = rtsx_pci_card_pull_ctl_enable(pcr, RTSX_SD_CARD); 916 if (err < 0) 917 return err; 918 919 err = rtsx_pci_card_power_on(pcr, RTSX_SD_CARD); 920 if (err < 0) 921 return err; 922 923 err = rtsx_pci_write_register(pcr, CARD_OE, SD_OUTPUT_EN, SD_OUTPUT_EN); 924 if (err < 0) 925 return err; 926 927 if (PCI_PID(pcr) == PID_5261) { 928 val = rtsx_pci_readl(pcr, RTSX_BIPR); 929 if (val & SD_WRITE_PROTECT) { 930 pcr->extra_caps &= ~EXTRA_CAPS_SD_EXPRESS; > 931 mmc->caps2 &= ~(MMC_CAP2_SD_EXP | MMC_CAP2_SD_EXP_1_2V); 932 } 933 } 934 935 host->power_state = SDMMC_POWER_ON; 936 return 0; 937 } 938 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org