tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: b0523c7b1c9d0edcd6c0fe6d2cb558a9ad5c60a8 commit: 98b71a3e1fbb0528387be5642c3650c5c9b875e4 [11620/12912] mmc: sdhci-msm: dump vendor specific registers during error config: arm-multi_v7_defconfig (attached as .config) compiler: arm-linux-gnueabi-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 git checkout 98b71a3e1fbb0528387be5642c3650c5c9b875e4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): 1881 | void sdhci_msm_dump_vendor_regs(struct sdhci_host *host) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/sdhci_msm_dump_vendor_regs +1881 drivers/mmc/host/sdhci-msm.c 1876 1877 #define DRIVER_NAME "sdhci_msm" 1878 #define SDHCI_MSM_DUMP(f, x...) \ 1879 pr_err("%s: " DRIVER_NAME ": " f, mmc_hostname(host->mmc), ## x) 1880 1882 { 1883 struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); 1884 struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); 1885 const struct sdhci_msm_offset *msm_offset = msm_host->offset; 1886 1887 SDHCI_MSM_DUMP("----------- VENDOR REGISTER DUMP -----------\n"); 1888 1889 SDHCI_MSM_DUMP( 1890 "DLL sts: 0x%08x | DLL cfg: 0x%08x | DLL cfg2: 0x%08x\n", 1891 readl_relaxed(host->ioaddr + msm_offset->core_dll_status), 1892 readl_relaxed(host->ioaddr + msm_offset->core_dll_config), 1893 readl_relaxed(host->ioaddr + msm_offset->core_dll_config_2)); 1894 SDHCI_MSM_DUMP( 1895 "DLL cfg3: 0x%08x | DLL usr ctl: 0x%08x | DDR cfg: 0x%08x\n", 1896 readl_relaxed(host->ioaddr + msm_offset->core_dll_config_3), 1897 readl_relaxed(host->ioaddr + msm_offset->core_dll_usr_ctl), 1898 readl_relaxed(host->ioaddr + msm_offset->core_ddr_config)); 1899 SDHCI_MSM_DUMP( 1900 "Vndr func: 0x%08x | Vndr func2 : 0x%08x Vndr func3: 0x%08x\n", 1901 readl_relaxed(host->ioaddr + msm_offset->core_vendor_spec), 1902 readl_relaxed(host->ioaddr + 1903 msm_offset->core_vendor_spec_func2), 1904 readl_relaxed(host->ioaddr + msm_offset->core_vendor_spec3)); 1905 } 1906 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org