[kbuild-all] [chrome-os:chromeos-5.4 10/50] drivers/misc/cardreader/rtsx_pcr.c:1108:13: error: 'rtsx_base_force_power_down' defined but not used

tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4 head: 81dc15c630b5fc7ceda25a74b4a06400e0b73727 commit: 343835bda63b3072f3025a7b1870990c8a790d54 [10/50] UPSTREAM: misc: rtsx: Fix power down flow config: powerpc64-randconfig-r021-20210521 (attached as .config) compiler: powerpc64-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 git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.4 git checkout 343835bda63b3072f3025a7b1870990c8a790d54 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc64 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 >>): drivers/misc/cardreader/rtsx_pcr.c: In function 'rtsx_pci_init_hw': drivers/misc/cardreader/rtsx_pcr.c:1370:2: error: implicit declaration of function 'rtsx_pci_write_config_byte'; did you mean 'pci_write_config_byte'? [-Werror=implicit-function-declaration] 1370 | rtsx_pci_write_config_byte(pcr, pcr->pcie_cap + PCI_EXP_LNKCTL + 1, 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ | pci_write_config_byte drivers/misc/cardreader/rtsx_pcr.c:1370:37: error: 'struct rtsx_pcr' has no member named 'pcie_cap' 1370 | rtsx_pci_write_config_byte(pcr, pcr->pcie_cap + PCI_EXP_LNKCTL + 1, 1); | ^~ drivers/misc/cardreader/rtsx_pcr.c:1372:24: error: 'pdev' undeclared (first use in this function); did you mean 'cdev'? 1372 | pci_write_config_byte(pdev, 0x70F, 0x5B); | ^~~~ | cdev drivers/misc/cardreader/rtsx_pcr.c:1372:24: note: each undeclared identifier is reported only once for each function it appears in At top level: 1108 | static void rtsx_base_force_power_down(struct rtsx_pcr *pcr, u8 pm_state) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/rtsx_base_force_power_down +1108 drivers/misc/cardreader/rtsx_pcr.c 1107 1109 { 1110 /* Set relink_time to 0 */ 1111 rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, MASK_8_BIT_DEF, 0); 1112 rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, MASK_8_BIT_DEF, 0); 1113 rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3, 1114 RELINK_TIME_MASK, 0); 1115 1116 rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 1117 D3_DELINK_MODE_EN, D3_DELINK_MODE_EN); 1118 1119 rtsx_pci_write_register(pcr, FPDCTL, ALL_POWER_DOWN, ALL_POWER_DOWN); 1120 } 1121 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org