Hi Ben, I love your patch! Yet something to improve: [auto build test ERROR on 53989fad1286e652ea3655ae3367ba698da8d2ff] url: https://github.com/0day-ci/linux/commits/Ben-Widawsky/Add-drivers-for-CXL-ports-and-mem-devices/20211120-080513 base: 53989fad1286e652ea3655ae3367ba698da8d2ff config: alpha-randconfig-r026-20211118 (attached as .config) compiler: alpha-linux-gcc (GCC) 11.2.0 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/0day-ci/linux/commit/8ff43502e84dd4fa1296a131cb0cc82146389db4 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ben-Widawsky/Add-drivers-for-CXL-ports-and-mem-devices/20211120-080513 git checkout 8ff43502e84dd4fa1296a131cb0cc82146389db4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/cxl/port.c: In function 'get_decoder_size': >> drivers/cxl/port.c:105:16: error: implicit declaration of function 'ioread64_hi_lo' [-Werror=implicit-function-declaration] 105 | return ioread64_hi_lo(hdm_decoder + | ^~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/ioread64_hi_lo +105 drivers/cxl/port.c 97 98 static u64 get_decoder_size(void __iomem *hdm_decoder, int n) 99 { 100 u32 ctrl = readl(hdm_decoder + CXL_HDM_DECODER0_CTRL_OFFSET(n)); 101 102 if (ctrl & CXL_HDM_DECODER0_CTRL_COMMITTED) 103 return 0; 104 > 105 return ioread64_hi_lo(hdm_decoder + 106 CXL_HDM_DECODER0_SIZE_LOW_OFFSET(n)); 107 } 108 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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