tree: git://git.armlinux.org.uk/~rmk/linux-arm.git cex7 head: 2457e1460381f744daae7d22695c7d819518d802 commit: 2457e1460381f744daae7d22695c7d819518d802 [91/91] net: add qsfp support [*experimental*] config: powerpc-randconfig-r036-20200712 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 02946de3802d3bc65bc9f2eb9b8d4969b5a7add8) 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 # install powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu git checkout 2457e1460381f744daae7d22695c7d819518d802 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): qsfp_sm_ins_next(qsfp, SFP_MOD_PRESENT, 0); ^ drivers/net/phy/qsfp.c:1222:2: note: previous statement is here if (!qsfp->gpio_irq[GPIO_INTL]) ^ 1 warning generated. vim +/if +1229 drivers/net/phy/qsfp.c 1215 1216 if (qsfp->sm_dev_state == SFP_DEV_DETACHED) { 1217 qsfp_sm_ins_next(qsfp, SFP_MOD_WATTACH, 0); 1218 return; 1219 } 1220 1221 // Start the poller if there is no interrupt support if not running 1222 if (!qsfp->gpio_irq[GPIO_INTL]) 1223 queue_delayed_work(system_wq, &qsfp->poll, poll_jiffies); 1224 1225 // ret = sfp_module_insert(qsfp->sfp_bus, &id); 1226 // if (ret < 0) 1227 // qsfp_sm_ins_next(qsfp, SFP_MOD_ERROR, 0); 1228 // else 1230 } 1231 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org