[kbuild-all] [xilinx-xlnx:xlnx_rebase_v5.10 1947/1981] drivers/usb/dwc3/dwc3-xilinx.c:509:6: warning: no previous prototype for 'dwc3_xilinx_wakeup_capable'

tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.10 head: 87ec9a2d98a7a7dfc98b57348a0ec310fd170e4b commit: e2af4271df5c22814241e855edd3a23d6fae326b [1947/1981] usb: dwc3: Added remote wake-up in xilinx glue driver config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20211218/202112181013.6S0P8GDs-lk...) compiler: aarch64-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/Xilinx/linux-xlnx/commit/e2af4271df5c22814241e855edd3a... git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.10 git checkout e2af4271df5c22814241e855edd3a23d6fae326b # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/remoteproc/ drivers/usb/dwc3/ 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 >>): 509 | void dwc3_xilinx_wakeup_capable(struct device *dev, bool wakeup) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/dwc3_xilinx_wakeup_capable +509 drivers/usb/dwc3/dwc3-xilinx.c 507 508 /* xilinx feature support functions */ 510 { 511 struct device_node *node = of_node_get(dev->parent->of_node); 512 513 /* check for valid parent node */ 514 while (node) { 515 if (of_device_is_compatible(node, "xlnx,zynqmp-dwc3") || 516 of_device_is_compatible(node, "xlnx,versal-dwc3")) 517 break; 518 519 /* get the next parent node */ 520 node = of_get_next_parent(node); 521 } 522 523 if (node) { 524 struct platform_device *pdev_parent; 525 struct dwc3_xlnx *priv_data; 526 527 pdev_parent = of_find_device_by_node(node); 528 priv_data = platform_get_drvdata(pdev_parent); 529 530 /* Set wakeup capable as true or false */ 531 priv_data->wakeup_capable = wakeup; 532 533 /* Allow D3 state if wakeup capable only */ 534 priv_data->enable_d3_suspend = wakeup; 535 } 536 } 537 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org