tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing head: 477122a1eec325621cefd62da8bd8ac20a66fb8e commit: 4387ea43e3a9dac058adfe5fc68e0e82750201e5 [39/44] usb: dwc3: qcom: Configure wakeup interrupts during suspend config: mips-randconfig-r024-20220611 (https://download.01.org/0day-ci/archive/20220611/202206111907.EvH06x2T-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project ff4abe755279a3a47cc416ef80dbc900d9a98a19) 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 mips cross compiling tool for clang build # apt-get install binutils-mipsel-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git/commit/?id=4387ea43e3a9dac058adfe5fc68e0e82750201e5 git remote add usb https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git git fetch --no-tags usb usb-testing git checkout 4387ea43e3a9dac058adfe5fc68e0e82750201e5 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/usb/dwc3/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/usb/dwc3/dwc3-qcom.c:301:23: warning: no previous prototype for function 'dwc3_qcom_read_usb2_speed' [-Wmissing-prototypes] enum usb_device_speed dwc3_qcom_read_usb2_speed(struct dwc3_qcom *qcom) ^ drivers/usb/dwc3/dwc3-qcom.c:301:1: note: declare 'static' if the function is not intended to be used outside of this translation unit enum usb_device_speed dwc3_qcom_read_usb2_speed(struct dwc3_qcom *qcom) ^ static 1 warning generated. vim +/dwc3_qcom_read_usb2_speed +301 drivers/usb/dwc3/dwc3-qcom.c 300 > 301 enum usb_device_speed dwc3_qcom_read_usb2_speed(struct dwc3_qcom *qcom) 302 { 303 struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3); 304 struct usb_hcd *hcd = platform_get_drvdata(dwc->xhci); 305 struct usb_device *udev; 306 307 /* 308 * It is possible to query the speed of all children of 309 * USB2.0 root hub via usb_hub_for_each_child(). DWC3 code 310 * currently supports only 1 port per controller. So 311 * this is sufficient. 312 */ 313 udev = usb_hub_find_child(hcd->self.root_hub, 1); 314 315 if (!udev) 316 return USB_SPEED_UNKNOWN; 317 318 return udev->speed; 319 } 320 -- 0-DAY CI Kernel Test Service https://01.org/lkp
