Hi Shawn, I love your patch! Perhaps something to improve: [auto build test WARNING on balbi-usb/testing/next] [also build test WARNING on v5.11-rc1 next-20201223] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Shawn-Guo/usb-dwc3-qcom-add-URS-Host-support-for-sdm845-ACPI-boot/20201230-205430 base: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git testing/next config: xtensa-allyesconfig (attached as .config) compiler: xtensa-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 # https://github.com/0day-ci/linux/commit/c3faeb501efb31e035beca1c0fee1cca6ec16392 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Shawn-Guo/usb-dwc3-qcom-add-URS-Host-support-for-sdm845-ACPI-boot/20201230-205430 git checkout c3faeb501efb31e035beca1c0fee1cca6ec16392 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/usb/dwc3/dwc3-qcom.c: In function 'dwc3_qcom_create_urs_usb_platdev': drivers/usb/dwc3/dwc3-qcom.c:675:9: error: implicit declaration of function 'acpi_create_platform_device' [-Werror=implicit-function-declaration] 675 | return acpi_create_platform_device(adev, NULL); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/usb/dwc3/dwc3-qcom.c:675:9: warning: returning 'int' from a function with return type 'struct platform_device *' makes pointer from integer without a cast [-Wint-conversion] 675 | return acpi_create_platform_device(adev, NULL); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +675 drivers/usb/dwc3/dwc3-qcom.c 659 660 static struct platform_device * 661 dwc3_qcom_create_urs_usb_platdev(struct device *dev) 662 { 663 struct fwnode_handle *fwh; 664 struct acpi_device *adev; 665 666 /* Find the first child of URS node */ 667 fwh = fwnode_call_ptr_op(dev->fwnode, get_next_child_node, NULL); 668 if (!fwh) 669 return NULL; 670 671 adev = to_acpi_device_node(fwh); 672 if (!adev) 673 return NULL; 674 > 675 return acpi_create_platform_device(adev, NULL); 676 } 677 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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