Hi Manish, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on usb/usb-testing] [also build test WARNING on robh/for-next v5.12-rc3 next-20210316] [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/Manish-Narani/Add-a-separate-DWC3-OF-driver-for-Xilinx-platforms/20210317-145425 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: arm64-allyesconfig (attached as .config) compiler: aarch64-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/def409fdf931cd77f4a88812570ea6f38f4053d8 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Manish-Narani/Add-a-separate-DWC3-OF-driver-for-Xilinx-platforms/20210317-145425 git checkout def409fdf931cd77f4a88812570ea6f38f4053d8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/usb/dwc3/dwc3-xilinx.c:27: warning: expecting prototype for dwc3(). Prototype was for XLNX_USB_PHY_RST_EN() instead vim +27 drivers/usb/dwc3/dwc3-xilinx.c 25 26 /* USB phy reset mask register */ > 27 #define XLNX_USB_PHY_RST_EN 0x001C 28 #define XLNX_PHY_RST_MASK 0x1 29 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org