Hi jlinton, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on usb/usb-testing] [also build test WARNING on peter.chen-usb/for-usb-next balbi-usb/testing/next v5.12-rc6 next-20210407] [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/jlinton/usb-dwc2-Enable-RPi-in-A... base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: parisc-randconfig-r005-20210407 (attached as .config) compiler: hppa-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/09dcd4fc8628ed453434dee372e69ec8e... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review jlinton/usb-dwc2-Enable-RPi-in-ACPI-mode/20210408-112405 git checkout 09dcd4fc8628ed453434dee372e69ec8e5d3d338 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc 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 >>): 236 | { "BCM2848", dwc2_set_bcm_params }, | ^~~~~~~~~~~~~~~~~~~ drivers/usb/dwc2/params.c:236:15: note: (near initialization for 'dwc2_acpi_match[0].driver_data') drivers/usb/dwc2/params.c: In function 'dwc2_init_params': 890 | amatch = acpi_match_device(dwc2_acpi_match, hsotg->dev); | ^ 892 | set_params = amatch->driver_data; | ^ vim +236 drivers/usb/dwc2/params.c 234 235 const struct acpi_device_id dwc2_acpi_match[] = { 237 { }, 238 }; 239 MODULE_DEVICE_TABLE(acpi, dwc2_acpi_match); 240 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org