drivers/usb/gadget/udc/max3420_udc.c:1311:34: warning: unused variable 'max3420_udc_of_match'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   92ed301919932f777713b9172e525674157e983d
commit: 48ba02b2e2b1a1c80718e93fefe99c8319597c4a usb: gadget: add udc driver for max3420
date:   5 months ago
config: x86_64-randconfig-r001-20200728 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project e57464151d4c4912a7ec4d6fd0920056b2f75c7c)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        git checkout 48ba02b2e2b1a1c80718e93fefe99c8319597c4a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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/gadget/udc/max3420_udc.c:1311:34: warning: unused variable 'max3420_udc_of_match' [-Wunused-const-variable]
   static const struct of_device_id max3420_udc_of_match[] = {
                                    ^
   1 warning generated.

vim +/max3420_udc_of_match +1311 drivers/usb/gadget/udc/max3420_udc.c

  1310	
> 1311	static const struct of_device_id max3420_udc_of_match[] = {
  1312		{ .compatible = "maxim,max3420-udc"},
  1313		{ .compatible = "maxim,max3421-udc"},
  1314		{},
  1315	};
  1316	MODULE_DEVICE_TABLE(of, max3420_udc_of_match);
  1317	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip