tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   b0c3ba31be3e45a130e13b278cf3b90f69bda6f6
commit: 7c2f66a960fccc165d0b6c594f40f0ad3edfc61f mtd: rawnand: ams-delta: Add module device tables
date:   3 months ago
config: x86_64-randconfig-a004-20200528 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 2d068e534f1671459e1b135852c1b3c10502e929)
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 7c2f66a960fccc165d0b6c594f40f0ad3edfc61f
        # 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: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> drivers/mtd/nand/raw/ams-delta.c:373:34: warning: unused variable 'gpio_nand_of_id_table' [-Wunused-const-variable]
static const struct of_device_id gpio_nand_of_id_table[] = {
^
1 warning generated.

vim +/gpio_nand_of_id_table +373 drivers/mtd/nand/raw/ams-delta.c

   372	
 > 373	static const struct of_device_id gpio_nand_of_id_table[] = {
   374		{
   375			/* sentinel */
   376		},
   377	};
   378	MODULE_DEVICE_TABLE(of, gpio_nand_of_id_table);
   379	

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