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Subjectdrivers/regulator/mp886x.c:203:34: warning: unused variable 'mp886x_dt_ids'
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7fe10096c1508c7f033d34d0741809f8eecc1ed4
commit: 97be82880b617fb6bc06ff19e3ddb039501b2dcf regulator: add support for MP8869 regulator
date: 6 months ago
config: x86_64-randconfig-a011-20200910 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 0a5dc7effb191eff740e0e7ae7bd8e1f6bdb3ad9)
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 97be82880b617fb6bc06ff19e3ddb039501b2dcf
# 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@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/regulator/mp886x.c:203:34: warning: unused variable 'mp886x_dt_ids' [-Wunused-const-variable]
static const struct of_device_id mp886x_dt_ids[] = {
^
1 warning generated.

# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97be82880b617fb6bc06ff19e3ddb039501b2dcf
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 97be82880b617fb6bc06ff19e3ddb039501b2dcf
vim +/mp886x_dt_ids +203 drivers/regulator/mp886x.c

202
> 203 static const struct of_device_id mp886x_dt_ids[] = {
204 {
205 .compatible = "mps,mp8869",
206 .data = &mp8869_regulator_ops
207 },
208 { }
209 };
210 MODULE_DEVICE_TABLE(of, mp886x_dt_ids);
211

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