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Subjectdrivers/opp/of.c:959:12: warning: stack frame size of 2064 bytes in function '_of_add_table_indexed'
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 3fb6d0e00efc958d01c2f109c8453033a2d96796
commit: 406e47652161d4f0d9bc4cd6237b36c51497ec75 opp: Create _of_add_table_indexed() to reduce code duplication
date: 4 weeks ago
config: powerpc64-randconfig-r002-20210227 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 83bc7815c4235786111aa2abf7193292e4a602f5)
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 powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=406e47652161d4f0d9bc4cd6237b36c51497ec75
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 406e47652161d4f0d9bc4cd6237b36c51497ec75
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64

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/opp/of.c:959:12: warning: stack frame size of 2064 bytes in function '_of_add_table_indexed' [-Wframe-larger-than=]
static int _of_add_table_indexed(struct device *dev, int index)
^
1 warning generated.


vim +/_of_add_table_indexed +959 drivers/opp/of.c

958
> 959 static int _of_add_table_indexed(struct device *dev, int index)
960 {
961 struct opp_table *opp_table;
962 int ret, count;
963
964 if (index) {
965 /*
966 * If only one phandle is present, then the same OPP table
967 * applies for all index requests.
968 */
969 count = of_count_phandle_with_args(dev->of_node,
970 "operating-points-v2", NULL);
971 if (count == 1)
972 index = 0;
973 }
974
975 opp_table = _add_opp_table_indexed(dev, index);
976 if (IS_ERR(opp_table))
977 return PTR_ERR(opp_table);
978
979 /*
980 * OPPs have two version of bindings now. Also try the old (v1)
981 * bindings for backward compatibility with older dtbs.
982 */
983 if (opp_table->np)
984 ret = _of_add_opp_table_v2(dev, opp_table);
985 else
986 ret = _of_add_opp_table_v1(dev, opp_table);
987
988 if (ret)
989 dev_pm_opp_put_opp_table(opp_table);
990
991 return ret;
992 }
993

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