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Subject[ammarfaizi2-block:palmer/linux/riscv-d1-merge 19/20] arch/riscv/errata/thead/errata.c:61:6: warning: variable 'cpu_apply_errata' set but not used
tree:   https://github.com/ammarfaizi2/linux-block palmer/linux/riscv-d1-merge
head: 93a6d3583d613a2ff1c6d28060c78af8631e0d21
commit: 5acf4c1828afd2b357b001c796fbbbaad5461ba4 [19/20] riscv: add memory-type errata for T-Head
config: riscv-randconfig-c006-20220321 (https://download.01.org/0day-ci/archive/20220321/202203211709.nW1Uc4Zs-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 85e9b2687a13d1908aa86d1b89c5ce398a06cd39)
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 riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://github.com/ammarfaizi2/linux-block/commit/5acf4c1828afd2b357b001c796fbbbaad5461ba4
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block palmer/linux/riscv-d1-merge
git checkout 5acf4c1828afd2b357b001c796fbbbaad5461ba4
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash

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 >>):

>> arch/riscv/errata/thead/errata.c:61:6: warning: variable 'cpu_apply_errata' set but not used [-Wunused-but-set-variable]
u32 cpu_apply_errata = 0;
^
1 warning generated.


vim +/cpu_apply_errata +61 arch/riscv/errata/thead/errata.c

54
55 void __init_or_module thead_errata_patch_func(struct alt_entry *begin, struct alt_entry *end,
56 unsigned long archid, unsigned long impid,
57 unsigned int stage)
58 {
59 struct alt_entry *alt;
60 u32 cpu_req_errata = thead_errata_probe(stage, archid, impid);
> 61 u32 cpu_apply_errata = 0;

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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