Quoting Konrad Dybcio (2021-09-02 02:01:30)
> 
> On 02.09.2021 10:57, kernel test robot wrote:
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> > head:   34560ced20599a01660a693f464c7c7dc83db1d9
> > commit: 131abae905df99f63d825e47b4df100d34f518ce [10841/11508] clk: qcom: Add SM6350 GCC driver
> > config: riscv-buildonly-randconfig-r006-20210902 (attached as .config)
> > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c9948e9254fbb6ea00f66c7b4542311d21e060be)
> > 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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=131abae905df99f63d825e47b4df100d34f518ce
> >         git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> >         git fetch --no-tags linux-next master
> >         git checkout 131abae905df99f63d825e47b4df100d34f518ce
> >         # save the attached .config to linux build tree
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv 
> >
> > 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/clk/qcom/gcc-sm6350.c:179:37: warning: unused variable 'gcc_parent_data_2' [-Wunused-const-variable]
> >    static const struct clk_parent_data gcc_parent_data_2[] = {
> >                                        ^
> >    1 warning generated.
> >
> >
> > vim +/gcc_parent_data_2 +179 drivers/clk/qcom/gcc-sm6350.c
> >
> >    178        
> >  > 179        static const struct clk_parent_data gcc_parent_data_2[] = {
> >    180                { .fw_name = "bi_tcxo" },
> >    181                { .hw = &gpll0_out_odd.clkr.hw },
> >    182        };
> >    183        static const struct clk_parent_data gcc_parent_data_2_ao[] = {
> >    184                { .fw_name = "bi_tcxo_ao" },
> >    185                { .hw = &gpll0_out_odd.clkr.hw },
> >    186        };
> >    187        
> >
> > ---
> > 0-DAY CI Kernel Test Service, Intel Corporation
> > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
> 
> Looks like this slipped through.. gcc_parent_data_2[] is in fact not used. Could you remove that array in your tree, Stephen?
> 
> 

Please send a patch.