linux-kernel - drivers/cpuidle/cpuidle-riscv-sbi.c:46:20: warning: unused function 'sbi_set_domain

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Message-ID: <202301181734.emfAEjEg-lkp@intel.com>
Date:   Wed, 18 Jan 2023 17:58:14 +0800
From:   kernel test robot <lkp@...el.com>
To:     Anup Patel <anup.patel@....com>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org, Palmer Dabbelt <palmer@...osinc.com>
Subject: drivers/cpuidle/cpuidle-riscv-sbi.c:46:20: warning: unused function
 'sbi_set_domain_state'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c1649ec55708ae42091a2f1bca1ab49ecd722d55
commit: 6abf32f1d9c5009dcccded2c1e7ca899a4ab587b cpuidle: Add RISC-V SBI CPU idle driver
date:   10 months ago
config: riscv-randconfig-r026-20230117
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a)
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/torvalds/linux.git/commit/?id=6abf32f1d9c5009dcccded2c1e7ca899a4ab587b
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 6abf32f1d9c5009dcccded2c1e7ca899a4ab587b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/cpuidle/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/cpuidle/cpuidle-riscv-sbi.c:46:20: warning: unused function 'sbi_set_domain_state' [-Wunused-function]
   static inline void sbi_set_domain_state(u32 state)
                      ^
   1 warning generated.


vim +/sbi_set_domain_state +46 drivers/cpuidle/cpuidle-riscv-sbi.c

    45	
  > 46	static inline void sbi_set_domain_state(u32 state)
    47	{
    48		struct sbi_domain_state *data = this_cpu_ptr(&domain_state);
    49	
    50		data->available = true;
    51		data->state = state;
    52	}
    53	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

View attachment "config" of type "text/plain" (139354 bytes)