[avpatel:riscv_sbi_hsm_suspend_v1 9/10] drivers/cpuidle/cpuidle-sbi.c:40:6: warning: no previous prototype for 'sbi_set_domain_state'

[kernel test robot <lkp@intel.com>]

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tree:   https://github.com/avpatel/linux.git riscv_sbi_hsm_suspend_v1
head:   5549ca1c38400d911243f756c4a2a2fec56cef6e
commit: 400edab10d72cefa47812c9ff46f182be38cb2ee [9/10] cpuidle: Add RISC-V SBI CPU idle driver
config: riscv-allyesconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 9.3.0
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
        # https://github.com/avpatel/linux/commit/400edab10d72cefa47812c9ff46f182be38cb2ee
        git remote add avpatel https://github.com/avpatel/linux.git
        git fetch --no-tags avpatel riscv_sbi_hsm_suspend_v1
        git checkout 400edab10d72cefa47812c9ff46f182be38cb2ee
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 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/cpuidle/cpuidle-sbi.c:40:6: warning: no previous prototype for 'sbi_set_domain_state' [-Wmissing-prototypes]
      40 | void sbi_set_domain_state(u32 state)
         |      ^~~~~~~~~~~~~~~~~~~~


vim +/sbi_set_domain_state +40 drivers/cpuidle/cpuidle-sbi.c

    39	
  > 40	void sbi_set_domain_state(u32 state)
    41	{
    42		__this_cpu_write(domain_state, state);
    43	}
    44	

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

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