[atishp04:rocket_kvm_working 20/26] drivers/clocksource/timer-riscv.c:83:6: warning: no previous prototype for function 'riscv_cs_get_mult_shift'

[atishp04:rocket_kvm_working 20/26] drivers/clocksource/timer-riscv.c:83:6: warning: no previous prototype for function 'riscv_cs_get_mult_shift'

[kernel test robot]

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tree:   https://github.com/atishp04/linux rocket_kvm_working
head:   854618bbf71bfc11379c39bb0e4ac4784787c473
commit: 2a56cdcb762222ca799786147246d746f61e4872 [20/26] RISC-V: KVM: Add timer functionality
config: riscv-randconfig-r005-20210202 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 275c6af7d7f1ed63a03d05b4484413e447133269)
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/atishp04/linux/commit/2a56cdcb762222ca799786147246d746f61e4872
        git remote add atishp04 https://github.com/atishp04/linux
        git fetch --no-tags atishp04 rocket_kvm_working
        git checkout 2a56cdcb762222ca799786147246d746f61e4872
        # 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/clocksource/timer-riscv.c:83:6: warning: no previous prototype for function 'riscv_cs_get_mult_shift' [-Wmissing-prototypes]
   void riscv_cs_get_mult_shift(u32 *mult, u32 *shift)
        ^
   drivers/clocksource/timer-riscv.c:83:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void riscv_cs_get_mult_shift(u32 *mult, u32 *shift)
   ^
   static 
   1 warning generated.


vim +/riscv_cs_get_mult_shift +83 drivers/clocksource/timer-riscv.c

    82	
  > 83	void riscv_cs_get_mult_shift(u32 *mult, u32 *shift)
    84	{
    85		*mult = riscv_clocksource.mult;
    86		*shift = riscv_clocksource.shift;
    87	}
    88	EXPORT_SYMBOL_GPL(riscv_cs_get_mult_shift);
    89	

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

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