[avpatel:v5.5_unleashed 4/12] arch/riscv/kernel/setup.c:78:2: error: implicit declaration of function 'sbi_init'; did you mean 'smp_init'?

[avpatel:v5.5_unleashed 4/12] arch/riscv/kernel/setup.c:78:2: error: implicit declaration of function 'sbi_init'; did you mean 'smp_init'?

[kbuild test robot]

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tree:   https://github.com/avpatel/linux.git v5.5_unleashed
head:   c99a75ff4dc11546e4e22dac09f6b4dd77dedf10
commit: b5cfe2813f1a3e75f49d050cd9af70572436c6ae [4/12] RISC-V: Add basic support for SBI v0.2
config: riscv-allnoconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout b5cfe2813f1a3e75f49d050cd9af70572436c6ae
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=riscv 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   arch/riscv/kernel/setup.c: In function 'setup_arch':
>> arch/riscv/kernel/setup.c:78:2: error: implicit declaration of function 'sbi_init'; did you mean 'smp_init'? [-Werror=implicit-function-declaration]
     sbi_init();
     ^~~~~~~~
     smp_init
   cc1: some warnings being treated as errors

vim +78 arch/riscv/kernel/setup.c

    77	
  > 78		sbi_init();
    79	#ifdef CONFIG_SMP
    80		setup_smp();
    81	#endif
    82	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation

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