drivers/firmware/smccc/smccc.c:20:21: sparse: sparse: symbol 'smccc_soc_id_version' was not declared. Should it be static?

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   1c41041124bd14dd6610da256a3da4e5b74ce6b1
commit: 35727af2b15d98a2dd2811d631d3a3886111312e irqchip/gicv3: Workaround for NVIDIA erratum T241-FABRIC-4
date:   7 months ago
config: arm64-randconfig-r122-20231102 (https://download.01.org/0day-ci/archive/20231105/202311051931.ytw4Vqta-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231105/202311051931.ytw4Vqta-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311051931.ytw4Vqta-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
>> drivers/firmware/smccc/smccc.c:20:21: sparse: sparse: symbol 'smccc_soc_id_version' was not declared. Should it be static?
>> drivers/firmware/smccc/smccc.c:21:21: sparse: sparse: symbol 'smccc_soc_id_revision' was not declared. Should it be static?

vim +/smccc_soc_id_version +20 drivers/firmware/smccc/smccc.c

    17	
    18	bool __ro_after_init smccc_trng_available = false;
    19	u64 __ro_after_init smccc_has_sve_hint = false;
  > 20	s32 __ro_after_init smccc_soc_id_version = SMCCC_RET_NOT_SUPPORTED;
  > 21	s32 __ro_after_init smccc_soc_id_revision = SMCCC_RET_NOT_SUPPORTED;
    22	

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