[android-common:android16-6.12-lts 1/1] arch/arm64/kvm/hyp/nvhe/power/scmi.c:215:36: sparse: sparse: incorrect type in assignment (different address spaces)

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

tree:   https://android.googlesource.com/kernel/common android16-6.12-lts
head:   7542d32487b53ed1a59d02f013a6e6b66804c874
commit: 220be807706d350ba6a1f17f0a3586269d844eda [1/1] BACKPORT: FROMLIST: KVM: arm64: pkvm: Support SCMI power domain
config: arm64-randconfig-r123-20260910 (https://download.01.org/0day-ci/archive/20260911/202609112056.90z1OFir-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project d3db069999553568848400c84cbf815c03f5470f)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260911/202609112056.90z1OFir-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609112056.90z1OFir-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> arch/arm64/kvm/hyp/nvhe/power/scmi.c:215:36: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void [noderef] __iomem *static [assigned] [toplevel] shmem @@     got void * @@
   arch/arm64/kvm/hyp/nvhe/power/scmi.c:215:36: sparse:     expected void [noderef] __iomem *static [assigned] [toplevel] shmem
   arch/arm64/kvm/hyp/nvhe/power/scmi.c:215:36: sparse:     got void *

vim +215 arch/arm64/kvm/hyp/nvhe/power/scmi.c

   191	
   192	int pkvm_init_scmi_pd(struct kvm_power_domain *pd,
   193			      const struct kvm_power_domain_ops *ops)
   194	{
   195		int ret;
   196	
   197		if (!IS_ALIGNED(pd->arm_scmi.shmem_base, PAGE_SIZE) ||
   198		    pd->arm_scmi.shmem_size < PAGE_SIZE) {
   199			return -EINVAL;
   200		}
   201	
   202		if (!scmi_channel.shmem) {
   203			unsigned long shmem;
   204	
   205			/* FIXME: Do we need to mark those pages shared in the host s2? */
   206			ret = __pkvm_create_private_mapping(pd->arm_scmi.shmem_base,
   207							    pd->arm_scmi.shmem_size,
   208							    PAGE_HYP_DEVICE,
   209							    &shmem);
   210			if (ret)
   211				return ret;
   212	
   213			scmi_channel.smc_id = pd->arm_scmi.smc_id;
   214			scmi_channel.shmem_pfn = hyp_phys_to_pfn(pd->arm_scmi.shmem_base);
 > 215			scmi_channel.shmem = (void *)shmem;

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