[chanwoo:devfreq-testing 5/5] drivers/devfreq/hisi_uncore_freq.c:562:9: error: returning 'const struct cpumask *' from a function with result type 'struct cpumask *' discards qualifiers

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git devfreq-testing
head:   a4bcf6ccfb61f2e8354081ecc584c003d6b91c4e
commit: a4bcf6ccfb61f2e8354081ecc584c003d6b91c4e [5/5] PM / devfreq: Add HiSilicon uncore frequency scaling driver
config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20250521/202505210327.PWLD6OdP-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250521/202505210327.PWLD6OdP-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/202505210327.PWLD6OdP-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/devfreq/hisi_uncore_freq.c:562:9: error: returning 'const struct cpumask *' from a function with result type 'struct cpumask *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
     562 |         return topology_cluster_cpumask(cpu);
         |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/topology.h:224:40: note: expanded from macro 'topology_cluster_cpumask'
     224 | #define topology_cluster_cpumask(cpu)           cpumask_of(cpu)
         |                                                 ^~~~~~~~~~~~~~~
   include/linux/cpumask.h:880:25: note: expanded from macro 'cpumask_of'
     880 | #define cpumask_of(cpu) (get_cpu_mask(cpu))
         |                         ^~~~~~~~~~~~~~~~~~~
   1 error generated.


vim +562 drivers/devfreq/hisi_uncore_freq.c

   559	
   560	static struct cpumask *get_cluster_cpumask(int cpu)
   561	{
 > 562		return topology_cluster_cpumask(cpu);
   563	}
   564	

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