drivers/base/power/opp/cpu.c:120:5: error: redefinition of 'dev_pm_opp_set_sharing_cpus'

[kbuild test robot <fengguang.wu@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9735a22799b9214d17d3c231fe377fc852f042e9
commit: f59d3ee8480d30f41914cb4bed5086237e8507b0 PM / OPP: Move cpu specific code to opp/cpu.c
date:   7 months ago
config: i386-randconfig-c0-04050854 (attached as .config)
reproduce:
        git checkout f59d3ee8480d30f41914cb4bed5086237e8507b0
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

>> drivers/base/power/opp/cpu.c:120:5: error: redefinition of 'dev_pm_opp_set_sharing_cpus'
    int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask)
        ^
   In file included from drivers/base/power/opp/opp.h:20:0,
                    from drivers/base/power/opp/cpu.c:21:
   include/linux/pm_opp.h:165:19: note: previous definition of 'dev_pm_opp_set_sharing_cpus' was here
    static inline int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask)
                      ^

vim +/dev_pm_opp_set_sharing_cpus +120 drivers/base/power/opp/cpu.c

   114		*table = NULL;
   115	}
   116	EXPORT_SYMBOL_GPL(dev_pm_opp_free_cpufreq_table);
   117	#endif	/* CONFIG_CPU_FREQ */
   118	
   119	/* Required only for V1 bindings, as v2 can manage it from DT itself */
 > 120	int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask)
   121	{
   122		struct device_list_opp *list_dev;
   123		struct device_opp *dev_opp;

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