[linux-next:master 12436/12894] drivers//perf/arm_dsu_pmu.c:661:2: error: implicit declaration of function 'bitmap_from_u32array'; did you mean 'bitmap_from_arr32'?

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

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   a352043b40947d6253b87993cb24ee0f893aad89
commit: 39461af74125fd26809486d043f248531e17a2e5 [12436/12894] bitmap: replace bitmap_{from,to}_u32array
config: arm64-allmodconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 39461af74125fd26809486d043f248531e17a2e5
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

All errors (new ones prefixed by >>):

   drivers//perf/arm_dsu_pmu.c: In function 'dsu_pmu_probe_pmu':
>> drivers//perf/arm_dsu_pmu.c:661:2: error: implicit declaration of function 'bitmap_from_u32array'; did you mean 'bitmap_from_arr32'? [-Werror=implicit-function-declaration]
     bitmap_from_u32array(dsu_pmu->cpmceid_bitmap,
     ^~~~~~~~~~~~~~~~~~~~
     bitmap_from_arr32
   cc1: some warnings being treated as errors

vim +661 drivers//perf/arm_dsu_pmu.c

7520fa99 Suzuki K Poulose 2018-01-02  642  
7520fa99 Suzuki K Poulose 2018-01-02  643  /*
7520fa99 Suzuki K Poulose 2018-01-02  644   * dsu_pmu_probe_pmu: Probe the PMU details on a CPU in the cluster.
7520fa99 Suzuki K Poulose 2018-01-02  645   */
7520fa99 Suzuki K Poulose 2018-01-02  646  static void dsu_pmu_probe_pmu(struct dsu_pmu *dsu_pmu)
7520fa99 Suzuki K Poulose 2018-01-02  647  {
7520fa99 Suzuki K Poulose 2018-01-02  648  	u64 num_counters;
7520fa99 Suzuki K Poulose 2018-01-02  649  	u32 cpmceid[2];
7520fa99 Suzuki K Poulose 2018-01-02  650  
7520fa99 Suzuki K Poulose 2018-01-02  651  	num_counters = (__dsu_pmu_read_pmcr() >> CLUSTERPMCR_N_SHIFT) &
7520fa99 Suzuki K Poulose 2018-01-02  652  						CLUSTERPMCR_N_MASK;
7520fa99 Suzuki K Poulose 2018-01-02  653  	/* We can only support up to 31 independent counters */
7520fa99 Suzuki K Poulose 2018-01-02  654  	if (WARN_ON(num_counters > 31))
7520fa99 Suzuki K Poulose 2018-01-02  655  		num_counters = 31;
7520fa99 Suzuki K Poulose 2018-01-02  656  	dsu_pmu->num_counters = num_counters;
7520fa99 Suzuki K Poulose 2018-01-02  657  	if (!dsu_pmu->num_counters)
7520fa99 Suzuki K Poulose 2018-01-02  658  		return;
7520fa99 Suzuki K Poulose 2018-01-02  659  	cpmceid[0] = __dsu_pmu_read_pmceid(0);
7520fa99 Suzuki K Poulose 2018-01-02  660  	cpmceid[1] = __dsu_pmu_read_pmceid(1);
7520fa99 Suzuki K Poulose 2018-01-02 @661  	bitmap_from_u32array(dsu_pmu->cpmceid_bitmap,
7520fa99 Suzuki K Poulose 2018-01-02  662  				DSU_PMU_MAX_COMMON_EVENTS,
7520fa99 Suzuki K Poulose 2018-01-02  663  				cpmceid,
7520fa99 Suzuki K Poulose 2018-01-02  664  				ARRAY_SIZE(cpmceid));
7520fa99 Suzuki K Poulose 2018-01-02  665  }
7520fa99 Suzuki K Poulose 2018-01-02  666  

:::::: The code at line 661 was first introduced by commit
:::::: 7520fa99246dade7ab6dde1573a146beed632abd perf: ARM DynamIQ Shared Unit PMU support

:::::: TO: Suzuki K Poulose <suzuki.poulose@arm.com>
:::::: CC: Will Deacon <will.deacon@arm.com>

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