[PATCH RESEND v2 1/3] arm64: wrap and generalise counter read functions

[kernel test robot]

Hi Ionela,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on 3650b228f83adda7e5ee532e2b90429c03f7b9ec]

url:    https://github.com/0day-ci/linux/commits/Ionela-Voinescu/arm64-cppc-add-FFH-support-using-AMUs/20201028-004534
base:    3650b228f83adda7e5ee532e2b90429c03f7b9ec
config: arm64-randconfig-r031-20201030 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/bcdb8bb7da562e2438f66eeb357a724c6484e6bb
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Ionela-Voinescu/arm64-cppc-add-FFH-support-using-AMUs/20201028-004534
        git checkout bcdb8bb7da562e2438f66eeb357a724c6484e6bb
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

>> arch/arm64/kernel/topology.c:281:6: warning: no previous prototype for 'topology_scale_freq_tick' [-Wmissing-prototypes]
     281 | void topology_scale_freq_tick(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~

vim +/topology_scale_freq_tick +281 arch/arm64/kernel/topology.c

cd0ed03a8903a0b Ionela Voinescu 2020-03-05  280  
cd0ed03a8903a0b Ionela Voinescu 2020-03-05 @281  void topology_scale_freq_tick(void)

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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