Re: [PATCH 1/3] drivers/perf: hisi: Add support for HiSilicon H60PA and PAv3 PMU driver

[hejunhao <hejunhao3@huawei.com>]

On 2023/5/24 12:28, kernel test robot wrote:
> Hi Junhao,
>
> kernel test robot noticed the following build warnings:
>
> [auto build test WARNING on linus/master]
> [also build test WARNING on v6.4-rc3 next-20230523]
> [cannot apply to soc/for-next]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
>
> url:    https://github.com/intel-lab-lkp/linux/commits/Junhao-He/drivers-perf-hisi-Add-support-for-HiSilicon-H60PA-and-PAv3-PMU-driver/20230523-215041
> base:   linus/master
> patch link:    https://lore.kernel.org/r/20230523131825.6102-2-hejunhao3%40huawei.com
> patch subject: [PATCH 1/3] drivers/perf: hisi: Add support for HiSilicon H60PA and PAv3 PMU driver
> config: arm64-allyesconfig
> compiler: aarch64-linux-gcc (GCC) 12.1.0
> 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/intel-lab-lkp/linux/commit/f89c838447a57f5b51474a6aea981acbe68f73b9
>          git remote add linux-review https://github.com/intel-lab-lkp/linux
>          git fetch --no-tags linux-review Junhao-He/drivers-perf-hisi-Add-support-for-HiSilicon-H60PA-and-PAv3-PMU-driver/20230523-215041
>          git checkout f89c838447a57f5b51474a6aea981acbe68f73b9
>          # save the config file
>          mkdir build_dir && cp config build_dir/.config
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/perf/
>
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202305241109.DJKYvjGM-lkp@intel.com/
>
> All warnings (new ones prefixed by >>):
>
>     In file included from drivers/perf/hisilicon/hisi_uncore_pmu.c:21:
>>> drivers/perf/hisilicon/hisi_uncore_pmu.h:140:5: warning: no previous prototype for 'hisi_uncore_pmu_ver2idx' [-Wmissing-prototypes]
>       140 | int hisi_uncore_pmu_ver2idx(struct hisi_pmu *pmu)
>           |     ^~~~~~~~~~~~~~~~~~~~~~~

Thanks, Will fix in next version.

>
> vim +/hisi_uncore_pmu_ver2idx +140 drivers/perf/hisilicon/hisi_uncore_pmu.h
>
>     139	
>   > 140	int hisi_uncore_pmu_ver2idx(struct hisi_pmu *pmu)
>