Hi Mike,
I love your patch! Perhaps something to improve:
[auto build test WARNING on lwn/docs-next] [also build test WARNING on linus/master v5.12-rc3 next-20210316] [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]
url: https://github.com/0day-ci/linux/commits/Mike-Leach/CoreSight-configuration-... base: git://git.lwn.net/linux-2.6 docs-next config: arm-randconfig-r035-20210316 (attached as .config) compiler: arm-linux-gnueabi-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/8ed7fd0cc237978b3f66769efffdbb108f92... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mike-Leach/CoreSight-configuration-management-ETM-strobing/20210317-021436 git checkout 8ed7fd0cc237978b3f66769efffdbb108f920363 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot lkp@intel.com
All warnings (new ones prefixed by >>):
drivers/hwtracing/coresight/coresight-etm-perf.c:647:6: warning: no previous prototype for 'etm_perf_del_symlink_group' [-Wmissing-prototypes]
647 | void etm_perf_del_symlink_group(struct dev_ext_attribute *ea, const char *group_name) | ^~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/etm_perf_del_symlink_group +647 drivers/hwtracing/coresight/coresight-etm-perf.c
646
647 void etm_perf_del_symlink_group(struct dev_ext_attribute *ea, const char *group_name)
648 { 649 struct device *pmu_dev = etm_pmu.dev; 650 651 sysfs_remove_file_from_group(&pmu_dev->kobj, 652 &ea->attr.attr, group_name); 653 } 654
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