[PATCH v8 2/8] coresight: core: add a new API to retrieve the helper device

[kernel test robot]

Hi Jie,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 47b7b5e32bb7264b51b89186043e1ada4090b558]

url:    https://github.com/intel-lab-lkp/linux/commits/Jie-Gan/coresight-core-Refactoring-ctcu_get_active_port-and-make-it-generic/20251211-142430
base:   47b7b5e32bb7264b51b89186043e1ada4090b558
patch link:    https://lore.kernel.org/r/20251211-enable-byte-cntr-for-ctcu-v8-2-3e12ff313191%40oss.qualcomm.com
patch subject: [PATCH v8 2/8] coresight: core: add a new API to retrieve the helper device
config: arm64-randconfig-001-20251213 (https://download.01.org/0day-ci/archive/20251213/202512132024.rsZaNtbp-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 1335a05ab8bc8339ce24be3a9da89d8c3f4e0571)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251213/202512132024.rsZaNtbp-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512132024.rsZaNtbp-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Warning: drivers/hwtracing/coresight/coresight-core.c:600 function parameter 'subtype' not described in 'coresight_get_helper'
>> Warning: drivers/hwtracing/coresight/coresight-core.c:600 function parameter 'subtype' not described in 'coresight_get_helper'

-- 
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