[rt-devel:linux-6.1.y-rt-rebase 11/51] sound/soc/mediatek/mt8186/mt8186-afe-clk.c:16:21: warning: unused variable 'mutex_request_dram'

[rt-devel:linux-6.1.y-rt-rebase 11/51] sound/soc/mediatek/mt8186/mt8186-afe-clk.c:16:21: warning: unused variable 'mutex_request_dram'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-6.1.y-rt-rebase
head:   90d96fee668dc306dd748393383c0fc74b798eee
commit: 4f334c6ed61305826ccc33c2281cf2a43146e4fc [11/51] x86: Allow to enable RT
config: x86_64-buildonly-randconfig-001-20241015 (https://download.01.org/0day-ci/archive/20241015/202410151059.MeUuTMS2-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241015/202410151059.MeUuTMS2-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410151059.MeUuTMS2-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> sound/soc/mediatek/mt8186/mt8186-afe-clk.c:16:21: warning: unused variable 'mutex_request_dram' [-Wunused-variable]
      16 | static DEFINE_MUTEX(mutex_request_dram);
         |                     ^~~~~~~~~~~~~~~~~~
   include/linux/mutex.h:149:15: note: expanded from macro 'DEFINE_MUTEX'
     149 |         struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)
         |                      ^~~~~~~~~
   1 warning generated.


vim +/mutex_request_dram +16 sound/soc/mediatek/mt8186/mt8186-afe-clk.c

55b423d5623ccd Jiaxin Yu 2022-05-23  15  
55b423d5623ccd Jiaxin Yu 2022-05-23 @16  static DEFINE_MUTEX(mutex_request_dram);
55b423d5623ccd Jiaxin Yu 2022-05-23  17  

:::::: The code at line 16 was first introduced by commit
:::::: 55b423d5623ccd6785429431c2cf5f3e073b73ba ASoC: mediatek: mt8186: support audio clock control in platform driver

:::::: TO: Jiaxin Yu <jiaxin.yu@mediatek.com>
:::::: CC: Mark Brown <broonie@kernel.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki