[wens:sunxi-wip 36/36] drivers/gpu/drm/etnaviv/etnaviv_gpu.c:1930:1: warning: label 'pm_put' defined but not used

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/wens/linux.git sunxi-wip
head:   e8e10ee67982c55fd3900953641c680a2fbef1c6
commit: e8e10ee67982c55fd3900953641c680a2fbef1c6 [36/36] HACK: drm/etnaviv: check if GPU is actually there
config: x86_64-randconfig-r2304-20261030 (https://download.01.org/0day-ci/archive/20261030/202610302254.Ekd0JM5s-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
sparse: v0.6.5-rc1-21-g84ec0658
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261030/202610302254.Ekd0JM5s-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/202610302254.Ekd0JM5s-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/etnaviv/etnaviv_gpu.c: In function 'etnaviv_gpu_detect':
>> drivers/gpu/drm/etnaviv/etnaviv_gpu.c:1930:1: warning: label 'pm_put' defined but not used [-Wunused-label]
    1930 | pm_put:
         | ^~~~~~


vim +/pm_put +1930 drivers/gpu/drm/etnaviv/etnaviv_gpu.c

  1904	
  1905	static int etnaviv_gpu_detect(struct etnaviv_gpu *gpu)
  1906	{
  1907		int ret;
  1908	
  1909		ret = pm_runtime_resume_and_get(gpu->dev);
  1910		if (ret < 0)
  1911			return dev_err_probe(gpu->dev, ret,
  1912					     "Failed to enable GPU power domain\n");
  1913	
  1914		ret = etnaviv_gpu_reset_deassert(gpu);
  1915		if (ret) {
  1916			dev_err_probe(gpu->dev, ret,
  1917				      "GPU reset deassert failed\n");
  1918			goto fail;
  1919		}
  1920	
  1921		etnaviv_hw_identify(gpu);
  1922	
  1923		if (gpu->identity.model == 0) {
  1924			ret = -ENODEV;
  1925			dev_err_probe(gpu->dev, ret, "Unknown GPU model\n");
  1926		}
  1927	
  1928	fail:
  1929		pm_runtime_mark_last_busy(gpu->dev);
> 1930	pm_put:
  1931		pm_runtime_put_autosuspend(gpu->dev);
  1932	
  1933		return ret;
  1934	}
  1935	

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