[kbuild-all] drivers/gpu/drm/tegra/vic.c:326:12: error: 'vic_runtime_suspend' defined but not used

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 754e0b0e35608ed5206d6a67a791563c631cec07 commit: 1e15f5b911d6a1b4a5677e88527610946bd314dd drm/tegra: vic: Stop channel on suspend date: 9 weeks ago config: arm-randconfig-r016-20220213 (https://download.01.org/0day-ci/archive/20220214/202202141114.QJqYTOhN-lk...) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 1e15f5b911d6a1b4a5677e88527610946bd314dd # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash drivers/gpu/drm/tegra/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 326 | static int vic_runtime_suspend(struct device *dev) | ^~~~~~~~~~~~~~~~~~~ 292 | static int vic_runtime_resume(struct device *dev) | ^~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/vic_runtime_suspend +326 drivers/gpu/drm/tegra/vic.c 77a0b09dd993c8 Thierry Reding 2019-02-01 290 9916612311a777 Mikko Perttunen 2021-06-10 291 9916612311a777 Mikko Perttunen 2021-06-10 @292 static int vic_runtime_resume(struct device *dev) 0ae797a8ba05a2 Arto Merilainen 2016-12-14 293 { 9916612311a777 Mikko Perttunen 2021-06-10 294 struct vic *vic = dev_get_drvdata(dev); 0ae797a8ba05a2 Arto Merilainen 2016-12-14 295 int err; 0ae797a8ba05a2 Arto Merilainen 2016-12-14 296 9916612311a777 Mikko Perttunen 2021-06-10 297 err = clk_prepare_enable(vic->clk); 0ae797a8ba05a2 Arto Merilainen 2016-12-14 298 if (err < 0) 0ae797a8ba05a2 Arto Merilainen 2016-12-14 299 return err; 0ae797a8ba05a2 Arto Merilainen 2016-12-14 300 9916612311a777 Mikko Perttunen 2021-06-10 301 usleep_range(10, 20); 9916612311a777 Mikko Perttunen 2021-06-10 302 9916612311a777 Mikko Perttunen 2021-06-10 303 err = reset_control_deassert(vic->rst); 9916612311a777 Mikko Perttunen 2021-06-10 304 if (err < 0) 9916612311a777 Mikko Perttunen 2021-06-10 305 goto disable; 9916612311a777 Mikko Perttunen 2021-06-10 306 9916612311a777 Mikko Perttunen 2021-06-10 307 usleep_range(10, 20); 9916612311a777 Mikko Perttunen 2021-06-10 308 77a0b09dd993c8 Thierry Reding 2019-02-01 309 err = vic_load_firmware(vic); 77a0b09dd993c8 Thierry Reding 2019-02-01 310 if (err < 0) 9916612311a777 Mikko Perttunen 2021-06-10 311 goto assert; 77a0b09dd993c8 Thierry Reding 2019-02-01 312 0ae797a8ba05a2 Arto Merilainen 2016-12-14 313 err = vic_boot(vic); 77a0b09dd993c8 Thierry Reding 2019-02-01 314 if (err < 0) 9916612311a777 Mikko Perttunen 2021-06-10 315 goto assert; 0ae797a8ba05a2 Arto Merilainen 2016-12-14 316 9916612311a777 Mikko Perttunen 2021-06-10 317 return 0; 9916612311a777 Mikko Perttunen 2021-06-10 318 9916612311a777 Mikko Perttunen 2021-06-10 319 assert: 9916612311a777 Mikko Perttunen 2021-06-10 320 reset_control_assert(vic->rst); 9916612311a777 Mikko Perttunen 2021-06-10 321 disable: 9916612311a777 Mikko Perttunen 2021-06-10 322 clk_disable_unprepare(vic->clk); 9916612311a777 Mikko Perttunen 2021-06-10 323 return err; 0ae797a8ba05a2 Arto Merilainen 2016-12-14 324 } 0ae797a8ba05a2 Arto Merilainen 2016-12-14 325 9916612311a777 Mikko Perttunen 2021-06-10 @326 static int vic_runtime_suspend(struct device *dev) 9916612311a777 Mikko Perttunen 2021-06-10 327 { 9916612311a777 Mikko Perttunen 2021-06-10 328 struct vic *vic = dev_get_drvdata(dev); 9916612311a777 Mikko Perttunen 2021-06-10 329 int err; 9916612311a777 Mikko Perttunen 2021-06-10 330 1e15f5b911d6a1 Dmitry Osipenko 2021-12-01 331 host1x_channel_stop(vic->channel); 1e15f5b911d6a1 Dmitry Osipenko 2021-12-01 332 9916612311a777 Mikko Perttunen 2021-06-10 333 err = reset_control_assert(vic->rst); 9916612311a777 Mikko Perttunen 2021-06-10 334 if (err < 0) 9916612311a777 Mikko Perttunen 2021-06-10 335 return err; 9916612311a777 Mikko Perttunen 2021-06-10 336 9916612311a777 Mikko Perttunen 2021-06-10 337 usleep_range(2000, 4000); 9916612311a777 Mikko Perttunen 2021-06-10 338 9916612311a777 Mikko Perttunen 2021-06-10 339 clk_disable_unprepare(vic->clk); 9916612311a777 Mikko Perttunen 2021-06-10 340 0ae797a8ba05a2 Arto Merilainen 2016-12-14 341 return 0; 9916612311a777 Mikko Perttunen 2021-06-10 342 } 77a0b09dd993c8 Thierry Reding 2019-02-01 343 :::::: The code at line 326 was first introduced by commit :::::: 9916612311a777cdf15a53491243589ea4fcc4e7 drm/tegra: Boot VIC during runtime PM resume :::::: TO: Mikko Perttunen <mperttunen(a)nvidia.com&gt; :::::: CC: Thierry Reding <treding(a)nvidia.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org