Hi Tomi, kernel test robot noticed the following build warnings: [auto build test WARNING on 431c1646e1f86b949fa3685efc50b660a364c2b6] url: https://github.com/intel-lab-lkp/linux/commits/Tomi-Valkeinen/media-uapi-Add-meta-formats-for-PiSP-FE-config-and-stats/20240904-192729 base: 431c1646e1f86b949fa3685efc50b660a364c2b6 patch link: https://lore.kernel.org/r/20240904-rp1-cfe-v4-3-f1b5b3d69c81%40ideasonboard.com patch subject: [PATCH v4 3/4] media: raspberrypi: Add support for RP1-CFE config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20240905/202409051822.ZzUGw3XQ-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240905/202409051822.ZzUGw3XQ-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202409051822.ZzUGw3XQ-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/media/platform/raspberrypi/rp1-cfe/cfe.c:2445:12: warning: 'cfe_runtime_resume' defined but not used [-Wunused-function] 2445 | static int cfe_runtime_resume(struct device *dev) | ^~~~~~~~~~~~~~~~~~ >> drivers/media/platform/raspberrypi/rp1-cfe/cfe.c:2435:12: warning: 'cfe_runtime_suspend' defined but not used [-Wunused-function] 2435 | static int cfe_runtime_suspend(struct device *dev) | ^~~~~~~~~~~~~~~~~~~ vim +/cfe_runtime_resume +2445 drivers/media/platform/raspberrypi/rp1-cfe/cfe.c 2434 > 2435 static int cfe_runtime_suspend(struct device *dev) 2436 { 2437 struct platform_device *pdev = to_platform_device(dev); 2438 struct cfe_device *cfe = platform_get_drvdata(pdev); 2439 2440 clk_disable_unprepare(cfe->clk); 2441 2442 return 0; 2443 } 2444 > 2445 static int cfe_runtime_resume(struct device *dev) 2446 { 2447 struct platform_device *pdev = to_platform_device(dev); 2448 struct cfe_device *cfe = platform_get_drvdata(pdev); 2449 int ret; 2450 2451 ret = clk_prepare_enable(cfe->clk); 2452 if (ret) { 2453 dev_err(dev, "Unable to enable clock\n"); 2454 return ret; 2455 } 2456 2457 return 0; 2458 } 2459 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki