Hi Tian, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 312efa97a54edf7e64f108312c4d8c6961a1abaf commit: 69245da182c15b365e3b770e7ac56db0f8118165 [1294/1294] adc: add phytium adc driver config: arm64-randconfig-002-20241114 (https://download.01.org/0day-ci/archive/20241202/202412022331.nyd9c2hV-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241202/202412022331.nyd9c2hV-lkp@i...) 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/202412022331.nyd9c2hV-lkp@intel.com/ All warnings (new ones prefixed by >>):

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drivers/iio/adc/phytium-adc.c:662:12: warning: 'phytium_adc_resume' defined but not used [-Wunused-function] 662 | static int phytium_adc_resume(struct device *dev) | ^~~~~~~~~~~~~~~~~~ drivers/iio/adc/phytium-adc.c:651:12: warning: 'phytium_adc_suspend' defined but not used [-Wunused-function] 651 | static int phytium_adc_suspend(struct device *dev) | ^~~~~~~~~~~~~~~~~~~

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for HARDLOCKUP_DETECTOR Depends on [n]: DEBUG_KERNEL [=n] && !S390 && (HAVE_HARDLOCKUP_DETECTOR_PERF [=n] || HAVE_HARDLOCKUP_DETECTOR_ARCH [=y]) Selected by [y]: - SDEI_WATCHDOG [=y] && <choice> && ARM_SDE_INTERFACE [=y] && !HARDLOCKUP_CHECK_TIMESTAMP [=n] vim +/phytium_adc_resume +662 drivers/iio/adc/phytium-adc.c 649 650 #ifdef CONFIG_PM

651 static int phytium_adc_suspend(struct device *dev) 652 { 653 struct iio_dev *indio_dev = dev_get_drvdata(dev); 654 struct phytium_adc *adc = iio_priv(indio_dev); 655 656 phytium_adc_power_setup(adc, false); 657 clk_disable_unprepare(adc->adc_clk); 658 659 return 0; 660 } 661 662 static int phytium_adc_resume(struct device *dev) 663 { 664 struct iio_dev *indio_dev = dev_get_drvdata(dev); 665 struct phytium_adc *adc = iio_priv(indio_dev); 666 667 clk_prepare_enable(adc->adc_clk); 668 phytium_adc_power_setup(adc, true); 669 670 return 0; 671 } 672 #endif 673

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