tree: https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git sunxi/clk-for-5.18 head: 4f88abd86756e574c733d2ca14676be335cc0058 commit: 4f88abd86756e574c733d2ca14676be335cc0058 [2/2] clk: sunxi-ng: Add support for the sun6i RTC clocks config: arm-randconfig-r013-20220207 (https://download.01.org/0day-ci/archive/20220207/202202072137.HeXwgdkA-lk...) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0d8850ae2cae85d49bea6ae0799fa41c7202c05c) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git/commit/?i... git remote add sunxi https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git git fetch --no-tags sunxi sunxi/clk-for-5.18 git checkout 4f88abd86756e574c733d2ca14676be335cc0058 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/rtc/ 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 >>): ret = sun6i_rtc_ccu_probe(dev, chip->base); ^~~ pdev drivers/rtc/rtc-sun6i.c:672:52: note: 'pdev' declared here static int sun6i_rtc_probe(struct platform_device *pdev) ^ 1 error generated. vim +689 drivers/rtc/rtc-sun6i.c 668 669 static SIMPLE_DEV_PM_OPS(sun6i_rtc_pm_ops, 670 sun6i_rtc_suspend, sun6i_rtc_resume); 671 672 static int sun6i_rtc_probe(struct platform_device *pdev) 673 { 674 struct sun6i_rtc_dev *chip = sun6i_rtc; 675 int ret; 676 677 if (!chip) { 678 chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL); 679 if (!chip) 680 return -ENOMEM; 681 682 spin_lock_init(&chip->lock); 683 684 chip->base = devm_platform_ioremap_resource(pdev, 0); 685 if (IS_ERR(chip->base)) 686 return PTR_ERR(chip->base); 687 688 if (IS_REACHABLE(CONFIG_SUN6I_RTC_CCU)) { 690 if (ret) 691 return ret; 692 } 693 } 694 695 platform_set_drvdata(pdev, chip); 696 697 chip->irq = platform_get_irq(pdev, 0); 698 if (chip->irq < 0) 699 return chip->irq; 700 701 ret = devm_request_irq(&pdev->dev, chip->irq, sun6i_rtc_alarmirq, 702 0, dev_name(&pdev->dev), chip); 703 if (ret) { 704 dev_err(&pdev->dev, "Could not request IRQ\n"); 705 return ret; 706 } 707 708 /* clear the alarm counter value */ 709 writel(0, chip->base + SUN6I_ALRM_COUNTER); 710 711 /* disable counter alarm */ 712 writel(0, chip->base + SUN6I_ALRM_EN); 713 714 /* disable counter alarm interrupt */ 715 writel(0, chip->base + SUN6I_ALRM_IRQ_EN); 716 717 /* disable week alarm */ 718 writel(0, chip->base + SUN6I_ALRM1_EN); 719 720 /* disable week alarm interrupt */ 721 writel(0, chip->base + SUN6I_ALRM1_IRQ_EN); 722 723 /* clear counter alarm pending interrupts */ 724 writel(SUN6I_ALRM_IRQ_STA_CNT_IRQ_PEND, 725 chip->base + SUN6I_ALRM_IRQ_STA); 726 727 /* clear week alarm pending interrupts */ 728 writel(SUN6I_ALRM1_IRQ_STA_WEEK_IRQ_PEND, 729 chip->base + SUN6I_ALRM1_IRQ_STA); 730 731 /* disable alarm wakeup */ 732 writel(0, chip->base + SUN6I_ALARM_CONFIG); 733 734 clk_prepare_enable(chip->losc); 735 736 device_init_wakeup(&pdev->dev, 1); 737 738 chip->rtc = devm_rtc_allocate_device(&pdev->dev); 739 if (IS_ERR(chip->rtc)) 740 return PTR_ERR(chip->rtc); 741 742 chip->rtc->ops = &sun6i_rtc_ops; 743 chip->rtc->range_max = 2019686399LL; /* 2033-12-31 23:59:59 */ 744 745 ret = devm_rtc_register_device(chip->rtc); 746 if (ret) 747 return ret; 748 749 dev_info(&pdev->dev, "RTC enabled\n"); 750 751 return 0; 752 } 753 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org