tree: https://github.com/omap-audio/linux-audio peter/linux-next-wip head: 4267b3ab8fe441bf25983bf8288fd3025f67702f commit: 179ec2bc789e81f433d7749acfe9a3a7dbf182e4 [56/62] omap: mcasp: add omap-mcasp.* and add to Kconfig, Makefile config: x86_64-randconfig-a011-20210613 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d2012d965d60c3258b3a69d024491698f8aec386) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/omap-audio/linux-audio/commit/179ec2bc789e81f433d7749a... git remote add omap-audio https://github.com/omap-audio/linux-audio git fetch --no-tags omap-audio peter/linux-next-wip git checkout 179ec2bc789e81f433d7749acfe9a3a7dbf182e4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): long fclk_rate; ^ 1 warning generated. vim +/fclk_rate +603 sound/soc/ti/omap-mcasp.c 598 599 static int asoc_mcasp_probe(struct platform_device *pdev) 600 { 601 struct omap_mcasp *mcasp; 602 struct resource *res; 604 int ret = 0; 605 606 mcasp = devm_kzalloc(&pdev->dev, sizeof(struct omap_mcasp), GFP_KERNEL); 607 if (!mcasp) { 608 dev_err(&pdev->dev, "cannot allocate memory\n"); 609 return -ENOMEM; 610 } 611 612 spin_lock_init(&mcasp->lock); 613 614 omap_mcasp_dai_dma_params[0].filter_data = "axevt"; 615 616 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 617 if (!res) { 618 dev_err(&pdev->dev, "no resource\n"); 619 return -ENODEV; 620 } 621 622 mcasp->base = devm_ioremap_resource(&pdev->dev, res); 623 if (!mcasp->base) { 624 dev_err(&pdev->dev, "cannot remap\n"); 625 return -ENOMEM; 626 } 627 628 mcasp->irq = platform_get_irq(pdev, 0); 629 if (mcasp->irq < 0) { 630 dev_err(&pdev->dev, "invalid IRQ number\n"); 631 return mcasp->irq; 632 } 633 634 ret = devm_request_threaded_irq(&pdev->dev, mcasp->irq, NULL, 635 omap_mcasp_irq_handler, 636 IRQF_ONESHOT, "McASP", mcasp); 637 if (ret) { 638 dev_err(mcasp->dev, "IRQ request failed\n"); 639 return ret; 640 } 641 642 mcasp->fclk = clk_get(&pdev->dev, "fck"); 643 if (!mcasp->fclk) { 644 dev_err(mcasp->dev, "cant get fck\n"); 645 return -ENODEV; 646 } 647 648 pm_runtime_enable(&pdev->dev); 649 pm_runtime_get_sync(&pdev->dev); 650 651 fclk_rate = clk_get_rate(mcasp->fclk); 652 653 platform_set_drvdata(pdev, mcasp); 654 mcasp->dev = &pdev->dev; 655 656 ret = snd_soc_register_component(&pdev->dev, &omap_mcasp_component, 657 &omap_mcasp_dai, 1); 658 if (ret < 0) 659 goto err_dai; 660 661 pm_runtime_put_sync(&pdev->dev); 662 663 return sdma_pcm_platform_register(&pdev->dev, "axevt", NULL);; 664 665 err_dai: 666 pm_runtime_put_sync(&pdev->dev); 667 pm_runtime_disable(&pdev->dev); 668 return ret; 669 } 670 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org