Hi Akshu, Thank you for the patch! Yet something to improve: [auto build test ERROR on asoc/for-next] [also build test ERROR on v4.16-rc1 next-20180216] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Akshu-Agrawal/Use-of-shared-resource-in-designware/20180218-130807 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next config: x86_64-randconfig-g0-02181159 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): sound/soc/dwc/dwc-i2s.c: In function 'dw_i2s_probe': >> sound/soc/dwc/dwc-i2s.c:642:5: error: implicit declaration of function 'devm_ioremap_shared_resource' [-Werror=implicit-function-declaration] devm_ioremap_shared_resource(&pdev->dev, res); ^ sound/soc/dwc/dwc-i2s.c:641:18: warning: assignment makes pointer from integer without a cast dev->i2s_base = ^ cc1: some warnings being treated as errors vim +/devm_ioremap_shared_resource +642 sound/soc/dwc/dwc-i2s.c 613 614 static int dw_i2s_probe(struct platform_device *pdev) 615 { 616 const struct i2s_platform_data *pdata = pdev->dev.platform_data; 617 struct dw_i2s_dev *dev; 618 struct resource *res; 619 int ret, irq; 620 struct snd_soc_dai_driver *dw_i2s_dai; 621 const char *clk_id; 622 623 dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); 624 if (!dev) 625 return -ENOMEM; 626 627 dw_i2s_dai = devm_kzalloc(&pdev->dev, sizeof(*dw_i2s_dai), GFP_KERNEL); 628 if (!dw_i2s_dai) 629 return -ENOMEM; 630 631 dw_i2s_dai->ops = &dw_i2s_dai_ops; 632 dw_i2s_dai->suspend = dw_i2s_suspend; 633 dw_i2s_dai->resume = dw_i2s_resume; 634 635 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 636 /* For devices which use the same registers for playback 637 * and capture, we would set shared flag for registering 638 * the second cpu dai. 639 */ 640 if (pdata && pdata->shared) { 641 dev->i2s_base = > 642 devm_ioremap_shared_resource(&pdev->dev, res); 643 if (IS_ERR(dev->i2s_base)) 644 return PTR_ERR(dev->i2s_base); 645 } else { 646 dev->i2s_base = 647 devm_ioremap_resource(&pdev->dev, res); 648 if (IS_ERR(dev->i2s_base)) 649 return PTR_ERR(dev->i2s_base); 650 } 651 652 dev->dev = &pdev->dev; 653 654 irq = platform_get_irq(pdev, 0); 655 if (irq >= 0) { 656 ret = devm_request_irq(&pdev->dev, irq, i2s_irq_handler, 0, 657 pdev->name, dev); 658 if (ret < 0) { 659 dev_err(&pdev->dev, "failed to request irq\n"); 660 return ret; 661 } 662 } 663 664 dev->i2s_reg_comp1 = I2S_COMP_PARAM_1; 665 dev->i2s_reg_comp2 = I2S_COMP_PARAM_2; 666 if (pdata) { 667 dev->capability = pdata->cap; 668 clk_id = NULL; 669 dev->quirks = pdata->quirks; 670 if (dev->quirks & DW_I2S_QUIRK_COMP_REG_OFFSET) { 671 dev->i2s_reg_comp1 = pdata->i2s_reg_comp1; 672 dev->i2s_reg_comp2 = pdata->i2s_reg_comp2; 673 } 674 ret = dw_configure_dai_by_pd(dev, dw_i2s_dai, res, pdata); 675 } else { 676 clk_id = "i2sclk"; 677 ret = dw_configure_dai_by_dt(dev, dw_i2s_dai, res); 678 } 679 if (ret < 0) 680 return ret; 681 682 if (dev->capability & DW_I2S_MASTER) { 683 if (pdata) { 684 dev->i2s_clk_cfg = pdata->i2s_clk_cfg; 685 if (!dev->i2s_clk_cfg) { 686 dev_err(&pdev->dev, "no clock configure method\n"); 687 return -ENODEV; 688 } 689 } 690 dev->clk = devm_clk_get(&pdev->dev, clk_id); 691 692 if (IS_ERR(dev->clk)) 693 return PTR_ERR(dev->clk); 694 695 ret = clk_prepare_enable(dev->clk); 696 if (ret < 0) 697 return ret; 698 } 699 700 dev_set_drvdata(&pdev->dev, dev); 701 ret = devm_snd_soc_register_component(&pdev->dev, &dw_i2s_component, 702 dw_i2s_dai, 1); 703 if (ret != 0) { 704 dev_err(&pdev->dev, "not able to register dai\n"); 705 goto err_clk_disable; 706 } 707 708 if (!pdata) { 709 if (irq >= 0) { 710 ret = dw_pcm_register(pdev); 711 dev->use_pio = true; 712 } else { 713 ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 714 0); 715 dev->use_pio = false; 716 } 717 718 if (ret) { 719 dev_err(&pdev->dev, "could not register pcm: %d\n", 720 ret); 721 goto err_clk_disable; 722 } 723 } 724 725 pm_runtime_enable(&pdev->dev); 726 return 0; 727 728 err_clk_disable: 729 if (dev->capability & DW_I2S_MASTER) 730 clk_disable_unprepare(dev->clk); 731 return ret; 732 } 733 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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