tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-5.4 head: d2c5af89e80c5b71f1da59879464a930947306a2 commit: 677684bdcc9f12acfd230bf92e68595987cdca56 [55/132] usb: gadget: Add UDC driver for tegra XUSB device mode controller config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git/c... git remote add sashal-linux-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git git fetch --no-tags sashal-linux-stable queue-5.4 git checkout 677684bdcc9f12acfd230bf92e68595987cdca56 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 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 >>): drivers/usb/gadget/udc/tegra-xudc.c: In function 'tegra_xudc_device_mode_on': 611 | tegra_xusb_padctl_set_vbus_override(xudc->padctl, true); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | tegra_xusb_padctl_hsic_set_idle drivers/usb/gadget/udc/tegra-xudc.c: In function 'tegra_xudc_port_reset_war_work': 741 | ret = tegra_phy_xusb_utmi_port_reset(xudc->utmi_phy); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +611 drivers/usb/gadget/udc/tegra-xudc.c 594 595 static void tegra_xudc_device_mode_on(struct tegra_xudc *xudc) 596 { 597 int err; 598 599 pm_runtime_get_sync(xudc->dev); 600 601 err = phy_power_on(xudc->utmi_phy); 602 if (err < 0) 603 dev_err(xudc->dev, "utmi power on failed %d\n", err); 604 605 err = phy_power_on(xudc->usb3_phy); 606 if (err < 0) 607 dev_err(xudc->dev, "usb3 phy power on failed %d\n", err); 608 609 dev_dbg(xudc->dev, "device mode on\n"); 610 612 613 xudc->device_mode = USB_ROLE_DEVICE; 614 } 615 616 static void tegra_xudc_device_mode_off(struct tegra_xudc *xudc) 617 { 618 bool connected = false; 619 u32 pls, val; 620 int err; 621 622 dev_dbg(xudc->dev, "device mode off\n"); 623 624 connected = !!(xudc_readl(xudc, PORTSC) & PORTSC_CCS); 625 626 reinit_completion(&xudc->disconnect_complete); 627 628 tegra_xusb_padctl_set_vbus_override(xudc->padctl, false); 629 630 pls = (xudc_readl(xudc, PORTSC) & PORTSC_PLS_MASK) >> 631 PORTSC_PLS_SHIFT; 632 633 /* Direct link to U0 if disconnected in RESUME or U2. */ 634 if (xudc->soc->pls_quirk && xudc->gadget.speed == USB_SPEED_SUPER && 635 (pls == PORTSC_PLS_RESUME || pls == PORTSC_PLS_U2)) { 636 val = xudc_readl(xudc, PORTPM); 637 val |= PORTPM_FRWE; 638 xudc_writel(xudc, val, PORTPM); 639 640 val = xudc_readl(xudc, PORTSC); 641 val &= ~(PORTSC_CHANGE_MASK | PORTSC_PLS_MASK); 642 val |= PORTSC_LWS | PORTSC_PLS(PORTSC_PLS_U0); 643 xudc_writel(xudc, val, PORTSC); 644 } 645 646 xudc->device_mode = USB_ROLE_NONE; 647 648 /* Wait for disconnect event. */ 649 if (connected) 650 wait_for_completion(&xudc->disconnect_complete); 651 652 /* Make sure interrupt handler has completed before powergating. */ 653 synchronize_irq(xudc->irq); 654 655 err = phy_power_off(xudc->utmi_phy); 656 if (err < 0) 657 dev_err(xudc->dev, "utmi_phy power off failed %d\n", err); 658 659 err = phy_power_off(xudc->usb3_phy); 660 if (err < 0) 661 dev_err(xudc->dev, "usb3_phy power off failed %d\n", err); 662 663 pm_runtime_put(xudc->dev); 664 } 665 666 static void tegra_xudc_usb_role_sw_work(struct work_struct *work) 667 { 668 struct tegra_xudc *xudc = container_of(work, struct tegra_xudc, 669 usb_role_sw_work); 670 671 if (!xudc->usb_role_sw || 672 usb_role_switch_get_role(xudc->usb_role_sw) == USB_ROLE_DEVICE) 673 tegra_xudc_device_mode_on(xudc); 674 else 675 tegra_xudc_device_mode_off(xudc); 676 677 } 678 679 static int tegra_xudc_usb_role_sw_set(struct device *dev, enum usb_role role) 680 { 681 struct tegra_xudc *xudc = dev_get_drvdata(dev); 682 unsigned long flags; 683 684 dev_dbg(dev, "%s role is %d\n", __func__, role); 685 686 spin_lock_irqsave(&xudc->lock, flags); 687 688 if (!xudc->suspended) 689 schedule_work(&xudc->usb_role_sw_work); 690 691 spin_unlock_irqrestore(&xudc->lock, flags); 692 693 return 0; 694 } 695 696 static void tegra_xudc_plc_reset_work(struct work_struct *work) 697 { 698 struct delayed_work *dwork = to_delayed_work(work); 699 struct tegra_xudc *xudc = container_of(dwork, struct tegra_xudc, 700 plc_reset_work); 701 unsigned long flags; 702 703 spin_lock_irqsave(&xudc->lock, flags); 704 705 if (xudc->wait_csc) { 706 u32 pls = (xudc_readl(xudc, PORTSC) & PORTSC_PLS_MASK) >> 707 PORTSC_PLS_SHIFT; 708 709 if (pls == PORTSC_PLS_INACTIVE) { 710 dev_info(xudc->dev, "PLS = Inactive. Toggle VBUS\n"); 711 tegra_xusb_padctl_set_vbus_override(xudc->padctl, 712 false); 713 tegra_xusb_padctl_set_vbus_override(xudc->padctl, true); 714 xudc->wait_csc = false; 715 } 716 } 717 718 spin_unlock_irqrestore(&xudc->lock, flags); 719 } 720 721 static void tegra_xudc_port_reset_war_work(struct work_struct *work) 722 { 723 struct delayed_work *dwork = to_delayed_work(work); 724 struct tegra_xudc *xudc = 725 container_of(dwork, struct tegra_xudc, port_reset_war_work); 726 unsigned long flags; 727 u32 pls; 728 int ret; 729 730 spin_lock_irqsave(&xudc->lock, flags); 731 732 if ((xudc->device_mode == USB_ROLE_DEVICE) 733 && xudc->wait_for_sec_prc) { 734 pls = (xudc_readl(xudc, PORTSC) & PORTSC_PLS_MASK) >> 735 PORTSC_PLS_SHIFT; 736 dev_dbg(xudc->dev, "pls = %x\n", pls); 737 738 if (pls == PORTSC_PLS_DISABLED) { 739 dev_dbg(xudc->dev, "toggle vbus\n"); 740 /* PRC doesn't complete in 100ms, toggle the vbus */ 742 if (ret == 1) 743 xudc->wait_for_sec_prc = 0; 744 } 745 } 746 747 spin_unlock_irqrestore(&xudc->lock, flags); 748 } 749 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org