57 static const char dwc2_driver_name[] = "dwc2";
275 	hsotg->reset = devm_reset_control_get_optional(hsotg->dev, "dwc2");  in dwc2_lowlevel_hw_init()
284 	hsotg->reset_ecc = devm_reset_control_get_optional(hsotg->dev, "dwc2-ecc");  in dwc2_lowlevel_hw_init()
407  * In specific conditions (involving usb hubs) dwc2 devices can create a
411  * of being able to handle the dwc2 interrupts. Disabling dwc2-irqs
709 	struct dwc2_hsotg *dwc2 = dev_get_drvdata(dev);  in dwc2_suspend()  local
710 	bool is_device_mode = dwc2_is_device_mode(dwc2);  in dwc2_suspend()
714 		dwc2_hsotg_suspend(dwc2);  in dwc2_suspend()
716 	dwc2_drd_suspend(dwc2);  in dwc2_suspend()
718 	if (dwc2->params.activate_stm_id_vb_detection) {  in dwc2_suspend()
726 		dwc2_force_mode(dwc2, !is_device_mode);  in dwc2_suspend()
728 		spin_lock_irqsave(&dwc2->lock, flags);  in dwc2_suspend()
729 		gotgctl = dwc2_readl(dwc2, GOTGCTL);  in dwc2_suspend()
738 		dwc2_writel(dwc2, gotgctl, GOTGCTL);  in dwc2_suspend()
739 		spin_unlock_irqrestore(&dwc2->lock, flags);  in dwc2_suspend()
741 		ggpio = dwc2_readl(dwc2, GGPIO);  in dwc2_suspend()
744 		dwc2_writel(dwc2, ggpio, GGPIO);  in dwc2_suspend()
746 		regulator_disable(dwc2->usb33d);  in dwc2_suspend()
749 	if (dwc2->ll_hw_enabled &&  in dwc2_suspend()
750 	    (is_device_mode || dwc2_host_can_poweroff_phy(dwc2))) {  in dwc2_suspend()
751 		ret = __dwc2_lowlevel_hw_disable(dwc2);  in dwc2_suspend()
752 		dwc2->phy_off_for_suspend = true;  in dwc2_suspend()
760 	struct dwc2_hsotg *dwc2 = dev_get_drvdata(dev);  in dwc2_resume()  local
764 	if (dwc2->phy_off_for_suspend && dwc2->ll_hw_enabled) {  in dwc2_resume()
765 		ret = __dwc2_lowlevel_hw_enable(dwc2);  in dwc2_resume()
769 	dwc2->phy_off_for_suspend = false;  in dwc2_resume()
771 	if (dwc2->params.activate_stm_id_vb_detection) {  in dwc2_resume()
775 		ret = regulator_enable(dwc2->usb33d);  in dwc2_resume()
779 		ggpio = dwc2_readl(dwc2, GGPIO);  in dwc2_resume()
782 		dwc2_writel(dwc2, ggpio, GGPIO);  in dwc2_resume()
787 		spin_lock_irqsave(&dwc2->lock, flags);  in dwc2_resume()
788 		gotgctl = dwc2_readl(dwc2, GOTGCTL);  in dwc2_resume()
792 		dwc2_writel(dwc2, gotgctl, GOTGCTL);  in dwc2_resume()
793 		spin_unlock_irqrestore(&dwc2->lock, flags);  in dwc2_resume()
797 	dwc2_force_dr_mode(dwc2);  in dwc2_resume()
799 	dwc2_drd_resume(dwc2);  in dwc2_resume()
801 	if (dwc2->dr_mode == USB_DR_MODE_HOST && dwc2_is_device_mode(dwc2)) {  in dwc2_resume()
803 		dwc2_force_mode(dwc2, true);  in dwc2_resume()
805 		spin_lock_irqsave(&dwc2->lock, flags);  in dwc2_resume()
806 		dwc2_hsotg_disconnect(dwc2);  in dwc2_resume()
807 		spin_unlock_irqrestore(&dwc2->lock, flags);  in dwc2_resume()
809 		dwc2->op_state = OTG_STATE_A_HOST;  in dwc2_resume()
811 		dwc2_core_init(dwc2, false);  in dwc2_resume()
812 		dwc2_enable_global_interrupts(dwc2);  in dwc2_resume()
813 		dwc2_hcd_start(dwc2);  in dwc2_resume()
814 	} else if (dwc2->dr_mode == USB_DR_MODE_OTG &&  in dwc2_resume()
815 		   dwc2->op_state == OTG_STATE_A_HOST &&  in dwc2_resume()
816 		   !(dwc2_readl(dwc2, HPRT0) & HPRT0_PWR)) {  in dwc2_resume()
825 		spin_lock_irqsave(&dwc2->lock, flags);  in dwc2_resume()
826 		dwc2_hcd_disconnect(dwc2, true);  in dwc2_resume()
827 		dwc2->op_state = OTG_STATE_B_PERIPHERAL;  in dwc2_resume()
828 		dwc2->lx_state = DWC2_L3;  in dwc2_resume()
829 		if (!dwc2->driver)  in dwc2_resume()
830 			dwc2_hsotg_core_init_disconnected(dwc2, false);  in dwc2_resume()
831 		spin_unlock_irqrestore(&dwc2->lock, flags);  in dwc2_resume()
833 		ret = dwc2_hsotg_resume(dwc2);  in dwc2_resume()
834 	} else if (dwc2_is_device_mode(dwc2) ||  in dwc2_resume()
835 		   (dwc2_is_host_mode(dwc2) &&  in dwc2_resume()
836 		    dwc2->dr_mode == USB_DR_MODE_OTG &&  in dwc2_resume()
837 		    dwc2->op_state == OTG_STATE_B_PERIPHERAL)) {  in dwc2_resume()
838 		ret = dwc2_hsotg_resume(dwc2);  in dwc2_resume()