diff --git a/drivers/usb/cdns3/cdnsp-debug.h b/drivers/usb/cdns3/cdnsp-debug.h
index cd138ac..8686068 100644
--- a/drivers/usb/cdns3/cdnsp-debug.h
+++ b/drivers/usb/cdns3/cdnsp-debug.h
@@ -327,12 +327,13 @@ static inline const char *cdnsp_decode_trb(char *str, size_t size, u32 field0,
 	case TRB_RESET_EP:
 	case TRB_HALT_ENDPOINT:
 		ret = scnprintf(str, size,
-				"%s: ep%d%s(%d) ctx %08x%08x slot %ld flags %c",
+				"%s: ep%d%s(%d) ctx %08x%08x slot %ld flags %c %c",
 				cdnsp_trb_type_string(type),
 				ep_num, ep_id % 2 ? "out" : "in",
 				TRB_TO_EP_INDEX(field3), field1, field0,
 				TRB_TO_SLOT_ID(field3),
-				field3 & TRB_CYCLE ? 'C' : 'c');
+				field3 & TRB_CYCLE ? 'C' : 'c',
+				field3 & TRB_ESP ? 'P' : 'p');
 		break;
 	case TRB_STOP_RING:
 		ret = scnprintf(str, size,
diff --git a/drivers/usb/cdns3/cdnsp-ep0.c b/drivers/usb/cdns3/cdnsp-ep0.c
index f317d3c..5cd9b89 100644
--- a/drivers/usb/cdns3/cdnsp-ep0.c
+++ b/drivers/usb/cdns3/cdnsp-ep0.c
@@ -414,6 +414,7 @@ static int cdnsp_ep0_std_request(struct cdnsp_device *pdev,
 void cdnsp_setup_analyze(struct cdnsp_device *pdev)
 {
 	struct usb_ctrlrequest *ctrl = &pdev->setup;
+	struct cdnsp_ep *pep;
 	int ret = -EINVAL;
 	u16 len;
 
@@ -427,10 +428,21 @@ void cdnsp_setup_analyze(struct cdnsp_device *pdev)
 		goto out;
 	}
 
+	pep = &pdev->eps[0];
+
 	/* Restore the ep0 to Stopped/Running state. */
-	if (pdev->eps[0].ep_state & EP_HALTED) {
-		trace_cdnsp_ep0_halted("Restore to normal state");
-		cdnsp_halt_endpoint(pdev, &pdev->eps[0], 0);
+	if (pep->ep_state & EP_HALTED) {
+		if (GET_EP_CTX_STATE(pep->out_ctx) == EP_STATE_HALTED)
+			cdnsp_halt_endpoint(pdev, pep, 0);
+
+		/*
+		 * Halt Endpoint Command for SSP2 for ep0 preserve current
+		 * endpoint state and driver has to synchronize the
+		 * software endpoint state with endpoint output context
+		 * state.
+		 */
+		pep->ep_state &= ~EP_HALTED;
+		pep->ep_state |= EP_STOPPED;
 	}
 
 	/*
diff --git a/drivers/usb/cdns3/cdnsp-gadget.h b/drivers/usb/cdns3/cdnsp-gadget.h
index 2afa3e5..a91cca5 100644
--- a/drivers/usb/cdns3/cdnsp-gadget.h
+++ b/drivers/usb/cdns3/cdnsp-gadget.h
@@ -987,6 +987,12 @@ enum cdnsp_setup_dev {
 #define STREAM_ID_FOR_TRB(p)		((((p)) << 16) & GENMASK(31, 16))
 #define SCT_FOR_TRB(p)			(((p) << 1) & 0x7)
 
+/*
+ * Halt Endpoint Command TRB field.
+ * The ESP bit only exists in the SSP2 controller.
+ */
+#define TRB_ESP				BIT(9)
+
 /* Link TRB specific fields. */
 #define TRB_TC				BIT(1)
 
diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c
index fd06cb8..0758f17 100644
--- a/drivers/usb/cdns3/cdnsp-ring.c
+++ b/drivers/usb/cdns3/cdnsp-ring.c
@@ -772,7 +772,9 @@ static int cdnsp_update_port_id(struct cdnsp_device *pdev, u32 port_id)
 	}
 
 	if (port_id != old_port) {
-		cdnsp_disable_slot(pdev);
+		if (pdev->slot_id)
+			cdnsp_disable_slot(pdev);
+
 		pdev->active_port = port;
 		cdnsp_enable_slot(pdev);
 	}
@@ -2483,7 +2485,8 @@ void cdnsp_queue_halt_endpoint(struct cdnsp_device *pdev, unsigned int ep_index)
 {
 	cdnsp_queue_command(pdev, 0, 0, 0, TRB_TYPE(TRB_HALT_ENDPOINT) |
 			    SLOT_ID_FOR_TRB(pdev->slot_id) |
-			    EP_ID_FOR_TRB(ep_index));
+			    EP_ID_FOR_TRB(ep_index) |
+			    (!ep_index ? TRB_ESP : 0));
 }
 
 void cdnsp_force_header_wakeup(struct cdnsp_device *pdev, int intf_num)
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 8a9b31f..1a48e64 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -2374,6 +2374,10 @@ static void udc_suspend(struct ci_hdrc *ci)
 	 */
 	if (hw_read(ci, OP_ENDPTLISTADDR, ~0) == 0)
 		hw_write(ci, OP_ENDPTLISTADDR, ~0, ~0);
+
+	if (ci->gadget.connected &&
+	    (!ci->suspended || !device_may_wakeup(ci->dev)))
+		usb_gadget_disconnect(&ci->gadget);
 }
 
 static void udc_resume(struct ci_hdrc *ci, bool power_lost)
@@ -2384,6 +2388,9 @@ static void udc_resume(struct ci_hdrc *ci, bool power_lost)
 					OTGSC_BSVIS | OTGSC_BSVIE);
 		if (ci->vbus_active)
 			usb_gadget_vbus_disconnect(&ci->gadget);
+	} else if (ci->vbus_active && ci->driver &&
+		   !ci->gadget.connected) {
+		usb_gadget_connect(&ci->gadget);
 	}
 
 	/* Restore value 0 if it was set for power lost check */
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 770d1e9..3e1215f 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -68,6 +68,12 @@
  */
 #define USB_SHORT_SET_ADDRESS_REQ_TIMEOUT	500  /* ms */
 
+/*
+ * Give SS hubs 200ms time after wake to train downstream links before
+ * assuming no port activity and allowing hub to runtime suspend back.
+ */
+#define USB_SS_PORT_U0_WAKE_TIME	200  /* ms */
+
 /* Protect struct usb_device->state and ->children members
  * Note: Both are also protected by ->dev.sem, except that ->state can
  * change to USB_STATE_NOTATTACHED even when the semaphore isn't held. */
@@ -1095,6 +1101,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 			goto init2;
 		goto init3;
 	}
+
 	hub_get(hub);
 
 	/* The superspeed hub except for root hub has to use Hub Depth
@@ -1343,6 +1350,17 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 		device_unlock(&hdev->dev);
 	}
 
+	if (type == HUB_RESUME && hub_is_superspeed(hub->hdev)) {
+		/* give usb3 downstream links training time after hub resume */
+		usb_autopm_get_interface_no_resume(
+			to_usb_interface(hub->intfdev));
+
+		queue_delayed_work(system_power_efficient_wq,
+				   &hub->post_resume_work,
+				   msecs_to_jiffies(USB_SS_PORT_U0_WAKE_TIME));
+		return;
+	}
+
 	hub_put(hub);
 }
 
@@ -1361,6 +1379,14 @@ static void hub_init_func3(struct work_struct *ws)
 	hub_activate(hub, HUB_INIT3);
 }
 
+static void hub_post_resume(struct work_struct *ws)
+{
+	struct usb_hub *hub = container_of(ws, struct usb_hub, post_resume_work.work);
+
+	usb_autopm_put_interface_async(to_usb_interface(hub->intfdev));
+	hub_put(hub);
+}
+
 enum hub_quiescing_type {
 	HUB_DISCONNECT, HUB_PRE_RESET, HUB_SUSPEND
 };
@@ -1386,6 +1412,7 @@ static void hub_quiesce(struct usb_hub *hub, enum hub_quiescing_type type)
 
 	/* Stop hub_wq and related activity */
 	timer_delete_sync(&hub->irq_urb_retry);
+	flush_delayed_work(&hub->post_resume_work);
 	usb_kill_urb(hub->urb);
 	if (hub->has_indicators)
 		cancel_delayed_work_sync(&hub->leds);
@@ -1944,6 +1971,7 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	hub->hdev = hdev;
 	INIT_DELAYED_WORK(&hub->leds, led_work);
 	INIT_DELAYED_WORK(&hub->init_work, NULL);
+	INIT_DELAYED_WORK(&hub->post_resume_work, hub_post_resume);
 	INIT_WORK(&hub->events, hub_event);
 	INIT_LIST_HEAD(&hub->onboard_devs);
 	spin_lock_init(&hub->irq_urb_lock);
@@ -2337,6 +2365,9 @@ void usb_disconnect(struct usb_device **pdev)
 	usb_remove_ep_devs(&udev->ep0);
 	usb_unlock_device(udev);
 
+	if (udev->usb4_link)
+		device_link_del(udev->usb4_link);
+
 	/* Unregister the device.  The device driver is responsible
 	 * for de-configuring the device and invoking the remove-device
 	 * notifier chain (used by usbfs and possibly others).
diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h
index e6ae73f..9ebc5ef 100644
--- a/drivers/usb/core/hub.h
+++ b/drivers/usb/core/hub.h
@@ -70,6 +70,7 @@ struct usb_hub {
 	u8			indicator[USB_MAXCHILDREN];
 	struct delayed_work	leds;
 	struct delayed_work	init_work;
+	struct delayed_work	post_resume_work;
 	struct work_struct      events;
 	spinlock_t		irq_urb_lock;
 	struct timer_list	irq_urb_retry;
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 53d68d2..0cf94c7 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -227,7 +227,8 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME },
 
 	/* Logitech HD Webcam C270 */
-	{ USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME },
+	{ USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME |
+		USB_QUIRK_NO_LPM},
 
 	/* Logitech HD Pro Webcams C920, C920-C, C922, C925e and C930e */
 	{ USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT },
diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c
index ea1ce8b..489dbdc 100644
--- a/drivers/usb/core/usb-acpi.c
+++ b/drivers/usb/core/usb-acpi.c
@@ -157,7 +157,7 @@ EXPORT_SYMBOL_GPL(usb_acpi_set_power_state);
  */
 static int usb_acpi_add_usb4_devlink(struct usb_device *udev)
 {
-	const struct device_link *link;
+	struct device_link *link;
 	struct usb_port *port_dev;
 	struct usb_hub *hub;
 
@@ -188,6 +188,8 @@ static int usb_acpi_add_usb4_devlink(struct usb_device *udev)
 	dev_dbg(&port_dev->dev, "Created device link from %s to %s\n",
 		dev_name(&port_dev->child->dev), dev_name(nhi_fwnode->dev));
 
+	udev->usb4_link = link;
+
 	return 0;
 }
 
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 2bc775a..8002c23 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -2422,6 +2422,7 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
 {
 	u32 reg;
 	int i;
+	int ret;
 
 	if (!pm_runtime_suspended(dwc->dev) && !PMSG_IS_AUTO(msg)) {
 		dwc->susphy_state = (dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)) &
@@ -2440,7 +2441,9 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
 	case DWC3_GCTL_PRTCAP_DEVICE:
 		if (pm_runtime_suspended(dwc->dev))
 			break;
-		dwc3_gadget_suspend(dwc);
+		ret = dwc3_gadget_suspend(dwc);
+		if (ret)
+			return ret;
 		synchronize_irq(dwc->irq_gadget);
 		dwc3_core_exit(dwc);
 		break;
@@ -2475,7 +2478,9 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
 			break;
 
 		if (dwc->current_otg_role == DWC3_OTG_ROLE_DEVICE) {
-			dwc3_gadget_suspend(dwc);
+			ret = dwc3_gadget_suspend(dwc);
+			if (ret)
+				return ret;
 			synchronize_irq(dwc->irq_gadget);
 		}
 
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 3213612..74968f9 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -3516,7 +3516,7 @@ static int dwc3_gadget_ep_reclaim_completed_trb(struct dwc3_ep *dep,
 	 * We're going to do that here to avoid problems of HW trying
 	 * to use bogus TRBs for transfers.
 	 */
-	if (chain && (trb->ctrl & DWC3_TRB_CTRL_HWO))
+	if (trb->ctrl & DWC3_TRB_CTRL_HWO)
 		trb->ctrl &= ~DWC3_TRB_CTRL_HWO;
 
 	/*
@@ -4821,26 +4821,22 @@ int dwc3_gadget_suspend(struct dwc3 *dwc)
 	int ret;
 
 	ret = dwc3_gadget_soft_disconnect(dwc);
-	if (ret)
-		goto err;
-
-	spin_lock_irqsave(&dwc->lock, flags);
-	if (dwc->gadget_driver)
-		dwc3_disconnect_gadget(dwc);
-	spin_unlock_irqrestore(&dwc->lock, flags);
-
-	return 0;
-
-err:
 	/*
 	 * Attempt to reset the controller's state. Likely no
 	 * communication can be established until the host
 	 * performs a port reset.
 	 */
-	if (dwc->softconnect)
+	if (ret && dwc->softconnect) {
 		dwc3_gadget_soft_connect(dwc);
+		return -EAGAIN;
+	}
 
-	return ret;
+	spin_lock_irqsave(&dwc->lock, flags);
+	if (dwc->gadget_driver)
+		dwc3_disconnect_gadget(dwc);
+	spin_unlock_irqrestore(&dwc->lock, flags);
+
+	return 0;
 }
 
 int dwc3_gadget_resume(struct dwc3 *dwc)
diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
index ab544f6..540dc5a 100644
--- a/drivers/usb/gadget/function/u_serial.c
+++ b/drivers/usb/gadget/function/u_serial.c
@@ -295,8 +295,8 @@ __acquires(&port->port_lock)
 			break;
 	}
 
-	if (do_tty_wake && port->port.tty)
-		tty_wakeup(port->port.tty);
+	if (do_tty_wake)
+		tty_port_tty_wakeup(&port->port);
 	return status;
 }
 
@@ -544,20 +544,16 @@ static int gs_alloc_requests(struct usb_ep *ep, struct list_head *head,
 static int gs_start_io(struct gs_port *port)
 {
 	struct list_head	*head = &port->read_pool;
-	struct usb_ep		*ep;
+	struct usb_ep		*ep = port->port_usb->out;
 	int			status;
 	unsigned		started;
 
-	if (!port->port_usb || !port->port.tty)
-		return -EIO;
-
 	/* Allocate RX and TX I/O buffers.  We can't easily do this much
 	 * earlier (with GFP_KERNEL) because the requests are coupled to
 	 * endpoints, as are the packet sizes we'll be using.  Different
 	 * configurations may use different endpoints with a given port;
 	 * and high speed vs full speed changes packet sizes too.
 	 */
-	ep = port->port_usb->out;
 	status = gs_alloc_requests(ep, head, gs_read_complete,
 		&port->read_allocated);
 	if (status)
@@ -578,7 +574,7 @@ static int gs_start_io(struct gs_port *port)
 		gs_start_tx(port);
 		/* Unblock any pending writes into our circular buffer, in case
 		 * we didn't in gs_start_tx() */
-		tty_wakeup(port->port.tty);
+		tty_port_tty_wakeup(&port->port);
 	} else {
 		/* Free reqs only if we are still connected */
 		if (port->port_usb) {
diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index 0d4ce57..06a2edb 100644
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -652,6 +652,10 @@ static void xhci_dbc_stop(struct xhci_dbc *dbc)
 	case DS_DISABLED:
 		return;
 	case DS_CONFIGURED:
+		spin_lock(&dbc->lock);
+		xhci_dbc_flush_requests(dbc);
+		spin_unlock(&dbc->lock);
+
 		if (dbc->driver->disconnect)
 			dbc->driver->disconnect(dbc);
 		break;
diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c
index 60ed753..d894081 100644
--- a/drivers/usb/host/xhci-dbgtty.c
+++ b/drivers/usb/host/xhci-dbgtty.c
@@ -617,6 +617,7 @@ int dbc_tty_init(void)
 	dbc_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
 	dbc_tty_driver->subtype = SERIAL_TYPE_NORMAL;
 	dbc_tty_driver->init_termios = tty_std_termios;
+	dbc_tty_driver->init_termios.c_lflag &= ~ECHO;
 	dbc_tty_driver->init_termios.c_cflag =
 			B9600 | CS8 | CREAD | HUPCL | CLOCAL;
 	dbc_tty_driver->init_termios.c_ispeed = 9600;
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index bd745a0..6680afa 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1449,6 +1449,10 @@ int xhci_endpoint_init(struct xhci_hcd *xhci,
 	/* Periodic endpoint bInterval limit quirk */
 	if (usb_endpoint_xfer_int(&ep->desc) ||
 	    usb_endpoint_xfer_isoc(&ep->desc)) {
+		if ((xhci->quirks & XHCI_LIMIT_ENDPOINT_INTERVAL_9) &&
+		    interval >= 9) {
+			interval = 8;
+		}
 		if ((xhci->quirks & XHCI_LIMIT_ENDPOINT_INTERVAL_7) &&
 		    udev->speed >= USB_SPEED_HIGH &&
 		    interval >= 7) {
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 0c481cb..00fac8b 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -71,12 +71,22 @@
 #define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_XHCI		0x15ec
 #define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_XHCI		0x15f0
 
+#define PCI_DEVICE_ID_AMD_ARIEL_TYPEC_XHCI		0x13ed
+#define PCI_DEVICE_ID_AMD_ARIEL_TYPEA_XHCI		0x13ee
+#define PCI_DEVICE_ID_AMD_STARSHIP_XHCI			0x148c
+#define PCI_DEVICE_ID_AMD_FIREFLIGHT_15D4_XHCI		0x15d4
+#define PCI_DEVICE_ID_AMD_FIREFLIGHT_15D5_XHCI		0x15d5
+#define PCI_DEVICE_ID_AMD_RAVEN_15E0_XHCI		0x15e0
+#define PCI_DEVICE_ID_AMD_RAVEN_15E1_XHCI		0x15e1
+#define PCI_DEVICE_ID_AMD_RAVEN2_XHCI			0x15e5
 #define PCI_DEVICE_ID_AMD_RENOIR_XHCI			0x1639
 #define PCI_DEVICE_ID_AMD_PROMONTORYA_4			0x43b9
 #define PCI_DEVICE_ID_AMD_PROMONTORYA_3			0x43ba
 #define PCI_DEVICE_ID_AMD_PROMONTORYA_2			0x43bb
 #define PCI_DEVICE_ID_AMD_PROMONTORYA_1			0x43bc
 
+#define PCI_DEVICE_ID_ATI_NAVI10_7316_XHCI		0x7316
+
 #define PCI_DEVICE_ID_ASMEDIA_1042_XHCI			0x1042
 #define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI		0x1142
 #define PCI_DEVICE_ID_ASMEDIA_1142_XHCI			0x1242
@@ -280,6 +290,21 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 	if (pdev->vendor == PCI_VENDOR_ID_NEC)
 		xhci->quirks |= XHCI_NEC_HOST;
 
+	if (pdev->vendor == PCI_VENDOR_ID_AMD &&
+	    (pdev->device == PCI_DEVICE_ID_AMD_ARIEL_TYPEC_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_AMD_ARIEL_TYPEA_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_AMD_STARSHIP_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_AMD_FIREFLIGHT_15D4_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_AMD_FIREFLIGHT_15D5_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_AMD_RAVEN_15E0_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_AMD_RAVEN_15E1_XHCI ||
+	     pdev->device == PCI_DEVICE_ID_AMD_RAVEN2_XHCI))
+		xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_9;
+
+	if (pdev->vendor == PCI_VENDOR_ID_ATI &&
+	    pdev->device == PCI_DEVICE_ID_ATI_NAVI10_7316_XHCI)
+		xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_9;
+
 	if (pdev->vendor == PCI_VENDOR_ID_AMD && xhci->hci_version == 0x96)
 		xhci->quirks |= XHCI_AMD_0x96_HOST;
 
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 6dab142..c79d5ed 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -328,7 +328,8 @@ int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const s
 	}
 
 	usb3_hcd = xhci_get_usb3_hcd(xhci);
-	if (usb3_hcd && HCC_MAX_PSA(xhci->hcc_params) >= 4)
+	if (usb3_hcd && HCC_MAX_PSA(xhci->hcc_params) >= 4 &&
+	    !(xhci->quirks & XHCI_BROKEN_STREAMS))
 		usb3_hcd->can_do_streams = 1;
 
 	if (xhci->shared_hcd) {
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index e038ad3..94c9c92 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -518,9 +518,8 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci, unsigned long flags)
 	 * In the future we should distinguish between -ENODEV and -ETIMEDOUT
 	 * and try to recover a -ETIMEDOUT with a host controller reset.
 	 */
-	ret = xhci_handshake_check_state(xhci, &xhci->op_regs->cmd_ring,
-			CMD_RING_RUNNING, 0, 5 * 1000 * 1000,
-			XHCI_STATE_REMOVING);
+	ret = xhci_handshake(&xhci->op_regs->cmd_ring,
+			CMD_RING_RUNNING, 0, 5 * 1000 * 1000);
 	if (ret < 0) {
 		xhci_err(xhci, "Abort failed to stop command ring: %d\n", ret);
 		xhci_halt(xhci);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 4e6dbd2..8a819e8 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -85,29 +85,6 @@ int xhci_handshake(void __iomem *ptr, u32 mask, u32 done, u64 timeout_us)
 }
 
 /*
- * xhci_handshake_check_state - same as xhci_handshake but takes an additional
- * exit_state parameter, and bails out with an error immediately when xhc_state
- * has exit_state flag set.
- */
-int xhci_handshake_check_state(struct xhci_hcd *xhci, void __iomem *ptr,
-		u32 mask, u32 done, int usec, unsigned int exit_state)
-{
-	u32	result;
-	int	ret;
-
-	ret = readl_poll_timeout_atomic(ptr, result,
-				(result & mask) == done ||
-				result == U32_MAX ||
-				xhci->xhc_state & exit_state,
-				1, usec);
-
-	if (result == U32_MAX || xhci->xhc_state & exit_state)
-		return -ENODEV;
-
-	return ret;
-}
-
-/*
  * Disable interrupts and begin the xHCI halting process.
  */
 void xhci_quiesce(struct xhci_hcd *xhci)
@@ -227,8 +204,7 @@ int xhci_reset(struct xhci_hcd *xhci, u64 timeout_us)
 	if (xhci->quirks & XHCI_INTEL_HOST)
 		udelay(1000);
 
-	ret = xhci_handshake_check_state(xhci, &xhci->op_regs->command,
-				CMD_RESET, 0, timeout_us, XHCI_STATE_REMOVING);
+	ret = xhci_handshake(&xhci->op_regs->command, CMD_RESET, 0, timeout_us);
 	if (ret)
 		return ret;
 
@@ -1182,7 +1158,10 @@ int xhci_resume(struct xhci_hcd *xhci, bool power_lost, bool is_auto_resume)
 		xhci_dbg(xhci, "Stop HCD\n");
 		xhci_halt(xhci);
 		xhci_zero_64b_regs(xhci);
-		retval = xhci_reset(xhci, XHCI_RESET_LONG_USEC);
+		if (xhci->xhc_state & XHCI_STATE_REMOVING)
+			retval = -ENODEV;
+		else
+			retval = xhci_reset(xhci, XHCI_RESET_LONG_USEC);
 		spin_unlock_irq(&xhci->lock);
 		if (retval)
 			return retval;
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 49887a3..a20f4e7 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1643,6 +1643,7 @@ struct xhci_hcd {
 #define XHCI_WRITE_64_HI_LO	BIT_ULL(47)
 #define XHCI_CDNS_SCTX_QUIRK	BIT_ULL(48)
 #define XHCI_ETRON_HOST	BIT_ULL(49)
+#define XHCI_LIMIT_ENDPOINT_INTERVAL_9 BIT_ULL(50)
 
 	unsigned int		num_active_eps;
 	unsigned int		limit_active_eps;
@@ -1868,8 +1869,6 @@ void xhci_skip_sec_intr_events(struct xhci_hcd *xhci,
 /* xHCI host controller glue */
 typedef void (*xhci_get_quirks_t)(struct device *, struct xhci_hcd *);
 int xhci_handshake(void __iomem *ptr, u32 mask, u32 done, u64 timeout_us);
-int xhci_handshake_check_state(struct xhci_hcd *xhci, void __iomem *ptr,
-		u32 mask, u32 done, int usec, unsigned int exit_state);
 void xhci_quiesce(struct xhci_hcd *xhci);
 int xhci_halt(struct xhci_hcd *xhci);
 int xhci_start(struct xhci_hcd *xhci);
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c
index b09b58d..d8b906e 100644
--- a/drivers/usb/typec/altmodes/displayport.c
+++ b/drivers/usb/typec/altmodes/displayport.c
@@ -394,8 +394,7 @@ static int dp_altmode_vdm(struct typec_altmode *alt,
 	case CMDT_RSP_NAK:
 		switch (cmd) {
 		case DP_CMD_STATUS_UPDATE:
-			if (typec_altmode_exit(alt))
-				dev_err(&dp->alt->dev, "Exit Mode Failed!\n");
+			dp->state = DP_STATE_EXIT;
 			break;
 		case DP_CMD_CONFIGURE:
 			dp->data.conf = 0;
@@ -677,7 +676,7 @@ static ssize_t pin_assignment_show(struct device *dev,
 
 	assignments = get_current_pin_assignments(dp);
 
-	for (i = 0; assignments; assignments >>= 1, i++) {
+	for (i = 0; assignments && i < DP_PIN_ASSIGN_MAX; assignments >>= 1, i++) {
 		if (assignments & 1) {
 			if (i == cur)
 				len += sprintf(buf + len, "[%s] ",
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 1a1f9e1..1f6fdfa 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -4410,17 +4410,6 @@ static int tcpm_src_attach(struct tcpm_port *port)
 
 	tcpm_enable_auto_vbus_discharge(port, true);
 
-	ret = tcpm_set_roles(port, true, TYPEC_STATE_USB,
-			     TYPEC_SOURCE, tcpm_data_role_for_source(port));
-	if (ret < 0)
-		return ret;
-
-	if (port->pd_supported) {
-		ret = port->tcpc->set_pd_rx(port->tcpc, true);
-		if (ret < 0)
-			goto out_disable_mux;
-	}
-
 	/*
 	 * USB Type-C specification, version 1.2,
 	 * chapter 4.5.2.2.8.1 (Attached.SRC Requirements)
@@ -4430,13 +4419,24 @@ static int tcpm_src_attach(struct tcpm_port *port)
 	    (polarity == TYPEC_POLARITY_CC2 && port->cc1 == TYPEC_CC_RA)) {
 		ret = tcpm_set_vconn(port, true);
 		if (ret < 0)
-			goto out_disable_pd;
+			return ret;
 	}
 
 	ret = tcpm_set_vbus(port, true);
 	if (ret < 0)
 		goto out_disable_vconn;
 
+	ret = tcpm_set_roles(port, true, TYPEC_STATE_USB, TYPEC_SOURCE,
+			     tcpm_data_role_for_source(port));
+	if (ret < 0)
+		goto out_disable_vbus;
+
+	if (port->pd_supported) {
+		ret = port->tcpc->set_pd_rx(port->tcpc, true);
+		if (ret < 0)
+			goto out_disable_mux;
+	}
+
 	port->pd_capable = false;
 
 	port->partner = NULL;
@@ -4447,14 +4447,14 @@ static int tcpm_src_attach(struct tcpm_port *port)
 
 	return 0;
 
-out_disable_vconn:
-	tcpm_set_vconn(port, false);
-out_disable_pd:
-	if (port->pd_supported)
-		port->tcpc->set_pd_rx(port->tcpc, false);
 out_disable_mux:
 	tcpm_mux_set(port, TYPEC_STATE_SAFE, USB_ROLE_NONE,
 		     TYPEC_ORIENTATION_NONE);
+out_disable_vbus:
+	tcpm_set_vbus(port, false);
+out_disable_vconn:
+	tcpm_set_vconn(port, false);
+
 	return ret;
 }
 
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 1b2545b..92c752f 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -614,6 +614,7 @@ struct usb3_lpm_parameters {
  *	FIXME -- complete doc
  * @authenticated: Crypto authentication passed
  * @tunnel_mode: Connection native or tunneled over USB4
+ * @usb4_link: device link to the USB4 host interface
  * @lpm_capable: device supports LPM
  * @lpm_devinit_allow: Allow USB3 device initiated LPM, exit latency is in range
  * @usb2_hw_lpm_capable: device can perform USB2 hardware LPM
@@ -724,6 +725,7 @@ struct usb_device {
 	unsigned reset_resume:1;
 	unsigned port_is_suspended:1;
 	enum usb_link_tunnel_mode tunnel_mode;
+	struct device_link *usb4_link;
 
 	int slot_id;
 	struct usb2_lpm_parameters l1_params;
diff --git a/include/linux/usb/typec_dp.h b/include/linux/usb/typec_dp.h
index f2da264..acb0ad0 100644
--- a/include/linux/usb/typec_dp.h
+++ b/include/linux/usb/typec_dp.h
@@ -57,6 +57,7 @@ enum {
 	DP_PIN_ASSIGN_D,
 	DP_PIN_ASSIGN_E,
 	DP_PIN_ASSIGN_F, /* Not supported after v1.0b */
+	DP_PIN_ASSIGN_MAX,
 };
 
 /* DisplayPort alt mode specific commands */