diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 483b5f8cb951..a4d429ce02a2 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -262,7 +262,7 @@ static void xhci_hub_descriptor(struct usb_hcd *hcd, struct xhci_hcd *xhci,
 		struct usb_hub_descriptor *desc)
 {
 
-	if (hcd->speed == HCD_USB3)
+	if (hcd->speed >= HCD_USB3)
 		xhci_usb3_hub_descriptor(hcd, xhci, desc);
 	else
 		xhci_usb2_hub_descriptor(hcd, xhci, desc);
@@ -351,7 +351,7 @@ int xhci_find_slot_id_by_port(struct usb_hcd *hcd, struct xhci_hcd *xhci,
 		if (!xhci->devs[i])
 			continue;
 		speed = xhci->devs[i]->udev->speed;
-		if (((speed == USB_SPEED_SUPER) == (hcd->speed == HCD_USB3))
+		if (((speed >= USB_SPEED_SUPER) == (hcd->speed >= HCD_USB3))
 				&& xhci->devs[i]->fake_port == port) {
 			slot_id = i;
 			break;
@@ -440,7 +440,7 @@ static void xhci_disable_port(struct usb_hcd *hcd, struct xhci_hcd *xhci,
 		u16 wIndex, __le32 __iomem *addr, u32 port_status)
 {
 	/* Don't allow the USB core to disable SuperSpeed ports. */
-	if (hcd->speed == HCD_USB3) {
+	if (hcd->speed >= HCD_USB3) {
 		xhci_dbg(xhci, "Ignoring request to disable "
 				"SuperSpeed port.\n");
 		return;
@@ -508,7 +508,7 @@ static int xhci_get_ports(struct usb_hcd *hcd, __le32 __iomem ***port_array)
 	int max_ports;
 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
 
-	if (hcd->speed == HCD_USB3) {
+	if (hcd->speed >= HCD_USB3) {
 		max_ports = xhci->num_usb3_ports;
 		*port_array = xhci->usb3_ports;
 	} else {
@@ -691,7 +691,7 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
 	if ((raw_port_status & PORT_RC))
 		status |= USB_PORT_STAT_C_RESET << 16;
 	/* USB3.0 only */
-	if (hcd->speed == HCD_USB3) {
+	if (hcd->speed >= HCD_USB3) {
 		/* Port link change with port in resume state should not be
 		 * reported to usbcore, as this is an internal state to be
 		 * handled by xhci driver. Reporting PLC to usbcore may
@@ -707,7 +707,7 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
 			status |= USB_PORT_STAT_C_CONFIG_ERROR << 16;
 	}
 
-	if (hcd->speed != HCD_USB3) {
+	if (hcd->speed < HCD_USB3) {
 		if ((raw_port_status & PORT_PLS_MASK) == XDEV_U3
 				&& (raw_port_status & PORT_POWER))
 			status |= USB_PORT_STAT_SUSPEND;
@@ -770,7 +770,7 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
 			&& (raw_port_status & PORT_POWER)
 			&& (bus_state->suspended_ports & (1 << wIndex))) {
 		bus_state->suspended_ports &= ~(1 << wIndex);
-		if (hcd->speed != HCD_USB3)
+		if (hcd->speed < HCD_USB3)
 			bus_state->port_c_suspend |= 1 << wIndex;
 	}
 	if (raw_port_status & PORT_CONNECT) {
@@ -784,13 +784,13 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
 	if (raw_port_status & PORT_RESET)
 		status |= USB_PORT_STAT_RESET;
 	if (raw_port_status & PORT_POWER) {
-		if (hcd->speed == HCD_USB3)
+		if (hcd->speed >= HCD_USB3)
 			status |= USB_SS_PORT_STAT_POWER;
 		else
 			status |= USB_PORT_STAT_POWER;
 	}
 	/* Update Port Link State */
-	if (hcd->speed == HCD_USB3) {
+	if (hcd->speed >= HCD_USB3) {
 		xhci_hub_report_usb3_link_state(xhci, &status, raw_port_status);
 		/*
 		 * Verify if all USB3 Ports Have entered U0 already.
@@ -835,7 +835,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 		 * descriptor for the USB 3.0 roothub.  If not, we stall the
 		 * endpoint, like external hubs do.
 		 */
-		if (hcd->speed == HCD_USB3 &&
+		if (hcd->speed >= HCD_USB3 &&
 				(wLength < USB_DT_SS_HUB_SIZE ||
 				 wValue != (USB_DT_SS_HUB << 8))) {
 			xhci_dbg(xhci, "Wrong hub descriptor type for "
@@ -1040,7 +1040,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			temp = readl(port_array[wIndex]);
 			break;
 		case USB_PORT_FEAT_U1_TIMEOUT:
-			if (hcd->speed != HCD_USB3)
+			if (hcd->speed < HCD_USB3)
 				goto error;
 			temp = readl(port_array[wIndex] + PORTPMSC);
 			temp &= ~PORT_U1_TIMEOUT_MASK;
@@ -1048,7 +1048,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			writel(temp, port_array[wIndex] + PORTPMSC);
 			break;
 		case USB_PORT_FEAT_U2_TIMEOUT:
-			if (hcd->speed != HCD_USB3)
+			if (hcd->speed < HCD_USB3)
 				goto error;
 			temp = readl(port_array[wIndex] + PORTPMSC);
 			temp &= ~PORT_U2_TIMEOUT_MASK;
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index c79d33676672..012d7f4c2901 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -200,15 +200,17 @@ static int xhci_pci_setup(struct usb_hcd *hcd)
 	struct pci_dev		*pdev = to_pci_dev(hcd->self.controller);
 	int			retval;
 
+	xhci = hcd_to_xhci(hcd);
+	if (!xhci->sbrn)
+		pci_read_config_byte(pdev, XHCI_SBRN_OFFSET, &xhci->sbrn);
+
 	retval = xhci_gen_setup(hcd, xhci_pci_quirks);
 	if (retval)
 		return retval;
 
-	xhci = hcd_to_xhci(hcd);
 	if (!usb_hcd_is_primary_hcd(hcd))
 		return 0;
 
-	pci_read_config_byte(pdev, XHCI_SBRN_OFFSET, &xhci->sbrn);
 	xhci_dbg(xhci, "Got SBRN %u\n", (unsigned int) xhci->sbrn);
 
 	/* Find any debug ports */
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 0e5aa8751c05..48d2d40a53bd 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1453,7 +1453,7 @@ static unsigned int find_faked_portnum_from_hw_portnum(struct usb_hcd *hcd,
 		 * 1.1 ports are under the USB 2.0 hub.  If the port speed
 		 * matches the device speed, it's a similar speed port.
 		 */
-		if ((port_speed == 0x03) == (hcd->speed == HCD_USB3))
+		if ((port_speed == 0x03) == (hcd->speed >= HCD_USB3))
 			num_similar_speed_ports++;
 	}
 	return num_similar_speed_ports;
@@ -1515,7 +1515,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
 
 	/* Find the right roothub. */
 	hcd = xhci_to_hcd(xhci);
-	if ((major_revision == 0x03) != (hcd->speed == HCD_USB3))
+	if ((major_revision == 0x03) != (hcd->speed >= HCD_USB3))
 		hcd = xhci->shared_hcd;
 
 	if (major_revision == 0) {
@@ -1541,7 +1541,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
 	 * correct bus_state structure.
 	 */
 	bus_state = &xhci->bus_state[hcd_index(hcd)];
-	if (hcd->speed == HCD_USB3)
+	if (hcd->speed >= HCD_USB3)
 		port_array = xhci->usb3_ports;
 	else
 		port_array = xhci->usb2_ports;
@@ -1555,7 +1555,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
 		usb_hcd_resume_root_hub(hcd);
 	}
 
-	if (hcd->speed == HCD_USB3 && (temp & PORT_PLS_MASK) == XDEV_INACTIVE)
+	if (hcd->speed >= HCD_USB3 && (temp & PORT_PLS_MASK) == XDEV_INACTIVE)
 		bus_state->port_remote_wakeup &= ~(1 << faked_port_index);
 
 	if ((temp & PORT_PLC) && (temp & PORT_PLS_MASK) == XDEV_RESUME) {
@@ -1633,7 +1633,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
 		goto cleanup;
 	}
 
-	if (hcd->speed != HCD_USB3)
+	if (hcd->speed < HCD_USB3)
 		xhci_test_and_clear_bit(xhci, port_array, faked_port_index,
 					PORT_PLC);
 
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 0ba6c1cc90b4..49a41c7890c8 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3973,7 +3973,7 @@ int xhci_find_raw_port_number(struct usb_hcd *hcd, int port1)
 	__le32 __iomem *addr;
 	int raw_port;
 
-	if (hcd->speed != HCD_USB3)
+	if (hcd->speed < HCD_USB3)
 		addr = xhci->usb2_ports[port1 - 1];
 	else
 		addr = xhci->usb3_ports[port1 - 1];
@@ -4124,7 +4124,7 @@ int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd,
 	int		hird, exit_latency;
 	int		ret;
 
-	if (hcd->speed == HCD_USB3 || !xhci->hw_lpm_support ||
+	if (hcd->speed >= HCD_USB3 || !xhci->hw_lpm_support ||
 			!udev->lpm_capable)
 		return -EPERM;
 
@@ -4241,7 +4241,7 @@ int xhci_update_device(struct usb_hcd *hcd, struct usb_device *udev)
 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
 	int		portnum = udev->portnum - 1;
 
-	if (hcd->speed == HCD_USB3 || !xhci->sw_lpm_support ||
+	if (hcd->speed >= HCD_USB3 || !xhci->sw_lpm_support ||
 			!udev->lpm_capable)
 		return 0;
 
@@ -4841,8 +4841,9 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
 	/* XHCI controllers don't stop the ep queue on short packets :| */
 	hcd->self.no_stop_on_short = 1;
 
+	xhci = hcd_to_xhci(hcd);
+
 	if (usb_hcd_is_primary_hcd(hcd)) {
-		xhci = hcd_to_xhci(hcd);
 		xhci->main_hcd = hcd;
 		/* Mark the first roothub as being USB 2.0.
 		 * The xHCI driver will register the USB 3.0 roothub.
@@ -4856,6 +4857,10 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
 		 */
 		hcd->has_tt = 1;
 	} else {
+		if (xhci->sbrn == 0x31) {
+			xhci_info(xhci, "Host supports USB 3.1 Enhanced SuperSpeed\n");
+			hcd->speed = HCD_USB31;
+		}
 		/* xHCI private pointer was set in xhci_pci_probe for the second
 		 * registered roothub.
 		 */