3 files changed, 18 insertions, 6 deletions

diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index a3d2e2399655..96fdfb815f89 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -221,7 +221,7 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end,
                 break;
         case USB_ENDPOINT_XFER_INT:
                 type = "Int.";
-                if (speed == USB_SPEED_HIGH)
+                if (speed == USB_SPEED_HIGH || speed == USB_SPEED_SUPER)
                         interval = 1 << (desc->bInterval - 1);
                 else
                         interval = desc->bInterval;
@@ -229,7 +229,8 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end,
         default:        /* "can't happen" */
                 return start;
         }
-        interval *= (speed == USB_SPEED_HIGH) ? 125 : 1000;
+        interval *= (speed == USB_SPEED_HIGH ||
+                     speed == USB_SPEED_SUPER) ? 125 : 1000;
         if (interval % 1000)
                 unit = 'u';
         else {
@@ -542,8 +543,9 @@ static ssize_t usb_device_dump(char __user **buffer, size_t *nbytes,
         if (level == 0) {
                 int     max;
 
-                /* high speed reserves 80%, full/low reserves 90% */
-                if (usbdev->speed == USB_SPEED_HIGH)
+                /* super/high speed reserves 80%, full/low reserves 90% */
+                if (usbdev->speed == USB_SPEED_HIGH ||
+                    usbdev->speed == USB_SPEED_SUPER)
                         max = 800;
                 else
                         max = FRAME_TIME_MAX_USECS_ALLOC;
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 8eed05d23838..77a7faec8d78 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1908,7 +1908,7 @@ void usb_free_streams(struct usb_interface *interface,
 
         /* Streams only apply to bulk endpoints. */
         for (i = 0; i < num_eps; i++)
-                if (!usb_endpoint_xfer_bulk(&eps[i]->desc))
+                if (!eps[i] || !usb_endpoint_xfer_bulk(&eps[i]->desc))
                         return;
 
         hcd->driver->free_streams(hcd, dev, eps, num_eps, mem_flags);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 8fb754916c67..93720bdc9efd 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2285,7 +2285,17 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
         }
 
         /* see 7.1.7.6 */
-        status = set_port_feature(hub->hdev, port1, USB_PORT_FEAT_SUSPEND);
+        /* Clear PORT_POWER if it's a USB3.0 device connected to USB 3.0
+         * external hub.
+         * FIXME: this is a temporary workaround to make the system able
+         * to suspend/resume.
+         */
+        if ((hub->hdev->parent != NULL) && hub_is_superspeed(hub->hdev))
+                status = clear_port_feature(hub->hdev, port1,
+                                                USB_PORT_FEAT_POWER);
+        else
+                status = set_port_feature(hub->hdev, port1,
+                                                USB_PORT_FEAT_SUSPEND);
         if (status) {
                 dev_dbg(hub->intfdev, "can't suspend port %d, status %d\n",
                                 port1, status);