1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 8cc824bbc4ee..2eb658d26394 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1023,7 +1023,7 @@ static inline unsigned int xhci_get_endpoint_interval(struct usb_device *udev,
         return EP_INTERVAL(interval);
 }
 
-/* The "Mult" field in the endpoint context is only set for SuperSpeed devices.
+/* The "Mult" field in the endpoint context is only set for SuperSpeed isoc eps.
  * High speed endpoint descriptors can define "the number of additional
  * transaction opportunities per microframe", but that goes in the Max Burst
  * endpoint context field.
@@ -1031,7 +1031,8 @@ static inline unsigned int xhci_get_endpoint_interval(struct usb_device *udev,
 static inline u32 xhci_get_endpoint_mult(struct usb_device *udev,
                 struct usb_host_endpoint *ep)
 {
-        if (udev->speed != USB_SPEED_SUPER)
+        if (udev->speed != USB_SPEED_SUPER ||
+                        !usb_endpoint_xfer_isoc(&ep->desc))
                 return 0;
         return ep->ss_ep_comp.bmAttributes;
 }