summaryrefslogtreecommitdiffstats
path: root/drivers/usb/host/xhci-mem.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/host/xhci-mem.c')
-rw-r--r--drivers/usb/host/xhci-mem.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 8cc824b..2eb658d 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;
}
OpenPOWER on IntegriCloud