diff options
Diffstat (limited to 'drivers/usb/core/urb.c')
-rw-r--r-- | drivers/usb/core/urb.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index c14fc082864..ae334b067c1 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c | |||
@@ -366,7 +366,16 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) | |||
366 | if (xfertype == USB_ENDPOINT_XFER_ISOC) { | 366 | if (xfertype == USB_ENDPOINT_XFER_ISOC) { |
367 | int n, len; | 367 | int n, len; |
368 | 368 | ||
369 | /* FIXME SuperSpeed isoc endpoints have up to 16 bursts */ | 369 | /* SuperSpeed isoc endpoints have up to 16 bursts of up to |
370 | * 3 packets each | ||
371 | */ | ||
372 | if (dev->speed == USB_SPEED_SUPER) { | ||
373 | int burst = 1 + ep->ss_ep_comp.bMaxBurst; | ||
374 | int mult = USB_SS_MULT(ep->ss_ep_comp.bmAttributes); | ||
375 | max *= burst; | ||
376 | max *= mult; | ||
377 | } | ||
378 | |||
370 | /* "high bandwidth" mode, 1-3 packets/uframe? */ | 379 | /* "high bandwidth" mode, 1-3 packets/uframe? */ |
371 | if (dev->speed == USB_SPEED_HIGH) { | 380 | if (dev->speed == USB_SPEED_HIGH) { |
372 | int mult = 1 + ((max >> 11) & 0x03); | 381 | int mult = 1 + ((max >> 11) & 0x03); |