diff options
| author | Sage Weil <sage@inktank.com> | 2013-08-15 11:11:45 -0700 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2013-08-15 11:11:45 -0700 |
| commit | ee3e542fec6e69bc9fb668698889a37d93950ddf (patch) | |
| tree | e74ee766a4764769ef1d3d45d266b4dea64101d3 /drivers/usb/host/fhci-sched.c | |
| parent | fe2a801b50c0bb8039d627e5ae1fec249d10ff39 (diff) | |
| parent | f1d6e17f540af37bb1891480143669ba7636c4cf (diff) | |
Merge remote-tracking branch 'linus/master' into testing
Diffstat (limited to 'drivers/usb/host/fhci-sched.c')
| -rw-r--r-- | drivers/usb/host/fhci-sched.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/usb/host/fhci-sched.c b/drivers/usb/host/fhci-sched.c index 8f18538e0ff..95ca5986e67 100644 --- a/drivers/usb/host/fhci-sched.c +++ b/drivers/usb/host/fhci-sched.c @@ -739,9 +739,13 @@ void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb) } /* for ISO transfer calculate start frame index */ - if (ed->mode == FHCI_TF_ISO && urb->transfer_flags & URB_ISO_ASAP) - urb->start_frame = ed->td_head ? ed->last_iso + 1 : + if (ed->mode == FHCI_TF_ISO) { + /* Ignore the possibility of underruns */ + urb->start_frame = ed->td_head ? ed->next_iso : get_frame_num(fhci); + ed->next_iso = (urb->start_frame + urb->interval * + urb->number_of_packets) & 0x07ff; + } /* * OHCI handles the DATA toggle itself,we just use the USB |