diff options
Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
| -rw-r--r-- | drivers/usb/host/ehci-sched.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 7eb242f27c00..b764cab2ab9a 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1391,15 +1391,11 @@ iso_stream_schedule ( */ if (likely (!list_empty (&stream->td_list))) { - /* For high speed devices, allow scheduling within the - * isochronous scheduling threshold. For full speed devices - * and Intel PCI-based controllers, don't (work around for - * Intel ICH9 bug). - */ - if (!stream->highspeed && ehci->fs_i_thresh) - next = now + ehci->i_thresh; + /* Take the isochronous scheduling threshold into account */ + if (ehci->i_thresh) + next = now + ehci->i_thresh; /* uframe cache */ else - next = now; + next = (now + 2 + 7) & ~0x07; /* full frame cache */ /* * Use ehci->last_iso_frame as the base. There can't be any |
