diff options
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/host/ehci-sched.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index e113fd73aeae..c399606f154e 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c | |||
@@ -1581,6 +1581,10 @@ iso_stream_schedule ( | |||
1581 | else | 1581 | else |
1582 | next = (now + 2 + 7) & ~0x07; /* full frame cache */ | 1582 | next = (now + 2 + 7) & ~0x07; /* full frame cache */ |
1583 | 1583 | ||
1584 | /* If needed, initialize last_iso_frame so that this URB will be seen */ | ||
1585 | if (ehci->isoc_count == 0) | ||
1586 | ehci->last_iso_frame = now >> 3; | ||
1587 | |||
1584 | /* | 1588 | /* |
1585 | * Use ehci->last_iso_frame as the base. There can't be any | 1589 | * Use ehci->last_iso_frame as the base. There can't be any |
1586 | * TDs scheduled for earlier than that. | 1590 | * TDs scheduled for earlier than that. |
@@ -1671,10 +1675,6 @@ iso_stream_schedule ( | |||
1671 | urb->start_frame = start & (mod - 1); | 1675 | urb->start_frame = start & (mod - 1); |
1672 | if (!stream->highspeed) | 1676 | if (!stream->highspeed) |
1673 | urb->start_frame >>= 3; | 1677 | urb->start_frame >>= 3; |
1674 | |||
1675 | /* Make sure scan_isoc() sees these */ | ||
1676 | if (ehci->isoc_count == 0) | ||
1677 | ehci->last_iso_frame = now >> 3; | ||
1678 | return status; | 1678 | return status; |
1679 | 1679 | ||
1680 | fail: | 1680 | fail: |