diff options
Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
| -rw-r--r-- | drivers/usb/host/ehci-sched.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 556d0ec0c1f..edd61ee9032 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -542,6 +542,7 @@ static int qh_link_periodic (struct ehci_hcd *ehci, struct ehci_qh *qh) } } qh->qh_state = QH_STATE_LINKED; + qh->xacterrs = 0; qh_get (qh); /* update per-qh bandwidth for usbfs */ @@ -760,8 +761,10 @@ static int qh_schedule(struct ehci_hcd *ehci, struct ehci_qh *qh) if (status) { /* "normal" case, uframing flexible except with splits */ if (qh->period) { - frame = qh->period - 1; - do { + int i; + + for (i = qh->period; status && i > 0; --i) { + frame = ++ehci->random_frame % qh->period; for (uframe = 0; uframe < 8; uframe++) { status = check_intr_schedule (ehci, frame, uframe, qh, @@ -769,7 +772,7 @@ static int qh_schedule(struct ehci_hcd *ehci, struct ehci_qh *qh) if (status == 0) break; } - } while (status && frame--); + } /* qh->period == 0 means every uframe */ } else { @@ -1617,11 +1620,14 @@ itd_complete ( desc->status = -EPROTO; /* HC need not update length with this error */ - if (!(t & EHCI_ISOC_BABBLE)) - desc->actual_length = EHCI_ITD_LENGTH (t); + if (!(t & EHCI_ISOC_BABBLE)) { + desc->actual_length = EHCI_ITD_LENGTH(t); + urb->actual_length += desc->actual_length; + } } else if (likely ((t & EHCI_ISOC_ACTIVE) == 0)) { desc->status = 0; - desc->actual_length = EHCI_ITD_LENGTH (t); + desc->actual_length = EHCI_ITD_LENGTH(t); + urb->actual_length += desc->actual_length; } else { /* URB was too late */ desc->status = -EXDEV; @@ -2012,7 +2018,8 @@ sitd_complete ( desc->status = -EPROTO; } else { desc->status = 0; - desc->actual_length = desc->length - SITD_LENGTH (t); + desc->actual_length = desc->length - SITD_LENGTH(t); + urb->actual_length += desc->actual_length; } stream->depth -= stream->interval << 3; |