diff options
| author | Varun Wadekar <vwadekar@nvidia.com> | 2011-12-14 15:33:34 +0530 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2011-12-14 15:33:34 +0530 |
| commit | 638bc555a05c39ced59744c79c0461536782808d (patch) | |
| tree | 42bf9c8cdfd44898be31bc31cf2e4743a2484cf4 /drivers/usb/host | |
| parent | f05a661e2247076a0c0e5a09ee8c4397b0de855e (diff) | |
| parent | caf4b0430be8296bf644199bf3ed3056c02420c7 (diff) | |
Merge branch 'linux-3.1.5' into android-tegra-nv-3.1
Conflicts:
arch/arm/Kconfig
Change-Id: If8aaaf3efcbbf6c9017b38efb6d76ef933f147fa
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/ehci-sched.c | 22 | ||||
| -rw-r--r-- | drivers/usb/host/whci/qset.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.c | 5 |
3 files changed, 19 insertions, 10 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 29bec34973b9..c787af2ba4be 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1476,30 +1476,36 @@ iso_stream_schedule ( * jump until after the queue is primed. */ else { + int done = 0; start = SCHEDULE_SLOP + (now & ~0x07); /* NOTE: assumes URB_ISO_ASAP, to limit complexity/bugs */ - /* find a uframe slot with enough bandwidth */ - next = start + period; - for (; start < next; start++) { - + /* find a uframe slot with enough bandwidth. + * Early uframes are more precious because full-speed + * iso IN transfers can't use late uframes, + * and therefore they should be allocated last. + */ + next = start; + start += period; + do { + start--; /* check schedule: enough space? */ if (stream->highspeed) { if (itd_slot_ok(ehci, mod, start, stream->usecs, period)) - break; + done = 1; } else { if ((start % 8) >= 6) continue; if (sitd_slot_ok(ehci, mod, stream, start, sched, period)) - break; + done = 1; } - } + } while (start > next && !done); /* no room in the schedule */ - if (start == next) { + if (!done) { ehci_dbg(ehci, "iso resched full %p (now %d max %d)\n", urb, now, now + mod); status = -ENOSPC; diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c index d6e175428618..a403b53e86b9 100644 --- a/drivers/usb/host/whci/qset.c +++ b/drivers/usb/host/whci/qset.c @@ -124,7 +124,7 @@ void qset_clear(struct whc *whc, struct whc_qset *qset) { qset->td_start = qset->td_end = qset->ntds = 0; - qset->qh.link = cpu_to_le32(QH_LINK_NTDS(8) | QH_LINK_T); + qset->qh.link = cpu_to_le64(QH_LINK_NTDS(8) | QH_LINK_T); qset->qh.status = qset->qh.status & QH_STATUS_SEQ_MASK; qset->qh.err_count = 0; qset->qh.scratch[0] = 0; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 67900ff4146a..10dc1bdf3a71 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -657,7 +657,10 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci) ring = xhci->cmd_ring; seg = ring->deq_seg; do { - memset(seg->trbs, 0, SEGMENT_SIZE); + memset(seg->trbs, 0, + sizeof(union xhci_trb) * (TRBS_PER_SEGMENT - 1)); + seg->trbs[TRBS_PER_SEGMENT - 1].link.control &= + cpu_to_le32(~TRB_CYCLE); seg = seg->next; } while (seg != ring->deq_seg); |