diff options
author | Takashi Iwai <tiwai@suse.de> | 2009-11-14 14:38:28 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2009-11-14 14:38:28 +0100 |
commit | 0c3c35e148dbc03106038dd25816fb9f3a084d86 (patch) | |
tree | 8b8cc6a027353a0f242f61362b35b0942da61b83 /drivers/usb/host/ehci-sched.c | |
parent | 50d40f187f9182ee8caa1b83f80a0e11e2226baa (diff) | |
parent | 5e08fe570c2dbabb5015c37049eb9a451e55c890 (diff) | |
download | blackbird-op-linux-0c3c35e148dbc03106038dd25816fb9f3a084d86.tar.gz blackbird-op-linux-0c3c35e148dbc03106038dd25816fb9f3a084d86.zip |
Merge branch 'fix/misc' into topic/misc
Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
-rw-r--r-- | drivers/usb/host/ehci-sched.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 3ea05936851f..b25cdea93a1f 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1400,6 +1400,10 @@ iso_stream_schedule ( goto fail; } + period = urb->interval; + if (!stream->highspeed) + period <<= 3; + now = ehci_readl(ehci, &ehci->regs->frame_index) % mod; /* when's the last uframe this urb could start? */ @@ -1417,14 +1421,15 @@ iso_stream_schedule ( /* Fell behind (by up to twice the slop amount)? */ if (start >= max - 2 * 8 * SCHEDULE_SLOP) - start += stream->interval * DIV_ROUND_UP( - max - start, stream->interval) - mod; + start += period * DIV_ROUND_UP( + max - start, period) - mod; /* Tried to schedule too far into the future? */ if (unlikely((start + sched->span) >= max)) { status = -EFBIG; goto fail; } + stream->next_uframe = start; goto ready; } @@ -1440,10 +1445,6 @@ iso_stream_schedule ( /* NOTE: assumes URB_ISO_ASAP, to limit complexity/bugs */ - period = urb->interval; - if (!stream->highspeed) - period <<= 3; - /* find a uframe slot with enough bandwidth */ for (; start < (stream->next_uframe + period); start++) { int enough_space; |