Contents of /trunk/kernel-magellan/patches-3.1.4-r1/0103-3.1.4-all-fixes.patch
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Revision 1592 -
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Thu Dec 1 16:53:20 2011 UTC (12 years, 5 months ago) by niro
File size: 963 byte(s)
Thu Dec 1 16:53:20 2011 UTC (12 years, 5 months ago) by niro
File size: 963 byte(s)
3.1.4-magellan-r1
| 1 | diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c |
| 2 | index afef3df..29bec34 100644 |
| 3 | --- a/drivers/usb/host/ehci-sched.c |
| 4 | +++ b/drivers/usb/host/ehci-sched.c |
| 5 | @@ -1480,15 +1480,10 @@ iso_stream_schedule ( |
| 6 | |
| 7 | /* NOTE: assumes URB_ISO_ASAP, to limit complexity/bugs */ |
| 8 | |
| 9 | - /* find a uframe slot with enough bandwidth. |
| 10 | - * Early uframes are more precious because full-speed |
| 11 | - * iso IN transfers can't use late uframes, |
| 12 | - * and therefore they should be allocated last. |
| 13 | - */ |
| 14 | - next = start; |
| 15 | - start += period; |
| 16 | - do { |
| 17 | - start--; |
| 18 | + /* find a uframe slot with enough bandwidth */ |
| 19 | + next = start + period; |
| 20 | + for (; start < next; start++) { |
| 21 | + |
| 22 | /* check schedule: enough space? */ |
| 23 | if (stream->highspeed) { |
| 24 | if (itd_slot_ok(ehci, mod, start, |
| 25 | @@ -1501,7 +1496,7 @@ iso_stream_schedule ( |
| 26 | start, sched, period)) |
| 27 | break; |
| 28 | } |
| 29 | - } while (start > next); |
| 30 | + } |
| 31 | |
| 32 | /* no room in the schedule */ |
| 33 | if (start == next) { |