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Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
| -rw-r--r-- | drivers/usb/host/ehci-sched.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 4b0903c6c616..1fc2befc4fdc 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1286,6 +1286,10 @@ sitd_slot_ok ( mask = stream->raw_mask << (uframe & 7); + /* for OUT, don't wrap SSPLIT into H-microframe 7 */ + if (((stream->raw_mask & 0xff) << (uframe & 7)) >= (1 << 7)) + return 0; + /* for IN, don't wrap CSPLIT into the next frame */ if (mask & ~0xffff) return 0; |