diff options
| author | Felipe Balbi <balbi@ti.com> | 2015-01-19 09:57:20 -0600 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-01-19 09:57:20 -0600 |
| commit | d1fc4440d761af47fd0c32661725011bf66ebb51 (patch) | |
| tree | d2fdfe049eac9b45a9418bd1be103297b1c0c55e /drivers/usb/host/ehci-sched.c | |
| parent | fe198e34a44ce7f27e39c303d62a754129938194 (diff) | |
| parent | ec6f34e5b552fb0a52e6aae1a5afbbb1605cc6cc (diff) | |
Merge tag 'v3.19-rc5' into next
Linux 3.19-rc5
Conflicts:
drivers/usb/dwc2/gadget.c
drivers/usb/gadget/udc/bdc/bdc_ep.c
Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
| -rw-r--r-- | drivers/usb/host/ehci-sched.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index e113fd73aeae..f9a332775c47 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1581,6 +1581,10 @@ iso_stream_schedule ( else next = (now + 2 + 7) & ~0x07; /* full frame cache */ + /* If needed, initialize last_iso_frame so that this URB will be seen */ + if (ehci->isoc_count == 0) + ehci->last_iso_frame = now >> 3; + /* * Use ehci->last_iso_frame as the base. There can't be any * TDs scheduled for earlier than that. @@ -1600,11 +1604,11 @@ iso_stream_schedule ( */ now2 = (now - base) & (mod - 1); - /* Is the schedule already full? */ + /* Is the schedule about to wrap around? */ if (unlikely(!empty && start < period)) { - ehci_dbg(ehci, "iso sched full %p (%u-%u < %u mod %u)\n", + ehci_dbg(ehci, "request %p would overflow (%u-%u < %u mod %u)\n", urb, stream->next_uframe, base, period, mod); - status = -ENOSPC; + status = -EFBIG; goto fail; } @@ -1671,10 +1675,6 @@ iso_stream_schedule ( urb->start_frame = start & (mod - 1); if (!stream->highspeed) urb->start_frame >>= 3; - - /* Make sure scan_isoc() sees these */ - if (ehci->isoc_count == 0) - ehci->last_iso_frame = now >> 3; return status; fail: |