diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-01-28 15:30:32 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-01-28 15:30:32 +0100 |
| commit | 41ca5d4e9be11ea6ae040b51d9628a189fd82896 (patch) | |
| tree | f9c35cc37b9622f6cccd91b94548f44b9a534029 /drivers/usb/host/ehci-sched.c | |
| parent | 0fcedc8631ec28ca25d3c0b116e8fa0c19dd5f6d (diff) | |
| parent | 3669ef9fa7d35f573ec9c0e0341b29251c2734a7 (diff) | |
Merge commit 3669ef9fa7d3 ("x86, tls: Interpret an all-zero struct user_desc as 'no segment'") into x86/asm
Pick up the latestest asm fixes before advancing it any further.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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: |