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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-15 15:05:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-15 15:05:33 -0700 |
| commit | 59c0b586aebdfff2c79d61139a2f5ea3b6d62675 (patch) | |
| tree | 2accc49ecfc9673aaeba03fc91e56611c61d4aa0 /drivers/usb/host/ehci-sched.c | |
| parent | b25eaebc6c5072164fef6f288a3e93241cc78bb7 (diff) | |
| parent | 4238ef54690ea502a22aab41c377f23588c387d0 (diff) | |
| download | kernel_samsung_espresso10-59c0b586aebdfff2c79d61139a2f5ea3b6d62675.zip kernel_samsung_espresso10-59c0b586aebdfff2c79d61139a2f5ea3b6d62675.tar.gz kernel_samsung_espresso10-59c0b586aebdfff2c79d61139a2f5ea3b6d62675.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: gadget: Fix EEM driver comments and VID/PID
usb-storage: Workaround devices with bogus sense size
USB: ehci: Fix IST boundary checking interval math.
USB: option: Support for AIRPLUS MCD650 Datacard
USB: whci-hcd: always do an update after processing a halted qTD
USB: whci-hcd: handle early deletion of endpoints
USB: wusb: don't use the stack to read security descriptor
USB: rename Documentation/ABI/.../sysfs-class-usb_host
Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
| -rw-r--r-- | drivers/usb/host/ehci-sched.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 3efa59b..b25cdea 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? */ @@ -1417,8 +1421,8 @@ 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)) { @@ -1441,10 +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; |