diff options
author | Ingo Molnar <mingo@elte.hu> | 2011-01-07 14:14:15 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2011-01-07 14:14:15 +0100 |
commit | 1c2a48cf65580a276552151eb8f78d78c55b828e (patch) | |
tree | 68ed0628a276b33cb5aa0ad4899c1afe0a33a69d /drivers/usb/host/ehci-sched.c | |
parent | 0aa002fe602939370e9476e5ec32b562000a0425 (diff) | |
parent | cb600d2f83c854ec3d6660063e4466431999489b (diff) |
Merge branch 'linus' into x86/apic-cleanups
Conflicts:
arch/x86/include/asm/io_apic.h
Merge reason: Resolve the conflict, update to a more recent -rc base
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
-rw-r--r-- | drivers/usb/host/ehci-sched.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index a92526d6e5ae..d9f78eb26572 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -98,7 +98,14 @@ static void periodic_unlink (struct ehci_hcd *ehci, unsigned frame, void *ptr) */ *prev_p = *periodic_next_shadow(ehci, &here, Q_NEXT_TYPE(ehci, *hw_p)); - *hw_p = *shadow_next_periodic(ehci, &here, Q_NEXT_TYPE(ehci, *hw_p)); + + if (!ehci->use_dummy_qh || + *shadow_next_periodic(ehci, &here, Q_NEXT_TYPE(ehci, *hw_p)) + != EHCI_LIST_END(ehci)) + *hw_p = *shadow_next_periodic(ehci, &here, + Q_NEXT_TYPE(ehci, *hw_p)); + else + *hw_p = ehci->dummy->qh_dma; } /* how many of the uframe's 125 usecs are allocated? */ @@ -2335,7 +2342,11 @@ restart: * pointer for much longer, if at all. */ *q_p = q.itd->itd_next; - *hw_p = q.itd->hw_next; + if (!ehci->use_dummy_qh || + q.itd->hw_next != EHCI_LIST_END(ehci)) + *hw_p = q.itd->hw_next; + else + *hw_p = ehci->dummy->qh_dma; type = Q_NEXT_TYPE(ehci, q.itd->hw_next); wmb(); modified = itd_complete (ehci, q.itd); @@ -2368,7 +2379,11 @@ restart: * URB completion. */ *q_p = q.sitd->sitd_next; - *hw_p = q.sitd->hw_next; + if (!ehci->use_dummy_qh || + q.sitd->hw_next != EHCI_LIST_END(ehci)) + *hw_p = q.sitd->hw_next; + else + *hw_p = ehci->dummy->qh_dma; type = Q_NEXT_TYPE(ehci, q.sitd->hw_next); wmb(); modified = sitd_complete (ehci, q.sitd); |