diff options
| author | Takashi Iwai <tiwai@suse.de> | 2010-11-29 07:44:01 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-11-29 07:44:01 +0100 |
| commit | ca19e77e44985b5500f5461f7d2f4ce799cb60ce (patch) | |
| tree | 3ba3635ac2f212b332198b14cc3239195c153e67 /drivers/usb/host/ehci-sched.c | |
| parent | 9d57883f08d3c0c111b50bf185dfee9731a12c76 (diff) | |
| parent | ac70eb1305d5a81efd1e32327d7e79be15a63a5a (diff) | |
Merge branch 'fix/hda' into topic/hda
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); |