diff options
| author |   Andiry Xu <andiry.xu@amd.com> | 2010-07-22 15:23:52 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-10 14:35:42 -0700 |
| commit | 787f4e5adaabba01becd646818dbace2d7e6b386 (patch) | |
| tree | 9f8a1c7980dbc20a62b1344f1d03609639bd9981 /drivers/usb/host/xhci.c | |
| parent | USB: xHCI: allocate bigger ring for isochronous endpoint (diff) | |
| download | linux-dev-787f4e5adaabba01becd646818dbace2d7e6b386.tar.xz linux-dev-787f4e5adaabba01becd646818dbace2d7e6b386.zip | |
USB: xHCI: Isoc urb enqueue
Enable isochronous urb enqueue.
Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to '')
| -rw-r--r-- | drivers/usb/host/xhci.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 295a0a2063a6..89ac48534099 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -897,7 +897,12 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags) slot_id, ep_index); spin_unlock_irqrestore(&xhci->lock, flags); } else { - ret = -EINVAL; + spin_lock_irqsave(&xhci->lock, flags); + if (xhci->xhc_state & XHCI_STATE_DYING) + goto dying; + ret = xhci_queue_isoc_tx_prepare(xhci, GFP_ATOMIC, urb, + slot_id, ep_index); + spin_unlock_irqrestore(&xhci->lock, flags); } exit: return ret; |