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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>
This commit is contained in:
Andiry Xu 2010-07-22 15:23:52 -07:00 committed by Greg Kroah-Hartman
parent a061a5a0b8
commit 787f4e5ada
1 changed files with 6 additions and 1 deletions
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7
drivers/usb/host/xhci.c
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@ -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;