From 787f4e5adaabba01becd646818dbace2d7e6b386 Mon Sep 17 00:00:00 2001 From: Andiry Xu Date: Thu, 22 Jul 2010 15:23:52 -0700 Subject: [PATCH] USB: xHCI: Isoc urb enqueue Enable isochronous urb enqueue. Signed-off-by: Andiry Xu Signed-off-by: Sarah Sharp Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 295a0a2..89ac485 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; -- 2.7.4