>From 889b29447bb05fbb869899a12b0a2c25281fae84 Mon Sep 17 00:00:00 2001
From: Andiry Xu <andiry.xu@xxxxxxx>
Date: Tue, 9 Mar 2010 19:00:29 +0800
Subject: [PATCH 4/4] xHCI: Isoc urb enqueue
Enable isochronous urb enqueue.
Signed-off-by: Andiry Xu <andiry.xu@xxxxxxx>
---
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 171ebf1..b30e4b3 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -772,7 +772,12 @@ 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;
--
1.7.0.4
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