On Tue, Jul 20, 2010 at 04:49:38PM +0800, Andiry Xu wrote:
> >From 2664535f06fc6c9505ea4e4fb41de51b06978487 Mon Sep 17 00:00:00 2001
> From: Andiry Xu <andiry.xu@xxxxxxx>
> Date: Tue, 9 Mar 2010 19:00:29 +0800
> Subject: [PATCH 10/10] xHCI: Isoc urb enqueue
>
> Enable isochronous urb enqueue.
>
> Signed-off-by: Andiry Xu <andiry.xu@xxxxxxx>
Signed-off-by: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx>
> ---
> 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 448e000..6ca7ec4 100644
> --- a/drivers/usb/host/xhci.c
> +++ b/drivers/usb/host/xhci.c
> @@ -813,7 +813,12 @@ 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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