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xhci: Don't print short isoc packets. 

Now that the xHCI driver always return a status value of zero for isochronous
URBs, when the last TD of an isochronous URB is short, the local variable
"status" stays set to -EINPROGRESS.  When xHCI driver debugging is turned on,
this causes the log file to fill with messages like this:

[   38.859282] xhci_hcd 0000:00:14.0: Giveback URB ffff88013ad47800, len = 1408, expected = 580, status = -115

Don't print out the status of an URB for isochronous URBs.

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:
Sarah Sharp 2011-09-02 11:05:56 -07:00 committed by Greg Kroah-Hartman
parent 86cc558ea5
commit fd984d242a
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/host/xhci-ring.c
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@ -2173,7 +2173,8 @@ static int handle_tx_event(struct xhci_hcd *xhci,
if ((urb->actual_length != urb->transfer_buffer_length && if ((urb->actual_length != urb->transfer_buffer_length &&
(urb->transfer_flags & (urb->transfer_flags &
URB_SHORT_NOT_OK)) || URB_SHORT_NOT_OK)) ||
status != 0) (status != 0 &&
!usb_endpoint_xfer_isoc(&urb->ep->desc)))
xhci_dbg(xhci, "Giveback URB %p, len = %d, " xhci_dbg(xhci, "Giveback URB %p, len = %d, "
"expected = %x, status = %d\n", "expected = %x, status = %d\n",
urb, urb->actual_length, urb, urb->actual_length,