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| author |   Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2011-09-02 11:05:56 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2011-09-09 15:52:54 -0700 |
| commit | fd984d242afbe13bd94c60b6754feda93be69bd7 (patch) | |
| tree | 52b13a5ac5e2036e5de68bc89aa9a5316ec73479 /drivers/usb/host | |
| parent | xhci: Add software BW checking quirk to Intel PPT xHCI (diff) | |
| download | linux-dev-fd984d242afbe13bd94c60b6754feda93be69bd7.tar.xz linux-dev-fd984d242afbe13bd94c60b6754feda93be69bd7.zip | |
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>
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 58a6e26648ea..d14f3fbe5762 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2173,7 +2173,8 @@ cleanup: if ((urb->actual_length != urb->transfer_buffer_length && (urb->transfer_flags & URB_SHORT_NOT_OK)) || - status != 0) + (status != 0 && + !usb_endpoint_xfer_isoc(&urb->ep->desc))) xhci_dbg(xhci, "Giveback URB %p, len = %d, " "expected = %x, status = %d\n", urb, urb->actual_length, |