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| author | Michael Grzeschik <m.grzeschik@pengutronix.de> | 2012-04-18 07:58:23 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-18 20:51:19 (GMT) |
| commit | 8cb2268001f9553f9ff83416ce3f009c4ab1e089 (patch) | |
| tree | f8767568c6cc3d66e5c960bc34e539c96fd567e2 /drivers/usb/host/isp1760-hcd.c | |
| parent | 94011ec24ca1d1d5674651d6f30368f4138dbdd6 (diff) | |
| download | linux-fsl-qoriq-8cb2268001f9553f9ff83416ce3f009c4ab1e089.tar.xz | |
isp1760-hcd: move dequeued qtds to the front in qh
Make sure that dequeued urbs get handled first
by collect_qtds. To achieve that we better move them
up to the head in the qh list.
This for instance fixes hanging serial devices, which wait
for dequeued urbs to properly close their device node.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/isp1760-hcd.c')
| -rw-r--r-- | drivers/usb/host/isp1760-hcd.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c index 02198ee..4a378d3 100644 --- a/drivers/usb/host/isp1760-hcd.c +++ b/drivers/usb/host/isp1760-hcd.c @@ -1683,6 +1683,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, list_for_each_entry(qtd, &qh->qtd_list, qtd_list) if (qtd->urb == urb) { dequeue_urb_from_qtd(hcd, qh, qtd); + list_move(&qtd->qtd_list, &qh->qtd_list); break; } |