diff options
| author | Felipe Balbi <balbi@ti.com> | 2012-03-21 11:44:00 +0200 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2012-05-11 13:14:15 +0100 |
| commit | 0ae5d66e40cde5a95ed16d28a480d2ce91834bfc (patch) | |
| tree | d52d316e7e656515338e42c3499b5e7c72b33d03 | |
| parent | 4d0892e26975d5664bdf127646f8d3988c99e98e (diff) | |
usb: dwc3: ep0: increment "actual" on bounced ep0 case
commit cd423dd3634a5232a3019eb372b144619a61cd16 upstream.
due to a HW limitation we have a bounce buffer for ep0
out transfers which are not aligned with MaxPacketSize.
On such case we were not increment r->actual as we should.
This patch fixes that mistake.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
| -rw-r--r-- | drivers/usb/dwc3/ep0.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 27bd50a9e06..c0dcf698cb7 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -572,9 +572,10 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, dwc->ep0_bounced = false; } else { transferred = ur->length - trb.length; - ur->actual += transferred; } + ur->actual += transferred; + if ((epnum & 1) && ur->actual < ur->length) { /* for some reason we did not get everything out */ |