diff options
| author | Felipe Balbi <balbi@ti.com> | 2012-03-21 10:44:00 +0100 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2012-04-10 11:21:44 +0200 |
| commit | cd423dd3634a5232a3019eb372b144619a61cd16 (patch) | |
| tree | 88090e1f09769c38c875d037cccbfb99fa92d0de /drivers/usb | |
| parent | usb: dwc3: ep0: Handle requests greater than wMaxPacketSize (diff) | |
| download | linux-cd423dd3634a5232a3019eb372b144619a61cd16.tar.xz linux-cd423dd3634a5232a3019eb372b144619a61cd16.zip | |
usb: dwc3: ep0: increment "actual" on bounced ep0 case
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.
Cc: stable@vger.kernel.org
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb')
| -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 a40d3bb0f1c2..da43131be0e7 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -569,9 +569,10 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, dwc->ep0_bounced = false; } else { transferred = ur->length - length; - ur->actual += transferred; } + ur->actual += transferred; + if ((epnum & 1) && ur->actual < ur->length) { /* for some reason we did not get everything out */ |