From: Felipe Balbi <balbi@ti.com>
Date: Wed, 21 Mar 2012 09:44:00 +0000 (+0200)
Subject: usb: dwc3: ep0: increment "actual" on bounced ep0 case
X-Git-Tag: v3.3.4~29
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=36de412a4eb52d3558b946f7055e83c19c31b1ba;p=karo-tx-linux.git

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>
---

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index c8df1dd967ef..45ffddb41fc8 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -583,9 +583,10 @@ 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 */