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: [email protected] Signed-off-by: Felipe Balbi <[email protected]> --- Written on top of v3.3.3, should apply cleanly. drivers/usb/dwc3/ep0.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index c8df1dd..45ffddb 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 */ -- 1.7.10 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
