Hardware zlt will try to send the zero length packet automatically when the data transferd is multiple times of max packet, this will cause issues on Windows. So let's disable HW zlt by default. Signed-off-by: Neil Zhang <zhangwm@xxxxxxxxxxx> --- drivers/usb/gadget/mv_udc_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c index ebc0dfd..657ac5c 100644 --- a/drivers/usb/gadget/mv_udc_core.c +++ b/drivers/usb/gadget/mv_udc_core.c @@ -89,7 +89,7 @@ static void ep0_reset(struct mv_udc *udc) /* configure ep0 endpoint capabilities in dQH */ ep->dqh->max_packet_length = (EP0_MAX_PKT_SIZE << EP_QUEUE_HEAD_MAX_PKT_LEN_POS) - | EP_QUEUE_HEAD_IOS; + | EP_QUEUE_HEAD_IOS | EP_QUEUE_HEAD_ZLT_SEL; ep->dqh->next_dtd_ptr = EP_QUEUE_HEAD_NEXT_TERMINATE; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html