The datasheet of the synopsys core describes only to overwrite the active and halted bits in the qhead before priming any endpoint. Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx> --- drivers/usb/chipidea/udc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index fd702e9..e15f5e5 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -472,7 +472,7 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) } /* QH configuration */ writel(mReq->dma, &mEp->qh.ptr->td.next); /* TERMINATE = 0 */ - writel(readl(&mEp->qh.ptr->td.token) & ~TD_STATUS, &mEp->qh.ptr->td.token); + writel(readl(&mEp->qh.ptr->td.token) & ~(TD_STATUS_HALTED|TD_STATUS_ACTIVE), &mEp->qh.ptr->td.token); writel(readl(&mEp->qh.ptr->cap) | QH_ZLT, &mEp->qh.ptr->cap); wmb(); /* synchronize before ep prime */ -- 1.8.2.rc2 -- 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
