The datasheet of the synopsys core describes only to overwrite the active and halted bits in the qhead before priming any endpoint.
Cc: stable <[email protected]> Signed-off-by: Michael Grzeschik <[email protected]> Reviewed-by: Felipe Balbi <[email protected]> --- 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 77fb66f..4bbbe62 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -488,7 +488,7 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) /* QH configuration */ mEp->qh.ptr->td.next = mReq->dma; /* TERMINATE = 0 */ - mEp->qh.ptr->td.token &= ~TD_STATUS; /* clear status */ + mEp->qh.ptr->td.token &= ~(TD_STATUS_HALTED|TD_STATUS_ACTIVE); mEp->qh.ptr->cap |= QH_ZLT; 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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
