[PATCH v6 2/6] usb: chipidea: udc: only clear active and halted bits in qhead

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The datasheet of the synopsys core describes only to overwrite the
active and halted bits in the qhead before priming any endpoint.

Cc: stable <stable@xxxxxxxxxxxxxxx>
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 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

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