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path: root/drivers/usb/chipidea/udc.c
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Diffstat (limited to 'drivers/usb/chipidea/udc.c')
-rw-r--r--drivers/usb/chipidea/udc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 3abd1ad5ced..94af0208dab 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -463,7 +463,6 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq)
mEp->qh.ptr->td.next = cpu_to_le32(mReq->dma); /* TERMINATE = 0 */
mEp->qh.ptr->td.token &=
cpu_to_le32(~(TD_STATUS_HALTED|TD_STATUS_ACTIVE));
- mEp->qh.ptr->cap |= cpu_to_le32(QH_ZLT);
wmb(); /* synchronize before ep prime */
@@ -1008,6 +1007,8 @@ static int ep_enable(struct usb_ep *ep,
if (mEp->type == USB_ENDPOINT_XFER_CONTROL)
cap |= QH_IOS;
+ if (mEp->num)
+ cap |= QH_ZLT;
cap |= (mEp->ep.maxpacket << __ffs(QH_MAX_PKT)) & QH_MAX_PKT;
mEp->qh.ptr->cap = cpu_to_le32(cap);