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.grzesc...@pengutronix.de>
---
Changes since v1:
- rebased on the new alignment patch
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 13fffcc..5ffffad 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -473,7 +473,7 @@ 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); /*
clear status */
mEp->qh.ptr->cap |= QH_ZLT;
wmb(); /* synchronize before ep prime */
--
1.8.2.rc2
--
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