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>
---
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 majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
