Signed-off-by: Michael Grzeschik <[email protected]>
---
drivers/usb/chipidea/udc.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 0c09542..13e3658 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -520,10 +520,12 @@ static int _hardware_dequeue(struct ci13xxx_ep *mEp,
struct ci13xxx_req *mReq)
else if ((TD_STATUS_TR_ERR & mReq->req.status) != 0)
mReq->req.status = -1;
+ if (mReq->req.status)
+ return mReq->req.status;
+
mReq->req.actual = tmptoken & TD_TOTAL_BYTES;
mReq->req.actual >>= __ffs(TD_TOTAL_BYTES);
mReq->req.actual = mReq->req.length - mReq->req.actual;
- mReq->req.actual = mReq->req.status ? 0 : mReq->req.actual;
return mReq->req.actual;
}
@@ -787,8 +789,10 @@ __acquires(mEp->lock)
list_for_each_entry_safe(mReq, mReqTemp, &mEp->qh.queue,
queue) {
retval = _hardware_dequeue(mEp, mReq);
- if (retval < 0)
+ if (retval == -EBUSY) {
+ retval = 0;
break;
+ }
list_del_init(&mReq->queue);
trace_ci_ep_complete_req(mEp, readl(&mReq->ptr->token), retval);
if (mReq->req.complete != NULL) {
@@ -801,8 +805,6 @@ __acquires(mEp->lock)
}
}
- if (retval == -EBUSY)
- retval = 0;
if (retval < 0)
trace_ci_ep_complete_req(mEp, mReq->ptr->token, retval);
--
1.8.2.rc2
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