summaryrefslogtreecommitdiff
path: root/drivers/usb
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/dwc3/gadget.c43
1 files changed, 25 insertions, 18 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 550ee952c0d1..8796a5ee9bb9 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -166,18 +166,8 @@ static void dwc3_ep_inc_deq(struct dwc3_ep *dep)
dwc3_ep_inc_trb(&dep->trb_dequeue);
}
-/**
- * dwc3_gadget_giveback - call struct usb_request's ->complete callback
- * @dep: The endpoint to whom the request belongs to
- * @req: The request we're giving back
- * @status: completion code for the request
- *
- * Must be called with controller's lock held and interrupts disabled. This
- * function will unmap @req and call its ->complete() callback to notify upper
- * layers that it has completed.
- */
-void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
- int status)
+void dwc3_gadget_del_and_unmap_request(struct dwc3_ep *dep,
+ struct dwc3_request *req, int status)
{
struct dwc3 *dwc = dep->dwc;
@@ -190,18 +180,35 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
if (req->trb)
usb_gadget_unmap_request_by_dev(dwc->sysdev,
- &req->request, req->direction);
+ &req->request, req->direction);
req->trb = NULL;
-
trace_dwc3_gadget_giveback(req);
+ if (dep->number > 1)
+ pm_runtime_put(dwc->dev);
+}
+
+/**
+ * dwc3_gadget_giveback - call struct usb_request's ->complete callback
+ * @dep: The endpoint to whom the request belongs to
+ * @req: The request we're giving back
+ * @status: completion code for the request
+ *
+ * Must be called with controller's lock held and interrupts disabled. This
+ * function will unmap @req and call its ->complete() callback to notify upper
+ * layers that it has completed.
+ */
+void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
+ int status)
+{
+ struct dwc3 *dwc = dep->dwc;
+
+ dwc3_gadget_del_and_unmap_request(dep, req, status);
+
spin_unlock(&dwc->lock);
usb_gadget_giveback_request(&dep->endpoint, &req->request);
spin_lock(&dwc->lock);
-
- if (dep->number > 1)
- pm_runtime_put(dwc->dev);
}
/**
@@ -1227,7 +1234,7 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep)
if (req->trb)
memset(req->trb, 0, sizeof(struct dwc3_trb));
dep->queued_requests--;
- dwc3_gadget_giveback(dep, req, ret);
+ dwc3_gadget_del_and_unmap_request(dep, req, ret);
return ret;
}