usb: dwc3: ep0: split the special cases on ep0_queue
We can return early from each if () branch
and split the special cases for clarity. While
at that also add a comment to the delayed_status
case.
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 962fb9b..28bce9b 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -155,13 +155,23 @@
dep->flags &= ~(DWC3_EP_PENDING_REQUEST |
DWC3_EP0_DIR_IN);
- } else if (dwc->delayed_status) {
+
+ return 0;
+ }
+
+ /*
+ * In case gadget driver asked us to delay the STATUS phase,
+ * handle it here.
+ */
+ if (dwc->delayed_status) {
dwc->delayed_status = false;
if (dwc->ep0state == EP0_STATUS_PHASE)
__dwc3_ep0_do_control_status(dwc, dwc->eps[1]);
else
dev_dbg(dwc->dev, "too early for delayed status\n");
+
+ return 0;
}
return 0;