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usb: dwc2: Add core state checking

Added core state checking in dwc2_hsotg_ep_queue() function
to make sure that application will submit requests only in L0 state.

Signed-off-by: Grigor Tovmasyan <tovmasya@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Grigor Tovmasyan 7 years ago
parent
commit
88b02f2cb1
1 changed files with 2 additions and 2 deletions
  1. 2 2
      drivers/usb/dwc2/gadget.c

+ 2 - 2
drivers/usb/dwc2/gadget.c

@@ -1297,8 +1297,8 @@ static int dwc2_hsotg_ep_queue(struct usb_ep *ep, struct usb_request *req,
 		req->zero, req->short_not_ok);
 		req->zero, req->short_not_ok);
 
 
 	/* Prevent new request submission when controller is suspended */
 	/* Prevent new request submission when controller is suspended */
-	if (hs->lx_state == DWC2_L2) {
-		dev_dbg(hs->dev, "%s: don't submit request while suspended\n",
+	if (hs->lx_state != DWC2_L0) {
+		dev_dbg(hs->dev, "%s: submit request only in active state\n",
 			__func__);
 			__func__);
 		return -EAGAIN;
 		return -EAGAIN;
 	}
 	}