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Commit 88b02f2c authored by Grigor Tovmasyan's avatar Grigor Tovmasyan Committed by Felipe Balbi
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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: default avatarGrigor Tovmasyan <tovmasya@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent c655557c

drivers/usb/dwc2/gadget.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -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) {

	if (hs->lx_state != DWC2_L0) {

		dev_dbg(hs->dev, "%s: don't submit request while suspended\n",

		dev_dbg(hs->dev, "%s: submit request only in active state\n",

			__func__);

			__func__);

		return -EAGAIN;

		return -EAGAIN;

	}

	}