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Commit 2333d7b9 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "usb: dwc3: Prevent runtime_suspend after wakeup event"

parents 4a568706 81dd67d6

drivers/usb/dwc3/dwc3-msm.c

+6 −0
Original line number Diff line number Diff line
@@ -2095,6 +2095,12 @@ static int dwc3_msm_suspend(struct dwc3_msm *mdwc) 
		return -EBUSY;

	}



	if (!mdwc->in_host_mode && (mdwc->vbus_active && !mdwc->suspend)) {

		dev_dbg(mdwc->dev,

			"Received wakeup event before the core suspend\n");

		return -EBUSY;

	}



	ret = dwc3_msm_prepare_suspend(mdwc);

	if (ret)

		return ret;

drivers/usb/dwc3/gadget.c

+4 −1
Original line number Diff line number Diff line
@@ -3189,8 +3189,11 @@ static void dwc3_gadget_wakeup_interrupt(struct dwc3 *dwc, bool remote_wakeup) 


		/*

		 * In case of remote wake up dwc3_gadget_wakeup_work()

		 * is doing pm_runtime_get_sync().

		 * is doing pm_runtime_get_sync(). But mark last wakeup

		 * event here to prevent runtime_suspend happening before this

		 * wakeup event is processed.

		 */

		pm_runtime_mark_last_busy(dwc->dev);

		dev_dbg(dwc->dev, "Notify OTG from %s\n", __func__);

		dwc->b_suspend = false;

		dwc3_notify_event(dwc,