Merge "usb: dwc3: gadget: Release gadget lock when handling suspend/resume" (8a0eb1b7) · Commits · e / devices / android_kernel_sony_msm8994

drivers/usb/dwc3/gadget.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -2739,7 +2739,13 @@ static void dwc3_gadget_wakeup_interrupt(struct dwc3 *dwc)
		*/

		dbg_event(0xFF, "WAKEUP", 0);
		/*
		* gadget_driver resume function might require some dwc3-gadget
		* operations, such as ep_enable. Hence, dwc->lock must be released.
		*/
		spin_unlock(&dwc->lock);
		dwc->gadget_driver->resume(&dwc->gadget);
		spin_lock(&dwc->lock);
		}

		static void dwc3_gadget_linksts_change_interrupt(struct dwc3 *dwc,
		@@ -2833,7 +2839,14 @@ static void dwc3_gadget_suspend_interrupt(struct dwc3 *dwc,

		if (next == DWC3_LINK_STATE_U3) {
		dbg_event(0xFF, "SUSPEND", 0);
		/*
		* gadget_driver suspend function might require some dwc3-gadget
		* operations, such as ep_disable. Hence, dwc->lock must be
		* released.
		*/
		spin_unlock(&dwc->lock);
		dwc->gadget_driver->suspend(&dwc->gadget);
		spin_lock(&dwc->lock);
		}

		dwc->link_state = next;