Commit b2ea5463 authored Mar 31, 2015 by Jack Pham Committed by Matt Wagantall May 30, 2015

usb: dwc3: Ignore multiple U3/L2 suspend events



The controller may sometimes generate back-to-back suspend
interrupt events. Ignore the repeated events to avoid calling
the gadget driver's suspend callback multiple times.

Change-Id: I284b461adeab5911388efd8bb7ecbf39a85c86ca
Signed-off-by: Jack Pham <jackp@codeaurora.org>

parent 58faf738

drivers/usb/dwc3/gadget.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -3097,7 +3097,7 @@ static void dwc3_gadget_suspend_interrupt(struct dwc3 *dwc,

		dev_dbg(dwc->dev, "%s Entry\n", __func__);

		if (next == DWC3_LINK_STATE_U3) {
		if (dwc->link_state != next && next == DWC3_LINK_STATE_U3) {
		/*
		* When first connecting the cable, even before the initial
		* DWC3_DEVICE_EVENT_RESET or DWC3_DEVICE_EVENT_CONNECT_DONE