From da1410be21bfedd16740aee6d772e669cf4e852f Mon Sep 17 00:00:00 2001 From: Baolin Wang Date: Mon, 20 Jun 2016 16:19:48 +0800 Subject: [PATCH] usb: dwc3: gadget: Add the suspend state checking when stopping gadget It will be crash to stop gadget when the dwc3 device had been into suspend state, thus we need to check if the dwc3 device had been into suspend state when UDC try to stop gadget. Signed-off-by: Baolin Wang Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/gadget.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index b1fec36f4764..b9bc646511ce 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1803,6 +1803,9 @@ err0: static void __dwc3_gadget_stop(struct dwc3 *dwc) { + if (pm_runtime_suspended(dwc->dev)) + return; + dwc3_gadget_disable_irq(dwc); __dwc3_gadget_ep_disable(dwc->eps[0]); __dwc3_gadget_ep_disable(dwc->eps[1]);