Commit ad14d4e0 authored Dec 11, 2014 by Jiebing Li Committed by Felipe Balbi Mar 29, 2016

usb: dwc3: gadget: release spin lock during gadget resume



It's a requirement that we release controller's lock
while calling gadget API function pointers. This
patch just fixes that long standing bug.

Signed-off-by: Jiebing Li <jiebing.li@intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

parent f59dcab1

drivers/usb/dwc3/gadget.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -2487,7 +2487,11 @@ static void dwc3_gadget_wakeup_interrupt(struct dwc3 *dwc)
		* implemented.
		*/

		if (dwc->gadget_driver && dwc->gadget_driver->resume) {
		spin_unlock(&dwc->lock);
		dwc->gadget_driver->resume(&dwc->gadget);
		spin_lock(&dwc->lock);
		}
		}

		static void dwc3_gadget_linksts_change_interrupt(struct dwc3 *dwc,