Commit c50a3bff authored Jan 12, 2012 by Tomoya MORINAGA Committed by Felipe Balbi Jan 24, 2012

usb: gadget: pch_udc: Fix disconnect issue



ISSUE:
When the driver notifies a gadget of a disconnect event, a system
rarely freezes.

CAUSE:
When the driver calls dev->driver->disconnect(), it is not calling
spin_unlock().

Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

parent 294f78ec

drivers/usb/gadget/pch_udc.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -2335,8 +2335,11 @@ static void pch_udc_svc_ur_interrupt(struct pch_udc_dev *dev)
		/* Complete request queue */
		empty_req_queue(ep);
		}
		if (dev->driver && dev->driver->disconnect)
		if (dev->driver && dev->driver->disconnect) {
		spin_unlock(&dev->lock);
		dev->driver->disconnect(&dev->gadget);
		spin_lock(&dev->lock);
		}
		}

		/**