usb: gadget: pch-udc: fix lock

gadget methods should be called without
spinlocks held.

Reported-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/udc/pch_udc.c

@@ -2747,18 +2747,18 @@ static void pch_udc_dev_isr(struct pch_udc_dev *dev, u32 dev_intr)
 	if (dev_intr & UDC_DEVINT_US) {
 		if (dev->driver
 			&& dev->driver->suspend) {
-			spin_lock(&dev->lock);
-			dev->driver->suspend(&dev->gadget);
 			spin_unlock(&dev->lock);
+			dev->driver->suspend(&dev->gadget);
+			spin_lock(&dev->lock);
 		}
 
 		vbus = pch_vbus_gpio_get_value(dev);
 		if ((dev->vbus_session == 0)
 			&& (vbus != 1)) {
 			if (dev->driver && dev->driver->disconnect) {
-				spin_lock(&dev->lock);
-				dev->driver->disconnect(&dev->gadget);
 				spin_unlock(&dev->lock);
+				dev->driver->disconnect(&dev->gadget);
+				spin_lock(&dev->lock);
 			}
 			pch_udc_reconnect(dev);
 		} else if ((dev->vbus_session == 0)