usb: chipidea: udc: don't assign gadget.dev.release directly

udc-core provides a better way to handle release
methods, let's use it.

Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index e303fd4b1b9335b362bba65b989c22e1f6890391..9bddf3f633f1bff260070972402450677ada54f5 100644 (file)
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1688,16 +1688,6 @@ static irqreturn_t udc_irq(struct ci13xxx *ci)
        return retval;
 }
 
-/**
- * udc_release: driver release function
- * @dev: device
- *
- * Currently does nothing
- */
-static void udc_release(struct device *dev)
-{
-}
-
 /**
  * udc_start: initialize gadget role
  * @ci: chipidea controller
@@ -1717,8 +1707,6 @@ static int udc_start(struct ci13xxx *ci)
 
        INIT_LIST_HEAD(&ci->gadget.ep_list);
 
-       ci->gadget.dev.release  = udc_release;
-
        /* alloc resources */
        ci->qh_pool = dma_pool_create("ci13xxx_qh", dev,
                                       sizeof(struct ci13xxx_qh),