[PATCH linux-next] usb: pch_udc: Fix the worning log issue at gadget driver remove

[Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>]

When removing a serial gadget driver, the kernel warning message is outputted.
This patch fixed this issue.

The pch_udc driver did not have disconnection processing of gadget.

Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
---
 drivers/usb/gadget/pch_udc.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index dfe927b..025cf6c 100644
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -2716,7 +2716,8 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 
 	pch_udc_disable_interrupts(dev, UDC_DEVINT_MSK);
 
-	/* Assues that there are no pending requets with this driver */
+	/* Assures that there are no pending requests with this driver */
+	driver->disconnect(&dev->gadget);
 	driver->unbind(&dev->gadget);
 	dev->gadget.dev.driver = NULL;
 	dev->driver = NULL;
-- 
1.6.2.5