usb: pch_udc: Fix the worning log issue at gadget driver remove

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index cf0e6da..b120dbb 100644 (file)
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -2718,7 +2718,8 @@ 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;