When unbind the gadget driver, need call disconnect first.
Signed-off-by: Bo Shen voice.shen@atmel.com
--- drivers/usb/gadget/atmel_usba_udc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c index f146c48..c99208d 100644 --- a/drivers/usb/gadget/atmel_usba_udc.c +++ b/drivers/usb/gadget/atmel_usba_udc.c @@ -1240,11 +1240,12 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver) { struct usba_udc *udc = &controller;
- if (!driver || !driver->bind || !driver->setup) { + if (!driver || !driver->unbind || !driver->disconnect) { error("bad paramter\n"); return -EINVAL; }
+ driver->disconnect(&udc->gadget); driver->unbind(&udc->gadget); udc->driver = NULL;