> Some gadget drivers, such as composite, assume this will never happen
> and crash as a result.
>
> The fix is to quiesce the UDC hardware (via usb_gadget_disconnect)
> before running the gadget driver through the disconnect/unbind sequence.
>
> Signed-off-by: Kevin Cernekee <cernekee@xxxxxxxxx>
> ---
> drivers/usb/gadget/udc-core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
> index e5e44f8..bae243c 100644
> --- a/drivers/usb/gadget/udc-core.c
> +++ b/drivers/usb/gadget/udc-core.c
> @@ -262,8 +262,8 @@ static void usb_gadget_remove_driver(struct usb_udc *udc)
> kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);
>
> if (udc_is_newstyle(udc)) {
> - udc->driver->disconnect(udc->gadget);
> usb_gadget_disconnect(udc->gadget);
> + udc->driver->disconnect(udc->gadget);
> udc->driver->unbind(udc->gadget);
> usb_gadget_udc_stop(udc->gadget, udc->driver);
> } else {
> --
> 1.7.11.1
>
Reviewed-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
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