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usb: udc: allow adding and removing the same gadget device

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allow usb_del_gadget_udc() and usb add_gadget_udc() to be called
repeatedly on the same gadget->dev structure.

We need to clear the gadget->dev structure so that kobject_init()
doesn't complain about already initialized object.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Roger Quadros 2017-04-03 15:20:29 +03:00 committed by Felipe Balbi
parent d6e5a549cc
commit fac323471d
1 changed files with 1 additions and 0 deletions
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drivers/usb/gadget/udc/core.c
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@ -1273,6 +1273,7 @@ void usb_del_gadget_udc(struct usb_gadget *gadget)
flush_work(&gadget->work);
device_unregister(&udc->dev);
device_unregister(&gadget->dev);
memset(&gadget->dev, 0x00, sizeof(gadget->dev));
}
EXPORT_SYMBOL_GPL(usb_del_gadget_udc);