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usb: dwc3: gadget: don't prevent gadget from being probed if we fail

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commit cdcedd6981 upstream.

In case we fail our ->udc_start() callback, we
should be ready to accept another modprobe following
the failed one.

We had forgotten to clear dwc->gadget_driver back
to NULL and, because of that, we were preventing
gadget driver modprobe from being retried.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Felipe Balbi 2013-07-15 12:36:35 +03:00 committed by Greg Kroah-Hartman
parent 41557736ac
commit 003dda8a8d
1 changed files with 1 additions and 0 deletions
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drivers/usb/dwc3/gadget.c
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@ -1584,6 +1584,7 @@ static int dwc3_gadget_start(struct usb_gadget *g,
__dwc3_gadget_ep_disable(dwc->eps[0]);
err0:
dwc->gadget_driver = NULL;
spin_unlock_irqrestore(&dwc->lock, flags);
return ret;