From: Felipe Balbi <balbi@ti.com>
Date: Mon, 22 Jul 2013 09:31:31 +0000 (+0300)
Subject: usb: dwc3: ep0: only change to ADDRESS if set_config() succeeds
X-Git-Tag: v3.12-rc1~186^2~77^2~65
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a42d83536a5ea7ea7b4ad279c34c4c4ce509b5a;p=pandora-kernel.git

usb: dwc3: ep0: only change to ADDRESS if set_config() succeeds

In case we're switching back to USB_STATE_ADDRESS
from USB_STATE_CONFIGURED (if host sends
a set configuration command for configuration
zero), we should only switch if the request
is successfully processed by the gadget driver.

Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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