From: Grazvydas Ignotas <notasas@gmail.com>
Date: Tue, 26 Feb 2013 01:05:24 +0000 (+0200)
Subject: usb: musb: gadget: clear gadget_driver when gadget is stopped
X-Git-Tag: sz_154~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=629bf046a94807337083d342b1197b37c7abcd7a;p=pandora-kernel.git

usb: musb: gadget: clear gadget_driver when gadget is stopped

Some musb glue drivers use gadget_driver pointer to know if any gadget
drivers are loaded at some moment and base further decisions on it,
like to do runtime suspend/resume or not. Right now the pointer is
left alone on stop and OMAP musb glue later does wrong runtime_pm
decisions because of it.

Clear the gadget_driver pointer on remove, it's invalid after stop
anyway.
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