From: Peter Chen <peter.chen@freescale.com>
Date: Mon, 22 Sep 2014 00:14:16 +0000 (+0800)
Subject: usb: chipidea: otg initialization is only needed when the gadget is supported
X-Git-Tag: fixes-for-v3.18-merge-window~16^2~97
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=27c62c2da177178771517744acaced08767214e2;p=pandora-kernel.git

usb: chipidea: otg initialization is only needed when the gadget is supported

We have only needed to enable otg initialization when both of
below conditions are satisfied:

- The controller is otg capable
- The gadget function is enabled

If the controller is otg capable, but is host-only configuration, we do
not need to access register otgsc and do any otg operations (eg, create
otg workqueue).

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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