From: Roger Quadros <rogerq@ti.com>
Date: Mon, 21 Sep 2015 08:08:36 +0000 (+0300)
Subject: usb: dwc3: gadget: Fix BUG in RT config
X-Git-Tag: omap-for-v4.3/fixes-rc5~79^2~11^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a66c275b3d5d8467d770dabd30927f5d5e857294;p=pandora-kernel.git

usb: dwc3: gadget: Fix BUG in RT config

Using spin_lock() in hard irq handler is pointless
and causes a BUG() in RT (real-time) configuration
so get rid of it.

The reason it's pointless is because the driver is
basically accessing register which is, anyways,
atomic.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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