From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 21 Apr 2011 05:10:08 +0000 (+0900)
Subject: usb: renesas_usbhs: modify spinlock method
X-Git-Tag: v3.0-rc1~337^2~121
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb96632c185f13f746d009ec1125539e0b5cd899;p=pandora-kernel.git

usb: renesas_usbhs: modify spinlock method

Current renesas_usbhs driver was using spin_trylock to avoid
dead lock / nest lock.
But acording to CONFIG_DEBUG_SPINLOCK, it is BUG under UP environment.
This patch add usbhsg_trylock to avoid this issue.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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