From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Mon, 16 Dec 2013 12:38:30 +0000 (+0000)
Subject: imx-drm: imx-tve: don't call sleeping functions beneath enable_lock spinlock
X-Git-Tag: v3.13-rc5~26^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bd5121bbb6b9a89d9d13878fa5bb1e833168ae18;p=pandora-kernel.git

imx-drm: imx-tve: don't call sleeping functions beneath enable_lock spinlock

Enable lock claims that it is serializing tve_enable/disable calls.
However, DRM already serialises mode sets with a mutex, which prevents
encoder/connector functions being called concurrently.  Secondly,
holding a spinlock while calling clk_prepare_enable() is wrong; it
will cause a might_sleep() warning should that debugging be enabled.
So, let's just get rid of the enable_lock.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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