From 4ae078d58ac7fadace7eb30bade8da649ecc4ded Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Mon, 16 Dec 2013 11:34:25 +0000
Subject: [PATCH] imx-drm: ipu-v3: fix potential CRTC device registration race

Clean up the IPUv3 CRTC device registration; we don't need a separate
function just to call platform_device_register_data(), and we don't
need the return value converted at all.

Update the IPU client id under a mutex, so that parallel probing
doesn't race.

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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