imx-drm: ipu-common: Check the return value from clk_prepare_enable()
authorFabio Estevam <fabio.estevam@freescale.com>
Sat, 20 Jul 2013 21:22:10 +0000 (18:22 -0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 25 Jul 2013 20:35:49 +0000 (13:35 -0700)
clk_prepare_enable() may fail, so let's check its return value and propagate it
in the case of error.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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