From b3bfce2bc205ff4fdb4ec0b048513557cef459cf Mon Sep 17 00:00:00 2001
From: Gerhard Sittig <gsi@denx.de>
Date: Fri, 23 Aug 2013 18:01:44 +0200
Subject: [PATCH] i2c: mpc: cleanup clock API use

make the MPC I2C driver get, prepare and enable the gated clock item for
register access during probe; disable and unprepare the clock upon
remove(), put is done by the devm approach; hold a reference to the
clock over the period of use

clock lookup is non-fatal in this implementation as not all platforms
may provide clock specs in their device tree, but failure to enable a
clock when specified is considered fatal

Signed-off-by: Gerhard Sittig <gsi@denx.de>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
---
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