From 28eb4274e7ec3ddba6711e3d13e374046b3c2230 Mon Sep 17 00:00:00 2001
From: Huang Shijie <b32955@freescale.com>
Date: Tue, 4 Jun 2013 09:59:33 +0800
Subject: [PATCH] serial: imx: enable the clocks only when the uart is used

Current code opens the clocks when the uart driver is probed.
This will wastes some power if several uarts are enabled, but not really
used.

So close these clocks for uart, and enable the clocks only when
the uart is used.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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