From 1be3d0537516fa42825406b4bc1291b77ed62614 Mon Sep 17 00:00:00 2001
From: Colin Cross <ccross@android.com>
Date: Mon, 21 Feb 2011 16:44:07 -0800
Subject: [PATCH] ARM: tegra: clock: prevent accidental disables of cpu clock

Peripheral clocks that have no clock enable bit in the
enable registers have their clk_num set to 0.  Bit 0
in the clock enable registers is the CPU clock.
Prevent disables on these peripheral clocks from
accidentally disabling the CPU clock.

Signed-off-by: Colin Cross <ccross@android.com>
Acked-by: Olof Johansson <olof@lixom.net>
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