From 202e059ce34d5c5e3ff8a542866c280d575ccb17 Mon Sep 17 00:00:00 2001
From: Wang Dongsheng <dongsheng.wang@freescale.com>
Date: Tue, 17 Dec 2013 16:17:00 +0800
Subject: [PATCH] powerpc/85xx: add hardware automatically enter altivec idle
 state

Each core's AltiVec unit may be placed into a power savings mode
by turning off power to the unit. Core hardware will automatically
power down the AltiVec unit after no AltiVec instructions have
executed in N cycles. The AltiVec power-control is triggered by hardware.

Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
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