From: Wang Dongsheng <dongsheng.wang@freescale.com>
Date: Tue, 17 Dec 2013 08:17:00 +0000 (+0800)
Subject: powerpc/85xx: add hardware automatically enter altivec idle state
X-Git-Tag: v3.14-rc1~80^2~5^2~28
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=202e059ce34d5c5e3ff8a542866c280d575ccb17;p=pandora-kernel.git

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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