From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kevin Hilman <khilman@kernel.org>
Subject: Re: [RFC PATCH v2 0/1] ARM: cpuidle: heterogeneous systems extension
Date: Tue, 21 Apr 2015 11:24:54 -0700
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To: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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On Thu, Apr 16, 2015 at 9:10 AM, Lorenzo Pieralisi
<lorenzo.pieralisi@arm.com> wrote:

[...]

> This patch sets the maximum number of static CPUidle drivers allowed to
> two, since it is hard to foresee systems with more than two sets of CPUs
> having different idle states

It's not hard to forsee anymore:

   http://www.cnx-software.com/2015/04/21/mediatek-helio-x20-deca-core-processor/
   https://liliputing.com/2015/04/closer-look-at-mediateks-upcoming-10-core-helio-x20-processor.html

Kevin